Accepted papers

Full Papers for regular oral presentation

An N-Gram Topic Model for Time-Stamped Documents
Shoaib Jameel (The Chinese University of Hong Kong, Hong Kong), Wai Lam (The Chinese University of Hong Kong, Hong Kong)
Combining Recency and Topic-Dependent Temporal Variation for Microblog Search
Taiki Miyanishi (Graduate School of System Informatics Kobe University, Japan), Kazuhiro Seki (Graduate School of System Informatics Kobe University, Japan), Kuniaki Uehara (Graduate School of System Informatics Kobe University, Japan)
Training Efficient Tree-Based Models for Document Ranking
Nima Asadi (University of Maryland, College Park, United States of America), Jimmy Lin (University of Maryland, College Park, United States of America)
Subjectivity annotation of the Microblog 2011 Realtime Adhoc relevance judgments
Georgios Paltoglou (University of Wolverhampton, United Kingdom), Kevan Buckley (University of Wolverhampton, United Kingdom)
Semantic Tagging of Places based on User Interest Profiles
Vinod Kumar Hegde (Digital Enterprise Research Institute, Ireland), Josiane Xavier Parreira (Digital Enterprise Research Institute, Ireland), Manfred Hauswirth (Digital Enterprise Research Institute, Ireland)
Sponsored Search Ad Selection by Keyword Structure Analysis
Kai Hui (University of Chinese Academy of Sciences, China), Bin Gao (Microsoft Research Asia), Ben He (University of Chinese Academy of Sciences, China), Tiejian Luo (University of Chinese Academy of Sciences, China)
Cognitive Temporal Document Priors
Maria-Hendrike Peetz (University of Amsterdam, Netherlands), Maarten de Rijke (University of Amsterdam, Netherlands)
Improving Video Search through Serious-game Data
Riste Gligorov (VU Amsterdam, Netherlands), Michiel Hildebrand (VU Amsterdam, Netherlands), Jacco van Ossenbruggen (VU Amsterdam, CWI Amsterdam, Netherlands), Lora Aroyo (VU Amsterdam, Netherlands), Guus Schreiber (VU Amsterdam, Netherlands)
Exploiting User Comments for Audio-visual Content Indexing and Retrieval
Carsten Eickhoff (Delft University of Technology, Netherlands), Wen Li (Delft University of Technology, Netherlands), Arjen P. de Vries (Centrum Wiskunde/Informatica, Netherlands)
Using Document-Quality Measures to Predict Web-Search Effectiveness
Fiana Raiber (Technion - Israel Institute of Technology, Israel), Oren Kurland (Technion - Israel Institute of Technology, Israel)
Open-set Classification for Automated Genre Identification
Dimitrios Pritsos (Aegean University, Greece), Efstathios Stamatatos (Aegean University, Greece)
Geo-spatial Event Detection in the Twitter Stream
Maximilian Walther (AGT International, Germany), Michael Kaisser (AGT International, Germany)
Extracting Event-Related Information from Article Updates in Wikipedia
Mihai Georgescu (L3S Research Center / Leibniz Universität Hannover, Germany), Nattiya Kanhabua (L3S Research Center / Leibniz Universität Hannover, Germany), Daniel Krause (L3S Research Center / Leibniz Universität Hannover, Germany), Wolfgang Nejdl (L3S Research Center / Leibniz Universität Hannover, Germany), Stefan Siersdorfer (L3S Research Center / Leibniz Universität Hannover, Germany)
Semantic Search Log k-Anonymization with Generalized k-Cores of Query Concept Graph
Claudio Carpineto (Fondazione Ugo Bordoni, Italy), Giovanni Romano (Fondazione Ugo Bordoni, Italy)
A Joint Classification Method to Integrate Scientific and Social Networks
Mahmood Neshati (Sharif University of Technology, Iran), Ehsaneddin Asgari (School of Computer and Communication Science (IC), Ecole Polytechnique Fédérale de Lausanne - EPFL), Djoerd Hiemstra (Database Research Group, Electrical Engineering, Mathematics and Computer Science (EEMCS) Department, University of Twente), Hamid Beigy (Sharif University of Technology, Iran)
An Exploratory Study of Sensemaking in Collaborative Information Seeking
Yihan Tao (Queen Mary, University of London, United Kingdom), Anastasios Tombros (Queen Mary, University of London, United Kingdom)
Predicting Information Diffusion in Social Networks using Content and User’s Profiles
Cedric Lagnier (IMAG, France), Ludovic Denoyer (UPMC - LIP6, France), Eric Gaussier (IMAG, France), Patrick Gallinari (UPMC - LIP6, France)
Folktale classification using learning to rank
Dong Nguyen (Twente University, Netherlands, The), Dolf Trieschnigg (Twente University, Netherlands), Mariet Theune (Twente University, Netherlands)
