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CAISE
2009
Springer
14 years 4 months ago
Analysis and Validation of Control-Flow Complexity Measures with BPMN Process Models
Evaluating the complexity of business processes during the early stages of their development, primarily during the process modelling phase, provides organizations and stakeholder w...
Elvira Rolón Aguilar, Jorge Cardoso, F&eacu...
LPNMR
2009
Springer
14 years 4 months ago
Complexity of the Stable Model Semantics for Queries on Incomplete Databases
Abstract. We study the complexity of consistency checking and query answering on incomplete databases for languages ranging from non-recursive Datalog to disjunctive Datalog with n...
Jos de Bruijn, Stijn Heymans
ECWEB
2009
Springer
204views ECommerce» more  ECWEB 2009»
14 years 4 months ago
Computational Complexity Reduction for Factorization-Based Collaborative Filtering Algorithms
Abstract. Alternating least squares (ALS) is a powerful matrix factorization (MF) algorithm for both implicit and explicit feedback based recommender systems. We show that by using...
István Pilászy, Domonkos Tikk
COCO
2009
Springer
96views Algorithms» more  COCO 2009»
14 years 1 months ago
On the Complexity of Boolean Functions in Different Characteristics
Every Boolean function on n variables can be expressed as a unique multivariate polynomial modulo p for every prime p. In this work, we study how the degree of a function in one c...
Parikshit Gopalan, Shachar Lovett, Amir Shpilka
CDC
2009
IEEE
122views Control Systems» more  CDC 2009»
13 years 7 months ago
Reduced complexity models in the identification of dynamical networks: Links with sparsification problems
In many applicative scenarios it is important to derive information about the topology and the internal connections of more dynamical systems interacting together. Examples can be ...
Donatello Materassi, Giacomo Innocenti, Laura Giar...