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  1. Proceedings of the 5th international workshop on Middleware for pervasive and ad-hoc computing (MPAC '07)
  2. Rule-based reasoning about qualitative spatiotemporal relations
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A probabilistic reasoning framework for smart homes
Reconciling privacy and security in pervasive computing: the case for pseudonymous group membership
A service-oriented virtual community overlay network for secure external service orchestration
SPS: a middleware for multi-user sensor systems
Self-* software architectures and component middleware in pervasive environments
Self-adaptation of event-driven component-oriented middleware using aspects of assembly
A service-oriented middleware for context-aware applications
Evaluating a middleware for crossmedia games
Rule-based reasoning about qualitative spatiotemporal relations
Discovering services with restricted location scope in ubiquitous environments
A replication oriented approach to event based middleware over structured peer to peer networks

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Rule-based reasoning about qualitative spatiotemporal relations

Content Provider ACM Digital Library
Author Holzmann, Clemens
Abstract This paper is about a novel rule-based approach for reasoning about qualitative spatiotemporal relations among technology-rich autonomous objects, to which we refer to as artifacts. The objective of our work is to provide means for defining spatiotemporal constraints - i.e. logical combinations of spatial relations to artifacts at certain time intervals - at a high level of abstraction, and to recognize relative situations therewith. Such constraints are defined with rules that infer high-level relationships for newly recognized situations, which in turn can be used in other constraints. At any time, the history of known relationships can be queried in order to trigger predefined actions. We decided for qualitative abstractions of both spatial and temporal relationships, as they reflect the semantics of natural language terms and thus facilitate dealing with relationships at the application programming level. The core concepts of this reasoning approach are presented, and the implementation of a middleware for spatiotemporal reasoning as well as evaluation results are discussed.
Starting Page 49
Ending Page 54
Page Count 6
File Format PDF
ISBN 9781595939302
DOI 10.1145/1376866.1376875
Language English
Publisher Association for Computing Machinery (ACM)
Publisher Date 2007-11-26
Publisher Place New York
Access Restriction Subscribed
Subject Keyword Rule-based reasoning Qualitative representation Spatiotemporal relations Spatial context
Content Type Text
Resource Type Article
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