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AAAI
1998
13 years 11 months ago
1998
We present an approach for optimizing the performance of information agents by materializing useful information . A critical problem with information agents, particularly those ga...
ICASSP
2010
IEEE
13 years 4 months ago
2010
IEEE
In this paper we propose an iterative algorithm for solving the problem of extracting a sparse source signal when a reference signal for the desired source signal is available. In...
CIKM
1999
Springer
14 years 2 months ago
1999
Springer
A semantic caching scheme suitable for wrappers wrapping web sources is presented. Since the web sources have typically weaker querying capabilities than conventional databases, e...
WWW
2010
ACM
14 years 5 months ago
2010
ACM
The World-Wide Web consists not only of a huge number of unstructured texts, but also a vast amount of valuable structured data. Web tables [2] are a typical type of structured in...
DAWAK
2003
Springer
14 years 3 months ago
2003
Springer
Web warehousing plays a key role in providing the managers with up-to-date and comprehensive information about their business domain. On the other hand, since XML is now a standard...