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COOPIS
2002
IEEE
14 years 18 days ago
Formal Ontology Engineering in the DOGMA Approach
This paper presents a specifically database-inspired approach (called DOGMA) for engineering formal ontologies, implemented as shared resources used to express agreed formal semant...
Mustafa Jarrar, Robert Meersman
SIGIR
2010
ACM
13 years 11 months ago
Improving sentence retrieval with an importance prior
The retrieval of sentences is a core task within Information Retrieval. In this poster we employ a Language Model that incorporates a prior which encodes the importance of sentenc...
Leif Azzopardi, Ronald T. Fernández, David ...
SIGIR
2009
ACM
14 years 2 months ago
Effective query expansion for federated search
While query expansion techniques have been shown to improve retrieval performance in a centralized setting, they have not been well studied in a federated setting. In this paper, ...
Milad Shokouhi, Leif Azzopardi, Paul Thomas
ICML
2001
IEEE
14 years 8 months ago
Learning to Select Good Title Words: An New Approach based on Reverse Information Retrieval
In this paper, we show how we can learn to select good words for a document title. We view the problem of selecting good title words for a document as a variant of an Information ...
Rong Jin, Alexander G. Hauptmann
SIGIR
2004
ACM
14 years 1 months ago
Cluster-based retrieval using language models
Previous research on cluster-based retrieval has been inconclusive as to whether it does bring improved retrieval effectiveness over document-based retrieval. Recent developments ...
Xiaoyong Liu, W. Bruce Croft