QUERIES

Representing uncertainty regarding satisfaction degrees using possibility distributions

Evaluating flexible criteria on data leads to degrees of satisfaction. If a datum is uncertain, it can be uncertain to which degree it satisfies the criterion. This uncertainty can be modelled using a possibility distribution over the domain of …

Fuzziness in database management systems: half a century of developments and future prospects

Inner and outer bipolarity in database querying

Recently a new line of research on database querying has been triggered by the observation that humans usually express their preferences using both positive and negative statements. This results in semantically richer bipolar queries consisting of …

Viewpoints on emergent semantics

We introduce a novel view on how to deal with the problems of semantic interoperability in distributed systems. This view is based on the concept of emergent semantics, which sees both the representation of semantics and the discovery of the proper …