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102
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ICDT
2005
ACM
15 years 4 months ago
2005
ACM
We give two sufficient conditions on XPath like languages for having first order expressivity, meaning that every first order definable set of paths in an ordered node-labeled t...
FOCS
2003
IEEE
15 years 4 months ago
2003
IEEE
We give a complexity theoretic classification of homomorphism problems for graphs and, more generally, relational structures obtained by restricting the left hand side structure ...
143
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COOPIS
1996
IEEE
15 years 3 months ago
1996
IEEE
Rational drug design is an example where integrated access to heterogeneous scientific data is urgently needed, as it becomes rapidly available due to new experimental and computa...
HICSS
1996
IEEE
15 years 3 months ago
1996
IEEE
The recent enormous increase in the use of networked information access and on-line databases has led to more databases being available in languages other than English. The Center...
102
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CCS
2010
ACM
15 years 3 months ago
2010
ACM
Data outsourcing is an emerging paradigm that allows users and companies to give their (potentially sensitive) data to external servers that then become responsible for their stor...