Intent-based browsing activity segmentation
Yury Ustinovskiy (Yandex, Russian Federation), Anna Mazur (Yandex, Russian Federation), Pavel Serdyukov (Yandex, Russian Federation)
Understanding Relevance: An fMRI Study
Yashar Moshfeghi (University of Glasgow, United Kingdom), Luisa Pinto (University of Glasgow, United Kingdom), Frank Pollick (University of Glasgow, United Kingdom), Joemon M. Jose (University of Glasgow, United Kingdom)
Using Intent Information to Model User Behavior in Diversified Search
Aleksandr Chuklin (Yandex, Russia; ISLA, University of Amsterdam), Pavel Serdyukov (Yandex, Russia), Maarten de Rijke (ISLA, University of Amsterdam)
Ranked Accuracy and Unstructured Distributed Search
Sami Richardson (University College London, United Kingdom), Ingemar J. Cox (University College London, United Kingdom)
Influence of Timeline and Named-entity Components on User Engagement
Yashar Moshfeghi (University of Glasgow, United Kingdom), Michael Matthews (Yahoo! Research Lab, Spain), Roi Blanco (Yahoo! Research Lab, Spain), Joemon M. Jose (University of Glasgow, United Kingdom)
Aggregating Evidence from Hospital Departments to Improve Medical Records Search
Nut Limsopatham (University of Glasgow, United Kingdom), Craig Macdonald (University of Glasgow, United Kingdom), Iadh Ounis (University of Glasgow, United Kingdom)
Learning to Rank from Structures in Hierarchical Text Classification
Alessandro Moschitti (University of Trento, Italy), Qi Ju (University of Trento, Italy), Richard Johansson (University of Gothenburg , Sweden)
Multimodal Re-ranking of Product Image Search Results
Joyce Miranda dos Santos (Federal University of Amazonas (UFAM), Brazil), João Marcos Bastos Cavalcanti (Federal University of Amazonas (UFAM), Brazil), Patrícia Correia Saraiva (Federal University of Amazonas (UFAM), Brazil), Edleno Silva de Moura (Federal University of Amazonas (UFAM), Brazil)
A Unified Framework for Monolingual and Cross-Lingual Relevance Modeling Based on Probabilistic Topic Models
Ivan Vulić (Department of Computer Science, KU Leuven, Belgium), Marie-Francine Moens (Department of Computer Science, KU Leuven, Belgium)
Using WordNet Hypernyms and Dependency Features for Phrasal-level Event Recognition and Type Classification
Yoonjae Jeong (KAIST, Korea, Republic of (South Korea)), Sung-Hyon Myaeng (KAIST, Korea, Republic of (South Korea))
How Tagging Pragmatics Influence Tag Sense Discovery in Social Annotation Systems
Thomas Niebler (University of Wuerzburg, Germany), Philipp Singer (Knowledge Management Institute, Graz University of Technology), Dominik Benz (Knowledge and Data Engineering Group, University of Kassel), Christian Körner (Knowledge Management Institute, Graz University of Technology), Markus Strohmaier (Knowledge Management Institute, Graz University of Technology), Andreas Hotho (University of Wuerzburg, Germany)
DTD-based costs for Tree-Edit distance in Structured Information Retrieval
Cyril Laitang (IRIT, France), Karen Pinel-Sauvagnat (IRIT, France), Mohand Boughanem (IRIT, France)

Full Papers for short oral and poster presentation

Discovery and Analysis of Evolving Topical Social Discussions on Unstructured Microblogs
Kanika Narang (IBM Research India, India), Seema Nagar (IBM Research India, India), Sameep Mehta (IBM Research India, India), L V Subramaniam (IBM Research India, India), Kuntal Dey (IBM Research India, India)
Ontology-Based Word Sense Disambiguation in the Scientific Domain
Roman Prokofyev (University of Fribourg, Switzerland), Gianluca Demartini (University of Fribourg, Switzerland), Philippe Cudré-Mauroux (University of Fribourg, Switzerland), Alexey Boyarsky (Instituut-Lorentz for Theoretical Physics, Universiteit Leiden, Leiden, The Netherlands), Oleg Ruchayskiy (CERN TH-Division, PH-TH, Geneva 23, Switzerland)
Being confident about the quality of the predictions in Recommender Systems
Juan F. Huete (University of Granada, Spain), Sergio Cleger-Tamayo (University of Holguin, Cuba), Juan M. Fernández-Luna (University of Granada, Spain), Nava Tintarev (University of Aberdeen, UK)
Recommending High Utility Query via Session-Flow Graph
Xiaofei Zhu (Institute Of Computing Technology, Chinese Academy Of Sciences,Beijing, China; L3S Research Center, Hanover, Germany), Jiafeng Guo (Institute Of Computing Technology, Chinese Academy Of Sciences,Beijing, China), Xueqi Cheng (Institute Of Computing Technology, Chinese Academy Of Sciences,Beijing, China), Yanyan Lan (Institute Of Computing Technology, Chinese Academy Of Sciences,Beijing, China), Wolfgang Nejdl (L3S Research Center, Hanover, Germany)
