1004 search results - page 40 / 201 » Safe Constraint Queries |
ICDE
2009
IEEE
14 years 10 months ago
2009
IEEE
Many location-based services require rich and expressive query language support for filtering large amounts of information. In prominent location-based services thousands of conti...
VLDB
2001
ACM
14 years 9 months ago
2001
ACM
Abstract In this paper we present a mechanism for approximately translating Boolean query constraints across heterogeneous information sources. Achieving the best translation is ch...
KDD
2004
ACM
14 years 9 months ago
2004
ACM
In this paper we provide a fast, data-driven solution to the failing query problem: given a query that returns an empty answer, how can one relax the query's constraints so t...
SIGMOD
2010
ACM
13 years 9 months ago
2010
ACM
In many business and consumer applications, queries have cardinality constraints. However, current database systems provide minimal support for cardinality assurance. Consequently...
SPIRE
2005
Springer
14 years 2 months ago
2005
Springer
Effective information retrieval in XML documents requires the user to have good knowledge of document structure and of some formal query language. XML query languages like XPath a...