Full Papers
Full Papers | |
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Mitigating the Position Bias of Transformer Models in Passage Re-Ranking | Sebastian Hofstätter, Aldo Lipani, Sophia Althammer, Markus Zlabinger and Allan Hanbury |
On the Instability of Diminishing Return IR Measures | Tetsuya Sakai |
DSMER: A Deep Semantic Matching based Framework for Named Entity Recognition | Yufeng Lyu and Jiang Zhong |
Weakly-Supervised Open-Retrieval Conversational Question Answering | Chen Qu, Liu Yang, Cen Chen, W. Bruce Croft, Kalpesh Krishna and Mohit Iyyer |
Coreference Resolution in Research Papers from Multiple Domains | Arthur Brack, Daniel Uwe Müller, Anett Hoppe and Ralph Ewerth |
Active Learning for Entity Alignment | Max Berrendorf, Evgeniy Faerman and Volker Tresp |
Content Selection Network for Document-grounded Retrieval-based Chatbots | Yutao Zhu, Jian-Yun Nie, Kun Zhou, Pan Du and Zhicheng Dou |
A Dataset and Baselines for Multimodal Product Categorization and Cross-Modal Retrieval for E-Commerce | Hesam Amoualian, Parantapa Goswami, Pradipto Das, Pablo Montalvo, Laurent Ach and Nathaniel Dean |
Predicting User Engagement Status for Online Evaluation of Intelligent Assistants | Rui Meng, Zhen Yue and Alyssa Glass |
A Transparent Logical Framework for Aspect-Oriented Product Ranking Based on User Reviews | Firas Sabbah and Norbert Fuhr |
Exploding TV Sets & Disappointing Laptops: Archival Content Suggestion by Finding Interesting Content from the Past | Adam Jatowt, I-Chen Hung, Michael Färber, Ricardo Campos and Masatoshi Yoshikawa |
A Zero Attentive Relevance Matching Network for Review Modeling in Recommendation | Hansi Zeng, Zhichao Xu and Qingyao Ai |
Disparate Impact in Item Recommendation: a Case of Geographic Imbalance | Elizabeth Gómez, Ludovico Boratto and Maria Salamo |
A Hierarchical Approach for Joint Extraction of Entities and Relations | Siqi Xiao, Qi Zhang, Jinquan Sun, Yu Wang and Lei Zhang |
An Enhanced Evaluation Framework for Query Performance Prediction | Guglielmo Faggioli, Oleg Zendel, J. Shane Culpepper, Nicola Ferro and Falk Scholer |
How Do Simple Transformations of Text and Image Features Impact Cosine-based Semantic Match? | Guillem Collell and Marie-Francine Moens |
You Get What You Chat: Using Conversations to Personalize Search-based Recommendations | Ghazaleh Haratinezhad Torbati, Andrew Yates and Gerhard Weikum |
Utilizing Local Tangent Information for Word Re-embedding | Wenyu Zhao, Dong Zhou, Lin Li and Jinjun Chen |
Answer Sentence Selection using Local and Global Context in Transformer Models | Ivano Lauriola and Alessandro Moschitti |
FedeRank: User Controlled Feedback with Federated Recommender Systems | Vito Walter Anelli, Yashar Deldjoo, Tommaso Di Noia, Antonio Ferrara and Fedelucio Narducci |
Extracting Search Tasks from Query Logs Using a Recurrent Deep Clustering Architecture | Luis Lugo, Jose G. Moreno and Gilles Hubert |
Studying the Catastrophic Forgetting Problem in Neural Ranking Models | Jesús Lovón-Melgarejo, Laure Soulier, Karen Pinel-Sauvagnat and Lynda Tamine |
Label Definitions Augmented Interaction Model for Legal Charge Prediction | Liangyi Kang, Jie Liu, Lingqiao Liu and Dan Ye |
Modeling User Search Tasks with a Language-agnostic Unsupervised Approach | Luis Lugo, Jose G. Moreno and Gilles Hubert |
A Multi-Task Approach to Neural Multi-Label Hierarchical Patent Classification using Transformers | Subhash Chandra Pujari, Annemarie Friedrich and Jannik Stroetgen |
