4113 search results - page 150 / 823 » Watermarking Relational Databases |
163
Voted
ICDT
2009
ACM
15 years 10 months ago
2009
ACM
A formal semantics of uncertain databases typically takes an algebraic approach by mapping an uncertain database to a set of relational databases, or possible worlds. We present a...
118
Voted
DEXA
1998
Springer
15 years 8 months ago
1998
Springer
Prototype databases are needed in any information system development process to support data-intensive applications development. It is common practice to populate these databases u...
147
Voted
CIKM
2011
Springer
14 years 3 months ago
2011
Springer
There exist many interrelated information sources on the Internet that can be categorized into structured (database) and semistructured (documents). A key challenge is to integrat...
201
Voted
SIGMOD
1990
ACM
15 years 7 months ago
1990
ACM
In this work access support relataons are introduced as a means for optlmizmg query processing m object-oriented database systems The general idea 1s to mamtam redundant separate ...
138
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PODS
2007
ACM
16 years 3 months ago
2007
ACM
We show that relational algebra calculations for incomplete databases, probabilistic databases, bag semantics and whyprovenance are particular cases of the same general algorithms...