Research on designing ontologies for location-based services
2007
With the far and wide applications of Location-Based Services (LBS), the call for more semantic and accurate services is
emerging. From a semantic viewpoint, the major characteristic of, and challenge for, LBS is the fact that they serve as
mediator between a possibly unknown user and possibly a priori unknown services. While some geographic information
technology standards provide the basis for syntactic interoperability, they do not yet provide methods for dealing with
problems of semantic heterogeneity. In this paper we design ontologies for LBS which are used for the identification and
association of semantically corresponding concepts to overcome the semantic problems. In order to better understand the
semantic content of the data in LBS, we analyze several elements both data and services involved. Then, we model these
data and services in a way that captures their peculiarities and allows their sharing between users and services and
exchange among different LBS, when desired. For this, we use the Protege-OWL plug-in for creating hybrid hierarchy of
ontologies to enhance the semantic content both the user information and the services have. To argue about the design
choices and show their applicability, we present a simple example from a characteristic real world application.
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