606 results on '"Sfetcu, Nicolae"'
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52. Rețelele de comunicații 5G
- Author
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Sfetcu, Nicolae
- Subjects
LA. Telecommunications. - Abstract
Due to its expected impact on the economy and society, the fifth generation of mobile telecommunications (5G) is one of the most important innovations of our time. Expectations are rising with 5G broadband capabilities accessible to everyone, everywhere, at better quality and reliability. From a conceptual perspective, 5G technology promises to deliver low-latency, high-speed, and more reliable connections to new generations of autonomous systems and next-generation devices, covering both mass and mission-critical machine communications.
- Published
- 2022
53. Variabile în dezvoltarea WordPress
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Sfetcu, Nicolae
- Subjects
LC. Internet, including WWW. - Abstract
WordPress-specific global variables are used in WordPress coding for various reasons. Almost all of the data that WordPress generates can be found in a global variable.
- Published
- 2022
54. Megadatele (Big Data) pe Internet
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Sfetcu, Nicolae
- Subjects
LC. Internet, including WWW. ,LM. Automatic text retrieval. - Abstract
The term Big Data refers to the extraction, manipulation, and analysis of data sets that are too large to be processed routinely. Because of this, special software and, in many cases, also specially dedicated computers and hardware equipment are used. In general, these data are analyzed statistically. Based on the analysis of the respective data, predictions are usually made of groups of people or other entities, based on their behavior in various situations and using advanced analytical techniques. In this way, trends, needs and behavioral developments of these entities can be identified.
- Published
- 2022
55. Dincolo de Ucraina: noua geopolitică a economiei verzi
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Sfetcu, Nicolae
- Subjects
BC. Information in society. - Abstract
The war in Ukraine fundamentally reshaped great power politics and the global economy. Here's what this means for the green transition. The Russian invasion of Ukraine is already a humanitarian disaster, bringing suffering and chaos to millions of people. It also fundamentally reshaped great power politics and the global economy almost overnight. Set against a backdrop of a rising China, reborn variants of COVID, jittery energy markets and an increasingly ineffective US superpower, the Ukraine crisis has made one thing clear: we are in a new geopolitical reality, in that the old platitudes and policies no longer apply. In this context, the need for a redoubled commitment to the values of an inclusive, sustainable and secure green economic transition is stronger than ever. But how can we navigate these chaotic and uncertain times and best focus our efforts towards a greener and fairer future? Here we identify five emerging macro trends that are likely to have a huge impact on the prospects for green economic reform in the coming years.
- Published
- 2022
56. Armata Română în al Doilea Război Mondial
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Sfetcu, Nicolae
- Subjects
BZ. None of these, but in this section. - Abstract
In June 1941, Romania entered the Second World War on the side of the Axis and against the USSR, hoping to regain the lost territories. On June 22, 1941, the German and Romanian armies began the campaign against the Soviet Union through "Operation Munich", the Romanian army being motivated by the desire to take back Bessarabia and Bucovina from the USSR. On August 1, 1943, the Allies bombed the oil fields and refineries at Ploiesti (Operation Tidal Wave). After the Battle of Stalingrad from August 23, 1942 to February 2, 1943, the Soviet army began to advance and, in March 1944, reached the territory of Romania. Romanian troops participated in the war alongside the Axis in the German Army Group under the name "Southern Ukraine". Marshal Antonescu, convinced of the impossibility of stopping the Soviet assault, on the night of August 21 asked Ambassador Manfred von Killinger to commit all German reserves to support the front, and the next day, on August 22, he informed the Romanian government of his intention to continue fighting alongside Nazi Germany.
