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SIGMOD
2008
ACM
127views Database» more  SIGMOD 2008»
13 years 7 months ago
Minimization of tree pattern queries with constraints
Tree pattern queries (TPQs) provide a natural and easy formalism to query tree-structured XML data, and the efficient processing of such queries has attracted a lot of attention. ...
Ding Chen, Chee Yong Chan
VLDB
2005
ACM
139views Database» more  VLDB 2005»
14 years 1 months ago
Statistical Learning Techniques for Costing XML Queries
Developing cost models for query optimization is significantly harder for XML queries than for traditional relational queries. The reason is that XML query operators are much mor...
Ning Zhang 0002, Peter J. Haas, Vanja Josifovski, ...
DEXA
2009
Springer
127views Database» more  DEXA 2009»
14 years 2 months ago
The Real Performance Drivers behind XML Lock Protocols
Abstract. Fine-grained lock protocols should allow for highly concurrent transaction processing on XML document trees, which is addressed by the taDOM lock protocol family enabling...
Sebastian Bächle, Theo Härder
CIKM
2008
Springer
13 years 9 months ago
Workload-based optimization of integration processes
The efficient execution of integration processes between distributed, heterogeneous data sources and applications is a challenging research area of data management. These inn proc...
Matthias Böhm, Uwe Wloka, Dirk Habich, Wolfga...
SIGMOD
2009
ACM
214views Database» more  SIGMOD 2009»
14 years 8 months ago
DDE: from dewey to a fully dynamic XML labeling scheme
Labeling schemes lie at the core of query processing for many XML database management systems. Designing labeling schemes for dynamic XML documents is an important problem that ha...
Liang Xu, Tok Wang Ling, Huayu Wu, Zhifeng Bao