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» Experimental Models for Validating Technology
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WWW
2007
ACM
16 years 5 months ago
Altering document term vectors for classification: ontologies as expectations of co-occurrence
In this paper we extend the state-of-the-art in utilizing background knowledge for supervised classification by exploiting the semantic relationships between terms explicated in O...
Meenakshi Nagarajan, Amit P. Sheth, Marcos Kawazoe...
WWW
2007
ACM
16 years 5 months ago
Building and managing personalized semantic portals
This paper presents a semantic portal, SEMPort, which provides better user support with personalized views, semantic navigation, ontology-based search and three different kinds of...
Melike Sah, Wendy Hall
WWW
2007
ACM
16 years 5 months ago
Exploration of query context for information retrieval
A number of existing information retrieval systems propose the notion of query context to combine the knowledge of query and user into retrieval to reveal the most exact descripti...
Keke Cai, Chun Chen, Jiajun Bu, Peng Huang, Zhimin...
WWW
2007
ACM
16 years 5 months ago
A no-frills architecture for lightweight answer retrieval
In a new model for answer retrieval, document collections are distilled offline into large repositories of facts. Each fact constitutes a potential direct answer to questions seek...
Marius Pasca
WWW
2006
ACM
16 years 5 months ago
Community discovery and analysis in blogspace
Weblog has quickly evolved into a new information and knowledge dissemination channel. Yet it is not easy to discover weblog communities through keyword search. The main contribut...
Ying Zhou, Joseph Davis