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» Probabilistic query expansion using query logs
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WEBI
2010
Springer
13 years 8 months ago
Incorporating Seasonality into Search Suggestions Derived from Intranet Query Logs
While much research has been performed on query logs collected for major Web search engines, query log analysis to enhance search on smaller and more focused collections has attrac...
Stephen Dignum, Udo Kruschwitz, Maria Fasli, Yunhy...
TAL
2010
Springer
13 years 8 months ago
Passage Retrieval in Log Files: An Approach Based on Query Enrichment
Abstract. The question answering systems are considered the next generation of search engines. This paper focuses on the first step of this process, which is to search for relevant...
Hassan Saneifar, Stéphane Bonniol, Anne Lau...
FQAS
2004
Springer
63views Database» more  FQAS 2004»
14 years 3 months ago
On Querying Ontologies and Databases
This paper concerns the motivation for and subsequently the analysis of proposed additions, in the form of new operators, to a concept language Ontolog for use in querying a conten...
Henrik Bulskov, Rasmus Knappe, Troels Andreasen
SIGMOD
2001
ACM
136views Database» more  SIGMOD 2001»
14 years 10 months ago
Selectivity Estimation using Probabilistic Models
Estimating the result size of complex queries that involve selection on multiple attributes and the join of several relations is a difficult but fundamental task in database query...
Lise Getoor, Benjamin Taskar, Daphne Koller
JCDL
2010
ACM
259views Education» more  JCDL 2010»
14 years 3 months ago
Exploiting time-based synonyms in searching document archives
Query expansion of named entities can be employed in order to increase the retrieval effectiveness. A peculiarity of named entities compared to other vocabulary terms is that they...
Nattiya Kanhabua, Kjetil Nørvåg