Sciweavers

1068 search results - page 40 / 214
» On Space Bounded Server Algorithms
Sort
View
COMPGEOM
2009
ACM
14 years 10 days ago
k-means requires exponentially many iterations even in the plane
The k-means algorithm is a well-known method for partitioning n points that lie in the d-dimensional space into k clusters. Its main features are simplicity and speed in practice....
Andrea Vattani
COCO
2009
Springer
131views Algorithms» more  COCO 2009»
14 years 2 months ago
A Multi-Round Communication Lower Bound for Gap Hamming and Some Consequences
—The Gap-Hamming-Distance problem arose in the context of proving space lower bounds for a number of key problems in the data stream model. In this problem, Alice and Bob have to...
Joshua Brody, Amit Chakrabarti
CDES
2006
136views Hardware» more  CDES 2006»
13 years 9 months ago
Using Task Recomputation During Application Mapping in Parallel Embedded Architectures
- Many memory-sensitive embedded applications can tolerate small performance degradations if doing so can reduce the memory space requirements significantly. This paper explores th...
Suleyman Tosun, Mahmut T. Kandemir, Hakduran Koc
ICCV
1998
IEEE
14 years 9 months ago
Wormholes in Shape Space: Tracking Through Discontinuous Changes in Shape
Existing object tracking algorithms generally use some form of local optimisation, assuming that an object's position and shape change smoothly over time. In some situations ...
Tony Heap, David Hogg
COLT
2007
Springer
14 years 1 months ago
Minimax Bounds for Active Learning
This paper analyzes the potential advantages and theoretical challenges of “active learning” algorithms. Active learning involves sequential sampling procedures that use infor...
Rui Castro, Robert D. Nowak