| Vol-1391 urn:nbn:de:0074-1391-8 Copyright © 2015 for the individual papers by the papers' authors. Copying permitted for private and academic purposes. This volume is published and copyrighted by its editors.

# CLEF 2015
CLEF2015 Working Notes

### Working Notes of CLEF 2015 - Conference and Labs of the Evaluation forum

### Toulouse, France, September 8-11, 2015.

Edited by

### Linda Cappellato *
Nicola Ferro *
Gareth J. F. Jones **
Eric San Juan ***

* Department of Information Engineering (DEI), University of Padua, Via Gradenigo 6/B, 35131, Padova, Italy
** Dublin City University, Ireland
*** Université d'Avignon et des Pays du Vaucluse, France

## Table of Contents

- Preface
  Linda Cappellato, Nicola Ferro, Gareth F. Jones, Eric San Juan

### CLEFeHealth

- CLEF eHealth Evaluation Lab 2015 Task 1b: Clinical Named Entity Recognition
  Aurélie Névéol, Cyril Grouin, Xavier Tannier, Thierry Hamon, Liadh Kelly, Lorraine Goeuriot, Pierre Zweigenbaum
- CLEF eHealth Evaluation Lab 2015, Task 2: Retrieving Information About Medical Symptoms
  Joao Palotti, Guido Zuccon, Lorraine Goeuriot, Liadh Kelly, Allan Hanbury, Gareth Jones, Mihai Lupu, Pavel Pecina
- Task 1a of the CLEF eHealth Evaluation Lab 2015: Clinical Speech Recognition
  Hanna Suominen, Leif Hanlen, Lorraine Goeuriot, Liadh Kelly, Gareth J. F. Jones
- Biomedical Concept Recognition in French Text Using Automatic Translation of English Terms
  Zubair Afzal, Saber A. Akhondi, Herman van Haagen, Erik Van Mulligen, Jan A. Kors
- IHS-RD-BELARUS: Clinical Named Entities Identification in French Medical Texts
  Maryna Chernyshevich, Vadim Stankevitch
- Semantic Tagging of French Medical Entities Using Distant Learning
  Viviana Cotik, Jorge Vivaldi, Horacio Rodriguez
- LIMSI @ CLEF eHealth 2015 - Task 1b
  Eva D'Hondt, François Morlane-Hondère, Léonardo Campillos, Dhouha Bouamor, Swen Ribeiro, Thomas Lavergne
- LIMSI @ CLEF eHealth 2015 - task 2
  Eva D'Hondt, Brigitte Grau, Pierre Zweigenbaum
- York University at CLEF 2015 eHealth : Medical Document Retrieval
  Andia Ghoddousi, Jimmy Xiangji Huang
- Unsupervised Language Model Adaptation using Utterance-based Web Search for Clinical Speech Recognition
  Robert Herms, Daniel Richter, Maximilian Eibl, Marc Ritter
- TeamHCMUS: A Concept-based Information Retrieval Approach for Web Medical Documents
  Nghia Huynh, Tuan Nguyen, Quoc Ho
- Supervised Named Entity Recognition for Clinical Data
  Devanshu Jain
- WI-ENRE in CLEF eHealth Evaluation Lab 2015: Clinical Named Entity Recognition Based on CRF
  Jingchi Jiang, Yi Guan, Chao Zhao
- WI-ENRE in CLEF eHealth Evaluation Lab 2015: Clinical Named Entity Recognition Based on CRF
  Jingchi Jiang, Yi Guan, Chao Zhao
- Miracl at Clef 2015 : User-Centred Health Information Retrieval Task
  Nesrine Ksentini, Mohamed Tmar, Mohand Boughanem, Faiez Gargouri
- Bridging Layperson's Queries with Medical Concepts- GRIUM@CLEF2015 eHealth Task 2
  Xiao Jie Liu, Jian-Yun Nie
- Employing Query Expansion Models to help Patients Diagnose Themselves
  Fangmei Lu
- Automatic Clinical Speech Recognition for CLEF 2015 eHealth Challenge
  Thoai Man Luu, Robert Phan, Rachel Davey, Leif Hanlen, Girija Chetty
- KISTI at CLEF eHealth 2015 Task 2
  Heung-Seon Oh, Yuchul Jung, Kwang-Young Kim
- CUNI at the CLEF 2015 eHealth Lab Task 2
  Shadi Saleh, Feraena Bibyna, Pavel Pecina
- ECNU at 2015 eHealth Task 2: User-centred Health Information Retrieval
  Yang Song, Yun He, Qinmin Hu, Liang He, E. Mark Haacke
- SIBM at CLEF e-Health Evaluation Lab 2015
  Lina F. Soualmia, Chloé Cabot, Badisse Dahamna, Stéfan J. Darmoni
- Task 2a: Team KU-CS: Query Coherence Analysis for PRF and Genomics Expansion
  Ornuma Thesprasith, Chuleerat Jaruskulchai
- UBML participation to CLEF eHealth IR challenge 2015: Task 2
  Edwin Thuma, George Anderson, Gontlafetse Mosweunyane