A Language Modeling Approach for Extracting Translation Knowledge from Comparable Corpora
Razieh Rahimi (University of Tehran, Iran), Azadeh Shakery (University of Tehran, Iran)
Latent Factor Blockmodel for Modelling Relational Data
Sheng GAO (PRIS - Beijing University of Posts and Telecommunications, China, People's Republic of), Patrick GALLINARI (LIP6 - Université Pierre et Marie CURIE)
Improving ESA with Document Similarity
Tamara Polajnar (National University of Ireland, Galway, Ireland), Nitish Aggarwal (National University of Ireland, Galway, Ireland), Kartik Assoja (Departamento de Inteligencia Artificial Universidad Politécnica de Madrid), Paul Buitelaar (National University of Ireland, Galway, Ireland)
A Versatile Tool for Privacy-Enhanced Web Search
Avi Arampatzis (Democritus University of Thrace, Greece), George Drosatos (Democritus University of Thrace, Greece), Pavlos S. Efraimidis (Democritus University of Thrace, Greece)
Example Based Entity Finding in the Web of Data
Marc Bron (University of Amsterdam, Netherlands), Krisztian Balog (Norwegian University of Science and Technology, Dept. of Computer and Information Science), Maarten de Rijke (University of Amsterdam, Netherlands)
Web Credibility: Features Exploration and Credibility Prediction
Alexandra Olteanu (EPFL, Switzerland), Stanislav Peshterliev (EPFL, Switzerland), Xin Liu (EPFL, Switzerland), Karl Aberer (EPFL, Switzerland)
Comparing Crowd-based, Game-based, and Machine-based Approaches in Initial Query and Query Refinement Tasks
Christopher Harris (The University of Iowa, USA), Padmini Srinivasan (The University of Iowa, USA)
Reducing the Uncertainty in Resource Selection
Ilya Markov (University of Lugano, Switzerland), Leif Azzopardi (University of Glasgow, UK), Fabio Crestani (University of Lugano, Switzerland)
Estimation of the Collection Parameter of Information Models for IR
Parantapa Goswami (Université Joseph Fourier Grenoble 1, France), Eric Gaussier (Université Joseph Fourier Grenoble 1, France)
Query Suggestions for Textual Problem Solution Repositories
Deepak P (IBM Research - India, India), Sutanu Chakraborti (Indian Institute of Technology Madras, India), Deepak Khemani (Indian Institute of Technology Madras, India)
Using Text-based Web Image Search Results Clustering to Minimize Mobile Devices Wasted Space Interface
Jose G Moreno (University of Caen - Lower Normandy, France), Gaël Dias (University of Caen - Lower Normandy, France)
URL redirection accounting for improving link-based ranking methods
Maksim Zhukovskii (Yandex, Russian Federation), Gleb Gusev (Yandex, Russian Federation), Pavel Serdyukov (Yandex, Russian Federation)
Exploiting Time in Automatic Image Tagging
Philip McParlane (The University of Glasgow, United Kingdom), Joemon Jose (The University of Glasgow, United Kingdom)
Encoding Local Binary Descriptors by Bag-of-Features with Hamming Distance for Visual Object Categorization
Yu Zhang (liris, France), Chao Zhu (liris, France), Stephane Bres (liris, France), Liming Chen (liris, France)
A Fast Generative Spell Corrector based on Edit Distance
Ishan Chattopadhyaya (AOL, India), Kannappan Sirchabesan (AOL, India), Krishanu Seal (AOL, India)
Hybrid Query Scheduling for a Replicated Search Engine
Ana Freire (University of A Coruña, Spain), Craig Macdonald (University of Glasgow, UK), Nicola Tonellotto (National Research Council of Italy, Italy), Iadh Ounis (University of Glasgow, UK), Fidel Cacheda (University of A Coruña, Spain)
Two-Stage Learning to Rank for Information Retrieval
Van Dang (University of Massachusetts Amherst, USA), Michael Bendersky (University of Massachusetts Amherst, USA), Bruce Croft (University of Massachusetts Amherst, USA)
Updating Users About Time Critical News Events
Qi Guo (Emory University), Fernando Diaz (Microsoft Research), Elad Yom-Tov (Microsoft Research)
Increasing Stability of Result Organization for Session Search
Dongyi Guan (Georgetown University, USA), Hui Yang (Georgetown University, USA)
Content-Based Re-ranking of Text-Based Image Search Results
Franck Thollard (Université Joseph Fourier, France), Georges Quénot (CNRS)
Exploiting Relevance, Novelty and Diversity in Tag Recommendation
