332 search results - page 6 / 67 » Implementing OCL as a Database Query Language |
139
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ICDT
2009
ACM
15 years 10 months ago
2009
ACM
World-set algebra is a variable-free query language for uncertain databases. It constitutes the core of the query language implemented in MayBMS, an uncertain database system. Thi...
ACMSE
2005
ACM
15 years 3 months ago
2005
ACM
A simple extension to the relational model that permits metadata (more generally metaknowledge) to be stored and manipulated as first class data is proposed. The accompanying que...
ICDE
1994
IEEE
15 years 2 months ago
1994
IEEE
In applications like nancial trading, scheduling, manufacturing and process control, time based predicates in queries and rules are very important. There is also a need to de ne ...
ICCSA
2009
Springer
15 years 4 months ago
2009
Springer
Data aggregation in Geographic Information Systems (GIS) is a desirable feature, spatial data are integrated in OLAP engines for this purpose. However, the development and operatio...
103
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COLING
2000
14 years 11 months ago
2000
Recent years have shown a surge in interest in temporal database systems, which allow users to store time-dependent intbrmation. We present a novel controlled natural language int...