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CIKM
2009
Springer
13 years 11 months ago
Efficient itemset generator discovery over a stream sliding window
Mining generator patterns has raised great research interest in recent years. The main purpose of mining itemset generators is that they can form equivalence classes together with...
Chuancong Gao, Jianyong Wang
ICDE
2007
IEEE
128views Database» more  ICDE 2007»
14 years 9 months ago
DeltaSky: Optimal Maintenance of Skyline Deletions without Exclusive Dominance Region Generation
This paper addresses the problem of efficient maintenance of a materialized skyline view in response to skyline removals. While there has been significant progress on skyline quer...
Ping Wu, Divyakant Agrawal, Ömer Egecioglu, A...
PODS
2001
ACM
145views Database» more  PODS 2001»
14 years 7 months ago
Optimization of Sequence Queries in Database Systems
The need to search for complex and recurring patterns in database sequences is shared by many applications. In this paper, we discuss how to express and support efficiently sophis...
Reza Sadri, Carlo Zaniolo, Amir M. Zarkesh, Jafar ...
SEMWEB
2010
Springer
13 years 5 months ago
Preference-Based Web Service Composition: A Middle Ground between Execution and Search
Abstract. Much of the research on automated Web Service Composition (WSC) relates it to an AI planning task, where the composition is primarily done offline prior to execution. Rec...
Shirin Sohrabi, Sheila A. McIlraith
SIGMOD
2010
ACM
210views Database» more  SIGMOD 2010»
13 years 7 months ago
Searching trajectories by locations: an efficiency study
Trajectory search has long been an attractive and challenging topic which blooms various interesting applications in spatial-temporal databases. In this work, we study a new probl...
Zaiben Chen, Heng Tao Shen, Xiaofang Zhou, Yu Zhen...