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WWW
2009
ACM
14 years 8 months ago
Learning to recognize reliable users and content in social media with coupled mutual reinforcement
Community Question Answering (CQA) has emerged as a popular forum for users to pose questions for other users to answer. Over the last few years, CQA portals such as Naver and Yah...
Jiang Bian, Yandong Liu, Ding Zhou, Eugene Agichte...
CLEF
2005
Springer
14 years 1 months ago
UNED at iCLEF 2005: Automatic Highlighting of Potential Answers
In this paper, we describe UNED’s participation in the iCLEF 2005 track. We have compared two strategies for finding an answer using an interactive question answering system: i...
Víctor Peinado, Fernando López-Osten...
DCG
2010
289views more  DCG 2010»
13 years 7 months ago
Algorithms for Approximate Shortest Path Queries on Weighted Polyhedral Surfaces
We consider the well known geometric problem of determining shortest paths between pairs of points on a polyhedral surface P, where P consists of triangular faces with positive we...
Lyudmil Aleksandrov, Hristo Djidjev, Hua Guo, Anil...
ICDE
2006
IEEE
275views Database» more  ICDE 2006»
14 years 9 months ago
Privacy Preserving Query Processing Using Third Parties
Data integration from multiple autonomous data sources has emerged as an important practical problem. The key requirement for such data integration is that owners of such data nee...
Amr El Abbadi, Aziz Gulbeden, Divyakant Agrawal, F...
ICDT
2007
ACM
107views Database» more  ICDT 2007»
14 years 1 months ago
Some Algorithmic Improvements for the Containment Problem of Conjunctive Queries with Negation
Query containment is a fundamental problem of databases. Given two queries q1 and q2, it asks whether the set of answers to q1 is included in the set of answers to q2 for any datab...
Michel Leclère, Marie-Laure Mugnier