1 - 5 of 5 Chapters
[Ontologies are logical theories that describe a formal conceptualization in a domain of interest. Conceptualizations are intensional semantic structures that codify implicit knowledge that restricts the structure of a part of the domain. Usually, this specification is expressed explicitly in a...
[The study of how preferences can be modeled and leveraged in different kinds of application domains has been the subject of a wide range of works in many different disciplines. Most relevant to our work are the developments in the computer science literature, and in particular the incorporation...
[User preferences have been incorporated in both traditional databases and ontology-based query answering mechanisms for some time now. The recent change in the way data is created and consumed in the Social Semantic Web has caused this aspect of query answering to receive more attention, since...
[As we have already discussed in previous chapters, the work described in this book can be considered as a further development of the PrefDatalog+/− framework presented in  (cf. Chap. 2), where we develop algorithms to answer skyline queries, and their generalization to k-rank queries, over...
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