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Focused crawlers selectively retrieve Web documents that are relevant to a predefined set of topics. To intelligently make predictions and decisions about relevant URLs and web pages, different topic models have been introduced to represent topic-specific knowledge. Yet it is difficult to support semantic interoperability among different models. Moreover, some manually specified additional semantic...
This paper presents a dynamic description logic and a sound and complete tableau-based satisfiability-checking algorithm for it. This logic is a combination of a typical action theory and the description logic ALCO@, with a feature that actions are treated as citizens. On the one hand, actions are represented over ontologies expressed in description logic; On the other hand, actions can be used as...
To effectively integrate product information spanning various stages throughout the whole product life cycle, and facilitate seamless sharing and interoperability at knowledge level in heterogeneous collaborative environment, a framework of integrated product modeling based on multiple ontologies is presented. This framework is composed of master model and domain models with the development of a shared...
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