3133 search results - page 99 / 627 » Representing clusters for retrieval |
IJCAI
2007
15 years 3 months ago
2007
Effective representation of Web search results remains an open problem in the Information Retrieval community. For ambiguous queries, a traditional approach is to organize search ...
140
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EMMCVPR
2005
Springer
15 years 7 months ago
2005
Springer
We consider the use of medial surfaces to represent symmetries of cts. This allows for a qualitative abstraction based on a directed acyclic graph of components and also a degree o...
106
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LATIN
2010
Springer
15 years 8 months ago
2010
Springer
Abstract. We introduce the NP-hard graph-based data clustering problem s-Plex Cluster Vertex Deletion, where the task is to delete at most k vertices from a graph so that the conne...
102
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SIGIR
2005
ACM
15 years 7 months ago
2005
ACM
Non-negative Matrix Factorization (NMF, [5]) and Probabilistic Latent Semantic Analysis (PLSA, [4]) have been successfully applied to a number of text analysis tasks such as docum...
118
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DGO
2008
15 years 3 months ago
2008
This paper presents a new approach to identifying concepts expressed in a collection of email messages, and organizing them into an ontology or taxonomy for browsing. It incorpora...