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» Evaluating Probabilistic Queries over Imprecise Data
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DASFAA
2010
IEEE
176views Database» more  DASFAA 2010»
15 years 1 months ago
Efficient Database-Driven Evaluation of Security Clearance for Federated Access Control of Dynamic XML Documents
Achieving data security over cooperating web services is becoming a reality, but existing XML access control architectures do not consider this federated service computing. In this...
Erwin Leonardi, Sourav S. Bhowmick, Mizuho Iwaihar...
IJSNET
2008
130views more  IJSNET 2008»
15 years 1 months ago
SENSTRAC: scalable querying of sensor networks from mobile platforms using tracking-style queries
Abstract-- Future applications running on mobile platforms will sometimes need to query sensors and track sensor data over time. This paper uses the publishsubscribe paradigm as a ...
Stefan Pleisch, Kenneth P. Birman
SIGMOD
2004
ACM
188views Database» more  SIGMOD 2004»
16 years 1 months ago
Online Event-driven Subsequence Matching over Financial Data Streams
Subsequence similarity matching in time series databases is an important research area for many applications. This paper presents a new approximate approach for automatic online s...
Huanmei Wu, Betty Salzberg, Donghui Zhang
VLDB
2004
ACM
112views Database» more  VLDB 2004»
16 years 1 months ago
Tracking set-expression cardinalities over continuous update streams
There is growing interest in algorithms for processing and querying continuous data streams (i.e., data that is seen only once in a fixed order) with limited memory resources. In i...
Sumit Ganguly, Minos N. Garofalakis, Rajeev Rastog...
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SIGMOD
2003
ACM
158views Database» more  SIGMOD 2003»
16 years 1 months ago
Processing Set Expressions over Continuous Update Streams
There is growing interest in algorithms for processing and querying continuous data streams (i.e., data that is seen only once in a fixed order) with limited memory resources. In ...
Sumit Ganguly, Minos N. Garofalakis, Rajeev Rastog...