1605 search results - page 22 / 321 » Search result diversity for informational queries |
PPSN
2000
Springer
15 years 3 months ago
2000
Springer
A family of recombination operators is studied in this work. These operators are based on keeping and using certain information about the past evolution of the algorithm to guide t...
NAACL
2010
14 years 9 months ago
2010
Understanding query ambiguity in web search remains an important open problem. In this paper we reexamine query ambiguity by analyzing the result clickthrough data. Previously pro...
ISI
2007
Springer
15 years 6 months ago
2007
Springer
— Often document dissemination is limited to a “need to know” basis so as to better maintain organizational trade secrets. Retrieving documents that are off-topic to a user...
112
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OTM
2010
Springer
14 years 9 months ago
2010
Springer
In the last years the user information seeking process on the Web has shifted from document search to object search. Hence, the answers provided by Web search engines cannot consis...
100
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WWW
2005
ACM
16 years 14 days ago
2005
ACM
We consider the problem of efficiently sampling Web search engine query results. In turn, using a small random sample instead of the full set of results leads to efficient approxi...