### ImageCLEF

- Overview of the ImageCLEF 2015 Medical Classification Task
  Alba G. Seco de Herrera, Henning Muüller, Stefano Bromuri
- Overview of the ImageCLEF 2015 Medical Clustering Task
  M. Ashraful Amin, Mahmood Kazi Mohammed
- Overview of the ImageCLEF 2015 Scalable Image Annotation, Localization and Sentence Generation task
  Andrew Gilbert, Luca Piras, Josiah Wang, Fei Yan, Emmanuel Dellandrea, Robert Gaizauskas, Mauricio Villegas, Krystian Mikolajczyk
- Overview of the ImageCLEF 2015 liver CT annotation task
  Neda Barzegar Marvasti, María Del Mar Roldán García, Suzan Uskudarli, Josá Francisco Aldana Montes, Burak Acar
- Automatic Classification of Body Parts X-ray Images
  Moshe Aboud, Assaf Spanier, Leo Joskowicz
- Using Textual and Visual Processing in Scalable Concept Image Annotation Challenge
  Alexandru Calfa, Dragoş Silion, Andreea Cristina Bursuc, Cornel Paul Acatrinei, Răzvan Iulian Lupu, Alexandru Eduard Cozma, Cristian Pădurariu, Adrian Iftene
- X-ray Image Body Part Clustering using Deep Convolutional Neural Network: SNUMedinfo at ImageCLEF 2015 Medical Clustering Task
  Sungbin Choi
- Medical Image Classification via 2D color feature based Covariance Descriptors
  Pol Cirujeda, Xavier Binefa
- Graph Based Method Approach to the ImageCLEF2015 Task1 - Image Annotation
  Ludovic Dos Santos, Benjamin Piwowarski, Patrick Gallinari
- CEA LIST's participation to the Scalable Concept Image Annotation task of ImageCLEF 2015
  Etienne Gadeski, Hervé Le Borgne, Adrian Popescu
- Automatic Image Annotation using Weakly Labelled Web Data
  Pravin Kakar, Xiangyu Wang, Alex Yong-Sang Chia
- RUC-Tencent at ImageCLEF 2015: Concept Detection, Localization and Sentence Generation
  Xirong Li, Qin Jin, Shuai Liao, Junwei Liang, Xixi He, Yujia Huo, Weiyu Lan, Bin Xiao, Yanxiong Lu, Jieping Xu
- Hybrid Learning Framework for Large-Scale Web Image Annotation and Localization
  Yong Li, Jing Liu, Yuhang Wang, Bingyuan Liu, Jun Fu, Yunze Gao, Hui Wu, Hang Song, Peng Ying, Hanqing Lu
- Convolutional Neural Networks for Medical Clustering
  David Lyndon, Ashnil Kumar, Jinman Kim, Philip Leong, Dagan Feng
- Convolutional Neural Networks for Subfigure Classification
  David Lyndon, Ashnil Kumar, Jinman Kim, Philip Leong, Dagan Feng
- Automatic Annotation of Liver CT Image: ImageCLEFmed 2015
  Imane Nedjar, Saïd Mahmoudi, Mohamed Amine Chikh, Khadidja Abi-Yad, Zouheyr Bouafia
- FHDO Biomedical Computer Science Group at Medical Classification Task of ImageCLEF 2015
  Obioma Pelka, Christoph M. Friedrich
- INAOE-UNAL at ImageCLEF 2015: Scalable Concept Image Annotation
  Luis Pellegrin, Jorge A. Vanegas, John Arevalo, Viviana Beltrán, Hugo Jair Escalante, Manuel Montes-Y-Gómez, Fabio González
- IIS at ImageCLEF 2015: Multi-label Classification Task
  Antonio Rodríguez-Sánchez, Sabrina Fontanella, Justus Piater, Sandor Szedmak
- CNRS TELECOM ParisTech at ImageCLEF 2015 Scalable Concept Image Annotation Task: Concept Detection with Blind Localization Proposals
  Hichem Sahbi
- NLM at imageCLEF2015: Biomedical Multipanel Figure Separation
  K.C. Santosh, Zhiyun Xue, Sameer Antani, George Thoma
- IBM Research at Image CLEF 2015: Medical Clustering Task
  Suman Sedai, Xi Liang, Mani Abedeni, Qiang Chen, Rajib Chakravorty, Rahil Garnavi
- AAUITEC at ImageCLEF 2015: Compound Figure Separation
  Mario Taschwer, Oge Marques
- National Library of Medicine (NLM) at ImageCLEF2015: Medical Clustering Task
  Szilard Vajda, Sameer Antani, George Thoma
- CIS UDEL Working Notes on ImageCLEF 2015: Compound Figure Detection Task
  Xiaolong Wang, Xiangying Jiang, Abhishek Kolagunda, Hagit Shatkay, Chandra Kambhamettu
- BUAA-iCC at ImageCLEF 2015 Scalable Concept Image Annotation Challenge
  Yunhong Wang, Jiaxin Chen, Ningning Liu, Li Zhang
- Regimvid at ImageCLEF 2015 Scalable Concept Image Annotation Task: Ontology based Hierarchical Image Annotation
  Mohamed Zarka, Anis Ben Ammar, Adel Alimi
- KDEVIR at ImageCLEF 2015 Scalable Image Annotation, Localization, and Sentence Generation task: Ontology based Multi-label Image Annotation
  Md Zia Ullah, Masaki Aono
- Clustering of Medical X-ray Images by Merging Outputs of Different Classification Techniques
  Ibrahim Ziedan, Amr Zamel, Ahmed Al Zohairy

