An important problem for many location-based applications is the continuous evaluation of proximity relations among moving objects. These relations express whether a given set of ...
Abstract: Some emerging trends in the recent development of the WWW can be observed. These trends are technical, like Web Services, as well as semantic, like the integration of ont...
Database management systems (DBMS) have significantly changed in the last several years. From a system dealing with management of administrative data they have involved to a spati...
: Web Information Systems (WISs) embody a core technology for all larger enterprises. WISs are employed in an intranet or extranet for internal information interchange or communica...
With the popularization of GPS-enabled devices there is an increasing interest for location-based queries. In this context, one interesting problem is processing top-k spatial key...