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DMSN
2010
ACM
13 years 5 months ago
Processing nested complex sequence pattern queries over event streams
Complex event processing (CEP) has become increasingly important for tracking and monitoring applications ranging from health care, supply chain management to surveillance. These ...
Mo Liu, Medhabi Ray, Elke A. Rundensteiner, Daniel...
IEICET
2008
67views more  IEICET 2008»
13 years 7 months ago
Learning of Finite Unions of Tree Patterns with Internal Structured Variables from Queries
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...
Satoshi Matsumoto, Takayoshi Shoudai, Tomoyuki Uch...
ICDE
2002
IEEE
130views Database» more  ICDE 2002»
14 years 8 months ago
Structural Joins: A Primitive for Efficient XML Query Pattern Matching
XML queries typically specify patterns of selection predicates on multiple elements that have some specified tree structured relationships. The primitive tree structured relations...
Shurug Al-Khalifa, H. V. Jagadish, Jignesh M. Pate...
AMW
2009
13 years 8 months ago
Using Patterns for Faster and Scalable Rewriting of Conjunctive Queries
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...
Ali Kiani, Nematollaah Shiri
EOR
2006
117views more  EOR 2006»
13 years 7 months ago
Heuristics for selecting robust database structures with dynamic query patterns
The success of a company increasingly depends on timely information (internal or external) being available to the right person at the right time for crucial managerial decision-ma...
Andrew N. K. Chen, Paulo B. Goes, Alok Gupta, Jame...