2298 search results - page 80 / 460 » Querying spatial patterns |
102
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VLDB
2005
ACM
15 years 6 months ago
2005
ACM
Popular XML languages, like XPath, use “treepattern” queries to select nodes based on their structural characteristics. While many processing methods have already been propose...
118
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DMSN
2010
ACM
14 years 10 months ago
2010
ACM
Complex event processing (CEP) has become increasingly important for tracking and monitoring applications ranging from health care, supply chain management to surveillance. These ...
101
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IEICET
2008
15 years 19 days ago
2008
We consider the polynomial time learnability of finite unions of ordered tree patterns with internal structured variables, in the query learning model of Angluin (1988). An ordered...
200
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ICDE
2002
IEEE
16 years 1 months ago
2002
IEEE
XML queries typically specify patterns of selection predicates on multiple elements that have some specified tree structured relationships. The primitive tree structured relations...
107
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AMW
2009
15 years 1 months ago
2009
Abstract. Rewriting of conjunctive queries using views has many applications in database and data integration. We investigate ways to improve performance of rewriting and propose a...