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- 2022
57. Contextul intrării României în al Doilea Război Mondial
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Sfetcu, Nicolae
- Subjects
BC. Information in society. - Abstract
On August 23, 1939, Germany and the Soviet Union signed the Ribbentrop-Molotov Pact in Moscow, according to which the USSR claimed Northern Bukovina and Bessarabia. In September 1939 Poland is invaded by Germany. In this context, the Crown Council decided, on September 6, 1939, to proclaim Romania's neutrality, securing the borders and avoiding military confrontation by activating the "Balkan Bloc of Neutrals", the Balkan Agreement of 1934 and by attempting to conclude a non-aggression pact with the USSR . On March 29, 1940, V. M. Molotov spoke about "the existence of an unresolved litigious issue, that of Bessarabia, whose annexation by Romania was never recognized by the Soviet Union, although it never raised the question of the return of Bessarabia by military means". Through the Hitler-Stalin treaty, the Treaty of Craiova and the Second Vienna Arbitration (Vienna Dictatorship) Romania loses over a third of its territory and over a quarter of its population), including the Herța Land which was neither part of Bucovina nor from Bessarabia and had not been originally claimed by the USSR. Part of Bessarabia is attached to Ukraine, and the other part forms the Moldavian Soviet Socialist Republic,
- Published
- 2022
58. Platon: Biografia
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Sfetcu, Nicolae
- Subjects
AZ. None of these, but in this section. - Abstract
The main biographical source about Plato, according to the testimony of the Neoplatonist Simplicius, would have been written by the disciple Xenocrates, but unfortunately it has not reached us. The earliest surviving biography of Plato, De Platone et dogmate eius, is by a second-century Latin author, Apuleius. All other biographies of Plato were written more than five hundred years after his death. The Greek historian Diogenes (2nd and 3rd centuries) is the author of a series of biographies of Greek philosophers (Lives of the Philosophers) in which he refers to the life of Plato. He would also have written a funeral eulogy for Plato. Other early biographers of Plato are Olympiodorus the Younger in the 6th century and an anonymous source. An important source on Plato's life is his very philosophical dialogues, thirteen letters (possibly spurious though, except perhaps Letters VII and VIII), Aristotle's writings, a fragment of the History of the Philosophers (Syntaxis ton philosophon) by the Epicurean Philodemus of Gadara in 1st century BCE, the anonymous Prolegomena writings on Platonic philosophy traditionally attributed to Olympiodorus, the Suda, 10th century, and Plutarch's Life of Dio, 1st-2nd century.
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- 2022
59. Principii ale analizei intelligence în cadrul serviciilor secrete, afaceri și (geo)politică
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Sfetcu, Nicolae
- Subjects
BH. Information needs and information requirements analysis. - Abstract
Intelligence, in addition to scientific knowledge, involves the inclusion of human, socio-economic and political factors in the equation, and obtaining, through analysis, information and predictions by combining all the factors involved. Intelligence analysis consists of applying individual and collective cognitive methods to weigh data and test hypotheses in a given socio-cultural context.
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- 2022
60. Ce este intelligence-ul? Cum îl studiem?
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Sfetcu, Nicolae
- Subjects
IG. Information presentation: hypertext, hypermedia. - Abstract
The essay traces the various approaches that researchers have tried in studying the role of intelligence in national and international politics. It considers the many methodological and epistemological strategies that have characterized the study of "intelligence" over the past 50 years and argues that, from its inception, "intelligence" studies have been characterized by interdisciplinarity and openness against different conceptual approaches. Historians, political scientists, sociologists and professionals have all contributed to the burgeoning field of research on intelligence issues. In conclusion, it can be said about intelligence that interdisciplinary research can be one of the biggest advantages of this new subfield and it can be argued the need for an expansion and deepening of the agenda of intelligence studies.
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- 2022
61. Ontologii de intreprindere în tehnologia blockchain
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Sfetcu, Nicolae
- Subjects
LB. Computer networking. - Abstract
The enterprise ontology makes a clear distinction between the datalogic, infologic, and core layer of blockchain transactions and smart contracts. The OntoClean methodology analyzes ontologies based on formal, domain-independent properties of classes (metaproperties), being the first attempt to formalize the notions of ontology analysis for computer systems. Notions are drawn from philosophical ontology. In the Semantic Web, a property is a binary relationship. The distinction between property and class is subtle. Thus, a metaproperty is a property of a property or class.
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- 2022
62. Teste gravitaționale
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Sfetcu, Nicolae
- Subjects
GZ. None of these, but in this section. - Abstract
Most experiments have confirmed general relativity with the help of newly developed technologies. A technological basis for gravitational wave astronomy has been created. Built cryogenic barogenic antennas and performing laser interferometric antennas, associated with the theoretical analysis of the experiments with the test masses, resulting that the sensitivity of the experiments depends on the thermal insulation, if the device continuously registers the coordinates the sensitivity of the antenna is limited, and the sensitivity can be increased if they use quantum procedures. The antennas can help in observing the gravitational background radiation and testing general relativity in the ultra-nonlinear case.
