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ERSHOV
2009
Springer
15 years 4 months ago
On the Containment Problem for Queries in Conjunctive Form with Negation
Abstract. We consider the problem of query containment for conjunctive queries with safe negation property. A necessary and sufficient condition for two queries to be in containmen...
Victor Felea
AUTOMOTIVEUI
2009
ACM
15 years 4 months ago
Heart on the road: HRV analysis for monitoring a driver's affective state
Driving a vehicle is a task affected by an increasing number and a rising complexity of Driver Assistance Systems (DAS) resulting in a raised cognitive load of the driver, and in...
Andreas Riener, Alois Ferscha, Mohamed Aly
MOBIHOC
2009
ACM
15 years 2 months ago
A state-based battery model for nodes' lifetime estimation in wireless sensor networks
We address the problem of estimating the remaining energy of a node battery in wireless sensor networks. To solve this issue, we provide an on-line battery model that requires lim...
Joseph Rahmé, Khaldoun Al Agha
BTW
2009
Springer
153views Database» more  BTW 2009»
15 years 2 months ago
Now it's Obvious to The Eye - Visually Explaining XQuery Evaluation in a Native XML Database Management System
Abstract: As the evaluation of XQuery expressions in native XML database management systems is a complex task and offers several degrees of freedom, we propose a visual explanation...
Andreas M. Weiner, Christian Mathis, Theo Här...
HAIS
2009
Springer
15 years 2 months ago
MACSDE: Multi-Agent Contingency Response System for Dynamic Environments
Dynamic environments represent a quite complex domain, where the information available changes continuously. In this paper, a contingency response system for dynamic environments c...
Aitor Mata, Belén Pérez Lancho, Ang&...