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» Rounding to an Integral Program
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STOC
2010
ACM
261views Algorithms» more  STOC 2010»
15 years 8 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...
ECCC
2006
88views more  ECCC 2006»
15 years 3 months ago
Hardness of Directed Routing with Congestion
Given a graph G and a collection of source-sink pairs in G, what is the least integer c such that each source can be connected by a path to its sink, with at most c paths going th...
Julia Chuzhoy, Sanjeev Khanna
ICDE
2012
IEEE
216views Database» more  ICDE 2012»
13 years 5 months ago
Load Balancing in MapReduce Based on Scalable Cardinality Estimates
—MapReduce has emerged as a popular tool for distributed and scalable processing of massive data sets and is increasingly being used in e-science applications. Unfortunately, the...
Benjamin Gufler, Nikolaus Augsten, Angelika Reiser...
ITICSE
2005
ACM
15 years 8 months ago
Iconic programming for flowcharts, java, turing, etc
One of the largest barriers to learning programming is the precise and complex syntax required to write programs. This barrier is a key impediment to the integration of programmin...
Stephen Chen, Stephen Morris
POPL
2003
ACM
16 years 3 months ago
Static prediction of heap space usage for first-order functional programs
We show how to efficiently obtain linear a priori bounds on the heap space consumption of first-order functional programs. The analysis takes space reuse by explicit deallocation ...
Martin Hofmann, Steffen Jost