An application of semantic web technologies to situation awareness

Authors:
Christopher J. Matheus;Mieczyslaw M. Kokar;Kenneth Baclawski;Jerzy J. Letkowski
Affiliations:
Versatile Information Systems, Inc., Framingham, Massachusetts;Northeastern University, Boston, Massachusetts;Northeastern University, Boston, Massachusetts;Western New England College, Springfield, MA
Venue:
ISWC'05 Proceedings of the 4th international conference on The Semantic Web
Year:
2005

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Abstract

Situation awareness involves the identification of relationships among objects participating in an evolving situation. This problem in general is intractable and thus requires additional constraints and guidance defined by the user if there is to be any hope of creating practical situation awareness systems. This paper describes a Situation Awareness Assistant (SAWA) based on Semantic Web technologies that facilitates the development of user-defined domain knowledge in the form of formal ontologies and rule sets and then permits the application of the domain knowledge to the monitoring of relevant relations as they occur in a situations. SAWA includes tools for developing ontologies in OWL and rules in SWRL and provides runtime components for collecting event data, storing and querying the data, monitoring relevant relations and viewing the results through a graphical user interface. An application of SAWA to a scenario from the domain of supply logistics is presented along with a discussion of the challenges encountered in using SWRL for this task.