Conference program

Tuesday, Feb 5th.

19.00 Welcome reception

Wednesday, Feb 6th.

Thursday, Feb 7th | Friday, Feb 8th

8:00 - 9:00 Registration

9.00 - 9.20 WSDM Opening: Stefano Leonardi and Alessandro Panconesi

9.20 - 10.20 Keynote 1: Duncan Watts. The Virtual Lab
chair: Ricardo Baeza Yates

10:20 - 10:50 Coffee Break

Session 1: Social networks and information dynamics
chair: Paolo Boldi

• 10:50 - 11:10 Greg Ver Steeg and Aram Galstyan. 

  Information-Theoretic Measures of Influence Based on Content Dynamics
• 11:10 - 11:30 Lars Backstrom, Jon Kleinberg, Lillian Lee and Cristian Danescu-Niculescu-Mizil.
  
Making Conversation: Characterizing and Curating Conversational Threads
• 11:30 - 11:50 Manuel Gomez Rodriguez, Jure Leskovec and Bernhard Schölkopf. 

  Structure and Dynamics of Information Pathways in On-line Media
• 11:50 - 12:10 Nicola Barbieri, Francesco Bonchi and Giuseppe Manco.
  Cascade-based Community Detection
• 12:10 - 12:30 Sen Wu, Jimeng Sun and Jie Tang. 

  Patent Partner Recommendation in Enterprise Social Networks
• 12:30 - 12:50 Jiliang Tang, Huiji Gao, Xia Hu and Huan Liu. 

  Exploiting Homophily Effect for Trust Prediction

12:50 - 14:20 Lunch

14:20 - 16:00 Session 2: Searching and ranking
chair: Susan Dumais

• Nicola Tonellotto, Craig Macdonald and Iadh Ounis. 

  Efficient and Effective Retrieval using Selective Pruning
• Debmalya Panigrahi and Sreenivas Gollapudi. 

  Document Selection for Tiered Indexing in Commerce Search
• Sebastiano Vigna. 

  Quasi-Succinct Indices
• Wen Hua, Yangqiu Song, Haixun Wang and Xiaofang Zhou.
  
Identifying Users' Topical Tasks in Web Search
• Alexandra Chouldechova and David Mease.
  Differences in Search Engine Evaluations Between Query Owners and Non-Owners  

• Constantinos Dimopoulos, Sergey Nepomnyachiy and Torsten Suel. 

  Optimizing Top-k Document Retrieval Strategies for Block-Max Indexes
• Alex Deng, Ya Xu, Ron Kohavi and Toby Walker. 

  Improving the Sensitivity of Online Controlled Experiments by Utilizing Pre-Experiment Data
• Youngho Kim, Ahmed Hassan and Ryen W. White. 

  Playing by the Rules: Mining Query Associations to Predict Search Performance
• Athanasios N. Nikolakopoulos and John Garofalakis. 

  NCDawareRank: A Novel Ranking Method that Exploits the Decomposable Structure of the Web
• Ravi Kumar, Ronny Lempel, Roy Schwartz and Sergei Vassilvitskii. 

  Rank Quantization
• Gunhee Kim and Eric P Xing. 

  Time-Sensitive Web Image Ranking and Retrieval via Dynamic Multi-Task Regression
• Georges Dupret and Mounia Lalmas. 

  Absence time and user engagement: Evaluating Ranking Functions
• Katja Hofmann, Anne Schuth, Shimon Whiteson and Maarten De Rijke. 

  Reusing Historical Interaction Data for Faster Online Learning to Rank for IR
• Xi Chen, Paul Bennett, Kevyn Collins-Thompson and Eric Horvitz.
  
Pairwise Ranking Aggregation in a Crowdsourced Setting

16:00 - 16:30 Cofee Break

Session 3: Large-scale data and social networks
chair: Jon Kleinberg

• 16:30 - 16:50 Maha Alabduljalil, Xun Tang and Tao Yang. 

  Optimizing Parallel Algorithms for All Pairs Similarity Search
• 16:50 - 17:10 Milad Eftekhar, Nick Koudas and Yashar Ganjali. 

  Bursty subgraphs in social networks
• 17:10 - 17:30 Quang Duong, Sharad Goel, Jake Hofman and Sergei Vassilvitskii.
  
Sharding Social Networks
• 17:30 - 17:50 Shaomei Wu, Atish Das Sarma, Alex Fabrikant, Silvio Lattanzi and Andrew Tomkins. 

  Arrival and Departure Dynamics in Social Networks

18:00 - 20:00 Poster session and reception

Thursday, Feb 7th.

