WTI 2010 Program

Sunday 24th October 2010

 09:00 - 09:10         WTI Openning

09:10 - 09:35        Semantic query extension using query contexts and probabilistic description logics

                             José Eduardo Ochoa Luna (POLI - USP),  Kate Revoredo (UNIRIO), Fábio Cozman (POLI-USP)

09:35 - 10:00         The use of frequent itemsets extracted from textual documents for the classification task

                             Rafael Rossi (ICMC - USP),  Solange Rezende (ICMC - USP)

10:00 - 10:25         Online classifier based on the optimal K-associated network

                             João Bertini (ICMC - USP), Alneu Lopes (ICMC - USP), Robson Motta (ICMC - USP), Liang Zhao (ICMC - USP)

                             Coffee break

11:10 - 11:35         An approach to enrich users personomy using semantic recommendation of tags

                             Marcelo Borth (UEM), Sérgio Roberto da Silva (UEM), Josiane M. P. Ferreira (UEM), Valeria Delisandra Feltrim (UEM)

11:35 - 12:00         Reducing label complexity in the presence of imbalanced class distributions

                             Nuno Escudeiro (ISEP), Alípio Jorge (U. Porto)

12:00 - 12:25         Forgetting mechanisms for incremental collaborative filtering

                             João Silva (U. Porto), Alípio Jorge (U. Porto)

                             Lunch

14:10 - 14:35         A Feature Extraction Process for Sentiment Analysis of Opinions on Services

                             Henrique Siqueira (UFPE), Flavia Barros (UFPE)

14:35 - 15:00         Supervised learning for link prediction in weighted networks

                              Hially Rodrigues de Sá (UFPE), Ricardo Prudêncio (UFPE)

15:00 - 15:25         Deployment and evaluation of a usage based collaborative filtering recommendation system with blacklists

                             Luís Lemos (INESC Porto), Alípio Jorge (U. Porto), José Paulo Leal (INESC Porto)