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CIKM
2009
Springer
14 years 1 months ago
2009
Springer
While provenance has been extensively studied in the literature, the efficient evaluation of provenance queries remains an open problem. Traditional query optimization techniques...
DEBU
2010
13 years 10 months ago
2010
Consider a universe of tokens, each of which is associated with a weight, and a database consisting of strings that can be represented as subsets of these tokens. Given a query st...
TKDE
2002
13 years 9 months ago
2002
A join-index is a data structure used for processing join queries in databases. Join-indices use precomputation techniques to speed up online query processing and are useful for da...
EDBT
2009
ACM
14 years 2 months ago
2009
ACM
In this study, we present experiences of parallelizing XPath queries using the Xalan XPath engine on shared-address space multi-core systems. For our evaluation, we consider a sce...
VLDB
2002
ACM
13 years 9 months ago
2002
ACM
We present a novel framework for mapping between any combination of XML and relational schemas, in which a high-level, userspecified mapping is translated into semantically meanin...