Similarity and analogical reasoning
Similarity and analogical reasoning
Fuzzy sets as a basis for a theory of possibility
Fuzzy Sets and Systems
Fuzzy Control
Possibility Theory, Probability Theory and Multiple-Valued Logics: A Clarification
Annals of Mathematics and Artificial Intelligence
Understanding and Using Context
Personal and Ubiquitous Computing
Part-Whole Reasoning in Medical Knowledge Bases Using Description Logics
KI '98 Proceedings of the 22nd Annual German Conference on Artificial Intelligence: Advances in Artificial Intelligence
Reasoning about Uncertainty
a CAPpella: programming by demonstration of context-aware applications
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Introduction to Machine Learning (Adaptive Computation and Machine Learning)
Introduction to Machine Learning (Adaptive Computation and Machine Learning)
The Knowledge Engineering Review
Representation of context-dependant knowledge in ontologies: A model and an application
Expert Systems with Applications: An International Journal
Enhancing Situation-Aware Systems through Imprecise Reasoning
IEEE Transactions on Mobile Computing
An ontology design pattern for representing relevance in OWL
ISWC'07/ASWC'07 Proceedings of the 6th international The semantic web and 2nd Asian conference on Asian semantic web conference
Using fuzzy decision tree to handle uncertainty in context deduction
ICIC'06 Proceedings of the 2006 international conference on Intelligent computing: Part II
An approach to data fusion for context awareness
CONTEXT'05 Proceedings of the 5th international conference on Modeling and Using Context
A framework for fuzzy recognition technology
IEEE Transactions on Systems, Man, and Cybernetics, Part C: Applications and Reviews
IEEE Transactions on Fuzzy Systems
Fuzzy basis functions, universal approximation, and orthogonal least-squares learning
IEEE Transactions on Neural Networks
An adaptive rule-based approach for managing situation-awareness
Expert Systems with Applications: An International Journal
A decision-making mechanism for context inference in pervasive healthcare environments
Decision Support Systems
FRIENDs: Brain-monitoring agents for adaptive socio-technical systems
Multiagent and Grid Systems
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We focus on the very important family of context-aware applications. Context-aware computing relies on tasks like capturing/sensing environmental parameters (e.g., lightness, location), classifying context, and inferring further knowledge about that context (determine the situation the user is currently in). However, the relevant applications have to deal with the inherent imperfection of context sensing for decision making. We propose an extension of context representation and inference for situation-aware applications. Our model relies on Fuzzy Set Theory to accommodate the imperfection of sensed context. Based on this model, we have developed three fuzzy inference engines, which rely on advanced semantics (specialization, mereological and compatibility relations). We have evaluated the proposed engines through a series of experiments involving real users. Our findings indicate the strong points of the proposed context classification and inference processes.