M
Michalis Vazirgiannis
Researcher at École Polytechnique
Publications - 355
Citations - 15006
Michalis Vazirgiannis is an academic researcher from École Polytechnique. The author has contributed to research in topics: Computer science & Cluster analysis. The author has an hindex of 49, co-authored 326 publications receiving 13390 citations. Previous affiliations of Michalis Vazirgiannis include French Institute for Research in Computer Science and Automation & Télécom ParisTech.
Papers
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Journal ArticleDOI
On Clustering Validation Techniques
TL;DR: The fundamental concepts of clustering are introduced while it surveys the widely known clustering algorithms in a comparative way and the issues that are under-addressed by the recent algorithms are illustrated.
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Web mining for web personalization
TL;DR: This article introduces the modules that comprise a Web personalization system, emphasizing the Web usage mining module, and presents a review of the most common methods that are used as well as technical issues that occur.
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A foundation for representing and querying moving objects
Ralf Hartmut Güting,Michael H. Böhlen,Martin Erwig,Christian S. Jensen,Nikos A. Lorentzos,Markus Schneider,Michalis Vazirgiannis +6 more
TL;DR: The paper formally defines the types and operations, offers detailed insight into the considerations that went into the design, and exemplifies the use of the abstract data types using SQL.
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Cluster validity methods: part I
TL;DR: This paper presents a review of the clustering validity and methods based on external and internal criteria and discusses the cluster validity approaches based on internal and external criteria.
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Clustering and Community Detection in Directed Networks: A Survey
TL;DR: In this article, the authors present an in-depth comparative review of the methods presented so far for clustering directed networks along with the relevant necessary methodological background and also related applications.