146 search results - page 18 / 30 » gis 2008 |
172
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GIS
2008
ACM
15 years 10 months ago
2008
ACM
An index is devised to support position-independent search for images containing quartets of icons. Point quartets exist that do not unambiguously map to quadrilaterals, however, ...
154
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GIS
2008
ACM
15 years 10 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. ...
110
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GIS
2008
ACM
14 years 10 months ago
2008
ACM
In this paper we study in-network query processing in disconnected mobile environments, where both ad-hoc communication and infrastructure communication are available. Depending o...
159
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GIS
2008
ACM
15 years 10 months ago
2008
ACM
d Abstract] K. Buchin Dept. Computer Science Utrecht University The Netherlands buchin@cs.uu.nl M. Buchin Dept. Computer Science Utrecht University The Netherlands maike@cs.uu.nl ...
164
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GIS
2008
ACM
15 years 10 months ago
2008
ACM
In this paper, we describe a methodology to estimate the geographic coverage of the web without the need for secondary knowledge or complex geo-tagging. This is achieved by random...