Links
My personal blog (in Turkish): blog.mustafabaydogan.com
Institute for Operations Research and Management Science (INFORMS): www.informs.org
Data Mining (DM) Section @ INFORMS: www.informs.org/Community/Data-Mining-Section/
R-project (Statistical Computing): http://www.r-project.org/
scikit-learn: machine learning in Python: http://scikit-learn.org/stable/
if you are interested in data mining challenges: http://www.kaggle.com/
Dia (GTK+ based diagram creation): https://live.gnome.org/Dia
Arizona Turkish Folk Dancers: http://www.arizonaturkishfolkdancers.com/
Fun stuff: http://proteas.microlab.ntua.gr/ksiop/phd_funny/index.html
Music: http://www.yalandolan.org/