Sciweavers

234 search results - page 32 / 47
» On the relative complexity of approximate counting problems
Sort
View
AI
2010
Springer
13 years 7 months ago
Updating action domain descriptions
How can an intelligent agent update her knowledge base about an action domain, relative to some conditions (possibly obtained from earlier observations)? We study this question in...
Thomas Eiter, Esra Erdem, Michael Fink, Ján...
DEXA
2007
Springer
150views Database» more  DEXA 2007»
14 years 1 months ago
Sequence Alignment as a Database Technology Challenge
Abstract. Sequence alignment is an important task for molecular biologists. Because alignment basically deals with approximate string matching on large biological sequence collecti...
Hans Philippi
TALG
2010
158views more  TALG 2010»
13 years 2 months ago
Clustering for metric and nonmetric distance measures
We study a generalization of the k-median problem with respect to an arbitrary dissimilarity measure D. Given a finite set P of size n, our goal is to find a set C of size k such t...
Marcel R. Ackermann, Johannes Blömer, Christi...
PODS
2005
ACM
211views Database» more  PODS 2005»
14 years 7 months ago
Join-distinct aggregate estimation over update streams
There is growing interest in algorithms for processing and querying continuous data streams (i.e., data that is seen only once in a fixed order) with limited memory resources. Pro...
Sumit Ganguly, Minos N. Garofalakis, Amit Kumar, R...
SODA
2004
ACM
115views Algorithms» more  SODA 2004»
13 years 9 months ago
Minimizing the stabbing number of matchings, trees, and triangulations
The (axis-parallel) stabbing number of a given set of line segments is the maximum number of segments that can be intersected by any one (axis-parallel) line. We investigate probl...
Sándor P. Fekete, Marco E. Lübbecke, H...