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5. Running Regular Research Seminar Online

Author

Shilov, N. V., Kondratyev, D. A., Kudasov, N., Anureev, I. S., Howlett, Robert J., Series Editor, Jain, Lakhmi C., Series Editor, Jezic, Gordan, editor, Chen-Burger, J., editor, Kusek, M., editor, Sperka, R., editor, and Howlett, R. J., editor

Published
2023
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8. Context-sensitive access to e-document corpus

Author

Smirnov, A. V., Levashova, T. V., Pashkin, M. P., Shilov, N. G., Krizhanovsky, A. A., Kashevnik, A. M., and Komarova, A. S.

Subjects
Computer Science - Information Retrieval, H.3.1, H.3.3, H.4.3, G.2.2
Abstract

The methodology of context-sensitive access to e-documents considers context as a problem model based on the knowledge extracted from the application domain, and presented in the form of application ontology. Efficient access to an information in the text form is needed. Wiki resources as a modern text format provides huge number of text in a semi formalized structure. At the first stage of the methodology, documents are indexed against the ontology representing macro-situation. The indexing method uses a topic tree as a middle layer between documents and the application ontology. At the second stage documents relevant to the current situation (the abstract and operational contexts) are identified and sorted by degree of relevance. Abstract context is a problem-oriented ontology-based model. Operational context is an instantiation of the abstract context with data provided by the information sources. The following parts of the methodology are described: (i) metrics for measuring similarity of e-documents to ontology, (ii) a document index storing results of indexing of e-documents against the ontology; (iii) a method for identification of relevant e-documents based on semantic similarity measures. Wikipedia (wiki resource) is used as a corpus of e-documents for approach evaluation in a case study. Text categorization, the presence of metadata, and an existence of a lot of articles related to different topics characterize the corpus., Comment: 9 pages, 1 figure, short version of this paper was presented at the International Conference Corpus Linguistics 2006. October 10-14, St. Petersburg, Russia

Published
2006

10. Agent Knowledge and Beliefs in a Cloud

Author

Shilov, N. V., Diniz Junqueira Barbosa, Simone, Series editor, Chen, Phoebe, Series editor, Du, Xiaoyong, Series editor, Filipe, Joaquim, Series editor, Kara, Orhun, Series editor, Kotenko, Igor, Series editor, Liu, Ting, Series editor, Sivalingam, Krishna M., Series editor, Washio, Takashi, Series editor, and Horne, Ross, editor

Published
2015
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14. Well-Structured Model Checking of Multiagent Systems

Author

Shilov, N. V., Garanina, N. O., Hutchison, David, editor, Kanade, Takeo, editor, Kittler, Josef, editor, Kleinberg, Jon M., editor, Mattern, Friedemann, editor, Mitchell, John C., editor, Naor, Moni, editor, Nierstrasz, Oscar, editor, Pandu Rangan, C., editor, Steffen, Bernhard, editor, Sudan, Madhu, editor, Terzopoulos, Demetri, editor, Tygar, Doug, editor, Vardi, Moshe Y., editor, Weikum, Gerhard, editor, Virbitskaite, Irina, editor, and Voronkov, Andrei, editor

Published
2007
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15. Adsorption of Copper Ions on the Surface of Multilayer Ti3C2TxMXenes with Mixed Functionalization

Author

Sobolev, K. V., Magomedov, K. E., Shilov, N. R., Rodionova, V. V., and Omelyanchik, A. S.

Abstract

Nowadays a new class of two-dimensional materials, MXenes, is attracting considerable attention as nanoadsorbents for the removal of heavy-metal ions from water. Pollutants such as copper and other heavy metals possess a negative impact on human health and the quality of natural ecosystems when their concentration exceeds an acceptable limit, which makes it urgent to develop cheap and effective methods to reduce the concentration of such pollutants. In this work we study the adsorptive properties of Ti3C2TxMXenes with mixed functionalization by –O, –F, and –OH surface groups in relation to copper Cu(II) ions. Herein, multilayer MXene particles are investigated, since their yield is much greater than that of single-layer particles when using standard synthesis methods, and the experimental results are compared with previously published data for single-layer MXenes. It is established that, at low concentrations (below 50 mg/L), multilayer Ti3C2TxMXenes demonstrate a comparable adsorption capacity of ~102 mg/g which makes it possible to use them for practical applications.

Published
2023
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19. Boris Abramovich Trakhtenbrot

Author

Artemov, S. N., primary, Barzdiņš, J. M., additional, Bokut’, L. A., additional, Gurevich, Yu. Sh., additional, Dekhtyar’, A. M., additional, Levin, L. A., additional, Lomazova, I. A., additional, Matiyasevich, Yu. V., additional, Nepomnyashchii, V. A., additional, Novikov, S. P., additional, Rabinovich, A., additional, Sazonov, V. Yu., additional, Slisenko, A. O., additional, Sokolov, V. A., additional, Trakhtenbrot, M. B., additional, and Shilov, N. V., additional

Published
2022
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32. Recommender System for Navigation Safety: Requirements and Methodology.

Author

Shilov, N.

Subjects
*RECOMMENDER systems, *SYSTEM safety, *SHIP maneuverability, *REQUIREMENTS engineering, *KNOWLEDGE base
Abstract

Low maneuverability of ships together with growing intensity of marine traffic result in new challenges related to navigation safety. This paper reports a research aimed at design of methodology of operation of recommender systems for navigation safety. First, a specification of requirements to systems of the considered class has been carried out. Based on these, the major principles of functioning of such systems have been defined. The principles were a basis for development of the mentioned above methodology, which is based on the usage of context patterns and characterized by the presence of feedback to update the system's knowledge base. [ABSTRACT FROM AUTHOR]

Published
2020
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