427 search results - page 29 / 86 » Conjunctive Query Answering in EL using a Database System |
VLDB
1997
ACM
14 years 25 days ago
1997
ACM
Efficient user-adaptable similarity search more and more increases in its importance for multimedia and spatial database systems. As a general similarity model for multi-dimension...
CIKM
2009
Springer
14 years 3 months ago
2009
Springer
Most of existing methods of keyword search over relational databases find the Steiner trees composed of relevant tuples as the answers. They identify the Steiner trees by discove...
DEXA
2005
Springer
14 years 2 months ago
2005
Springer
In relational database systems a combination of privileges and views is employed to limit a user’s access and to hide non-public data. The data privacy problem is to decide wheth...
SIGMOD
1995
ACM
14 years 7 days ago
1995
ACM
Text is a pervasive information type, and many applications require querying over text sources in addition to structured data. This paper studies the problem of query processing i...
ICDE
2006
IEEE
14 years 2 months ago
2006
IEEE
The window query model is widely used in data stream management systems where the focus of a continuous query is limited to a set of the most recent tuples. In this dissertation, ...