December 2010, Volume 12, Issue 2
Special Issue: Unexpected Results
Editor in Chief
Bart Goethals (University of Antwerp )
Associate Editors
Charu Aggarwal (IBM T.J. Watson Research Center )
Srinivasan Parthasarathy (The Ohio State University )
Guest Editors
Christophe Giraud-Carrier (Brigham Young University)
Margaret H. Dunham (Southern Methodist University)

Special Issue: Unexpected Results
Special Issue
On the Importance of Sharing Negative Results [3]
Christophe Giraud-Carrier, Margaret H. Dunham
Latent Semantic Indexing (LSI) Fails for TREC Collections [5]
Avinash Atreya, Charles Elkan
On Cross-Validation and Stacking: Building Seemingly Predictive Models on Random Data [11]
Claudia Perlich, Grzegorz Swirszcz
Limitations of Matrix Completion via Trace Norm Minimization [16]
Xiaoxiao Shi, Philip S. Yu
On Exploiting Hierarchical Label Structure with Pairwise Classifiers [21]
Johannes Fürnkranz, Jan Frederik Sima
Unexpected Results in Automatic List Extraction on the Web [26]
Tim Weninger, Fabio Fumarola, Rick Barber, Jiawei Han, Donato Malerba
Unexpected Results in Online Controlled Experiments [ [31]
Ron Kohavi, Roger Longbotham
Inactive Learning? Difficulties Employing Active Learning in Practice [36]
Josh Attenberg, Foster Provost
REPORTS
ISI-KDD: SIGKDD Workshop on Intelligence and Security Informatics 2010 [42]
Christopher C. Yang, Hsinchun Chen
Tenth International Workshop on Multimedia Data Mining [44]
Valery A. Petrushin, Jia-Yu Pan, Cees G.M. Snoek
MultiClust 2010: Discovering, Summarizing and Using Multiple Clusterings [47]
Xiaoli Z. Fern, Ian Davidson, Jennifer G. Dy
Knowledge Discovery from Sensor Data (SensorKDD) [50]
Varun Chandola, Olufemi A. Omitaomu, Auroop R. Ganguly, Ranga R. Vatsavai, Nitesh V. Chawla, João Gama, Mohamed M. Gaber
Novel Data Stream Pattern Mining: Report on the StreamKDD'10 Workshop [54]
Margaret H. Dunham, Michael Hahsler, Myra Spiliopolou
Useful Patterns (UP'10): ACM SIGKDD Workshop Report [56]
Jilles Vreeken, Nikolaj Tatti, Bart Goethals
Computation in Large-Scale Scientific and Internet Data Applications is a Focus of MMDS 2010 [59]
Michael W. Mahoney
Eighth Workshop on Mining and Learning with Graphs [63]
Ulf Brefeld, Lise Getoor, Sofus A. Macskassy
Selected Articles from KDD 2010 Workshops
Topic-Based Social Network Analysis for Virtual Communities of Interests in the Dark Web [66]
Gaston L'Huillier, Hector Alvarez, Sebastián A. Ríos, Felipe Aguilera
Activity Recognition using Cell Phone Accelerometers [74]
Jennifer R. Kwapisz, Gary M. Weiss, Samuel A. Moore
Fully Decentralized Computation of Aggregates over Data Streams [83]
Luca Becchetti, Ilaria Bordino, Stefano Leonardi, Adi Rosen
A framework for mining interesting pattern sets [92]
Tijl De Bie, Kleanthis-Nikolaos Kontonasios, Eirini Spyropoulou