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DAGSTUHL
2006
13 years 11 months ago
Approaches to Compute Workflow Complexity
-- During the last 20 years, complexity has been an interesting topic that has been investigated in many fields of science, such as biology, neurology, software engineering, chemis...
Jorge Cardoso
ECIS
2004
13 years 11 months ago
Business architecture: a new paradigm to relate e-business strategy to ICT
In this paper we address the concept of business architecture. We explain the concept and, based on a case study, discuss its relevance, operation, relationship with strategy and ...
Gerrit Versteeg, Harry Bouwman
IASTEDSEA
2004
13 years 11 months ago
Instance orientation: A programming methodology
Instance orientation is an approach for designing and programming software systems. It addresses a limitation of current software architectures: it allows multiple higherlevel vie...
Thomas Schöbel-Theuer
ICWS
2004
IEEE
13 years 11 months ago
Managing and Securing Web Services with VPNs
Web Services constitute a set of technologies that many believe will change the web communication landscape within the next few years. They offer standardized and easy communicati...
Lina Alchaal, Vincent Roca, Michel Habert
IPCO
2001
166views Optimization» more  IPCO 2001»
13 years 11 months ago
Approximate k-MSTs and k-Steiner Trees via the Primal-Dual Method and Lagrangean Relaxation
Garg [10] gives two approximation algorithms for the minimum-cost tree spanning k vertices in an undirected graph. Recently Jain and Vazirani [16] discovered primal-dual approxima...
Fabián A. Chudak, Tim Roughgarden, David P....