Warren S. Sarle's Bibliography on Cluster Analysis - Useful clustering literature collected by Warren S. Sarle and originally published in the SAS/STAT User's Guide (1990) - ftp://ftp.sas.com/pub/neural/clus_bib.txt
Bibliography on Automated Text Categorization - Maintained by F. Sebastiani. About 200 online publications and 300 references. - http://liinwww.ira.uka.de/bibliography/Ai/automated.text.categorization.html
Bibliography of SOM papers - A collection of works that have been based on the Self-Organizing Map (SOM) method developed by Kohonen - http://www.cis.hut.fi/research/refs/
Bibliography of MLDM - Workshop on Machine Learning and Data Mining in Pattern Recognition. Since 1999. Maintained by DBLP at University of Trier. - http://www.informatik.uni-trier.de/~ley/db/conf/mldm/index.html
Bibliography of ECML - European Conference on Machine Learning. Since 1987. Maintained by DBLP at University of Trier. - http://www.informatik.uni-trier.de/~ley/db/conf/ecml/index.html
Bibliography of COLT - Computational Learning Theory. Since 1988. Maintained by DBLP at University of Trier. - http://www.informatik.uni-trier.de/~ley/db/conf/colt/index.html
Bibliography of ALT - Annual Algorithmic Learning Theory conference. Since 1990. Maintained by DBLP at University of Trier. - http://www.informatik.uni-trier.de/~ley/db/conf/alt/index.html
Biblioghaphy of ICML - International Conference on Machine Learning. Since 1988. Maintained by DBLP at University of Trier. - http://www.informatik.uni-trier.de/~ley/db/conf/icml/index.html
Bibliography of EuroCOLT - European Conference on Computational Learning Theory. Since 1993. Maintained by DBLP at University of Trier. - http://www.informatik.uni-trier.de/~ley/db/conf/eurocolt/index.html