Faculty of Informatics and Statistics, Department of Information and Knowledge Engineering (DIKE)

Date and time: October 11 2007 (10:30 – 12:00).

Room: 403 NB

Presentations

ECML/PKDD, Warszawa

Speakers

  • Martin Ralbovský, KIZI VŠE Praha
  • Jan Rauch, KIZI, VŠE Praha
  • Vojtěch Svátek, KIZI, VŠE Praha

Downloads: slides 1  slides 2 

Industrial Conference on Data Mining, Leipzig

Speaker

  • Martin Ralbovský, KIZI VŠE Praha

Downloads: slides 1 

Coping With Semantics In Web Usage Mining

Speaker

  • Tomáš Kliegr, KIZI+LISp, VŠE Praha

Semantic enrichment of clickstreams (web visitor paths) is a distinguished research trend in web usage mining; the availability of such data can make a large qualitative difference to the results of data mining. The talk will address two problems related to this topic:
a) obtaining semantic data and ensuring its up-to-dateness is usually expensive
b) the semantic data tend to elarge the attribute space which may lead to the curse of dimensionality.

The proposed solution for practical and timely acquisition of semantics is a plug-in for widely used web analytics software - Google Analytics. A second part of the talk will cover a work-in-progress heuristic for dimensionality reduction of semantically enriched clickstreams.

Downloads: slides 1 

Personalized Web Group (Pewe) Bratislava

Speaker

  • Tomáš Kliegr, KIZI+LISp, VŠE Praha

A report from long-term visit.

Downloads: slides 1 

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