This paper presents our work on supporting evaluation of integrity constraint issues in semantic web instance data. We propose an alternative semantics for the ontology language, i...
Private inference control enables simultaneous enforcement of inference control and protection of users’ query privacy. Private inference control is a useful tool for database ap...
Termination has been a subject of intensive research in the logic programming community for the last two decades. Most works deal with proving universal left termination of a given...
This paper formalizes the notion of a design model structurally conforming to a design pattern by representing the model as a logic program whilst the pattern as a query. The conf...
This paper shows a scheme for incremental evaluation of XPath queries. Here, we focus on a monotone fragment of XPath, i.e., when a data is deleted from (or inserted to) the datab...