December 2011, Volume 13, Issue 2
Editor in Chief
Bart Goethals (University of Antwerp)
Associate Editors
Charu Aggarwal (IBM T.J. Watson Research Center)
Srinivasan Parthasarathy (The Ohio State University )
Ankur M. Teredesai (University of Washington)

ARTICLES
Process Mining: Making Knowledge Discovery Process Centric [45]
Wil van der Aalst
Survey on Web Spam Detection: Principles and Algorithms [50]
Nikita Spirin, Jiawei Han
A Study on the Importance of and Time Spent on Different Modeling Steps [65]
M. Arthur Munson
WORKSHOP REPORTS
The Eleventh Workshop on Multimedia Data Mining []
Aaron Baughman, Jia-Yu Pan, Jiang (John) Gao
Learning from Medical Data Streams - AIME 2011 Workshop Report []
Pedro Pereira Rodrigues, Mykola Pechenizkiy, Mohamed Medhat Gaber, Joâo Gama
KDD 2012
A Conversation with the Chinese KDD Leaders [72]
Qiang Yang
A Conversation with Dr. Edward Y. Chang [73]
Edward Y. Chang
A Conversation with Professors Deyi Li and Jie Tang [75]
Deyi Li, Jie Tang
A Conversation with Professor Jianzhong Li [77]
Jianzhong Li
A Conversation with Professor Ruqian Lu et al. [79]
Shuigeng Zhou, Fei Wang, Shanfeng Zhu, Caiyan Jia, Qiwen Dong, Ruqian Lu
A Conversation with MSRA Researchers [82]
Wei-Ying Ma, Zheng Chen, Hang Li, Tie-Yan Liu, Zaiqing Nie, Haixun Wang, Ji-Rong Wen, Xing Xie, Yu Zheng
A Conversation with Professor Bole Shi [85]
Bole Shi
A Conversation with Dr. Yong Shi [87]
Yong Shi
A Conversation with Professor Zhongzhi Shi [89]
Zhongzhi Shi
A Conversation with Dr. Haifeng Wang [91]
Haifeng Wang
A Conversation with Professor Shan Wang et al. [92]
Shan Wang, Cuiping Li, Hong Chen
A Conversation with Professor Bo Zhang [97]
Bo Zhang
A Conversation with Professor Li-Zhu Zhou [100]
Li-Zhu Zhou
A Conversation with Professor Zhi-Hua Zhou [101]
Zhi-Hua Zhou
An Introduction to SIGKDD and A Reflection on the Term ‘Data Mining’ [103]
Gregory Piatetsky-Shapiro, Usama Fayyad