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AAAI
1990

144views Intelligent Agents» more AAAI 1990»

The Complexity of Closed World Reasoning and Circumscription

13 years 9 months ago

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Closed world reasoning is a common nonmonotonic technique that allows for dealing with negative information in knowledge and data bases. We present a detailed analysis of the comp...

Marco Cadoli, Maurizio Lenzerini

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DCG
2008

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Enumeration in Convex Geometries and Associated Polytopal Subdivisions of Spheres

13 years 7 months ago

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We construct CW spheres from the lattices that arise as the closed sets of a convex closure, the meet-distributive lattices. These spheres are nearly polytopal, in the sense that t...

Louis J. Billera, Samuel K. Hsiao, J. Scott Provan

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ICRA
2003
IEEE

146views Robotics» more ICRA 2003»

Putting the 'I' in 'team': an ego-centric approach to cooperative localization

14 years 1 months ago

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— This paper describes a cooperative method for relative localization of mobile robot teams; that is, it describes a method whereby every robot in the team can estimate the pose ...

Andrew Howard, Maja J. Mataric, Gaurav S. Sukhatme

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ICEIS
2005
IEEE

91views Information Technology» more ICEIS 2005»

A Formal Definition for Object-Relational Database Metrics

14 years 1 months ago