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170 results on '"Ciferri, Ricardo"'

1. Ontology Engineering of an IoT System for Monitoring Hypertension

Author

Lopes de Souza, Pedro, Lopes de Souza, Wanderley, Ferreira Pires, Luís, Moreira, João Luiz Rebelo, Ciferri, Ricardo Rodrigues, van der Aalst, Wil, Series Editor, Ram, Sudha, Series Editor, Rosemann, Michael, Series Editor, Szyperski, Clemens, Series Editor, Guizzardi, Giancarlo, Series Editor, Filipe, Joaquim, editor, Śmiałek, Michał, editor, Brodsky, Alexander, editor, and Hammoudi, Slimane, editor

Published
2024
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2. A Performance Analysis of Different MongoDB Consistency Levels

Author

Morceli, Caio Lazarini, Times, Valeria Cesario, Ciferri, Ricardo Rodrigues, Kacprzyk, Janusz, Series Editor, Pal, Nikhil R., Advisory Editor, Bello Perez, Rafael, Advisory Editor, Corchado, Emilio S., Advisory Editor, Hagras, Hani, Advisory Editor, Kóczy, László T., Advisory Editor, Kreinovich, Vladik, Advisory Editor, Lin, Chin-Teng, Advisory Editor, Lu, Jie, Advisory Editor, Melin, Patricia, Advisory Editor, Nedjah, Nadia, Advisory Editor, Nguyen, Ngoc Thanh, Advisory Editor, Wang, Jun, Advisory Editor, and Latifi, Shahram, editor

Published
2023
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3. Quality Assessment of Open Educational Resources Based on Data Provenance

Author

dos Santos, Renata Ribeiro, Santos, Marilde Terezinha Prado, Ciferri, Ricardo Rodrigues, Kacprzyk, Janusz, Series Editor, Pal, Nikhil R., Advisory Editor, Bello Perez, Rafael, Advisory Editor, Corchado, Emilio S., Advisory Editor, Hagras, Hani, Advisory Editor, Kóczy, László T., Advisory Editor, Kreinovich, Vladik, Advisory Editor, Lin, Chin-Teng, Advisory Editor, Lu, Jie, Advisory Editor, Melin, Patricia, Advisory Editor, Nedjah, Nadia, Advisory Editor, Nguyen, Ngoc Thanh, Advisory Editor, Wang, Jun, Advisory Editor, and Latifi, Shahram, editor

Published
2023
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4. Quality Assessment of Open Educational Resources: A Systematic Review

Author

dos Santos, Renata Ribeiro, Santos, Marilde Terezinha Prado, Ciferri, Ricardo Rodrigues, Kacprzyk, Janusz, Series Editor, Pal, Nikhil R., Advisory Editor, Bello Perez, Rafael, Advisory Editor, Corchado, Emilio S., Advisory Editor, Hagras, Hani, Advisory Editor, Kóczy, László T., Advisory Editor, Kreinovich, Vladik, Advisory Editor, Lin, Chin-Teng, Advisory Editor, Lu, Jie, Advisory Editor, Melin, Patricia, Advisory Editor, Nedjah, Nadia, Advisory Editor, Nguyen, Ngoc Thanh, Advisory Editor, Wang, Jun, Advisory Editor, and Latifi, Shahram, editor

Published
2023
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7. Semantic Interoperability in the Internet of Things: A Systematic Literature Review

Author

Lopes de Lopes de Souza, Pedro, Lopes de Lopes de Souza, Wanderley, Ciferri, Ricardo Rodrigues, Kacprzyk, Janusz, Series Editor, Pal, Nikhil R., Advisory Editor, Bello Perez, Rafael, Advisory Editor, Corchado, Emilio S., Advisory Editor, Hagras, Hani, Advisory Editor, Kóczy, László T., Advisory Editor, Kreinovich, Vladik, Advisory Editor, Lin, Chin-Teng, Advisory Editor, Lu, Jie, Advisory Editor, Melin, Patricia, Advisory Editor, Nedjah, Nadia, Advisory Editor, Nguyen, Ngoc Thanh, Advisory Editor, Wang, Jun, Advisory Editor, and Latifi, Shahram, editor

Published
2022
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8. A Survey of Real-Time ETL Process Applied to Data Warehousing Environments