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- 2022
63. Distincția dintre falsificare și respingere în problema demarcației la Karl Popper
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Sfetcu, Nicolae and Sfetcu, Nicolae
- Subjects
BA. Use and impact of information. - Abstract
Despite criticisms of Karl Popper's theory of falsifiability for the demarcation between science and non-science, mainly pseudoscience, this criterion is still very useful, and perfectly valid after its refinement by Popper and his followers. Moreover, even in its initial version, considered by Lakatos as "dogmatic", Popper did not state that this methodology is an absolute criterion of demarcation: a single counter-example is not enough to falsify a theory; moreover, a theory can legitimately be saved from falsification by introducing an auxiliary hypothesis. Compared to Kuhn's theory of revolutions, which he himself later renounced by turning it into a theory of "micro-revolutions", I believe that Popper's demarcation methodology, together with the further development he proposed, including the corroboration and verisimilitude, while imperfect, is not only valid today, but is still the best demarcation methodology. For my argument, I have used Popper's main works dealing with this issue, and his main critics and supporters. After a brief introduction to Karl Popper, and an introduction to the problem of demarcation and the methodology of falsifiability, I review the main criticisms and arguments of his supporters, emphasizing that Popper never equated falsifiability with refutation. Finally, I present my own conclusions on this issue.
- Published
- 2018
64. The singularities as ontological limits of the general relativity
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Sfetcu, Nicolae and Sfetcu, Nicolae
- Subjects
GZ. None of these, but in this section. - Abstract
The singularities from the general relativity resulting by solving Einstein's equations were and still are the subject of many scientific debates: Are there singularities in spacetime, or not? Big Bang was an initial singularity? If singularities exist, what is their ontology? Is the general theory of relativity a theory that has shown its limits in this case? In this essay I argue that there are singularities, and the general theory of relativity, as any other scientific theory at present, is not valid for singularities. But that does not mean, as some scientists think, that it must be regarded as being obsolete. After a brief presentation of the specific aspects of Newtonian classical theory and the special theory of relativity, and a brief presentation of the general theory of relativity, the chapter Ontology of General Relativity presents the ontological aspects of general relativity. The next chapter, Singularities, is dedicated to the presentation of the singularities resulting in general relativity, the specific aspects of the black holes and the event horizon, including the Big Bang debate as original singularity, and arguments for the existence of the singularities. In Singularity Ontology, I am talking about the possibilities of ontological framing of singularities in general and black holes in particular, about the hole argument highlighted by Einstein, and the arguments presented by scientists that there are no singularities and therefore that the general theory of relativity is in deadlock. In Conclusions I outline and summarize briefly the arguments that support my above views.
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- 2018
65. Isaac Newton despre acțiunea la distanță în gravitație - Cu sau fără Dumnezeu?
- Author
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Sfetcu, Nicolae and Sfetcu, Nicolae
- Subjects
GZ. None of these, but in this section. - Abstract
The interpretation of Isaac Newton's texts has raised many controversies to this day. One of the most heated debates is related to the action between two bodies at a distance from each other (gravitational attraction), and to what extent Newton involved God in this case. Basically, most works discuss four types of gravitational attractions in the case of bodies at a distance: direct action at a distance as an intrinsic property of bodies in the Epicurean sense; direct action at a distance divinely mediated by God; action at a distance mediated through a material ether; or action at a distance mediated through an immaterial ether. The purpose of this paper is to argue his own opinion according to which Newton categorically refused the types of direct action as an intrinsic property of bodies, and remote action mediated by a material ether. As for the other two types of action, direct by divine intervention and mediated by an immaterial environment, Newton stated several times that he did not know the exact cause of gravity, but in both cases he implicated God directly in the first case and as being the primary cause (medium/ether being the secondary cause) in the immaterially mediated action. But as an acknowledgment of direct action at a distance might have given some credit to those who thought that gravity might be essential to matter, and consequently to atheism, Newton never openly admitted to accepting the possibility of such an idea. Towards the end of his life, Newton leaned more towards action at a distance mediated by an immaterial ether.
- Published
- 2018
66. Geopolitica energiilor regenerabile în contextul schimbărilor climatice
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Sfetcu, Nicolae, primary
- Published
- 2022
- Full Text
- View/download PDF
67. Marketing de conţinut
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Sfetcu, Nicolae
- Subjects
FB. Marketing. - Abstract
The current avalanche of content is a real problem for marketing. People are tired of the plethora of content they are exposed to and have started curating it. At the same time, marketers have grown tired of investing time and energy into content creation when it has become unprofitable.
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- 2022
68. Ghid Rotary International - Cluburi Rotary
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Sfetcu, Nicolae and Sfetcu, Nicolae
- Subjects
GD. Organizations. - Abstract
A guide for and about Rotarians, Rotary International, Rotary clubs, and programs funded by Rotary International. The main goal for Rotary is to serve – in the community, at work, everywhere in the world. The 1.2 million Rotarians in more than 34,000 clubs in almost every country in the world are all dedicated to the ideal of service above self. Rotary clubs are accessible to people of all cultures and ethnicities, and are not affiliated with any political or religious organization. The Rotarian family extends beyond Rotarians as individuals and Rotary clubs, to include other individuals who aim to serve by contributing to the organization's work. Groups such as Rotaract, Interact, and Rotary Community Corps serve alongside their sponsoring clubs, using their diverse skills to improve the quality of life in their communities We are 1.2 million neighbors, friends, and community leaders working together to create positive, sustainable change in our communities and around the world. Our different occupations, cultures and countries give us a unique perspective. Our shared passion to serve helps us accomplish remarkable achievements.