### LifeCLEF

- LifeCLEF Bird Identification Task 2015
  Hervé Goëau, Hervé Glotin, Willem-Pier Vellinga, Bob Planque, Andreas Rauber, Alexis Joly
- LifeCLEF Plant Identification Task 2015
  Hervé Goëau, Pierre Bonnet, Alexis Joly
- Shared Nearest Neighbors Match Kernel for Bird Songs Identification - LifeCLEF 2015 Challenge
  Alexis Joly, Valentin Leveau, Julien Champ, Olivier Buisson
- Exploring the Use of Local Descriptors for Fish Recognition in LifeCLEF 2015
  Jorge Cabrera-Gámez, Modesto Castrillón Santana, Antonio Domínguez-Brito, Daniel Hernandez-Sosa, Josep Isern-González, Javier Lorenzo-Navarro
- A Comparative Study of Fine-grained Classification Methods in the Context of the LifeCLEF Plant Identification Challenge 2015
  Julien Champ, Titouan Lorieul, Maximilien Servajean, Alexis Joly
- Plant Identification with Deep Convolutional Neural Network: SNUMedinfo at LifeCLEF Plant Identification Task 2015
  Sungbin Choi
- Fish Identification in Underwater Video with Deep Convolutional Neural Network: SNUMedinfo at LifeCLEF Fish task 2015
  Sungbin Choi
- SVM classification of moving objects tracked by Kalman filter and Hungarian method
  Gábor Szűcs, Dávid Papp, Dániel Lovas
- Content Specific Feature Learning for Fine-Grained Plant Classification
  Zongyuan Ge, Chris Mccool, Conrad Sanderson, Peter Corke
- Improved Automatic Bird Identification through Decision Tree based Feature Selection and Bagging
  Mario Lasseck
- MICA at LifeCLEF 2015: Multi-organ Plant Identification
  Thi-Lan Le, Duong Nam-Duong, Hai Vu, Thanh-Nhan Nguyen
- Sabanci-Okan System in LifeCLEF 2015 Plant Identification Competition
  Mostafa Mehdipour Ghazi, Berrin Yanikoglu, Erchan Aptoula, Ozlem Muslu, Murat Can Ozdemir
- A Fast Baseline System for Large Scale Bird Identification
  Ivan Vladimir Meza Ruiz, Adrian Espino Gamez, Frine A. Sonalo Hernandez, Toaki Esaú Villarreal Olvera
- A MARFCLEF Approach to LifeCLEF 2015 Tasks
  Serguei Mokhov
- Fine-tuning Deep Convolutional Networks for Plant Recognition
  Angie K. Reyes, Juan C. Caicedo, Jorge E. Camargo
- BirdCLEF 2015 Submission: Unsupervised Feature Learning from Audio
  Dan Stowell
- The Xeno-canto Collection and its Relation to Sound Recognition and Classification
  Willem-Pier Vellinga, Bob Planque

