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This paper describes SeMoSD (Semantic Mobile Service Discovery), a mechanism for discovery of services in mobile environments based on web services technology. The service discovery mechanism was designed taking into account the resource constraints of mobile devices. Through SeMoSD, mobile devices are able to profit from the use of semantic technologies for service discovery. Services are described using ontologies, and may be executed on either mobile or fixed nodes. Queries for services are interpreted by a semantic reasoner, resulting in more accurate search results.
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