- Published
- 2016
69. Guide marketing Internet pour les débutants
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Sfetcu, Nicolae and Sfetcu, Nicolae
- Subjects
BE. Information economics. ,LC. Internet, including WWW. - Abstract
One of the oldest Internet marketing guides, but also one of the most concise and practical guides. Although many years have passed since it was written, the basic principles described here remain valid. Internet marketing uses the Internet to sell goods and services. Internet marketing includes paid click-based advertising, banner advertising, email marketing, search engine marketing (including search engine optimization), marketing through blogs and articles, etc. Good reading!
- Published
- 2016
70. Corupţie - Globalizare - Neocolonialism
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Sfetcu, Nicolae and Sfetcu, Nicolae
- Subjects
BC. Information in society. - Abstract
An introduction to the interrelated concepts of corruption, globalization through international financial institutions, and neocolonialism understood as the exploitation of resources and raw materials of poor and developing countries by some large multinational corporations. Corruption is both a major cause and result of poverty throughout the world. It appears at all levels of society, from local and national authorities, to civil society, the judicial system, large and small businesses, military units, etc. Systemic corruption (or endemic corruption) is corruption, which is primarily due to the weak points of an organization or process. This can be contrasted with corrupt individual officials or agents within the system. Factors that encourage systemic corruption include conflicting incentives, discretionary powers, monopoly powers, lack of transparency, low wages, and a culture of impunity. among the specific acts of corruption are bribery, blackmail, and misappropriation of funds, in a system where corruption becomes the rule rather than the exception. Neocolonialism is the practice of using capitalism, globalization, and cultural forces to control a country, instead of direct military or political control. Such control can be economic, cultural, or linguistic. Corporate companies belonging to the imposed culture can penetrate the markets of these countries much more easily. Thus, neocolonialism is the final result of some business or geopolitical interests obtained through the deformation of the culture of the colonized countries. Following an ideology known as neoliberalism, and spread by similar financial institutions, known as the "Washington Consensus", structural adjustment policies were imposed to ensure debt repayment and economic restructuring. But, in reality, poor countries were asked to reduce their spending on health, education and development, making a priority of debt repayment and other favorable economic policies for developed countries. Practically, the IMF and the World Bank asked poor countries to reduce the standard of living of the population. Corruption, corporate state crimes, and organized crime are anyway considered both international crimes and state crimes at the national level. In most cases state crime is considered applicable when the state directly engages in excessive secrecy and cover-up of illegal activities, disinformation, and superficial or even incorrect financial records (which encourage tax evasion in the case of some government officials), often reflecting the interests of only certain social classes and group interests, and thus violating human rights. Corruption involves at least one person who corrupts, one corrupt person, and a large mass of inert victims. It's everyone's fault!
- Published
- 2014
71. Întreţinerea şi repararea calculatoarelor
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Sfetcu, Nicolae and Sfetcu, Nicolae
- Subjects
LD. Computers. - Abstract
Beginner's guide to computer maintenance and troubleshooting, with an introduction to computer concepts, hardware, software (including operating systems), and Internet security. A general-purpose computer has four main components: the arithmetic logic unit (ALU), the control unit, memory, and input and output devices (collectively called I/O). These parts are interconnected by buses, often made of groups of wires. The defining characteristic of modern computers, which distinguishes them from all other machines, is that they can be programmed. This assumes that a certain type of instructions (program) can be implemented in the computer, which will process them. Modern computers, based on the von Neumann architecture, often have machine code in the form of an imperative programming language.
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- 2014
72. Republica lui Platon
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Sfetcu, Nicolae
- Subjects
BC. Information in society. - Abstract
The Republic was written approximately between 380 and 370 BCE. The title Republica is derived from Latin, attributed to Cicero, who called the book De re publica (On Public Affairs), or even as De republica, thus creating confusion as to its true meaning. The Republic is considered an integral part of the utopian literary genre. The second title, Peri dikaiou (περὶ δικαίου, On justice), may have been included later. The central theme of the book is justice, argued with the help of several Platonic theories, including the allegorical myth of the cave, the doctrine of ideas, dialectics, the theory of the soul, and the project of an ideal city. The Republic is considered by many academics to be the greatest philosophical text ever written, being the most studied book in top universities. Source: Πολιτεία (375 BCE), by Plato, English translation by Benjamin Jowett (1901), MultiMedia Publishing (2022), ISBN 978-606-033-654-9