### Living Labs for IR (LL4IR)

- Extended Overview of the Living Labs for Information Retrieval Evaluation (LL4IR) CLEF Lab 2015
  Anne Schuth, Krisztian Balog, Liadh Kelly
- Probabilistic Field Mapping for Product Search
  Aman Berhane Ghirmatsion, Krisztian Balog
- IRIT at CLEF 2015: A Product Search Model for Head Queries
  Lamjed Ben Jabeur, Laure Soulier, Lynda Tamine
- Historical Clicks for Product Search: GESIS at CLEF LL4IR 2015
  Philipp Schaer, Narges Tavakolpoursaleh

### News Recommendation Evaluation Lab (NEWSREEL)

- Overview of CLEF NewsREEL 2015: News Recommendation Evaluation Lab
  Benjamin Kille, Andreas Lommatzsch, Roberto Turrin, Andras Sereny, Martha Larson, Torben Brodt, Jonas Seiler, Frank Hopfgartner
- The Degree of Randomness in a Live Recommender Systems Evaluation
  Gebrekirstos Gebremeskel, Arjen P. de Vries
- Development and Evaluation of a Highly Scalable News Recommender System
  Ilya Verbitskiy, Patrick Probst, Andreas Lommatzsch

### Uncovering Plagiarism, Authorship and Social Software Misuse (PAN)

- Source Retrieval for Plagiarism Detection from Large Web Corpora: Recent Approaches
  Matthias Hagen, Martin Potthast, Benno Stein
- Towards Data Submissions for Shared Tasks: First Experiences for the Task of Text Alignment
  Martin Potthast, Steve Göring, Paolo Rosso, Benno Stein
- Overview of the 3rd Author Profiling Task at PAN 2015
  Francisco Manuel Rangel Pardo, Fabio Celli, Paolo Rosso, Martin Potthast, Benno Stein, Walter Daelemans
- Overview of the Author Identification Task at PAN 2015
  Efstathios Stamatatos, Walter Daelemans, Ben Verhoeven, Patrick Juola, Aurelio López-López, Martin Potthast, Benno Stein
- INAOE's Participation at PAN'15: Author Profiling task
  Miguel Ángel Álvarez Carmona, Adrían Pastor López Monroy, Manuel Montes Y Gómez, Luis Villaseñor Pineda, Hugo Jair Escalante
- The Short Stories Corpus: Notebook for PAN at CLEF 2015
  Faisal Alvi, Mark Stevenson, Paul Clough
- Age, Gender and Personality Recognition using Tweets in a Multilingual setting: Notebook for PAN at CLEF 2015
  Mounica Arroju, Aftab Hassan, Golnoosh Farnadi
- Developing Bilingual Plagiarism Detection Corpus Using Sentence Aligned Parallel Corpus: Notebook for PAN at CLEF 2015
  Habibollah Asghari, Khadijeh Khoshnava, Omid Fatemi, Heshaam Faili
- Author Identification Using Multi-headed Recurrent Neural Networks
  Douglas Bagnall
- An Author Verification Approach Based on Differential Features: Notebook for PAN at CLEF 2015
  Alberto Bartoli, Alex Dagri, Andrea De Lorenzo, Eric Medvet, Fabiano Tarlao
- An Author Profiling Approach Based on Language-dependent Content and Stylometric Features
  Alberto Bartoli, Andrea De Lorenzo, Alessandra Laderchi, Eric Medvet, Fabiano Tarlao
- Author Profiling of Twitter Users: Notebook for PAN at CLEF 2015
  Roy Khristopher Bayot, Teresa Gonçalves, Paolo Quaresma
- Authorship Verification, combining Linguistic Features and Different Similarity Functions
  Daniel Castro, Yaritza Adame, María Pelaez, Rafael Muñoz
- A Corpus for Analyzing Text Reuse by People of Different Groups
  Waqas Cheema, Fahad Najib, Shakil Ahmed, Syed Husnain Bukhari, Abdul Sittar, Rao Muhammad Adeel Nawab