Author

Vilela, Flávio de Assis, Ciferri, Ricardo Rodrigues, Kacprzyk, Janusz, Series Editor, Pal, Nikhil R., Advisory Editor, Bello Perez, Rafael, Advisory Editor, Corchado, Emilio S., Advisory Editor, Hagras, Hani, Advisory Editor, Kóczy, László T., Advisory Editor, Kreinovich, Vladik, Advisory Editor, Lin, Chin-Teng, Advisory Editor, Lu, Jie, Advisory Editor, Melin, Patricia, Advisory Editor, Nedjah, Nadia, Advisory Editor, Nguyen, Ngoc Thanh, Advisory Editor, Wang, Jun, Advisory Editor, and Latifi, Shahram, editor

Published
2022
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13. A Generic and Efficient Framework for Spatial Indexing on Flash-Based Solid State Drives

Author

Carniel, Anderson Chaves, Ciferri, Ricardo Rodrigues, de Aguiar Ciferri, Cristina Dutra, Hutchison, David, Series editor, Kanade, Takeo, Series editor, Kittler, Josef, Series editor, Kleinberg, Jon M., Series editor, Mattern, Friedemann, Series editor, Mitchell, John C., Series editor, Naor, Moni, Series editor, Pandu Rangan, C., Series editor, Steffen, Bernhard, Series editor, Terzopoulos, Demetri, Series editor, Tygar, Doug, Series editor, Weikum, Gerhard, Series editor, Kirikova, Mārīte, editor, Nørvåg, Kjetil, editor, and Papadopoulos, George A., editor

Published
2017
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17. Processing OLAP Queries over an Encrypted Data Warehouse Stored in the Cloud

Author

Lopes, Claudivan Cruz, Times, Valéria Cesário, Matwin, Stan, Ciferri, Ricardo Rodrigues, Ciferri, Cristina Dutra de Aguiar, Hutchison, David, Series editor, Kanade, Takeo, Series editor, Kittler, Josef, Series editor, Kleinberg, Jon M., Series editor, Kobsa, Alfred, Series editor, Mattern, Friedemann, Series editor, Mitchell, John C., Series editor, Naor, Moni, Series editor, Nierstrasz, Oscar, Series editor, Pandu Rangan, C., Series editor, Steffen, Bernhard, Series editor, Terzopoulos, Demetri, Series editor, Tygar, Doug, Series editor, Weikum, Gerhard, Series editor, Bellatreche, Ladjel, editor, and Mohania, Mukesh K., editor

Published
2014
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18. Incremental Data Fusion Based on Provenance Information

Author

Hara, Carmem Satie, de Aguiar Ciferri, Cristina Dutra, Ciferri, Ricardo Rodrigues, 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, Tannen, Val, editor, Wong, Limsoon, editor, Libkin, Leonid, editor, Fan, Wenfei, editor, Tan, Wang-Chiew, editor, and Fourman, Michael, editor

Published
2013
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19. Towards Vague Geographic Data Warehouses

Author

Siqueira, Thiago Luís Lopes, de Aguiar Ciferri, Cristina Dutra, Times, Valéria Cesário, Ciferri, Ricardo Rodrigues, 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, Xiao, Ningchuan, editor, Kwan, Mei-Po, editor, Goodchild, Michael F., editor, and Shekhar, Shashi, editor

Published
2012
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21. Efficient Processing of Drill-across Queries over Geographic Data Warehouses

Author

Brito, Jaqueline Joice, Siqueira, Thiago Luís Lopes, Times, Valéria Cesário, Ciferri, Ricardo Rodrigues, de Ciferri, Cristina Dutra, Hutchison, David, Series editor, Kanade, Takeo, Series editor, Kittler, Josef, Series editor, Kleinberg, Jon M., Series editor, Mattern, Friedemann, Series editor, Mitchell, John C., Series editor, Naor, Moni, Series editor, Nierstrasz, Oscar, Series editor, Pandu Rangan, C., Series editor, Steffen, Bernhard, Series editor, Sudan, Madhu, Series editor, Terzopoulos, Demetri, Series editor, Tygar, Doug, Series editor, Vardi, Moshe Y., Series editor, Weikum, Gerhard, Series editor, Cuzzocrea, Alfredo, editor, and Dayal, Umeshwar, editor

Published
2011
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22. Efficiently Querying Protein Sequences with the Proteinus Index

Author

da Louza, Felipe Alves, Ciferri, Ricardo Rodrigues, de Aguiar Ciferri, Cristina Dutra, Hutchison, David, Series editor, Kanade, Takeo, Series editor, Kittler, Josef, Series editor, Kleinberg, Jon M., Series editor, Mattern, Friedemann, Series editor, Mitchell, John C., Series editor, Naor, Moni, Series editor, Nierstrasz, Oscar, Series editor, Pandu Rangan, C., Series editor, Steffen, Bernhard, Series editor, Sudan, Madhu, Series editor, Terzopoulos, Demetri, Series editor, Tygar, Doug, Series editor, Vardi, Moshe Y., Series editor, Weikum, Gerhard, Series editor, Istrail, Sorin, editor, Pevzner, Pavel, editor, Waterman, Michael S., editor, Norberto de Souza, Osmar, editor, Telles, Guilherme P., editor, and Palakal, Mathew, editor

