109 citations · 119 across the 4 of their papers we have counts for
5 papers
Hierarchical Data Generator based on Tree-Structured Stick Breaking Process for Benchmarking Clustering Methods
Łukasz P. Olech, Michał Spytkowski, Halina Kwaśnicka +1
Object Cluster Hierarchies is a new variant of Hierarchical Cluster Analysis that gains interest in the field of Machine Learning. Being still at an early stage of development, the…
Scalability Model Based on the Concept of Granularity
Łukasz P. Olech, Jan Kwiatkowski
In the recent years it can be observed increasing popularity of parallel processing using multi-core processors, local clusters, GPU and others. Moreover, currently one of the main…
Hybrid Ant Colony Optimization in solving Multi-Skill Resource-Constrained Project Scheduling Problem
Paweł B. Myszkowski, Marek E. Skowroński, Łukasz P. Olech +1
In this paper Hybrid Ant Colony Optimization (HAntCO) approach in solving Multi--Skill Resource Constrained Project Scheduling Problem (MS--RCPSP) has been presented. We have propo…
Hierarchical Gaussian Mixture Model with Objects Attached to Terminal and Non-terminal Dendrogram Nodes
Łukasz P. Olech, Mariusz Paradowski
A hierarchical clustering algorithm based on Gaussian mixture model is presented. The key difference to regular hierarchical mixture models is the ability to store objects in both…
Hierarchy of Groups Evaluation Using Different F-score Variants
Michał Spytkowski, Łukasz P. Olech, Halina Kwaśnicka
The paper presents a cursory examination of clustering, focusing on a rarely explored field of hierarchy of clusters. Based on this, a short discussion of clustering quality measur…