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» Evaluating Probabilistic Queries over Imprecise Data
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DASFAA
2010
IEEE
176views Database» more  DASFAA 2010»
15 years 3 days 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»
14 years 12 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 days 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 3 days 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...
SIGMOD
2003
ACM
158views Database» more  SIGMOD 2003»
16 years 1 days 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...