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AMW
2009
15 years 1 months ago
Data Expiration and Aggregate Queries
We investigate the space requirements for summaries needed for maintaining exact answers to aggregate queries over histories of relational databases. We show that, in general, a su...
David Toman
SIGIR
2008
ACM
14 years 11 months ago
Exploring mouse movements for inferring query intent
Clickthrough on search results have been successfully used to infer user interest and preferences, but are often noisy and potentially ambiguous. We explore the potential of a com...
Qi Guo, Eugene Agichtein
UAI
1998
15 years 1 months ago
Inferring Informational Goals from Free-Text Queries: A Bayesian Approach
People using consumer software applications typically do not use technical jargon when querying an online database of help topics. Rather, they attempt to communicate their goals ...
David Heckerman, Eric Horvitz
VLDB
1998
ACM
86views Database» more  VLDB 1998»
15 years 4 months ago
Inferring Function Semantics to Optimize Queries
The goal of the COKO-KOLA project [10, 91 is to express rules of rule-basedoptimizers in a mannerpermitting verification with a theoremprover. In [IO], we consideredquerytransform...
Mitch Cherniack, Stanley B. Zdonik
ICDE
2007
IEEE
126views Database» more  ICDE 2007»
16 years 1 months ago
QPIAD: Query Processing over Incomplete Autonomous Databases
Incompleteness due to missing attribute values (aka "null values") is very common in autonomous web databases, on which user accesses are usually supported through media...
Hemal Khatri, Jianchun Fan, Yi Chen, Subbarao Kamb...