4616 search results - page 343 / 924 » Beyond relational databases |
165
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VLDB
1993
ACM
15 years 10 months ago
1993
ACM
Abstract. We show that production rules and persistent queues together provide a convenient mechanism for maintaining consistency in semantically heterogeneous multidatabase enviro...
153
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EDBTW
2006
Springer
15 years 10 months ago
2006
Springer
Abstract. We discuss, compare and relate some old and some new models for incomplete and probabilistic databases. We characterize the expressive power of c-tables over infinite dom...
261
Voted
ICDE
2003
IEEE
16 years 8 months ago
2003
IEEE
We present a valid-time extension of SQL and investigate its efficient implementation on an Object-Relational database system. We propose an approach where temporal queries are ex...
239
Voted
VLDB
2007
ACM
16 years 7 months ago
2007
ACM
This demonstration showcases the STEP system for natural language access to relational databases. In STEP an administrator authors a highly structured semantic grammar through cou...
251
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SIGMOD
2007
ACM
16 years 7 months ago
2007
ACM
There is a growing need to associate a variety of metadata with the underlying data, but a simple, elegant approach to uniformly model and query both the data and the metadata has...