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177
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IEEEARES
2008
IEEE
16 years 1 months ago
2008
IEEE
Emerging models for context-aware role-based access control pose challenging requirements over policy administration. In this paper we address the issues raised by the decentraliz...
149
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ICRA
2003
IEEE
16 years 16 hour ago
2003
IEEE
— This paper addresses the problem of simultaneous localization and mapping (SLAM) by a mobile robot. The SLAM problem is defined as a global optimization problem in which the o...
176
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FSR
2003
Springer
15 years 12 months ago
2003
Springer
This paper describes a personal service robot developed for assisting a user in his/her daily life. One of the important aspects of such robots is the user-friendliness in communi...
157
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GEOINFO
2007
15 years 8 months ago
2007
In this paper we are interested in storing and perform OLAP queries about various aggregate trajectory properties. We consider a data stream environment where a set of mobile objec...
206
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APPINF
2003
15 years 8 months ago
2003
This paper reviews some attempts that exploit a phenomenon, also known as motion parallax, to estimate the distance of closest approach of a moving object. Despite their success, ...