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» Query reformulation with constraints
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ICDE
2002
IEEE
129views Database» more  ICDE 2002»
14 years 8 months ago
Active XQuery
Besides being adopted as the new interchange format for the Internet, XML is finding increasing acceptance as a native data repository language. In order to make XML repositories ...
Angela Bonifati, Daniele Braga, Alessandro Campi, ...
DKE
2008
104views more  DKE 2008»
13 years 7 months ago
Improving the performance of question answering with semantically equivalent answer patterns
In this paper, we discuss a novel technique based on semantic constraints to improve the performance and portability of a reformulation-based question answering system. First, we ...
Leila Kosseim, Jamileh Yousefi
SIGIR
2003
ACM
14 years 19 days ago
Query word deletion prediction
Web search query logs contain traces of users’ search modifications. One strategy users employ is deleting terms, presumably to obtain greater coverage. It is useful to model a...
Rosie Jones, Daniel C. Fain
CPAIOR
2006
Springer
13 years 9 months ago
Conflict-Directed A* Search for Soft Constraints
As many real-world problems involve user preferences, costs, or probabilities, constraint satisfaction has been extended to optimization by generalizing hard constraints to soft co...
Martin Sachenbacher, Brian C. Williams
ISTA
2004
13 years 8 months ago
Combining the Best of Global-as-View and Local-as-View for Data Integration
Currently, there are two main basic approaches to data integration: Global-as-View (GaV) and Local-as-View (LaV). However, both GaV and LaV have their limitations. In a GaV approa...
Li Xu, David W. Embley