1268 search results - page 149 / 254 » On database query languages for K-relations |
ISPAN
2009
IEEE
14 years 3 months ago
2009
IEEE
Abstract—Querying non-conventional data sources is recognized as a major issue in new environments and applications such as those occurring in pervasive computing. A key issue is...
DBPL
2009
Springer
14 years 3 months ago
2009
Springer
In this paper, we revisit the view based security framework for XML without imposing any of the previously considered restrictions on the class of queries, the class of DTDs, and t...
APWEB
2007
Springer
14 years 3 months ago
2007
Springer
XQuery is a powerful language defined by the W3C to query XML documents. Its query functionalities and its expressiveness satisfy the major needs of both the database community an...
DCOSS
2005
Springer
14 years 2 months ago
2005
Springer
The widespread dissemination of small-scale sensor nodes has sparked interest in a powerful new database abstraction for sensor networks: Clients “program” the sensors through ...
DEXAW
2009
IEEE
14 years 3 months ago
2009
IEEE
Abstract—Search context is a crucial factor that helps to understand a user’s information need in ad-hoc Web page retrieval. A query log of a search engine contains rich inform...