7607 search results - page 1318 / 1522 » Querying data provenance |
176
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STOC
2004
ACM
16 years 6 months ago
2004
ACM
We prove an (lg n) cell-probe lower bound on maintaining connectivity in dynamic graphs, as well as a more general trade-off between updates and queries. Our bound holds even if t...
171
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XSYM
2004
Springer
15 years 12 months ago
2004
Springer
A key step in the optimization of declarative queries over XML data is estimating the selectivity of path expressions, i.e., the number of elements reached by a specific navigatio...
217
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AAAI
1998
15 years 8 months ago
1998
The overwhelming amount of information sources now available through the internet has increased the need to combine or integrate the data retrieved from these sources in an intell...
189
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BMCBI
2008
15 years 6 months ago
2008
Background: The Structural Descriptor Database (SDDB) is a web-based tool that predicts the function of proteins and functional site positions based on the structural properties o...
216
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IJCSA
2008
15 years 6 months ago
2008
It is well known that transactional and analytical systems each require different database architecture. In general, the database structure of transactional systems is optimized f...