Registration problem

Apparently there is a problem with the registration form. It does not send the email with the password.
Please contact Ioannis Partalas at the following email ioannis[dot]partalas[at]gmail[dot]com
Apologies for the inconvenience.

Cite the datasets

Please cite the following paper if you use datasets from LSHTC:
LSHTC: A Benchmark for Large-Scale Text Classification, Ioannis Partalas, Aris Kosmopoulos, Nicolas Baskiotis, Thierry Artieres, George Paliouras, Eric Gaussier, Ion Androutsopoulos, Massih-Reza Amini, Patrick Galinari, CoRR abs/1503.08581, 2015

LSHTC4 at Kaggle

We are pleased to annouce that Track 1: Very Large Scale Supervised Learning is hosted in Kaggle.

Please upload your results in the following page

The first place will be awarded with an iPad Air.

Workshop accepted in WSDM 2014

We are pleased to announce that a workshop (Web-Scale Classification: Classifying Big Data from the Web) has been accepted in WSDM 2014.

Start of evaluation

Evaluation starts the 5th of August. Please, upload your results in the evaluation section

New date for evaluation

The evaluation will start August 5 instead of 31 of July.

LSHTC4 starts

We are pleased to announce the fourth edition of the LSHTC challenge. This year’s challenge comprises three tracks and is based on two large datasets created from the ODP web directory (DMOZ) and Wikipedia. The datasets are multi-class, multi-label and hierarchical. The number of categories ranges between 13,000 and 325,000 and the number of documents between 380,000 and 2,400,000.
The tracks of the challenge are organized as follows:
1. Very Large Scale Supervised Learning on a large collection from Wikipedia

Workshop Schedule

Here you can find the schedule of the workshop at ECML/PKDD 2012.

LSHC3 Workshop

We are pleased to announce the organization of the ECML/PKDD - PASCAL Discovery Challenge Workshop on Large-Scale Hierarchical Classification.
For more information please refer to the call for papers.


We would like to inform you that the evaluation system will be open until 30/06 17:00 CEST (UTC+2).

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