632 search results - page 115 / 127 » On the Approximability of the Steiner Tree Problem |
BMCBI
2010
13 years 7 months ago
2010
Background: Chow and Liu showed that the maximum likelihood tree for multivariate discrete distributions may be found using a maximum weight spanning tree algorithm, for example K...
ICCV
2003
IEEE
14 years 9 months ago
2003
IEEE
There are many challenges associated with the integration of synthetic and real imagery. One particularly difficult problem is the automatic extraction of salient parameters of na...
VLDB
2007
ACM
14 years 7 months ago
2007
ACM
We present STAR, a self-tuning algorithm that adaptively sets numeric precision constraints to accurately and efficiently answer continuous aggregate queries over distributed data...
ICDE
2010
IEEE
14 years 7 months ago
2010
IEEE
Many web databases can be seen as providing partial and overlapping information about entities in the world. To answer queries effectively, we need to integrate the information abo...
AAIM
2009
Springer
14 years 2 months ago
2009
Springer
This paper studies the aggregation of messages in networks that consist of a chain of nodes, and each message is time-constrained such that it needs to be aggregated during a give...