714 search results - page 53 / 143 » Conceptual Query Expansion |
COOPIS
2003
IEEE
14 years 3 months ago
2003
IEEE
In this paper, we propose an approach for guiding ontology managers through the modification of an ontology with respect to users' needs. It is based on the analysis of end-u...
CLEF
2007
Springer
14 years 4 months ago
2007
Springer
This paper reports the participation of the University of Lisbon at the 2007 GeoCLEF task. We adopted a novel approach for GIR, focused on handling geographic features and feature ...
BTW
2007
Springer
2007
Springer
TopX - Efficient and Versatile Top-k Query Process-ing for Text, Semistructured, and Structured Data
14 years 2 months ago
: This paper presents a comprehensive overview of the TopX search engine, an extensive framework for unified indexing and querying large collections of unstructured, semistructured...
TREC
2004
13 years 11 months ago
2004
This paper describes the experiments conducted in the ad-hoc retrieval task of the Genomic track at TREC 2004. Different query expansion techniques based on the addition of keywor...
ISMIS
2003
Springer
14 years 3 months ago
2003
Springer
Abstract. The focus of this paper is approaches to measuring similarity for application in content-based query evaluation. Rather than only comparing at the level of words, the iss...