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SIGMOD
2009
ACM
201views Database» more  SIGMOD 2009»
16 years 6 months ago
Cost based plan selection for xpath
We present a complete XPath cost-based optimization and execution framework and demonstrate its effectiveness and efficiency for a variety of queries and datasets. The framework i...
Haris Georgiadis, Minas Charalambides, Vasilis Vas...
WISE
2005
Springer
16 years 4 days ago
A Formal Ontology Reasoning with Individual Optimization: A Realization of the Semantic Web
Abstract. Answering a query over a group of RDF data pages is a trivial process. However, in the Semantic Web, there is a need for ontology technology. Consequently, OWL, a family ...
Pakornpong Pothipruk, Guido Governatori
ICDT
1999
ACM
72views Database» more  ICDT 1999»
15 years 10 months ago
On the Generation of 2-Dimensional Index Workloads
A large number of database index structures have been proposed over the last two decades, and little consensus has emerged regarding their relative e ectiveness. In order to empir...
Joseph M. Hellerstein, Lisa Hellerstein, George Ko...
SAC
2005
ACM
16 years 4 days ago
Identifying topological predicates for vague spatial objects
Many geographical applications deal with spatial objects that cannot be adequately described by determinate, crisp concepts because of their intrinsically indeterminate and vague ...
Alejandro Pauly, Markus Schneider
CAISE
2005
Springer
16 years 3 days ago
BInXS: A Process for Integration of XML Schemata
This paper presents a detailed integration process for XML schemata called BInXS. BInXS adopts a global-as-view integration approach that builds a global schema from a set of heter...
Ronaldo dos Santos Mello, Carlos A. Heuser