Published
2011
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24. Benchmarking Spatial Data Warehouses

Author

Siqueira, Thiago Luís Lopes, Ciferri, Ricardo Rodrigues, Times, Valéria Cesário, de Aguiar Ciferri, Cristina Dutra, Hutchison, David, Series editor, Kanade, Takeo, Series editor, Kittler, Josef, Series editor, Kleinberg, Jon M., Series editor, Mattern, Friedemann, Series editor, Mitchell, John C., Series editor, Naor, Moni, Series editor, Nierstrasz, Oscar, Series editor, Pandu Rangan, C., Series editor, Steffen, Bernhard, Series editor, Sudan, Madhu, Series editor, Terzopoulos, Demetri, Series editor, Tygar, Doug, Series editor, Vardi, Moshe Y., Series editor, Weikum, Gerhard, Series editor, Bach Pedersen, Torben, editor, Mohania, Mukesh K., editor, and Tjoa, A Min, editor

Published
2010
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25. An Environment for Data Analysis in Biomedical Domain: Information Extraction for Decision Support Systems

Author

Matos, Pablo F., Lombardi, Leonardo O., Pardo, Thiago A. S., Ciferri, Cristina D. A., Vieira, Marina T. P., Ciferri, Ricardo R., 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, Goebel, Randy, editor, Siekmann, Jörg, editor, Wahlster, Wolfgang, editor, García-Pedrajas, Nicolás, editor, Herrera, Francisco, editor, Fyfe, Colin, editor, Benítez, José Manuel, editor, and Ali, Moonis, editor

Published
2010
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26. The Onion-Tree: Quick Indexing of Complex Data in the Main Memory

Author

Carélo, Caio César Mori, Pola, Ives Renê Venturini, Ciferri, Ricardo Rodrigues, Traina, Agma Juci Machado, Traina-Jr., Caetano, de Aguiar Ciferri, Cristina Dutra, Hutchison, David, Series editor, Kanade, Takeo, Series editor, Kittler, Josef, Series editor, Kleinberg, Jon M., Series editor, Mattern, Friedemann, Series editor, Mitchell, John C., Series editor, Naor, Moni, Series editor, Nierstrasz, Oscar, Series editor, Pandu Rangan, C., Series editor, Steffen, Bernhard, Series editor, Sudan, Madhu, Series editor, Terzopoulos, Demetri, Series editor, Tygar, Doug, Series editor, Vardi, Moshe Y., Series editor, Weikum, Gerhard, Series editor, Grundspenkis, Janis, editor, Morzy, Tadeusz, editor, and Vossen, Gottfried, editor

Published
2009
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49. Analyzing the Performance of Spatial Indices on Hard Disk Drives and Flash-based Solid State Drives

Author

Chaves Carniel, Anderson, Rodrigues Ciferri, Ricardo, Dutra de Aguiar Ciferri, Cristina, CAPES, CNPq, FAPESP, and Microsoft Research

Subjects
benchmarking, flash memory, spatial database, spatial indexing, Hardware_MEMORYSTRUCTURES
Abstract

Spatial database systems and Geographic Information Systems frequently employ disk-based spatial indices like the R-tree and the R*-tree to speed up the processing of spatial queries, such as spatial range queries. Commonly, these indices are originally designed for Hard Disk Drives (HDDs) and thus, they take into account the slow mechanical access and the cost of search and rotational delay of magnetic disks. On the other hand, flash-based Solid State Drives (SSDs) have widely been adopted in local data centers and cloud data centers like the Microsoft Azure environment. Because of intrinsic characteristics of SSDs like the erase-before-update property and the asymmetric costs between reads and writes, the impact of spatial indexing on SSDs needs to be studied. In this article, we conduct an experimental evaluation in order to analyze the performance relation of spatial indexing on HDDs and SSDs. For this purpose, we execute our experiments on a local server equipped with an HDD and an SSD, as well as on virtual machines equipped with HDDs and SSDs and allocated in the Microsoft Azure environment. As a result, we show experimentally that spatial indices originally designed for HDDs should be redesigned for SSDs in order to take into account the intrinsic characteristics of SSDs. This means that a spatial index that showed a good performance on an HDD often did not show the same good performance on an SSD.

Published
2017

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