139 search results - page 7 / 28 » Bipolar Queries: An Approach and its Various Interpretations |
CIKM
2007
Springer
14 years 1 months ago
2007
Springer
As one of the most effective query expansion approaches, local feedback is able to automatically discover new query terms and improve retrieval accuracy for different retrieval ...
CIKM
2009
Springer
14 years 2 months ago
2009
Springer
Despite the widespread use of BM25, there have been few studies examining its effectiveness on a document description over single and multiple field combinations. We determine t...
CBMS
2009
IEEE
14 years 2 months ago
2009
IEEE
Biomedical scientists generate, access, validate and interpret multiple distributed and heterogeneous data sets. Semantic annotations for these data sets are paramount for exchang...
TREC
2001
13 years 8 months ago
2001
The core of our question-answering mechanism is searching for predefined patterns of textual expressions that may be interpreted as answers to certain types of questions. The pres...
SEBD
2007
13 years 9 months ago
2007
Preference queries aim to retrieve from large databases those objects that better match user’s requirements. Approaches proposed so far in the DB field for specifying preference...