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» An Efficient Index Lattice for XML Query Evaluation
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IDEAS
2010
IEEE
238views Database» more  IDEAS 2010»
13 years 6 months ago
An integrative approach to query optimization in native XML database management systems
Even though an effective cost-based query optimizer is of utmost importance for the efficient evaluation of XQuery expressions in native XML database systems, such a component is...
Andreas M. Weiner, Theo Härder
ECRA
2006
90views more  ECRA 2006»
13 years 7 months ago
Efficient indexing technique for XML-based electronic product catalogs
Electronic product catalogs are considered as one of the main components of e-commerce applications. Efficient processing of queries on product catalogs is important for customer ...
Arzucan Özgür, Taflan I. Gündem
EDBT
2004
ACM
313views Database» more  EDBT 2004»
14 years 7 months ago
XQzip: Querying Compressed XML Using Structural Indexing
XML makes data flexible in representation and easily portable on the Web but it also substantially inflates data size as a consequence of using tags to describe data. Although many...
James Cheng, Wilfred Ng
SIGMOD
2003
ACM
239views Database» more  SIGMOD 2003»
14 years 7 months ago
D(k)-Index: An Adaptive Structural Summary for Graph-Structured Data
To facilitate queries over semi-structured data, various structural summaries have been proposed. Structural summaries are derived directly from the data and serve as indices for ...
Chen Qun, Andrew Lim, Kian Win Ong
CORR
2010
Springer
142views Education» more  CORR 2010»
13 years 7 months ago
XPath Whole Query Optimization
Previous work reports about SXSI, a fast XPath engine which executes tree automata over compressed XML indexes. Here, reasons are investigated why SXSI is so fast. It is shown tha...
Sebastian Maneth, Kim Nguyen