158 search results - page 17 / 32 » sigir 2008 |
SIGIR
2008
ACM
14 years 10 months ago
2008
ACM
We introduce the posterior probabilistic clustering (PPC), which provides a rigorous posterior probability interpretation for Nonnegative Matrix Factorization (NMF) and removes th...
81
Voted
SIGIR
2008
ACM
14 years 9 months ago
2008
ACM
Clustering hypertext document collection is an important task in Information Retrieval. Most clustering methods are based on document content and do not take into account the hype...
91
Voted
SIGIR
2008
ACM
14 years 10 months ago
2008
ACM
Although there are many papers examining ambiguity in Information Retrieval, this paper shows that there is a whole class of ambiguous word that past research has barely explored....
SIGIR
2008
ACM
14 years 10 months ago
2008
ACM
Ranking algorithms, whose goal is to appropriately order a set of objects/documents, are an important component of information retrieval systems. Previous work on ranking algorith...
SIGIR
2008
ACM
14 years 10 months ago
2008
ACM
Relevance feedback, which traditionally uses the terms in the relevant documents to enrich the user's initial query, is an effective method for improving retrieval performanc...