2492 search results - page 135 / 499 » Ontology-based Database Access |
112
Voted
BTW
2003
Springer
15 years 6 months ago
2003
Springer
Abstract: In order to achieve efficient execution plans for queries comprising userdefined data types and predicates, the database system has to be provided with appropriate index ...
104
Voted
ACMSE
2005
ACM
15 years 6 months ago
2005
ACM
In this paper, we present the design of system of databases (SyDb). We also give the design and implementation of a Java API for global querying and updates on the SyDb. The datab...
109
Voted
SIGMOD
2010
ACM
15 years 1 months ago
2010
ACM
The performance of a database system depends strongly on the layout of database objects, such as indexes or tables, onto the underlying storage devices. A good layout will both ba...
168
Voted
SIGMOD
2009
ACM
16 years 1 months ago
2009
ACM
Many websites provide form-like interfaces which allow users to execute search queries on the underlying hidden databases. In this paper, we explain the importance of protecting s...
163
Voted
SIGMOD
2007
ACM
16 years 28 days ago
2007
ACM
A cracked database is a datastore continuously reorganized based on operations being executed. For each query, the data of interest is physically reclustered to speed-up future ac...