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274
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SIGMOD
2008
ACM
16 years 6 months ago
2008
ACM
Database archiving is important for the retrieval of old versions of a database and for temporal queries over the history of data. We demonstrate XArch, a management system for ma...
169
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SIGMOD
2002
ACM
16 years 6 months ago
2002
ACM
This paper addresses the problem of evaluating ranked top-? queries with expensive predicates. As major DBMSs now all support expensive user-defined predicates for Boolean queries...
176
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POPL
2010
ACM
16 years 3 months ago
2010
ACM
This paper describes a novel technique for the synthesis of imperative programs. Automated program synthesis has the potential to make programming and the design of systems easier...
156
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PEPM
2010
ACM
16 years 3 months ago
2010
ACM
We show how to efficiently evaluate generic map-filter-product queries, generalizations of select-project-join (SPJ) queries in relational algebra, based on a combination of two...
164
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ICCCI
2009
Springer
16 years 24 days ago
2009
Springer
Abstract. The Semantic Web promises increased precision in automated information sorting, searching, organizing and summarizing. Realizing this requires significantly more reliabl...