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» An Ontology-Based Information Retrieval Model
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SIGIR
2002
ACM
13 years 8 months ago
Two-stage language models for information retrieval
The optimal settings of retrieval parameters often depend on both the document collection and the query, and are usually found through empirical tuning. In this paper, we propose ...
ChengXiang Zhai, John D. Lafferty
SOFSEM
2004
Springer
14 years 2 months ago
Fuzzy Group Models for Adaptation in Cooperative Information Retrieval Contexts
Cooperation in information retrieval contexts can be used to share query results inside groups of individuals with common objectives, provided that all of them are aware of each ot...
Miguel Ángel Sicilia Urbán, Elena Ga...
IICS
2010
Springer
14 years 14 days ago
Actors-media-qualities: a Generic Model for Information Retrieval in Virtual Communities
Abstract: The article presents a model of the structural properties of virtual communities and the information they can access. It argues that a large part of the information – a...
Gregor Heinrich
TREC
1998
13 years 10 months ago
BBN at TREC7: Using Hidden Markov Models for Information Retrieval
We present a new method for information retrieval using hidden Markov models HMMs and relate our experience with this system on the TREC-7 ad hoc task. We develop a general framew...
David R. H. Miller, Tim Leek, Richard M. Schwartz
HUMAN
2003
Springer
14 years 2 months ago
Semantic Web Search Model for Information Retrieval of the Semantic Data
In this paper, we propose the ontology-based semantic web search model to enhance efficiency and accuracy of information retrieval for unstructured and semi-structured documents. N...
Okkyung Choi, SeokHyun Yoon, Myeongeun Oh, Sangyon...