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ELECTRONICMARKETS
2010
124views more  ELECTRONICMARKETS 2010»
14 years 7 months ago
The difficulty of studying inter-organisational IS phenomena on large scales: critical reflections on a research journey
We argue that certain theoretical commitments that underpin much existing Interorganisational Information Systems (IOIS) research at small scales become untenable when IOIS are st...
Kai Reimers, Robert B. Johnston, Stefan Klein
CORR
2010
Springer
162views Education» more  CORR 2010»
14 years 6 months ago
Cross-Composition: A New Technique for Kernelization Lower Bounds
We introduce a new technique for proving kernelization lower bounds, called cross-composition. A classical problem L cross-composes into a parameterized problem Q if an instance o...
Hans L. Bodlaender, Bart M. P. Jansen, Stefan Krat...
TVCG
2011
100views more  TVCG 2011»
14 years 4 months ago
Tugging Graphs Faster: Efficiently Modifying Path-Preserving Hierarchies for Browsing Paths
—Many graph visualization systems use graph hierarchies to organize a large input graph into logical components. These approaches detect features globally in the data and place t...
Daniel Archambault, Tamara Munzner, David Auber
JLP
2010
85views more  JLP 2010»
14 years 4 months ago
Synchronous Kleene algebra
The work presented here investigates the combination of Kleene algebra with the synchrony model of concurrency from Milner's SCCS calculus. The resulting algebraic structure ...
Cristian Prisacariu
JTAER
2010
164views more  JTAER 2010»
14 years 4 months ago
Research and Design of a Grid Based Electronic Commerce Recommendation System
Current electronic commerce recommendation system is designed for single electronic commerce website and current recommendation technologies have obvious deficiencies Centralized ...
Yueling Liang, Guihua Nie