Studying the Effectiveness of Conversational Search Refinement through User Simulation | Alexandre Salle, Shervin Malmasi, Eugene Agichtein and Oleg Rokhlenko |
An Argument Extraction Decoder in Open Information Extraction | Yucheng Li, Yan Yang, Qinmin Hu, Chengcai Chen and Liang He |
CEQE: Contextualized Embeddings for Query Expansion | Shahrzad Naseri, Jeffrey Dalton, Andrew Yates and James Allan |
A Deep Analysis of an Explainable Retrieval Model for Precision Medicine Literature Search | Jiaming Qu, Jaime Arguello and Yue Wang |
Valuation of Startups: a Machine Learning Perspective | Mariia Garkavenko, Hamid Mirisaee, Eric Gaussier, Agnes Guerraz and Cédric Lagnier |
User Engagement Prediction for Clarification in Search | Ivan Sekulic, Mohammad Aliannejadi and Fabio Crestani |
TLS-Covid19: A New Annotated Corpus for Timeline Summarization | Arian Pasquali, Ricardo Campos, Alexandre Ribeiro, Brenda Santana, Alipio M. Jorge and Adam Jatowt |
Stay on Topic, Please: Aligning User Comments to the Content of a News Article | Jumanah Alshehri, Marija Stanojevic, Eduard Dragut and Zoran Obradovic |
A Study of Distributed Representations for Figures of Research Articles | Saar Kuzi and Chengxiang Zhai |
Using the Hammer Only on Nails: A Hybrid Method for Representation-based Evidence Retrieval for Question Answering | Zhengzhong Liang, Yiyun Zhao and Mihai Surdeanu |
Exploring Classic and Neural Lexical Translation Models: Interpretability, Effectiveness, and Efficiency Benefits | Leonid Boytsov and Zico Kolter |
Metric Learning for Session-based Recommendations | Bartłomiej Twardowski, Paweł Zawistowski and Szymon Zaborowski |
Machine Translation Customization via Automatic Training Data Selection from the Web | Thuy Vu and Alessandro Moschitti |
Complement Lexical Retrieval Model with Semantic Residual Embeddings | Luyu Gao, Zhuyun Dai, Tongfei Chen, Zhen Fan, Benjamin Van Durme and Jamie Callan |
Joint Autoregressive and Graph Models for Software and Developer Social Networks | Rima Hazra, Hardik Aggarwal, Pawan Goyal, Animesh Mukherjee and Soumen Chakrabarti |
Open-Domain Conversational Search Assistant with Transformers | Rafael Ferreira, Mariana Leite, David Semedo and Joao Magalhaes |
Evaluating Multilingual Text Encoders for Unsupervised Cross-Lingual Retrieval | Robert Litschko, Ivan Vulić, Simone Paolo Ponzetto and Goran Glavaš |
Drug and Disease Interpretation Learning with Biomedical Entity Representation Transformer | Zulfat Miftakhutdinov, Artur Kadurin, Roman Kudrin and Elena Tutubalina |
Pattern-Aware and Noise-Resilient Embedding Models | Mojtaba Nayyeri, Sahar Vahdati, Emanuel Sallinger, Mirza Mohtashim Alam, Hamed Shariat Yazdi and Jens Lehmann |
Knowledge Graph Convolution Networks for Ranking Diagnoses | Bing Liu, Guido Zuccon, Wen Hua and Weitong Chen |
Personalized User Representation Construction Model for Collaborative Filtering | Daomin Ji, Zhenglong Xiang and Yuanxiang Li |
Sentiment-Oriented Metric Learning for Text-to-Image Retrieval | Quoc-Tuan Truong and Hady Lauw |
Classifying Scientific Publications with BERT – Is Self-Attention a Feature Selection Method? | Andrés García-Silva and Jose Manuel Gomez-Perez |
GCE: Global Contextual Information for Knowledge Graph Embedding | Chen Wang and Jiang Zhong |
Causality-Aware Neighborhood Methods for Recommender Systems | Masahiro Sato, Janmajay Singh, Sho Takemori and Qian Zhang |
Consistency and Coherency Enhanced Story Generation | Wei Wang, Piji Li and Hai-Tao Zheng |
Short Papers
Short Papers | |
