Towards a Better Understanding of Context and Context-Awareness
HUC '99 Proceedings of the 1st international symposium on Handheld and Ubiquitous Computing
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The Knowledge Engineering Review
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Information Sciences: an International Journal
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SUM '07 Proceedings of the 1st international conference on Scalable Uncertainty Management
Managing uncertainty and vagueness in description logics for the Semantic Web
Web Semantics: Science, Services and Agents on the World Wide Web
Context-aware system for proactive personalized service based on context history
Expert Systems with Applications: An International Journal
Situation Inference for Mobile Users: A Rule Based Approach
MDM '07 Proceedings of the 2007 International Conference on Mobile Data Management
Situation-Aware Mobile Service Recommendation with Fuzzy Logic and Semantic Web
ISDA '09 Proceedings of the 2009 Ninth International Conference on Intelligent Systems Design and Applications
A Minimal Deductive System for General Fuzzy RDF
RR '09 Proceedings of the 3rd International Conference on Web Reasoning and Rule Systems
A framework for task retrieval in task-oriented service navigation system
OTM'05 Proceedings of the 2005 OTM Confederated international conference on On the Move to Meaningful Internet Systems
Uncertainty management in logic programming: simple and effective top-down query answering
KES'05 Proceedings of the 9th international conference on Knowledge-Based Intelligent Information and Engineering Systems - Volume Part II
Fuzzy ontologies for the semantic web
FQAS'06 Proceedings of the 7th international conference on Flexible Query Answering Systems
Semantic Web search based on rough sets and Fuzzy Formal Concept Analysis
Knowledge-Based Systems
An adaptive rule-based approach for managing situation-awareness
Expert Systems with Applications: An International Journal
Hybrid recommendation approaches for multi-criteria collaborative filtering
Expert Systems with Applications: An International Journal
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Mobile Internet is rapidly growing and an enormous quantity of resources are currently available. Thus, the common mechanisms used up to now to locate resources, such as browsing and searching, do not look anymore to be effective in helping users in mobility. Indeed, the user's personal information space can be very large, with respect to the limited interaction capabilities of mobile devices. This paper proposes a situation-aware framework for providing personalized resources in a proactive manner. Current situations of the user are inferred by exploiting domain knowledge expressed in terms of ontologies and semantic rules, which are represented in the well-known Web Ontology Language (OWL) and Semantic Web Rule Language (SWRL), respectively. Uncertainty in some contextual rule conditions is handled by defining appropriate linguistic variables through the Fuzzy Control Language (FCL), a standard representation of fuzzy systems for data exchange among different implementations, and adopting a purposely-adapted coding of ontologies and rules. Uncertain conditions bring to infer more than one situation with different certainty degrees: these degrees are used to assign a rank to concurrent situations. Finally, situations are connected to a set of related resources to be recommended to the user.