4113 search results - page 287 / 823 » Watermarking Relational Databases |
139
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FMLDO
1993
Springer
15 years 8 months ago
1993
Springer
The performance of object reassembly, notably the most expensive operation andthereforemainlydeterminingtheoverallperformance, is clearly crucial for the success of object-oriente...
197
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EDBT
1994
ACM
15 years 8 months ago
1994
ACM
Abstract. Good estimates of join result sizes are critical for query optimization in relational database management systems. We address the problem of incrementally obtaining accur...
134
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VLDB
1993
ACM
15 years 8 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...
114
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EDBTW
2006
Springer
15 years 8 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...
227
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ICDE
2003
IEEE
16 years 6 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...