6274 search results - page 245 / 1255 » From query complexity to computational complexity |
138
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ICDE
2007
IEEE
15 years 11 months ago
2007
IEEE
User-defined preferences allow personalized ranking of query results. A user provides a declarative specification of his/her preferences, and the system is expected to use that ...
141
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ERCIMDL
1999
Springer
15 years 9 months ago
1999
Springer
Resource discovery in a distributed digital library poses many challenges, one of which is how to choose search engines for query distribution, given a query and a set of search e...
148
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SIGMOD
2010
ACM
15 years 5 months ago
2010
ACM
We develop a compact and efficient reachability labeling scheme for answering provenance queries on workflow runs that conform to a given specification. Even though a workflow run...
186
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BMCBI
2006
15 years 4 months ago
2006
Integration of heterogeneous data types is a challenging problem, especially in biology, where the number of databases and data types increase rapidly. Amongst the problems that o...
302
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CIDR
2011
14 years 8 months ago
2011
Cloud computing provides users near instant access to seemingly unlimited resources, and provides service providers the opportunity to deploy complex information technology infras...