- Published
- 2022
73. Lebăda Neagră, un risc asumat – Merită?
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Sfetcu, Nicolae
- Subjects
BC. Information in society. - Abstract
Book Review: Taleb, Nassim Nicholas (2007), The Black Swan: The Impact of the Highly Improbable, Random House, ISBN 978-1400063512 The book tackles subjects related to knowledge and ways of life, with elements of fiction and anecdotes from the author's personal life, starting from literary aspects to scientific and mathematical ones. The focus is on "our blindness to randomness, especially large deviations." The black swan theory was developed by Nassim Nicholas Taleb to explain the disproportionate role of hard-to-predict rare events, the inconsistency of scientific methods in calculating the probability of rare events due to the nature of small probabilities, and people's biases towards uncertainty and the massive role of a rare event. Taleb suggests that businessmen use the "barbell strategy" for investing that he himself used, which consists of avoiding medium-risk investments and placing 85-90% of the money in the safest instruments available and the remaining 10- 15% in highly speculative business.
- Published
- 2022
74. Drobeta Turnu Severin Heavy Water Plant: Functioning and Shutting Down
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Sfetcu, Nicolae, primary
- Published
- 2024
- Full Text
- View/download PDF
75. Procesarea Big Data (Big Data Processing)
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Sfetcu, Nicolae, primary
- Published
- 2024
- Full Text
- View/download PDF
76. Isaac Newton vs. Robert Hooke on the Law of Universal Gravitation
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Sfetcu, Nicolae, primary
- Published
- 2024
- Full Text
- View/download PDF
77. Newton-Hooke controversy in the opinion of scientists
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Sfetcu, Nicolae, primary
- Published
- 2024
- Full Text
- View/download PDF
78. Proiectarea și arhitectura rețelelor de comunicații 5G (Design and Architecture of 5G Communication Networks)
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Sfetcu, Nicolae, primary
- Published
- 2024
- Full Text
- View/download PDF
79. Inteligența artificială, o provocare esențială (Artificial Intelligence, an Essential Challenge)
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Sfetcu, Nicolae, primary
- Published
- 2024
- Full Text
- View/download PDF
80. Învățarea regulilor de asociere în mineritul datelor (Learning Association Rules in Data Mining)
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Sfetcu, Nicolae, primary
- Published
- 2024
- Full Text
- View/download PDF
81. Sculpting in Time, with Andrei Tarkovsky
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Sfetcu, Nicolae, primary
- Published
- 2024
- Full Text
- View/download PDF
82. Riscuri și provocări în inteligența artificială: Cutii negre și actorii de amenințare (Risks and Challenges in Artificial Intelligence: Black Boxes and Threat Actors)
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Sfetcu, Nicolae, primary
- Published
- 2024
- Full Text
- View/download PDF
83. Criticism of Falsifiability
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Sfetcu, Nicolae, primary
- Published
- 2024
- Full Text
- View/download PDF
84. Securitatea informațiilor în lucrul cu megadate pe Internet (Information Security in Working With Big Data on the Internet)
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Sfetcu, Nicolae, primary
- Published
- 2024
- Full Text
- View/download PDF
85. Ontologii narative în tehnologia blockchain (Narrative ontologies in blockchain technology)
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Sfetcu, Nicolae, primary
- Published
- 2024
- Full Text
- View/download PDF
86. Cunoașterea științifică – Metodologii (Scientific Knowledge – Methodologies)
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Sfetcu, Nicolae, primary
- Published
- 2024
- Full Text
- View/download PDF
87. Harta politică - Dicţionar explicativ
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Sfetcu, Nicolae and Sfetcu, Nicolae
- Subjects
DF. Government libraries. - Abstract
A small guide to political concepts for politicians and activists. Politics is the process of making decisions by groups of people. The term applies to civil governments, but this process has been observed in all interactions between human groups, including corporate, academic, and religious institutions. It consists of "social relations involving authority or power" and refers to the regulation of political units, and to the methods and tactics used to formulate and implement policy. Samuel Gompers' maxim, often paraphrased as "Reward friends and punish enemies," refers to two of the five types of power recognized by social psychologists: incentive power (the power to reward) and coercive power (the power to punish). The other three powers derive from these. The power of legitimacy, the power of a policeman or decision maker, is the power given to a person by a recognized authority to impose standards of behavior. Legitimacy power is similar to coercive power in that unacceptable behavior is punished more or less directly. The power of decision is held by people by virtue of certain skills or attitudes. Fulfilling the desire to feel like a celebrity or a hero is the reward for obedience. This is an example of incentive power where a person rewards himself. The power of the expert derives from education and experience. It should be noted that the power of the expert is conditional on the circumstances.
