8795 search results - page 420 / 1759 » Measuring Generality of Documents |
185
click to vote
CORR
2008
Springer
15 years 7 months ago
2008
Springer
Abstract. Query expansion is a well known method to improve the performance of information retrieval systems. In this work we have tested different approaches to extract the candid...
157
click to vote
CORR
2007
Springer
15 years 6 months ago
2007
Springer
Using Dirac Notation as a powerful tool, we investigate the three classical Information Retrieval (IR) models and some their extensions. We show that almost all such models can be...
171
click to vote
JIS
2006
15 years 6 months ago
2006
Query expansion terms are often used to enhance original query formulations in document retrieval. Such terms are usually selected from the entire documents or from windows or pas...
152
Voted
IPM
2007
15 years 6 months ago
2007
A thesaurus and an ontology provide a set of structured terms, phrases, and metadata, often in a hierarchical arrangement, that may be used to index, search, and mine documents. W...
162
click to vote
CORR
1998
Springer
15 years 6 months ago
1998
Springer
The classical, vector space model for text retrieval is shown to give better results (up to 29% better in our experiments) if WordNet synsets are chosen as the indexing space, ins...