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» The metamathematics of random graphs
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STOC
2010
ACM
261views Algorithms» more  STOC 2010»
14 years 1 months ago
An Improved LP-based Approximation for Steiner Tree
The Steiner tree problem is one of the most fundamental ÆÈ-hard problems: given a weighted undirected graph and a subset of terminal nodes, find a minimum weight tree spanning ...
Jaroslaw Byrka, Fabrizio Grandoni, Thomas Rothvoss...
INFOCOM
1998
IEEE
14 years 25 days ago
Informed-Source Coding-on-Demand (ISCOD) over Broadcast Channels
We present the Informed-Source Coding-On-Demand (ISCOD) approach for efficiently supplying non-identical data from a central server to multiple caching clients through a broadcast ...
Yitzhak Birk, Tomer Kol
PODC
2010
ACM
14 years 14 days ago
Deterministic distributed vertex coloring in polylogarithmic time
Consider an n-vertex graph G = (V, E) of maximum degree ∆, and suppose that each vertex v ∈ V hosts a processor. The processors are allowed to communicate only with their neig...
Leonid Barenboim, Michael Elkin
AAAI
2008
13 years 11 months ago
CIGAR: Concurrent and Interleaving Goal and Activity Recognition
In artificial intelligence and pervasive computing research, inferring users' high-level goals from activity sequences is an important task. A major challenge in goal recogni...
Derek Hao Hu, Qiang Yang
BMCBI
2010
82views more  BMCBI 2010»
13 years 8 months ago
Predicting the network of substrate-enzyme-product triads by combining compound similarity and functional domain composition
Background: Metabolic pathway is a highly regulated network consisting of many metabolic reactions involving substrates, enzymes, and products, where substrates can be transformed...
Lei Chen, Kai-Yan Feng, Yu-Dong Cai, Kuo-Chen Chou...