- Published
- 2014
88. Drobeta Turnu Severin - Mehedinti, Romania
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Sfetcu, Nicolae and Sfetcu, Nicolae
- Subjects
GH. Education. - Abstract
The modern town of Drobeta Turnu Severin has a relatively new history. It made its appearance on the map of Romania and on that of the world following General Pavel Kiseleff’s decree on the 22nd of April, 1833. The town got its name from the majestic remains of the Severin Fortress which used to look down the Danube and surrounding region at some ancient times. It was erected following a pre-established plan, with wide streets falling perpendicularly onto the Danube or running parallel to it. Drobeta Turnu Severin has warm summers and mild winters, meaning the city is home to magnolia trees, Caucasian nut trees, and gingko biloba as well as the almond trees, figs, lilacs, lindens, and chestnut trees more common throughout Europe. The museum of the Iron Gates Hydropower Station together with the Turbine Hall, the Vodita Monastery, as well as the St. Ann Monastery of Orsova can be easily reached from Turnu Severin. It is from this region that the wonderful area of Cazane becomes accessible both by water and by land. ,,Turnu Severin shows itself in the sunset as in the middle of a decor. Widened, the Danube cuts a curve in the Romanian bank and pushes the town up on a top coverd with trees, the thicket of which discloses overlapped houses enveloped in red hallow dies… A western town with beautiful buildings, great schools, wide and straight streets…”
- Published
- 2014
89. La philosophie de la technologie blockchain - Ontologies
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Sfetcu, Nicolae
- Subjects
LC. Internet, including WWW. - Abstract
On the necessity and usefulness of developing a specific philosophy for blockchain technology, emphasizing ontological aspects. After an Introduction which highlights the main philosophical orientations of this emerging technology, in Blockchain technology I explain how the blockchain works, analyzing the directions of ontological development of this technology in Design and modeling. The next section is dedicated to the main application of blockchain technology, Bitcoin, with the social implications of this cryptocurrency. There follows a section of Philosophy in which I identify blockchain technology with the concept of heterotopia developed by Michel Foucault and interpret it in light of the scoring technology developed by Nelson Goodman as a scoring system. In the Ontology section, I present two paths of development that I consider important: a Narrative Ontology, based on the idea of order and structure of history transmitted through the narrative history of Paul Ricoeur, and the system of Business Ontology based on concepts and business models, specific to the Semantic Web, which I consider to be the most developed and which will probably become the formal ontological system, at least with regard to the economic and legal aspects of blockchain technology. In Conclusions, I talk about future directions in the development of blockchain technology philosophy in general as an explanatory and robust theory from a phenomenologically consistent perspective, which allows for testability and ontologies in particular, arguing for the need of the global adoption of an ontological system in order to develop transversal solutions and make this technology profitable.
- Published
- 2019
90. Isaac Newton sur l'action à distance en gravitation : Avec ou sans Dieu ?
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Sfetcu, Nicolae
- Subjects
DI. Science libraries. - Abstract
The interpretation of Isaac Newton's texts has caused controversy to this day. One of the most heated debates concerns the action between two bodies distant from each other (gravitational attraction), and the extent to which Newton involved God in this case. Practically, most articles deal with four types of gravitational attractions in the case of distant bodies: direct action at distance as an intrinsic property of bodies in the Epicurean sense of the term; direct action at a distance divinely mediated by God; action at a distance mediated by a material ether; or action at a distance mediated by an immaterial ether. The purpose of this article is to argue that Newton categorically rejected the types of direct action as an intrinsic property of bodies and action at a distance mediated by a material ether. Regarding the other two types of actions, direct by divine intervention and mediated by an immaterial environment, Newton repeatedly said that he did not know the exact cause of gravity, but in both cases he had directly involved God, directly in the first case. and as the primary cause (the environment/ether being the secondary cause) in immaterial mediated action. But since the recognition of direct action at a distance might have given some credence to those who thought that gravity could be essential to matter, and therefore to atheism, Newton never openly recognized the possibility of such idea. Toward the end of his life, Newton leaned more toward action at a distance mediated by an immaterial ether.
