217 search results - page 32 / 44 » An optimization for query answering on ALC database |
ICDE
2005
IEEE
14 years 10 months ago
2005
IEEE
Semantic caching enables mobile clients to answer spatial queries locally by storing the query descriptions together with the results. However, it supports only a limited number o...
VLDB
2005
ACM
14 years 2 months ago
2005
ACM
Popular XML languages, like XPath, use “treepattern” queries to select nodes based on their structural characteristics. While many processing methods have already been propose...
ICDE
2006
IEEE
14 years 10 months ago
2006
IEEE
Web-database systems are nowadays an integral part of everybody's life, with applications ranging from monitoring/trading stock portfolios, to personalized blog aggregation a...
PVLDB
2010
13 years 7 months ago
2010
Recently, there has been increasing interest in extending relational query processing to include data obtained from unstructured sources. A common approach is to use stand-alone I...
SIGMOD
2004
ACM
14 years 8 months ago
2004
ACM
The prevalent use of XML highlights the need for a generic, flexible access-control mechanism for XML documents that supports efficient and secure query access, without revealing ...