Data integration using similarity joins and a word-based information representation language
ACM Transactions on Information Systems (TOIS)
ConChat: A Context-Aware Chat Program
IEEE Pervasive Computing
An operational definition of context
CONTEXT'07 Proceedings of the 6th international and interdisciplinary conference on Modeling and using context
A dynamic description logic for representation and reasoning about actions
KSEM'07 Proceedings of the 2nd international conference on Knowledge science, engineering and management
Multi-granularity context model for dynamic Web service composition
Journal of Network and Computer Applications
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Dynamic description logic (DDL) provides a good logic-level solution among the few emerging service composition solutions through reasoning in AI area. To make DDL reasoning infrastructure practical, there is still unaddressed needs of increasing reasoning efficiency. We proposed a semantic filtering approach aiming to increase reasoning efficiency through decreasing reasoning space. The filtering approach was decomposed into two consecutive steps: context-based semantic retrieval with iRDQL --(an imprecise query model, and processing of retrieval results under the control of workflow before forming final filtering results. Experimental results show that the method is well suitable for the volatile context-aware environment and yields good performance over DDL-based service composition.