349 search results - page 16 / 70 » Query Rewriting for Semistructured Data |
153
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EDBT
2012
ACM
13 years 4 months ago
2012
ACM
In this paper we consider the problem of answering queries using views, with or without ontological constraints, which is important for data integration, query optimization, and d...
112
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SIGECOM
2008
ACM
15 years 1 months ago
2008
ACM
We consider the problem of query rewrites in the context of keyword advertisement. Given a three-layer graph consisting of queries, query rewrites, and the corresponding ads that ...
141
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IJSI
2008
15 years 1 months ago
2008
Abstract A rich family of generic Information Extraction (IE) techniques have been developed by researchers nowadays. This paper proposes WebKER, a system for automatically extract...
129
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CIKM
1999
Springer
15 years 6 months ago
1999
Springer
A considerable amount of clean semistructured data is internally available to companies in the form of business reports. However, business reports are untapped for data mining, da...
192
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SIGMOD
2009
ACM
16 years 2 months ago
2009
ACM
Current semi-structured keyword search and natural language query processing systems use ad hoc approaches to take advantage of structural information. Although intuitive, they ar...