- Published
- 2019
91. Isaac Newton vs Robert Hooke sur la loi de la gravitation universelle
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Sfetcu, Nicolae
- Subjects
DI. Science libraries. - Abstract
One of the disputed controversies on the priority of scientific discoveries is that of the law of universal gravitation, between Isaac Newton and Robert Hooke. Hooke accused Newton of plagiarism, of taking up his ideas expressed in earlier works. I'm trying to show, based on previous analysis, that both scientists were wrong: Robert Hooke because his theory was basically just ideas that would never have materialized without Isaac's mathematical support Newton; and the latter was wrong not to recognize the ideas of Hooke in the elaboration of the theory of gravity. Furthermore, after Hooke's death and his accession to the presidency of the Royal Society, Newton removed all traces of former president Robert Hooke from the institution. For this, I detail the accusations and arguments of each of the parties, and how this dispute was perceived by the contemporaries of the two scientists. I end the paper with the conclusions drawn from the content.
- Published
- 2019
92. Boucles causales dans le voyage dans le temps
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Sfetcu, Nicolae
- Subjects
DI. Science libraries. - Abstract
About the possibility of time travel based on several specialized works, notably those of Nicholas J. J. Smith (“Time Travel”), William Gray (“Troubles with Time Travel”), Ulrich Meyer (“Explaining causal loops” ), Simon Keller and Michael Nelson (“Presentists should believe in time-travel”), Frank Arntzenius and Tim Maudlin (“Time Travel and Modern Physics”), and David Lewis (“The Paradoxes of Time Travel”). The article begins with an Introduction in which I give a brief overview of time travel and continues with a History of the concept of time travel, the main physical aspects of time travel, including time travel in the past in general relativity and quantum physics, and time travel in the future, then a presentation of the Grandfather Paradox addressed in almost all specialized works, followed by a section devoted to the Philosophy of Travel in time and a section in which I analyze Causal Loops for time travel. I end my work with Conclusions, in which I maintain my personal opinions on time travel and the Bibliography on which the work is based.
- Published
- 2019
93. Solaris, directed by Andrei Tarkovsky - Psychological and philosophical aspects
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Sfetcu, Nicolae
- Subjects
DZ. None of these, but in this section. - Abstract
About the main psychological and philosophical aspects detached from the film Solaris directed by Andrei Tarkovski, as well as the cinema techniques used by the director to convey his messages to the spectator. In the "Introduction" I briefly present the relevant elements of Tarkovski's biography and an overview of Stanislav Lem's Solaris novel and the film Solaris directed by Andrei Tarkovsky. In "Cinema Technique" I talk about the specific rhythm of the scenes, the radical movement triggered by Tarkovsky in modern cinema, the role of symbolic and iconic elements, and affinities with the fantastic area of Russian literature. In Psychological Aspects I analyze the issue of communication in a human society of the future considered by Tarkovsky as rigid, the obsession of the house, and the personal evolution of Kris, Hari, and the relationships between them. In Philosophical Aspects, the film is analyzed through the philosophy of the mind (Cartesian dualism, reductionism and functionalism), the problem of personal identity, the theory of heterotopic spaces developed by Michel Foucault, and the semantic interpretations that can be deduced from the film. It also analyzes the issue of personal identity through Locke's philosophy. "Conclusions" show the general ideas of this essay, namely that Man's attempts to classify and maintain forms of interaction with unknown entities will always be condemned to failure and will reflect a major mistake in the panoptic world in which we live. In this framework of analysis of the philosophy of mind, functionalism seems to be the most intuitive. Solaris is, however, a movie that begins as a search for answers and comes to provide these answers with a whole range of different questions.
- Published
- 2019
94. Philosophy of Blockchain Technology - Ontologies
- Author
-
Sfetcu, Nicolae
- Subjects
LH. Computer and network security. - Abstract
About the necessity and usefulness of developing a philosophy specific to the blockchain technology, emphasizing on the ontological aspects. After an Introduction that highlights the main philosophical directions for this emerging technology, in Blockchain Technology I explain the way the blockchain works, discussing ontological development directions of this technology in Designing and Modeling. The next section is dedicated to the main application of blockchain technology, Bitcoin, with the social implications of this cryptocurrency. There follows a section of Philosophy in which I identify the blockchain technology with the concept of heterotopia developed by Michel Foucault and I interpret it in the light of the notational technology developed by Nelson Goodman as a notational system. In the Ontology section, I present two developmental paths that I consider important: Narrative Ontology, based on the idea of order and structure of history transmitted through Paul Ricoeur's narrative history, and the Enterprise Ontology system based on concepts and models of an enterprise, specific to the semantic web, and which I consider to be the most well developed and which will probably become the formal ontological system, at least in terms of the economic and legal aspects of blockchain technology. In Conclusions I am talking about the future directions of developing the blockchain technology philosophy in general as an explanatory and robust theory from a phenomenologically consistent point of view, which allows testability and ontologies in particular, arguing for the need of a global adoption of an ontological system for develop cross-cutting solutions and to make this technology profitable.
