Abstract Peer-to-peer (P2P) networks have become a powerful means for online data exchange. Currently, users are primarily utilizing these networks to perform exact-match queries a...
The ”tracker” of a P2P system is used to lookup which peers hold (or partially hold) a given object. There are various designs for the tracker function, from a single-server t...
Though visual access to spatial database systems has attracted much attention in recent years, there have only few deductive visual languages for spatial information systems been ...
Vague spatial information such as “x is located at walking distance of y” is abundant on the web. In this contribution, we propose a framework to represent such spatial inform...
Steven Schockaert, Martine De Cock, Etienne E. Ker...