Fabiano Muniz Belém (Universidade Federal de Minas Gerais, Brazil), Eder Ferreira Martins (Universidade Federal de Minas Gerais, Brazil), Marcos André Gonçalves (Universidade Federal de Minas Gerais, Brazil), Jussara Marques Almeida (Universidade Federal de Minas Gerais, Brazil)

Short Papers for poster presentation

Classification of Opinion Questions
Hongping Fu (Beijing Institute of Technology, China), Chunxia Zhang (Beijing Institute of Technology, China), Peng Jiang (HP Labs China), Lu Wang (Beijing Institute of Technology, China), Zhendong Niu (Beijing Institute of Technology, China)
Leveraging Microblogs for Spatiotemporal Music Information Retrieval
Markus Schedl (Johannes Kepler University (JKU), Austria)
A Topic Person Multi-polarization Method using Friendship Network Analysis
Zhong-Yong Chen (National Taiwan University, Taiwan, Republic of China), Chien Chin Chen (National Taiwan University, Taiwan, China)
Improving cyberbullying detection with user context
Maral Dadvar (Human Media Interaction Group, University of Twente), Dolf Trieschnigg (Database Group. University of Twente), Roeland Ordelman (Human Media Interaction Group, University of Twente), Franciska de Jong (Human Media Interaction Group, University of Twente)
Risk Ranking from Financial Reports
Ming-Feng Tsai (National Chengchi University, Taiwan, China), Chuan-Ju Wang (Taipei Municipal University of Education, Taiwan, China)
Late Data Fusion for Microblog Search
Shangsong Liang (University of Amsterdam, The Netherlands), Maarten de Rijke (University of Amsterdam, The Netherlands), Manos Tsagias (University of Amsterdam, The Netherlands)
Investigating the relationship between Usage and Findability within Websites
Leif Azzopardi (University of Glasgow, United Kingdom), Colin Wilkie (University of Glasgow, United Kingdom)
A Pilot Study on Using Profile-Based Summarisation for Interactive Search Assistance
Azhar Hasan Alhindi (University of Essex, United Kingdom), Udo Kruschwitz (University of Essex, United Kingdom), Chris Fox (University of Essex, United Kingdom)
Detection of Child Sexual Abuse Media: Classification of the Associated Filenames
Alexander Panchenko (Université catholique de Louvain, Belgium), Hubert Naets (Université catholique de Louvain, Belgium), Richard Beaufort (Université catholique de Louvain, Belgium), Cédrick Fairon (Université catholique de Louvain, Belgium)
Least Squares Consensus Clustering: criteria, methods, experiments
Boris Mirkin (Highest School of Economics, Russian Federation), Andrey Shestakov (Highest School of Economics, Russian Federation)
Time Based Feedback and Query Expansion for Twitter Search
Naveen Kumar (University of Delaware, United States of America), Ben Carterette (University of Delaware, United States of America)
Text Summarization while Maximizing Multiple Objectives with Lagrangian Relaxation
Masaaki Nishino (NTT Communication Science Laboratories, Japan), Norihito Yasuda (NTT Communication Science Laboratories, Japan), Tsutomu Hirao (NTT Communication Science Laboratories, Japan), Jun Suzuki (NTT Communication Science Laboratories, Japan), Masaaki Nagata (NTT Communication Science Laboratories, Japan)
Domain Adaptation of Statistical Machine Translation models with Monolingual Data for Cross Lingual Information Retrieval
Vassilina Nikoulina (XRCE, France), Stephane Clinchant (XRCE, France)
Topic Model for User Reviews with Adaptive Windows
Takuya Konishi (Nara Institute Science and Technology, Japan), Fuminori Kimura (Ritsumeikan University, Japan), Akira Maeda (Ritsumeikan University, Japan)
Exploring Patent Passage Retrieval using Nouns Phrases
Linda Sara Maud Andersson (Vienna University of Technology, Austria), Parvaz Mahdabi (University of Lugano, Switzerland), Allan Hanbury (Vienna University of Technology, Austria), Andreas Rauber (Vienna University of Technology, Austria)
Characterizing Health-Related Community Question Answering
Alexander Beloborodov (Ural Federal University, Russian Federation), Artem Kuznetsov (Ural Federal University, Russian Federation), Pavel Braslavski (Ural Federal University, Russian Federation; Kontur Labs)
Exploiting Click Logs for Adaptive Intranet Navigation
Sharhida Saad (University of Essex, United Kingdom), Udo Kruschwitz (University of Essex, United Kingdom)
Is Intent-Aware Expected Reciprocal Rank Sufficient to Evaluate Diversity?
