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IJNSEC
2008
75views more  IJNSEC 2008»
13 years 8 months ago
A Key Management Scheme for Hierarchical Access Control in Group Communication
In group communication, users often have different access rights to multiple data streams. Based on the access relation of users and data streams, users can form partially ordered...
Qiong Zhang, Yuke Wang, Jason P. Jue
ICDE
2008
IEEE
131views Database» more  ICDE 2008»
14 years 9 months ago
Outlier-Aware Data Aggregation in Sensor Networks
In this paper we discuss a robust aggregation framework that can detect spurious measurements and refrain from incorporating them in the computed aggregate values. Our framework ca...
Antonios Deligiannakis, Vassilis Stoumpos, Yannis ...
PERCOM
2008
ACM
14 years 7 months ago
Environment-Awareness: Quantitative Processing of Context Changes
Comparing context of different entities is not easy at all. Since context depends on the situation of a particular entity it can be understood in different ways by various entitie...
Andreas Heil, Martin Gaedke
LICS
2008
IEEE
14 years 2 months ago
Piecewise Testable Tree Languages
— This paper presents a decidable characterization of tree languages that can be defined by a boolean combination of Σ1 formulas. This is a tree extension of the Simon theorem,...
Mikolaj Bojanczyk, Luc Segoufin, Howard Straubing
FLAIRS
2008
13 years 10 months ago
Declarative Specification and Interpretation of Rule-Based Systems
A declarative rule inference engine can be very useful for modern distributed or heterogeneous applications, if it can be configured for multiple semantics and evaluation strategi...
Dietmar Seipel, Joachim Baumeister