2018

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Characterizing the Public Perception of WhatsApp through the Lens of Media
Josemar Alves Caetano | Gabriel Magno | Evandro Cunha | Wagner Meira Jr. | Humberto Torres Marques-Neto | Virgílio A. F. Almeida
Proceedings of the CIKM 2018 Workshops co-located with 27th ACM International Conference on Information and Knowledge Management (CIKM 2018), Torino, Italy, October 22, 2018

2016

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A quantitative analysis of the temporal effects on automatic text classification
Thiago Salles | Leonardo Rocha | Marcos André Gonçalves | Jussara M. Almeida | Fernando Mourão | Wagner Meira Jr. | Felipe Viegas
2016 Volume 67 Issue 7

2014

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Sentiment analysis on evolving social streams: how self-report imbalances can help
Pedro Henrique Calais Guerra | Wagner Meira Jr. | Claire Cardie
Seventh ACM International Conference on Web Search and Data Mining, WSDM 2014, New York, NY, USA, February 24-28, 2014

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Economically-efficient sentiment stream analysis
Roberto Lourenço de Oliveira Jr. | Adriano Veloso | Adriano C. M. Pereira | Wagner Meira Jr. | Renato Ferreira | Srinivasan Parthasarathy
The 37th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR '14, Gold Coast , QLD, Australia - July 06 - 11, 2014

2012

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Cost-effective on-demand associative author name disambiguation
Adriano Veloso | Anderson A. Ferreira | Marcos André Gonçalves | Alberto H. F. Laender | Wagner Meira Jr.
2012 Volume 48 Issue 4

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Watch me playing, i am a professional: a first study on video game live streaming
Mehdi Kaytoue | Arlei Silva | Loïc Cerf | Wagner Meira Jr. | Chedy Raïssi
Proceedings of the 21st World Wide Web Conference, WWW 2012, Lyon, France, April 16-20, 2012 (Companion Volume)

2011

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Modeling and evaluating credibility of web applications
Sara Guimarães | Adriano C. M. Pereira | Arlei Silva | Wagner Meira Jr.
Proceedings of the 2011 Joint WICOW/AIRWeb Workshop on Web Quality, WebQuality '11, Hyderabad, India, March 28, 2011

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Effective sentiment stream analysis with self-augmenting training and demand-driven projection
Ismael Santana Silva | Janaína Gomide | Adriano Veloso | Wagner Meira Jr. | Renato Ferreira
Proceeding of the 34th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2011, Beijing, China, July 25-29, 2011

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Adaptive parallel approximate similarity search for responsive multimedia retrieval
George Teodoro | Eduardo Valle | Nathan Mariano | Ricardo da Silva Torres | Wagner Meira Jr.
Proceedings of the 20th ACM Conference on Information and Knowledge Management, CIKM 2011, Glasgow, United Kingdom, October 24-28, 2011

2010

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Learning to rank for content-based image retrieval
Fábio Augusto Faria | Adriano Veloso | Humberto Mossri de Almeida | Eduardo Valle | Ricardo da Silva Torres | Marcos André Gonçalves | Wagner Meira Jr.
Proceedings of the 11th ACM SIGMM International Conference on Multimedia Information Retrieval, MIR 2010, Philadelphia, Pennsylvania, USA, March 29-31, 2010

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Temporally-aware algorithms for document classification
Thiago Salles | Leonardo Rocha | Gisele L. Pappa | Fernando Mourão | Wagner Meira Jr. | Marcos André Gonçalves
Proceeding of the 33rd International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2010, Geneva, Switzerland, July 19-23, 2010

2009

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Seller's credibility in electronic markets: a complex network based approach
Adriano C. M. Pereira | Arlei Silva | Wagner Meira Jr. | Virgílio A. F. Almeida
Proceedings of the 3rd ACM Workshop on Information Credibility on the Web, WICOW 2009, Madrid, Spain, April 20, 2009

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Analyzing seller practices in a Brazilian marketplace
Adriano C. M. Pereira | Diego Duarte | Wagner Meira Jr. | Virgílio A. F. Almeida | Paulo B. Góes
Proceedings of the 18th International Conference on World Wide Web, WWW 2009, Madrid, Spain, April 20-24, 2009

2008

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Understanding temporal aspects in document classification
Fernando Mourão | Leonardo Rocha | Renata Braga Araújo | Thierson Couto | Marcos André Gonçalves | Wagner Meira Jr.
Proceedings of the International Conference on Web Search and Web Data Mining, WSDM 2008, Palo Alto, California, USA, February 11-12, 2008

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Learning to rank at query-time using association rules
Adriano Veloso | Humberto Mossri de Almeida | Marcos André Gonçalves | Wagner Meira Jr.
Proceedings of the 31st Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2008, Singapore, July 20-24, 2008

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Exploiting temporal contexts in text classification
Leonardo Rocha | Fernando Mourão | Adriano C. M. Pereira | Marcos André Gonçalves | Wagner Meira Jr.
Proceedings of the 17th ACM Conference on Information and Knowledge Management, CIKM 2008, Napa Valley, California, USA, October 26-30, 2008

2006

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Multi-evidence, multi-criteria, lazy associative document classification
Adriano Veloso | Wagner Meira Jr. | Marco Cristo | Marcos André Gonçalves | Mohammed Javeed Zaki
Proceedings of the 2006 ACM CIKM International Conference on Information and Knowledge Management, Arlington, Virginia, USA, November 6-11, 2006

2005

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Set-based vector model: An efficient approach for correlation-based ranking
Bruno Pôssas | Nivio Ziviani | Wagner Meira Jr. | Berthier A. Ribeiro-Neto
2005 Volume 23 Issue 4

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Maximal termsets as a query structuring mechanism
Bruno Pôssas | Nivio Ziviani | Berthier A. Ribeiro-Neto | Wagner Meira Jr.
Proceedings of the 2005 ACM CIKM International Conference on Information and Knowledge Management, Bremen, Germany, October 31 - November 5, 2005

2004

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Processing Conjunctive and Phrase Queries with the Set-Based Model
Bruno Pôssas | Nivio Ziviani | Berthier A. Ribeiro-Neto | Wagner Meira Jr.
String Processing and Information Retrieval, 11th International Conference, SPIRE 2004, Padova, Italy, October 5-8, 2004, Proceedings

2002

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Enhancing the Set-Based Model Using Proximity Information
Bruno Pôssas | Nivio Ziviani | Wagner Meira Jr.
String Processing and Information Retrieval, 9th International Symposium, SPIRE 2002, Lisbon, Portugal, September 11-13, 2002, Proceedings

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Set-based model: a new approach for information retrieval
Bruno Pôssas | Nivio Ziviani | Wagner Meira Jr. | Berthier A. Ribeiro-Neto
SIGIR 2002: Proceedings of the 25th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, August 11-15, 2002, Tampere, Finland

2001

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Rank-Preserving Two-Level Caching for Scalable Search Engines
Patricia Correia Saraiva | Edleno Silva de Moura | Rodrigo C. Fonseca | Wagner Meira Jr. | Berthier A. Ribeiro-Neto | Nivio Ziviani
SIGIR 2001: Proceedings of the 24th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, September 9-13, 2001, New Orleans, Louisiana, USA