Teerapong Leelanupab (King Mongkut's Institute of Technology Ladkrabang, Bangkok, Thailand), Guido Zuccon (Australian e-Health Research Centre, CSIRO Brisbane, Australia)
A Task-Specific Query and Document Representation for Medical Records Search
Nut Limsopatham (University of Glasgow, United Kingdom), Craig Macdonald (University of Glasgow, United Kingdom), Iadh Ounis (University of Glasgow, United Kingdom)
Cross-Language Plagiarism Detection using a Multilingual Semantic Network
Marc Franco Salvador (Universidad Politécnica de Valencia, Spain), Parth Gupta (Universidad Politécnica de Valencia, Spain), Paolo Rosso (Universidad Politécnica de Valencia, Spain)
Topic Models Can Improve Domain Term Extraction
Michael Nokel (Moscow State University, Russian Federation), Elena Bolshakova (Moscow State University, Russian Federation), Natalia Loukachevitch (Research Computing Center Moscow State University, Russian Federation)
Improving CORI for Results Merging and Score Normalization
Ilya Markov (University of Lugano, Switzerland), Avi Arampatzis (Democritus University of Thrace, Greece), Fabio Crestani (University of Lugano, Switzerland)
Designing Human-Readable User Profiles for Search Evaluation
Carsten Eickhoff (Delft University of Technology, Netherlands, The), Kevyn Collins-Thompson (Microsoft Research, USA), Paul Bennett (Microsoft Research, USA), Susan Dumais (Microsoft Research, USA)
WANTED: Focused Queries for Focused Retrieval
Georgina Ramirez (Universitat Pompeu Fabra, Spain)
Sentiment Classification Based on Phonetic Characteristics
Sergei Ermakov (Perm State National Research University, Russian Federation), Liana Ermakova (Perm State National Research University, Russian Federation)
Topic-focused Summarization of Chat Conversations
Arpit Sood (IIIT Hyderabad, India), Vasudeva Varma (IIIT Hyderabad, India)
Incremental Reranking for Hierarchical Text Classification
Alessandro Alessandro Moschitti (University of Trento, Italy), Ju Qi (University of Trento, Italy)
Robust PLSA Performs Better Than LDA
Anna Potapenko (Moscow State University, Russian Federation), Konstantin Vorontsov (Moscow State University, Russian Federation; Moscow Institute of Physics and Technology, Russian Federation; Institution of Russian Academy of Sciences Dorodnicyn Computing Centre, Russian Federation)
Detecting Expected and Unexpected Adverse Drug Reactions from User Reviews on Social Media Sites
Andrew Yates (Georgetown University, United States of America), Nazli Goharian (Georgetown University, United States of America), Ophir Frieder (Georgetown University, United States of America)
Optimizing nDCG Gains by Minimizing Effect of Label Inconsistency
Pavel Metrikov (Northeastern University, United States of America), Virgil Pavlu (Northeastern University, United States of America), Javed Aslam (Northeastern University, United States of America)
Lo mejor de dos idiomas -- Cross-lingual linkage of geotagged Wikipedia articles
Dirk Ahlers (UNITEC, Honduras)
A Sub-Sentence Extractive Summarization based on Combinatorial Optimization
Norihito Yasuda (NTT Corporation, Japan), Masaaki Nishino (NTT Corporation, Japan), Tsutomu Hirao (NTT Corporation, Japan), Masaaki Nagata (NTT Corporation, Japan)
The Impact of Temporal Intent Variability on Diversity Evaluation
Ke Zhou (University of Glasgow, Glasgow, United Kingdom), Stewart Whiting (University of Glasgow, Glasgow, United Kingdom), Joemon Jose (University of Glasgow, Glasgow, United Kingdom), Mounia Lalmas (Yahoo! Lab, Barcelona, Spain)
Detecting Friday Night Party Photos: Semantics for Tag Recommendation