Wednesday, Feb 6th | Friday, Feb 8th

8:30 - 9:00 Registration

9.00 - 10.00 Keynote 2: Catherine Tucker. Three Findings Concerning Protecting Consumer Privacy Online
chair: Paolo Ferragina

10:00 - 10:20 Best Paper Award
chair: Paolo Ferragina

Filip Radlinski and Nick Craswell. 
Optimized Interleaving for Online Retrieval Evaluation

10:20 - 10:50 Coffee Break

Session 4: Web and usage mining
chair: Marc Najork

• 10:50 - 11:10 Kira Radinsky and Eric Horvitz.
  
Mining the Web to Predict Future Events
• 11:10 - 11:30 Bogdan State, Ingmar Weber and Emilio Zagheni. 

  Studying Migration and Tourism Patterns Through IP Geolocation
• 11:30 - 11:50 Ilaria Bordino, Gianmarco De Francisci Morales, Ingmar Weber and Francesco Bonchi. 

  From Machu_Picchu to "rafting the urubamba river": Anticipating information needs via the Entity-Query Graph
• 11:50 - 12:10 Carsten Eickhoff, Kevyn Collins-Thompson, Paul Bennett and Susan Dumais. 

  Personalizing Atypical Web Search Sessions  
• 12:10 - 12:30 Nadav Golbandi, Liran Katzir, Yehuda Koren and Ronny Lempel.
  
Expediting Search Trend Detection via Prediction of Query Counts  
• 12:30 - 12:50 Lei Li and Tao Li.
  
News Recommendation via Hypergraph Learning: Encapsulation of User Behavior and News Content

12:50 - 14:20 Lunch

14:20 - 16:00 Session 5: Web mining, prediction, and recommendation
chair: Fabrizio Silvestri

• Lu Bai, Jiafeng Guo, Yanyan Lan and Xueqi Cheng. 

  Group Sparse Topical Coding: From Code to Topic
• Yongtao Ma and Thanh Tran.
  
Type-specific Unsupervised Learning of Keys for Heterogeneous Web Data Integration
• Nick Craswell, Bodo Billerbeck, Dennis Fetterly and Marc Najork.
  
Robust Query Rewriting using Anchor Data  
• Peng Jiang, Huiman Hou, Lijiang Chen, Shimin Chen, Conglei Yao, Chengkai Li and Min Wang. 

  Wiki3C: Exploiting Wikipedia for Context-aware Concept Categorization
• Yeye He, Dong Xin, Venky Ganti, Sriram Rajaraman and Nirav Shah. 

  Crawling deep web entity pages
• Henrique Pinto, Jussara Almeida and Marcos Goncalves. 

  Using Early View Patterns to Predict the Popularity of YouTube Videos
• Takeshi Kurashima, Tomoharu Iwata, Takahide Hoshide, Noriko Takaya and Ko Fujimura. 

  Geo Topic Model: Joint Modeling of User’s Activity Area and Interests for Location Recommendation
• Amr Ahmed, Bhargav Kanagal, Sandeep Pandey, Vanja Josifovski, Lluis Garcia and Jeff Yuan
  
Latent Factor Models with Additive Hierarchically-smoothed User Preferences
• Peifeng Yin, Ping Luo, Wang-Chien Lee and Min Wang.
  
App Recommendation: A Contest between Satisfaction and Temptation
• Nir Ailon, Zohar S. Karnin, Edo Liberty and Yoelle Maarek. 

  Threading Machine Generated Email
• Kira Radinsky and Paul Bennett. 

  Predicting Content Change on the Web
• Fuzhen Zhuang, Ping Luo, Changying Du, Qing He and Zhongzhi Shi. 

  Triplex Transfer Learning: Exploiting both Shared and Distinct Concepts for Text Classification
• Marios Kokkodis and Panos Ipeirotis.
  
Predicting performance using inter-category reputation.
• Mingxuan Sun, Fuxin Li, Joonseok Lee, Ke Zhou, Guy Lebanon and Hongyuan Zha.
  
Learning Multiple-Question Decision Trees for Cold-Start Recommendation

16:00 - 16:30 Cofee Break

Session 6: Learning and modeling
chair: Jennifer Neville

• 16:30 - 16:50 Jing Liu, Fan Zhang, Xinying Song, Young-In Song and Chin-Yew Lin.
  
What's in a Name? An Unsupervised Approach to Link Users across Communities
• 16:50 - 17:10 Hao Xia, Pengcheng Wu and C.H. Hoi. 

  Online Multi-modal Distance Learning for Scalable Multimedia Retrieval
• 17:10 - 17:30 Ioana Hulpus, Conor Hayes, Marcel Karnstedt and Derek Greene. 

  Unsupervised Graph-Based Topic Labelling using DBPedia  
• 17:30 - 17:50 Tanaka Shinya, Adam Jatowt, Makoto Kato and Katsumi Tanaka.
  
