NDLI: Automatic data exchange and synchronization for knowledge-based intelligent virtual environments

Content Provider	IEEE Xplore Digital Library
Author	Heumer, G. Schilling, M. Latoschik, M.E.
Copyright Year	2005
Description	Author affiliation: Fac. of Technol., Bielefeld Univ., Germany (Heumer, G.; Schilling, M.; Latoschik, M.E.)
Abstract	Advanced VR simulation systems are composed of several components with independent and heterogeneously structured databases. To guarantee a closed and consistent world simulation, flexible and robust data exchange between these components has to be realized. This multiple database problem is well known in many distributed application domains, but it is central for VR setups composed of diverse simulation components. Particularly complicated is the exchange between object-centered and graph-based representation formats, where entity attributes may be distributed over the graph structure. This article presents an abstract declarative attribute representation concept, which handles different representation formats uniformly and enables automatic data exchange and synchronization between them. This mechanism is tailored to support the integration of a central knowledge component, which provides a uniform representation of the accumulated knowledge of the several simulation components involved. This component handles the incoming-possibly conflicting-world changes propagated by the diverse components. It becomes the central instance for process flow synchronization of several autonomous evaluation loops.
Sponsorship	IEEE Comput. Soc. Visualization and Graphics Tech. Comm
Starting Page	43
Ending Page	50
File Size	837825
Page Count	8
File Format	PDF
ISBN	0780389298
DOI	10.1109/VR.2005.1492752
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2005-03-12
Publisher Place	Germany
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Virtual reality Artificial intelligence Application software Virtual environment Knowledge representation Software tools Graphics Knowledge based systems Databases Robustness
Content Type	Text
Resource Type	Article

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