948 search results - page 173 / 190 » On Spatial Information Retrieval and Database Generalization |
GIS
2010
ACM
13 years 2 months ago
2010
ACM
With the prevalence of car navigation systems, indoor navigation systems are increasingly attracting attention in the indoor research area. However, the available models for indoo...
SIGMOD
2009
ACM
14 years 8 months ago
2009
ACM
We consider the problem of collectively approximating a set of sensor signals using the least amount of space so that any individual signal can be efficiently reconstructed within...
WSDM
2012
ACM
12 years 3 months ago
2012
ACM
It is well known that different types of social ties have essentially different influence between people. However, users in online social networks rarely categorize their contact...
GIS
2008
ACM
14 years 8 months ago
2008
ACM
In this paper, we consider the following scenario: a set of mobile objects continuously track their positions in a road network and are able to communicate with a central server. ...
GIS
2008
ACM
14 years 8 months ago
2008
ACM
In digital humanities projects, particularly for historical research and cultural heritage, GIS has played an increasingly important role. However, most implementations have conce...