Estimating Content Concreteness for Finding Comprehensible Documents
• 17:50 - 18:10 Pradipto Das, Rohini Srihari and Jason Corso. 

  Translating Related Words to Videos and Back through Latent Topics

20.00 Gala dinner

Friday, Feb 8th.

Wednesday, Feb 6th | Thursday, Feb 7th

8:30 - 9:00 Registration

9.00 - 10.00 Keynote 3: Qiang Yang. Big Data, Lifelong Machine Learning and Transfer Learning
chair: Aristides Gionis

10:00 - 10:20 Best Student Paper Award
chair: Aristides Gionis

Johan Ugander and Lars Backstrom. 
Balanced label propagation for partitioning massive graphs

10:20 - 10:50 Coffee Break

Session 7: Social media
chair: Silvio Lattanzi

• 10:50 - 11:10 Yelena Mejova, Padmini Srinivasan and Bob Boynton. 

  GOP Primary Season on Twitter: "Popular" Political Sentiment in Social Media
• 11:10 - 11:30 Yi Chang, Xuanhui Wang, Qiaozhu Mei and Yan Liu.
  
Towards Twitter Context Summarization with User Influence Models
• 11:30 - 11:50 Xia Hu, Lei Tang, Jiliang Tang and Huan Liu. 

  Exploiting Social Relations for Sentiment Analysis in Microblogging
• 11:50 - 12:10 Dawei Yin, Shengbo Guo, Boris Chidlovskii, Brian Davison, Cedric Archambeau and Guillaume Bouchard. 

  Connecting Comments and Tags: Improved Modeling of Social Tagging Systems
• 12:10 - 12:30 Liangjie Hong, Aziz Doumith and Brian Davison. 

  Co-Factorization Machines: Modeling User Interests and Predicting Individual Decisions in Twitter
• 12:30 - 12:50 Lidong Bing, Wai Lam and Tak-Lam Wong. 

  Wikipedia Entity Expansion and Attribute Extraction from the Web Using Semi-supervised Learning

12:50 - 14:30 Business Lunch
chair: Ricardo Baeza Yates

14:30 - 16:00 Session 8: Mining of web and social data
chair: Carlos Castillo

• Wei Feng and Jianyong Wang. 

  Retweet or not? Personalized Tweet Re-ranking
• Jaewon Yang and Jure Leskovec. 

  Overlapping community detection at scale: A Nonnegative Matrix Factorization Approach
• Jun Zhang, Chaokun Wang, Jianmin Wang and Philip S. Yu.
  
LaFT-Tree: Perceive the Expansion Trace of One's Circle of Friends in Online Social Networks
• Mohamed Ahmed, Stella Spagna, Felipe Huici and Saverio Niccolini.
  
A Peek into the Future: Predicting the Evolution of Popularity in User Generated Content
• Guo-Jun Qi, Charu Aggarwal and Thomas Huang. 

  Online Community Detection in Social Sensing
• Przemyslaw Grabowicz, Luca Maria Aiello, Víctor Eguíluz and Alejandro Jaimes.
  
Distinguishing Topical and Social Groups Based on Common Identity and Bond Theory
• Adam Sadilek and Henry Kautz. 

  Modeling the Impact of Lifestyle on Health at Scale
• Rongjing Xiang and Jennifer Neville. 

  Collective Inference for Network Data with Copula Latent Markov Networks
• Yanhua Li, Wei Chen, Yajun Wang and Zhi-Li Zhang. 

  Influence Diffusion Dynamics and Influence Maximization in Social Networks with Friend and Foe Relationships
• Ryan Rossi, Brian Gallagher, Jennifer Neville and Keith Henderson. 

  Modeling Dynamic Behavior in Large Evolving Graphs
• Konstantin Kutzkov and Rasmus Pagh. 

  On the streaming complexity of computing local clustering coefficients
• Wei Wu and Hang Li.
  
Learning Query and Document Similarities from Click-through Bipartite Graph with Metadata

 
16:00 - 16:30 Coffee Break

Session 9: Search
chair: Brian Davison

• 16:30 - 16:50 Chinmay Karande, Aranyak Mehta and Ramakrishnan Srikant. 

  Optimizing Budget Constrained Spend in Search Advertising
• 16:50 - 17:10 Yu Wang, Xiao Huang and Ryen White. 

  Characterizing and Supporting Cross-Device Search Tasks
• 17:10 - 17:30 Blake Shaw, Jon Shea, Siddhartha Sinha and Andrew Hogue.
  
Learning to Rank for Spatiotemporal Search
• 17:30 - 17:50 Knut Magne Risvik, Trishul Chilimbi, Henry Setiawan, Chris Anderson and Karthik Kalyanaraman. 

  Maguro, a system for indexing and searching over very large text collections

17:50 - 18:00 Closing