- Information Retrieval Features for Personality Traits
  Edson Roberto Duarte Weren
- PAN 2015 Shared Task on Plagiarism Detection: Evaluation of Corpora for Text Alignment: Notebook for PAN at CLEF 2015
  Marc Franco-Salvador, Imene Bensalem, Enrique Flores, Parth Gupta, Paolo Rosso
- Segmenting Target Audiences: Automatic Author Profiling using Tweets: Notebook for PAN at CLEF 2015
  Mayte Giménez Fayos, Delia Irazú Hernández, Ferran Pla
- A Graph Based Authorship Identification Approach: Notebook for PAN at CLEF 2015
  Helena Gómez-Adorno, Grigori Sidorov, David Pintoand, Ilia Markov
- Tweets Classification using Corpus Dependent Tags, Character and POS N-grams
  Carlos E. González-Gallardo, Azucena Montes, Gerardo Sierra, J. Antonio Nuñez-Juárez, Adolfo Jonathan Salinas-López, Juan Ek
- Author Profiling using Stylometric and Structural Feature Groupings
  Andreas Grivas, Anastasia Krithara, George Giannakopoulos
- Homotopy Based Classification for Author Verification Task: Notebook for PAN at CLEF 2015
  Josue Gerardo Gutierrez Hernandez, José Casillas, Paola Ledesma, Gibran Fuentes-Pineda, Ivan Vladimir Meza Ruiz
- A Generic Authorship Verification Scheme Based on Equal Error Rates
  Oren Halvani, Christian Winter
- Cross-Language Urdu-English (CLUE) Text Alignment Corpus: Notebook for PAN at CLEF 2015
  Israr Hanif, Adeel Nawab, Affifa Arbab, Huma Jamshed, Sara Riaz, Ehsan Munir
- GLAD: Groningen Lightweight Authorship Detection
  Manuela Huerlimann, Benno Weck, Esther van den Berg, Simon Suster, Malvina Nissim
- Predicting an Author's Demographics from Text using Topic Modeling Approach
  Hafiz Rizwan Iqbal, Muhammad Adnan Ashraf, Rao Muhammad Adeel Nawab
- Developing Monolingual Persian Corpus for Extrinsic Plagiarism Detection Using Artificial Obfuscation: Notebook for PAN at CLEF 2015
  Khadijeh Khoshnavataher, Vahid Zarrabi, Salar Mohtaj, Habibollah Asghari
- SU@PAN'2015: Experiments in Author Profiling
  Yasen Kiprov, Momchil Hardalov, Preslav Nakov, Ivan Koychev
- UniNE at CLEF 2015 Author Profiling: Notebook for PAN at CLEF 2015
  Mirco Kocher
- UniNE at CLEF 2015 Author Identification: Notebook for PAN at CLEF 2015
  Mirco Kocher, Jacques Savoy
- Source Retrieval and Text Alignment Corpus Construction for Plagiarism Detection
  Kong Leilei, Lu Zhimao, Han Yong, Qi Haoliang, Han Zhongyuan, Wang Qibo, Hao Zhenyuan, Zhang Jing
- Using Wide Range of Features for Author profiling
  Suraj Maharjan, Thamar Solorio
- Authorship Verification: An Approach based on Random Forest: Notebook for PAN at CLEF 2015
  Promita Maitra, Souvick Ghosh, Dipankar Das
- Building Topic Models to Predict Author Attributes from Twitter Messages
  Caitlin McCollister, Bo Luo, Shu Huang
- On the Empirical Evaluation of Hybrid Author Identification Method
  Seifeddine Mechti, Maher Jaoua, Rim Faiz, Bassem Bsir, Lamia Hadrich Belguith
- Developing Monolingual English Corpus for Plagiarism Detection using Human Annotated Paraphrase Corpus
  Salar Mohtaj, Habibollah Asghari, Vahid Zarrabi
- Author Verification: Basic Stacked Generalization Applied To Predictions from a Set of Heterogeneous Learners - Notebook for PAN at CLEF 2015
  Erwan Moreau, Arun Jayapal, Gerard Lynch, Carl Vogel
