Sciweavers

517 search results - page 88 / 104
» Computing Fuzzy Answer Sets Using dlvhex
Sort
View
SIGMOD
2008
ACM
150views Database» more  SIGMOD 2008»
14 years 10 months ago
Ranking queries on uncertain data: a probabilistic threshold approach
Uncertain data is inherent in a few important applications such as environmental surveillance and mobile object tracking. Top-k queries (also known as ranking queries) are often n...
Ming Hua, Jian Pei, Wenjie Zhang, Xuemin Lin
DEXA
2009
Springer
173views Database» more  DEXA 2009»
14 years 4 months ago
Incremental Ontology-Based Extraction and Alignment in Semi-structured Documents
SHIRI 1 is an ontology-based system for integration of semistructured documents related to a specific domain. The system’s purpose is to allow users to access to relevant parts ...
Mouhamadou Thiam, Nacéra Bennacer, Nathalie...
CSCW
2004
ACM
14 years 3 months ago
Collaborative knowledge management supporting mars mission scientists
This paper describes the design and deployment of a collaborative software tool, designed for and presently in use on the Mars Exploration Rovers (MER) 2003 mission. Two central q...
Irene Tollinger, Michael McCurdy, Alonso H. Vera, ...
SIGMOD
1996
ACM
120views Database» more  SIGMOD 1996»
14 years 2 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...
IJRR
2008
107views more  IJRR 2008»
13 years 9 months ago
Caging Polygons with Two and Three Fingers
: We present algorithms for computing all placements of two and three fingers that cage a given polygonal object with n edges in the plane. A polygon is caged when it is impossible...
Mostafa Vahedi, A. Frank van der Stappen