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LPKR
1997
Springer
15 years 10 months ago
Reasoning with Prioritized Defaults
The purpose of this paper is to investigate the methodology of reasoning with prioritized defaults in the language of logic programs under the answer set semantics. We present a do...
Michael Gelfond, Tran Cao Son
SIGMOD
1996
ACM
120views Database» more  SIGMOD 1996»
15 years 10 months ago
Implementing Data Cubes Efficiently
Decision support applications involve complex queries on very large databases. Since response times should be small, query optimization is critical. Users typically view the data ...
Venky Harinarayan, Anand Rajaraman, Jeffrey D. Ull...
SSD
1997
Springer
154views Database» more  SSD 1997»
15 years 10 months ago
On the Assessment of Generalisation Consistency
Theory, algorithms, techniques and tools for producing a generalisation of a map have long been available. In this paper we study the inverse problem, namely, given two maps L and...
Vasilis Delis, Thanasis Hadzilacos
COMPGEOM
1994
ACM
15 years 10 months ago
Query-Sensitive Ray Shooting
Ray (segment) shooting is the problem of determining the first intersection between a ray (directed line segment) and a collection of polygonal or polyhedral obstacles. In order t...
Joseph S. B. Mitchell, David M. Mount, Subhash Sur...
ECHT
1992
15 years 10 months ago
SEPIA: A Cooperative Hypermedia Authoring Environment
In this paper, we report about the design, development, and implementation of the SEPIA cooperative hypermedia authoring environment. It provides results on the following aspects ...
Norbert A. Streitz, Jörg M. Haake, Jörg ...