- Author's Traits Prediction on Twitter Data using Content Based Approach
  Fahad Najib, Waqas Arshad Cheema, Rao Muhammad Adeel Nawab
- SU@PAN'2015: Experiments in Author Verification
  Stanimir Nikolov, Dobrinka Tabakova, Stefan Savov, Yasen Kiprov, Preslav Nakov
- XRCE Personal Language Analytics Engine for Multilingual Author Profiling: Notebook for PAN at CLEF 2015
  Scott Nowson, Julien Perez, Caroline Brun, Shachar Mirkin, Claude Roux
- Random Forest with Increased Generalization: A Universal Background Approach for Authorship Verification
  Maria Leonor Pacheco, Kelwin Fernandes, Aldo Porco
- A Random Forest Approach for Authorship Profiling
  Alonso Palomino-Garibay, Adolfo T. Camacho-González, Ricardo A. Fierro-Villaneda, Irazú Hernández-Farias, Davide Buscaldi, Ivan Vladimir Meza Ruiz
- Identification of Author Personality Traits using Stylistic Features: Notebook for PAN at CLEF 2015
  Ifrah Pervaz, Iqra Ameer, Abdul Sittar, Rao Muhammad Adeel Nawab
- Know-Center at PAN 2015 Author Identification: Notebook for PAN at CLEF 2015
  Oliver Pimas, Mark Kröll, Roman Kern
- Syntactic N-grams as Features for the Author Profiling Task: Notebook for PAN at CLEF 2015
  Juan-Pablo Posadas-Durán, Helena Gómez-Adorno, Ilia Markov, Grigori Sidorov, Ildar Batyrshin, Alexander Gelbukh, Obdulia Pichardo Lagunas
- Author Verification Using Syntactic N-grams: Notebook for PAN at CLEF 2015
  Juan-Pablo Posadas-Durán, Grigori Sidorov, Ildar Batyrshin, Elibeth Mirasol-Meléndez
- Topic Models and n-gram Language Models for Author Profiling - Notebook for PAN at CLEF 2015
  Adam Poulston, Mark Stevenson, Kalina Bontcheva
- What Do Your Look-alikes Say about You? Exploiting Strong and Weak Similarities for Author Profiling.
  Piotr Przybyła, Paweł Teisseyre
- Source Retrieval Plagiarism Detection based on Weighted Noun phrase and Key phrase Extraction
  Javad Rafiei, Salar Mohtaj, Vahid Zarrabi, Habibollah Asghari
- Efficient Paragraph based Chunking and Download Filtering for Plagiarism Source Retrieval
  Riya Ravi N, Deepa Gupta
- Dynamically Adjustable Approach through Obfuscation Type Recognition
  Miguel A. Sánchez-Pérez, Alexander Gelbukh, Grigori Sidorov
- A Machine Learning-based Intrinsic Method for Cross-topic and Cross-genre Authorship Verification
  Yunita Sari, Mark Stevenson
- Authorship Verification by combining SVMs with Kernels Optimized for Different Feature Categories
  Julian Solorzano, Victor Mijangos, Alejandro Pimentel, Fernanda López-Escobedo, Azucena Montes, Gerardo Sierra
- Improving Synoptic Quering for Source Retrieval: Notebook for PAN at CLEF 2015
  Šimon Suchomel, Michal Brandejs
- Automatic Profiling of Twitter Users Based on Their Tweets: Notebook for PAN at CLEF 2015
  Octavia-Maria Şulea, Daniel Dichiu
- Adapting for Subject-Specific Term Length using Topic Cost in Author Verification - Notebook for PAN at CLEF 2015
  Anna Vartapetiance, Lee Gillam
- Statistical Learning Methods for Profiling Analysis: Notebook for PAN at CLEF 2015
  Lesly Miculicich Werlen
- Evaluation of Text Reuse Corpora for Text Alignment Task of plagiarism Detection
  Vahid Zarrabi, Javad Rafiei, Khadijeh Khoshnava, Habibollah Asghari, Salar Mohtaj

