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» On Tree-Constrained Matchings and Generalizations
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FOCS
1993
IEEE
15 years 2 months ago
An On-Line Algorithm for Improving Performance in Navigation
We consider the following scenario. A point robot is placed at some start location ¡ in a 2dimensional scene containing oriented rectangular obstacles. The robot must repeatedly ...
Avrim Blum, Prasad Chalasani
SIGGRAPH
1993
ACM
15 years 2 months ago
Surround-screen projection-based virtual reality: the design and implementation of the CAVE
Several common systems satisfy some but not all of the VR definition above. Flight simulators provide vehicle tracking, not head tracking, and do not generally operate in binocular...
Carolina Cruz-Neira, Daniel J. Sandin, Thomas A. D...
SIGIR
1992
ACM
15 years 2 months ago
Classifying News Stories using Memory Based Reasoning
ct tasks such as extraction of relational information from text [Young] [Jacobs]. We describe a method for classifying news stories using Alternative systems [Biebricher] [Lewis] u...
Brij M. Masand, Gordon Linoff, David L. Waltz
WDAG
1989
Springer
62views Algorithms» more  WDAG 1989»
15 years 2 months ago
Possibility and Impossibility Results in a Shared Memory Environment
We focus on unreliable asynchronous shared memory model which support only atomic read and write operations. For such a model we provide a necessary condition for the solvability ...
Gadi Taubenfeld, Shlomo Moran
BTW
2007
Springer
236views Database» more  BTW 2007»
15 years 1 months ago
A Classification of Schema Mappings and Analysis of Mapping Tools
: Schema mapping techniques for data exchange have become popular and useful tools both in research and industry. A schema mapping relates a source schema with a target schema via ...
Frank Legler, Felix Naumann