4589 search results - page 679 / 918 » A new evaluation measure for information retrieval systems |
161
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CIKM
2009
Springer
16 years 1 months ago
2009
Springer
We introduce a new theoretical derivation, evaluation methods, and extensive empirical analysis for an automatic query expansion framework in which model estimation is cast as a r...
178
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WEBDB
2005
Springer
16 years 5 days ago
2005
Springer
Recently, there has been increased interest in the retrieval and integration of hidden Web data with a view to leverage high-quality information available in online databases. Alt...
159
Voted
KDD
2010
ACM
15 years 10 months ago
2010
ACM
There has been considerable work on user browsing models for search engine results, both organic and sponsored. The click-through rate (CTR) of a result is the product of the prob...
180
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KDD
2010
ACM
15 years 5 months ago
2010
ACM
Identifying hot spots of moving vehicles in an urban area is essential to many smart city applications. The practical research on hot spots in smart city presents many unique feat...
182
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CHI
2009
ACM
16 years 7 months ago
2009
ACM
This paper reports results from a study in which we automatically classified the query reformulation patterns for 964,780 Web searching sessions (composed of 1,523,072 queries) in...