### Question answering (QA)

- Results of the BioASQ Tasks of the Question Answering Lab at CLEF 2015
  Georgios Balikas, Aris Kosmopoulos, Anastasia Krithara, Georgios Paliouras, Ioannis Kakadiaris
- Overview of CLEF QA Entrance Exams Task 2015
  Alvaro Rodrigo, Anselmo Peñas, Yusuke Miyao, Eduard Hovy, Noriko Kando
- Question Answering over Linked Data (QALD-5)
  Christina Unger, Corina Forascu, Vanessa Lopez, Axel-Cyrille Ngonga Ngomo, Elena Cabrio, Philipp Cimiano, Sebastian Walter
- Biomedical Question Answering using the YodaQA System: Prototype Notes
  Petr Baudis, Jan Sedivý
- SemGraphQA@QALD5: LIMSI participation at QALD5@CLEF
  Romain Beaumont, Brigitte Grau, Anne-Laure Ligozat
- SNUMedinfo at CLEF BioASQ 2015
  Sungbin Choi
- USI at BioASQ 2015: a Semantic Similarity-based Approach for Semantic Indexing
  Nicolas Fiorini, Sylvie Ranwez, Sébastien Harispe, Vincent Ranwez, Jacky Montmain
- LIMSI-CNRS@CLEF 2015: Tree Edit Beam Search for Multiple Choice Question Answering
  Martin Gleize, Brigitte Grau
- IIITH at BioASQ Challenge 2015 Task 3a: Extreme Classification of PubMed Articles using MeSH Labels
  Avinash Kamineni, Nausheen Fatma, Arpita Das,Manish Shrivastava, Manoj Kumar Chinnakotla
- Reading Comprehension at Entrance Exams 2015
  Dominique Laurent, Baptiste Chardon, Sophie Nègre, Camille Pradel, Patrick Sé gué la
- Biomedical Question-focused Multi-document Summarization: ILSP and AUEB at BioASQ3
  Prodromos Malakasiotis, Emmanouil Archontakis, Ion Androutsopoulos, Dimitrios Galanis, Harris Papageorgiou
- NCBI at the 2015 BioASQ Challenge Task: Baseline Results from MeSH Now
  Yuqing Mao, Zhiyong Lu
- HPI Question Answering System in the BioASQ 2015 Challenge
  Mariana Neves
- AUTH-Atypon at BioASQ 3: Large-Scale Semantic Indexing in Biomedicine
  Yannis Papanikolaou, Grigorios Tsoumakas, Manos Laliotis, Nikos Markantonatos, Ioannis Vlahavas
- ISOFT at QALD-5: Hybrid Question Answering System over Linked Data and Text Data
  Seonyeong Park, Soonchoul Kwon, Byungsoo Kim, Gary Geunbae Lee
- CoLe and UTAI at BioASQ 2015: Experiments with Similarity Based Descriptor Assignment
  Francisco J. Ribadas-Pena, Luis M. de Campos, Victor M. Darriba-Bilbao, Alfonso E. Romero
- The Fudan Participation in the 2015 BioASQ Challenge: Large-scale Biomedical Semantic Indexing and Question Answering
  Shengwen Peng, Ronghui You, Zhikai Xie, Beichen Wang, Yanchun Zhang, Shanfeng Zhu
- QAnswer - Enhanced Entity Matching for Question Answering over Linked Data
  Stefan Ruseti, Alexandru Mirea, Traian Rebedea, Stefan Trausan-Matu
- HAWK@QALD5 - Trying to Answer Hybrid Questions with Various Simple Ranking Techniques
  Ricardo Usbeck, Axel-Cyrille Ngonga Ngomo
- Learning to Answer Biomedical Factoid & List Questions: OAQA at BioASQ 3B
  Zi Yang, Niloy Gupta, Xiangyu Sun, Di Xu, Chi Zhang, Eric Nyberg
- IIITH at BioASQ Challange 2015 Task 3b: Bio-Medical Question Answering System
  Harish Yenala, Avinash Kamineni, Manish Shrivastavaand, Manoj Kumar Chinnakotla
- A generic retrieval system for biomedical literatures: USTB at BioASQ2015 Question Answering Task
  Zhi-Juan Zhang, Tian-Tian Liu, Bo-Wen Zhang, Yan Li, Chun-Hua Zhao, Shao-Hui Feng, Xu-Cheng Yin, Fang Zhou
- CoMiC: Exploring Text Segmentation and Similarity in the English Entrance Exams Task
  Ramon Ziai, Björn Rudzewitz