- Published
- 2019
95. Epistemology of Intelligence Agencies
- Author
-
Sfetcu, Nicolae
- Subjects
BC. Information in society. - Abstract
About the analogy between the epistemological and methodological aspects of the activity of intelligence agencies and some scientific disciplines, advocating for a more scientific approach to the process of collecting and analyzing information within the intelligence cycle. I assert that the theoretical, ontological and epistemological aspects of the activity of many intelligence agencies are underestimated, leading to incomplete understanding of current phenomena and confusion in inter-institutional collaboration. After a brief Introduction, which includes a history of the evolution of the intelligence concept after World War II, Intelligence Activity defines the objectives and organization of intelligence agencies, the core model of these organizations (the intelligence cycle), and the relevant aspects of the intelligence gathering and intelligence analysis. In the Ontology section, I highlight the ontological aspects and the entities that threaten and are threatened. The Epistemology section includes aspects specific to intelligence activity, with the analysis of the traditional (Singer) model, and a possible epistemological approach through the concept of tacit knowledge developed by scientist Michael Polanyi. In the Methodology section there are various methodological theories with an emphasis on structural analytical techniques, and some analogies with science, archeology, business and medicine. In Conclusions I argue on the possibility of a more scientific approach to methods of intelligence gathering and analysis of intelligence agencies.
- Published
- 2019
96. Ontologia relativității generale
- Author
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Sfetcu, Nicolae
- Subjects
DI. Science libraries. - Abstract
General relativity spawned various early philosophical interpretations. His followers highlighted the "relativization of inertia" and the concept of simultaneity, the Kantians and neo-Kantians emphasized the approach of certain synthetic "intellectual forms" (especially the principle of general covariance), and the logical empiricists emphasized the methodological philosophical significance of the theory. Reichenbach approached the general relativity through the prism of the "relativity of geometry" thesis, attempting a "constructive axiomatization" of the theory of relativity based on "elementary factual problems" (Elementaratbestande) regarding the observable behavior of light rays, rods and clocks.
- Published
- 2019
97. Blockchain Philosophy - Bitcoin
- Author
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Sfetcu, Nicolae
- Subjects
LH. Computer and network security. - Abstract
State features are affected by the connection with digital coins. Social systems create their own limits and remain alive according to their internal logic, which does not derive from the system environment. So, social systems are operationally and autonomously closed - interacting with their environment and there is a general increase in entropy, but individual systems work to maintain and preserve their internal order. Autopoietic systems (like the state, with the tendency to maintain the inner order with a remarkable degree of independence from the outside world) may contrast with allopoietic ones. It results in a state with a finite influence area, but recently troubled by the new forms of digital money and the corresponding infrastructure.
- Published
- 2019
98. Filosofia călătoriei în timp – Paradoxul bunicului
- Author
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Sfetcu, Nicolae
- Subjects
DI. Science libraries. - Abstract
Newton supported the idea of absolute time, unlike Leibniz for whom time is only a relation between events and cannot be expressed independently, consistent statement but the relativity of space-time. Eternism holds that the past and the future exist in a real sense, going as far as the idea that time is a dimension similar to spatial dimensions, that future and past events are "present" on the time axis, but this view is disputed. The most famous example of the impossibility of time travel is the grandfather paradox or the self-infanticide argument: a person who travels back in time and kills his own grandfather, thus preventing the existence of one of his parents, and therefore his own existence.
- Published
- 2019
99. Ontology of Intelligence
- Author
-
Sfetcu, Nicolae
- Subjects
IZ. None of these, but in this section. - Abstract
In intelligence, the ontological problem is related to the nature and characteristics of entities that threaten and are threatened. Developing a threat ontology requires a taxonomy. An ontology for threat analysis and action must be able to shape ontological distinctions between potential and viable threats. This provides a better understanding of how threats (ie intentions, capabilities, and opportunities) can exist and can be changed over time. Escalating threats from a state of potency to a state of viability could be avoided by using appropriate threat mitigation techniques.
- Published
- 2019
100. Action à distance de Newton - Différents points de vue
- Author
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Sfetcu, Nicolae
- Subjects
DD. Academic libraries. - Abstract
The interpretation of Isaac Newton's texts has caused controversy to this day. One of the most heated debates concerns the action between two bodies distant from each other (gravitational attraction), and the extent to which Newton involved God in this case. Practically, most articles deal with four types of gravitational attractions in the case of distant bodies: direct action at distance as an intrinsic property of bodies in the Epicurean sense of the term; direct action at a distance divinely mediated by God; action at a distance mediated by a material ether; or action at a distance mediated by an immaterial ether.
- Published
- 2019
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