486 search results - page 91 / 98 » An Efficient Path Index for Querying Semi-structured Data |
SIGMOD
2009
ACM
14 years 11 months ago
2009
ACM
SQL tuning--the attempt to improve a poorly-performing execution plan produced by the database query optimizer-is a critical aspect of database performance tuning. Ironically, as ...
PVLDB
2008
13 years 10 months ago
2008
The Deep Web, i.e., content hidden behind HTML forms, has long been acknowledged as a significant gap in search engine coverage. Since it represents a large portion of the structu...
WWW
2008
ACM
14 years 11 months ago
2008
ACM
We study in this paper the Web forum crawling problem, which is a very fundamental step in many Web applications, such as search engine and Web data mining. As a typical user-crea...
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ICDE
2007
IEEE
15 years 4 days ago
2007
IEEE
Logical constraints, (e.g., 'phone numbers in toronto can have prefixes 416, 647, 905 only'), are ubiquitous in relational databases. Traditional integrity constraints, ...
ITCC
2005
IEEE
14 years 4 months ago
2005
IEEE
Web services are becoming an important enabler of the Semantic Web. Besides the need for a rich description mechanism, Web Service information should be made available in an acces...