MobiCom '97 Proceedings of the 3rd annual ACM/IEEE international conference on Mobile computing and networking
Mobile awareness in a wide area wireless network of info-stations
MobiCom '98 Proceedings of the 4th annual ACM/IEEE international conference on Mobile computing and networking
On caching and prefetching of virtual objects in distributed virtual environments
MULTIMEDIA '98 Proceedings of the sixth ACM international conference on Multimedia
Next century challenges: Nexus—an open global infrastructure for spatial-aware applications
MobiCom '99 Proceedings of the 5th annual ACM/IEEE international conference on Mobile computing and networking
Using semantic caching to manage location dependent data in mobile computing
MobiCom '00 Proceedings of the 6th annual international conference on Mobile computing and networking
Exploiting location information for infostation-based hoarding
Proceedings of the 7th annual international conference on Mobile computing and networking
Exposure in wireless Ad-Hoc sensor networks
Proceedings of the 7th annual international conference on Mobile computing and networking
Semantic Data Caching and Replacement
VLDB '96 Proceedings of the 22th International Conference on Very Large Data Bases
'Caches in the Air': Disseminating Tourist Information in the Guide System
WMCSA '99 Proceedings of the Second IEEE Workshop on Mobile Computer Systems and Applications
ICDCS '03 Proceedings of the 23rd International Conference on Distributed Computing Systems
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With the increasing popularity of mobile computing devices, the need to access information in mobile environments has also grown rapidly. In order to support such mobile information accesses, location-based services and mobile information systems often rely on location-aware data management mechanisms like location-aware caching, data dissemination or prefetching. As we explain in this paper, the location-awareness of such mechanisms is only useful, if the accessed information is location-dependent, i.e. if the probability with that a certain information object is accessed depends on the user's location.Although the location-dependency of the accessed information is crucial for the efficiency of location-aware data management mechanisms and the benefit they can get out of their location-awareness, no metric to measure the location-dependency of information has been proposed so far. In this paper, we describe such a metric together with a second one for a further important characteristic of mobile information accesses, the so-called focus.