Philip McParlane (Glasgow University), Yelena Mejova (Yahoo! Research, Spain), Ingmar Weber (Yahoo! Research, Spain)
Tempo of search actions to modeling successful sessions
Kazuya Fujikawa (Graduate School of Library, Information and Media Studies, University of Tsukuba, Japan), Hideo Joho (Faculty of Library, Information and Media Science, University of Tsukuba, Japan), Shin-ichi Nakayama (Faculty of Library, Information and Media Science, University of Tsukuba, Japan)
Near-Duplicate Detection for Online-Shops Owners: an FCA-based Approach
Dmitry I. Ignatov (National Research University Higher School of Economics, Russian Federation), Andrey V. Konstantinov (National Research University Higher School of Economics, Russian Federation), Yana Chubis (National Research University Higher School of Economics, Russian Federation)
Leveraging Latent Concepts for Retrieving Relevant Ads For Short Text
Ankit Patil (International Institute of Information Technology Hyderabad, India), Kushal Dave (International Institute of Information Technology Hyderabad, India)
Snippet-based Relevance Predictions for Federated Web Search
Thomas Demeester (University of Ghent, Belgium), Dong Nguyen (University of Twente, the Netherlands), Dolf Trieschnigg (University of Twente, the Netherlands), Chris Develder (University of Ghent, Belgium), Djoerd Hiemstra (University of Twente, the Netherlands)

Demo papers

A Web Mining Tool for Assistance with Creative Writing
Boris Galitsky (eBay, United States of America), Sergei O Kuznetsov (Higher School of Economics, Russia)
VisNavi: Citation Context Visualization and Navigation
Farag Saad (Gesis - leibniz institute for the social sciences, Germany), Brigitte Mathiak (Gesis - leibniz institute for the social sciences, Germany)
SIAM: Social Interaction Analysis for Multimedia
Jerome Picault (Alcatel-Lucent Bell Labs, France), Myriam Ribiere (Alcatel-Lucent Bell Labs, France)
Lexico-Semantic Search Engine ""Serelex""
Alexander Panchenko (Université catholique de Louvain, Belgium; Moscow State Technical University, Russia), Pavel Romanov (Moscow State Technical University, Russia), Olga Morozova (Université catholique de Louvain, Belgium), Hubert Naets (Université catholique de Louvain, Belgium), Andrew Philippovich (Moscow State Technical University, Russia), Cédrick Fairon (Université catholique de Louvain, Belgium)
Re-Leashed! The PuppyIR framework for developing information services for children, adults and dogs
Leif Azzopardi (University of Glasgow, United Kingdom), Doug Dowie (University of Glasgow, United Kingdom)
DS4: A Distributed Social and Semantic Search System
Dionisis Kontominas (University of Peloponnese, Greece), Paraskevi Raftopoulou (University of Peloponnese, Greece), Christos Tryfonopoulos (University of Peloponnese, Greece), Euripides G.M. Petrakis (Technical University of Crete, Greece)
Exploratory Search on Social Media
Michael Kaisser (AGT International, Germany), Aaron Russ (German Research Centre for Artificial Intelligence, Germany)
Political Hashtag Trends
Ingmar Weber (Yahoo! Research, Spain), Venkata Rama Kiran Garimella (Yahoo! Research, Spain), Asmelash Teka (Erasmus Mundus master DMKM, Spain)
Face-based People Searching in Videos
Jan Sedmidubsky (Masaryk University, Czech Republic), Michal Batko (Masaryk University, Czech Republic), Pavel Zezula (Masaryk University, Czech Republic)
OPARS : Objective Photo Aesthetics Ranking System
Huang Xiao (Technical University of Munich, Germany), Han Xiao (Technical University of Munich, Germany), Claudia Eckert (Technical University of Munich, Germany)