\begin{itemize}
  \item {\bf KDD 2016}, 22nd ACM SIGKDD International Conference on 
    Knowledge Discovery and Data Mining, San Francisco, USA, August 2016.
  \item {\bf KDD 2015}, 21st ACM SIGKDD International Conference on 
    Knowledge Discovery and Data Mining, Sydney, Australia, August 2015.
  \item {\bf IAAI 2014}, 27th Conference on Innovative Applications of Artificial Intelligence,
    Austin, USA, Jan 2014.
\end{itemize}


