157 search results - page 14 / 32 » A Path-based Approach for Efficient Evaluation of Twig Queri... |
CIKM
2008
Springer
13 years 9 months ago
2008
Springer
Query processing techniques for XML data have focused mainly on tree-pattern queries (TPQs). However, the need for querying XML data sources whose structure is very complex or not...
SSDBM
2007
IEEE
14 years 1 months ago
2007
IEEE
We consider pedigree data structured in the form of a directed acyclic graph, and use an encoding scheme, called NodeCodes, for expediting the evaluation of queries on pedigree gr...
EDBT
2009
ACM
13 years 11 months ago
2009
ACM
In a database system, disclosure of confidential private data may occur if users can put together the answers of past queries. Traditional access control mechanisms cannot guard a...
CORR
2010
Springer
13 years 4 months ago
2010
Springer
The ever-increasing amount of data in biomedical research, and in cancer research in particular, needs to be managed to support efficient data access, exchange and integration. Exi...
ICDE
2007
IEEE
14 years 8 months ago
2007
IEEE
In location-based services, it is common for a user to issue a query based on his/her current position. One such example is "find the available cabs within two miles of my cu...