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» A Computational Theory of Working Memory
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PDC
2004
ACM
14 years 2 months ago
The impact of participation in information system design: a comparison of contextual placements
To compare the outcomes of participatory and user-centered contextual design, case study methods and the Activity Checklist derived from Activity Theory are used to analyze two sy...
Magnus Irestig, Henrik Eriksson, Toomas Timpka
STOC
2003
ACM
171views Algorithms» more  STOC 2003»
14 years 9 months ago
Primal-dual meets local search: approximating MST's with nonuniform degree bounds
We present a new bicriteria approximation algorithm for the degree-bounded minimum-cost spanning tree problem: Given an undirected graph with nonnegative edge weights and degree b...
Jochen Könemann, R. Ravi
ICAD
2004
13 years 10 months ago
External Auditory Representations of Programs: Past, Present, and Future an Aesthetic Perspective
This paper provides a summary of previous work done in the area of external auditory representations of programs (known as program auralisation). A brief historical review is give...
Paul Vickers
ALGORITHMICA
2010
104views more  ALGORITHMICA 2010»
13 years 9 months ago
Fixed-Parameter Approximation: Conceptual Framework and Approximability Results
The notion of fixed-parameter approximation is introduced to investigate the approximability of optimization problems within the framework of fixed-parameter computation. This work...
Liming Cai, Xiuzhen Huang
IPPS
2009
IEEE
14 years 3 months ago
Exploring the effect of block shapes on the performance of sparse kernels
In this paper we explore the impact of the block shape on blocked and vectorized versions of the Sparse Matrix-Vector Multiplication (SpMV) kernel and build upon previous work by ...
Vasileios Karakasis, Georgios I. Goumas, Nectarios...