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CORR
2010
Springer
135views Education» more  CORR 2010»
15 years 4 months ago
Approximate Shortest Paths Avoiding a Failed Vertex: Optimal Size Data Structures for Unweighted Graph
Let G = (V, E) be any undirected graph on V vertices and E edges. A path P between any two vertices u, v V is said to be t-approximate shortest path if its length is at most t tim...
Neelesh Khanna Surender Baswana
BMCBI
2010
112views more  BMCBI 2010»
15 years 4 months ago
A boundary delimitation algorithm to approximate cell soma volumes of bipolar cells from topographical data obtained by scanning
Background: Cell volume determination plays a pivotal role in the investigation of the biophysical mechanisms underlying various cellular processes. Whereas light microscopy in pr...
Patrick Happel, Kerstin Moller, Ralf Kunz, Irmgard...
STOC
2005
ACM
143views Algorithms» more  STOC 2005»
16 years 4 months ago
Optimal approximations of the frequency moments of data streams
We give a 1-pass ~O(m1-2/k )-space algorithm for computing the k-th frequency moment of a data stream for any real k > 2. Together with the lower bounds of [1, 2, 4], this reso...
Piotr Indyk, David P. Woodruff
SC
2009
ACM
15 years 9 months ago
Plasma fusion code coupling using scalable I/O services and scientific workflows
In order to understand the complex physics of mother nature, physicist often use many approximations to understand one area of physics and then write a simulation to reduce these ...
Norbert Podhorszki, Scott Klasky, Qing Liu, Cipria...
CBMS
2007
IEEE
15 years 10 months ago
Temporal Constraints Approximation from Data about Medical Procedures
Proposing a treatment to patients is one of the physicians’ most common tasks. There are different elements that influence the decision of a physician to propose an appropriate ...
Aida Kamisalic, David Riaño, Francis Real, ...