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» Optimizing Path Expression Queries of XML Data
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DEBU
2007
83views more  DEBU 2007»
15 years 1 months ago
Regular Expression Matching for Multi-script Databases
Modern database systems mostly support representation and retrieval of data belonging to different scripts and different languages. But the database functions are mostly designed ...
Sudeshna Sarkar
WISE
2005
Springer
15 years 7 months ago
Optimization of XSLT by Compact Specialization and Combination
Abstract. In recent times, there has been an increased utilization of serverside XSLT systems as part of e-commerce and e-publishing applications. For the high volumes of data in t...
Ce Dong, James Bailey
AMW
2010
15 years 3 months ago
Query Rewriting under Non-Guarded Rules
We address the problem of answering conjunctive queries over knowledge bases, specified by sets of first-order sentences called tuple-generating dependencies (TGDs). This problem i...
Andrea Calì, Georg Gottlob, Andreas Pieris
SIGMOD
2007
ACM
146views Database» more  SIGMOD 2007»
16 years 2 months ago
Distributed query evaluation with performance guarantees
Partial evaluation has recently proven an effective technique for evaluating Boolean XPath queries over a fragmented tree that is distributed over a number of sites. What left ope...
Gao Cong, Wenfei Fan, Anastasios Kementsietsidis
ICDE
2010
IEEE
428views Database» more  ICDE 2010»
16 years 1 months ago
Supporting Top-K Keyword Search in XML Databases
Keyword search is considered to be an effective information discovery method for both structured and semistructured data. In XML keyword search, query semantics is based on the con...
Liang Jeff Chen, Yannis Papakonstantinou