3251 search results - page 563 / 651 » Challenges in Web Information Retrieval |
WWW
2009
ACM
14 years 9 months ago
2009
ACM
Due to the lexical gap between questions and answers, automatically detecting right answers becomes very challenging for community question-answering sites. In this paper, we prop...
KDD
2007
ACM
14 years 9 months ago
2007
ACM
Multinomial distributions over words are frequently used to model topics in text collections. A common, major challenge in applying all such topic models to any text mining proble...
KDD
2007
ACM
14 years 9 months ago
2007
ACM
Many important application areas of text classifiers demand high precision and it is common to compare prospective solutions to the performance of Naive Bayes. This baseline is us...
KDD
2002
ACM
14 years 9 months ago
2002
ACM
Automated detection of the first document reporting each new event in temporally-sequenced streams of documents is an open challenge. In this paper we propose a new approach which...
LATIN
2010
Springer
14 years 3 months ago
2010
Springer
Abstract The LLL algorithm aims at finding a “reduced” basis of a Euclidean lattice. The LLL algorithm plays a primary role in many areas of mathematics and computer science. ...