[Elsnet-list] LSHC2: Joint ECML/PKDD - PASCAL Workshop on Large-Scale Hierarchical Classification

Ion Androutsopoulos ionandr at gmail.com
Fri May 13 21:18:40 CEST 2011

Call for Papers

LSHC2: Joint ECML/PKDD - PASCAL Workshop on Large-Scale Hierarchical 

September 5, 2011 (as part of the ECML/PKDD 2011 conference)




Hierarchies are becoming ever more popular for the organization of
documents, particularly on the Web (e.g. Web directories). Along with
their widespread use comes the need for automated classification of new
documents to the categories in the hierarchy. Research on large-scale
classification so far has focused on large numbers of documents and/or
large numbers of features, with a limited number of categories. However,
this is not the case in hierarchical category systems, such as DMOZ or
Wikipedia. Approaching this problem, researchers have either extended
existing large-scale classifiers, or have developed new models and methods.

LSHC2 is the second in the series of workshops on large-scale hierarchical
classification. The workshop aims at bringing together researchers and
practitioners of large-scale category systems and thus welcomes theoretical
studies, as well as studies reporting the development of large-scale
categorizers or components of such categorizers. In particular, some of the
issues that we expect to cover in the workshop are:

* Learning to classify against many categories
* Data sparseness in the presence of large datasets
* Use of the statistical dependence of hierarchically organized classes
* The role of shrinkage methods in large hierarchies
* Ensemble methods for hierarchical classification
* Extending existing large-scale classifiers to hierarchies
* Computational issues in large-scale categorization
* Challenging hierarchical classification tasks and datasets



* Paper submission - June 20
* Acceptance notification - July 8
* Final paper - July 21



We encourage submissions on all aspects of large-scale categorization,
from purely theoretical work to practical developments of large-scale
categorizers. Submissions must be written in English, following the LNCS
guidelines and must not exceed 12 pages including references and figures.
The Easychair electronic submission system will be used for the papers.
Please, refer to the workshop page for details about the submission format
and process.



George Paliouras, NCSR "Demokritos", Athens, Greece
Eric Gaussier, UJF/LIG, Grenoble, France
Aris Kosmopoulos, NCSR "Demokritos" and AUEB, Athens, Greece
Ion Androutsopoulos, AUEB, Athens, Greec
Thierry Artières, LIP6, Paris, France
Patrick Gallinari, LIP6, Paris, France

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