3836 search results - page 142 / 768 » Semantics of Database Transformations |
155
Voted
GVD
2004
15 years 5 months ago
2004
We investigate classes of SQL queries which are syntactically correct, but certainly not intended, no matter for which task the query was written. For instance, queries that are c...
132
Voted
IJCIS
1998
15 years 3 months ago
1998
The problem of integrating information from con icting sources comes up in many current applications, such as cooperative information systems, heterogeneous databases, and multi-a...
128
Voted
COMPSAC
1996
IEEE
15 years 7 months ago
1996
IEEE
We present the architecture and design details of a logic database system that extends functionality in a number of ways. The system supports indefinite (non-Horn) facts in extens...
168
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SSD
2007
Springer
15 years 9 months ago
2007
Springer
We address continuously processing an aggregation join query over data streams. Queries of this type involve both join and aggregation operations, with windows specified on join ...
129
Voted
VLDB
1994
ACM
15 years 7 months ago
1994
ACM
This paper describes the design and implementation of NAOS, an active rule component in the object-oriented database system 02. The contribution of this work is related to two mai...