### Social Book Search (SBS)

- Overview of the SBS 2015 Interactive Track
  Maria Gaede, Mark Michael Hall, Hugo Huurdeman, Jaap Kamps, Marijn Koolen, Mette Skov, Elaine Toms, David Walsh
- Overview of the SBS 2015 Suggestion Track
  Marijn Koolen, Toine Bogers, Jaap Kamps
- Book Recommendation Using Information Retrieval Methods and Graph Analysis
  Chahinez Benkoussas, Anaïs Ollagnier, Patrice Bellot
- Edge Hill Computing @ Interactive Social Book Search 2015
  Daniel Campbell, Mark Michael Hall, David Walsh
- CERIST at INEX 2015: Social Book Search Track
  Messaoud Chaa, Omar Nouali
- OAUC's participation in the CLEF2015 SBS Search Suggestion Track
  Joachim Fugleberg, Michael Preminger
- This is it! Selection and Preferences for Books
  Maria Gäde, Vivien Petras
- The Value of Multistage Search Systems for Book Search
  Hugo Huurdeman, Jaap Kamps, Marijn Koolen, Sanna Kumpulainen
- Multimodal Social Book Search
  Melanie Imhof, Ismail Badache, Mohand Boughanem
- Evaluation of the User Experience of Engagement in the Stages of Search
  Frances Johnson
- LIG at CLEF 2015 SBS Lab
  Philippe Mulhem, Nawal Ould Amer, Mathias Géry
- LaHC at CLEF 2015 SBS Lab
  Nawal Ould-Amer, Mathias Géry
- The Influence of Language Proficiency on Book Search Behaviour
  Mette Skov, Toine Bogers
- Integrating Social Features and Query Type Recognition in the Suggestion Track of CLEF 2015 Social Book Search Lab
  Shih-Hung Wu, Yi-Hsiang Hsieh, Liang-Pu Chen, Tsun Ku
- USTB at Social Book Search 2015 Suggestion Task: Metadata Expansion and Reranking
  Chun-Hua Zhao, Fang Zhou, Bo-Wen Zhang, Xu-Cheng Yin, Ming Hao, Zhi-Juan Zhang, Tian-Tian Liu

2015-08-08: submitted by Nicola Ferro, metadata incl. bibliographic data published under Creative Commons CC0
2015-08-05: published on CEUR-WS.org |valid HTML5|