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HYBRID
2001
Springer
13 years 12 months ago
Accurate Event Detection for Simulating Hybrid Systems
It has been observed that there are a variety of situations in which the most popular hybrid simulation methods can fail to properly detect the occurrence of discrete events. In th...
Joel M. Esposito, Vijay Kumar, George J. Pappas
GIS
2004
ACM
14 years 8 months ago
Energy efficient exact kNN search in wireless broadcast environments
The advances in wireless communication and decreasing costs of mobile devices have enabled users to access desired information at any time. Coupled with positioning technologies l...
Bugra Gedik, Aameek Singh, Ling Liu
CIKM
2009
Springer
14 years 2 months ago
Fast shortest path distance estimation in large networks
In this paper we study approximate landmark-based methods for point-to-point distance estimation in very large networks. These methods involve selecting a subset of nodes as landm...
Michalis Potamias, Francesco Bonchi, Carlos Castil...
PODS
2000
ACM
179views Database» more  PODS 2000»
13 years 12 months ago
Selectivity Estimation for Boolean Queries
In a variety of applications ranging from optimizing queries on alphanumeric attributes to providing approximate counts of documents containing several query terms, there is an in...
Zhiyuan Chen, Flip Korn, Nick Koudas, S. Muthukris...
ICDE
2007
IEEE
148views Database» more  ICDE 2007»
14 years 8 months ago
Efficient Detection of Distributed Constraint Violations
In many distributed environments, the primary function of monitoring software is to detect anomalies, that is, instances when system behavior deviates substantially from the norm....
Shipra Agrawal, Supratim Deb, K. V. M. Naidu, Raje...