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Query Performance Prediction through Retrieval Coherency | Negar Arabzadeh, Amin Bigdeli, Morteza Zihayat and Ebrahim Bagheri |
Should I visit this place? Inclusion and Exclusion Phrase Mining from Reviews | Omkar Gurjar and Manish Gupta |
Detecting and Forecasting Misinformation by Temporal Point Processes | Qiang Zhang, Jonathan Cook and Emine Yilmaz |
Cross-modal Memory Fusion Network for Multimodal Sequential Learning with Missing Values | Chen Lin, Joyce C. Ho and Eugene Agichtein |
Neural Feature Selection for Learning to Rank | Alberto Purpura, Karolina Buchner, Gianmaria Silvello and Gian Antonio Susto |
How Do Users Revise Zero-Hit Product Search Queries? | Yuki Amemiya, Tomohiro Manabe, Sumio Fujita and Tetsuya Sakai |
Event Detection with Entity Markers | Emanuela Boros, Jose Moreno and Antoine Doucet |
Tweet Length Matters: A Comparative Analysis on Topic Detection in Microblogs | Furkan Şahinuç and Cagri Toraman |
Dynamic Cross-Sentential Context Representation for Event Detection | Dorian Kodelja, Romaric Besançon and Olivier Ferret |
BiGBERT: Classifying Educational Web Resources for Kindergarten-12thGrades | Garrett Allen, Brody Downs, Aprajita Shukla, Casey Kennington, Jerry Fails, Katherine Wright and Maria Soledad Pera |
Bayesian System Inference On Shallow Pools | Rodger Benham, Alistair Moffat and J. Shane Culpepper |
Improving Cold-Start Recommendation via Multi-Prior Meta-Learning | Zhengyu Chen, Donglin Wang and Shiqian Yin |
Weakly Supervised Label Smoothing | Gustavo Penha and Claudia Hauff |
Simplified TinyBERT: Knowledge Distillation for Document Retrieval | Xuanang Chen, Ben He, Kai Hui, Le Sun and Yingfei Sun |
SQE-GAN: a Supervised Query Expansion Scheme via GAN | Tianle Fu, Qi Tian and Hui Li |
Transfer Learning and Augmentation for Word Sense Disambiguation | Harsh Kohli |
Exploring the Incorporation of Opinion Polarity for Abstractive Multi-Document Summarization | Dominik Ramsauer and Udo Kruschwitz |
Right for the Right Reasons: Making Image Classification Intuitively Explainable | Anna Nguyen, Adrian Oberföll and Michael Färber |
Predicting Question Responses to Improve the Performance of Retrieval-based Chatbot | Disen Wang and Hui Fang |
Exploring Gender Biases in Information Retrieval Relevance Judgement Datasets | Amin Bigdeli, Negar Arabzadeh, Morteza Zihayat and Ebrahim Bagheri |
Deep Query Likelihood Model for Information Retrieval | Shengyao Zhuang, Hang Li and Guido Zuccon |
Multi-Span Extractive Reading Comprehension without Multi-Span Supervision | Takumi Takahashi, Motoki Taniguchi, Tomoki Taniguchi and Tomoko Ohkuma |
From The Beatles to Billie Eilish: Connecting Provider Representativeness and Exposure in Session-based Recommender Systems | Alejandro Ariza, Francesco Fabbri, Ludovico Boratto and Maria Salamo |
Diversity Aware Relevance Learning for Argument Search | Michael Fromm, Max Berrendorf, Sandra Obermeier, Thomas Seidl and Evgeniy Faerman |
Multilingual Evidence Retrieval and Claim Verification to Combat Global Disinformation: The Power of Polyglotism | Denisa Roberts |
Windowing Models for Abstractive Summarization of Long Texts | Leon Schüller, Florian Wilhelm, Nico Kreiling and Goran Glavaš |
Social Media Popularity Prediction of Planned Events using Deep Learning | Sreekanth Madisetty and Maunendra Sankar Desarkar |
Transformer-based approach towards music emotion recognition from lyrics | Yudhik Agrawal, Ramaguru Guru Ravi Shanker and Vinoo Alluri |
Towards Dark Jargon Interpretation in Underground Forums | Dominic Seyler, Wei Liu, Xiaofeng Wang and Chengxiang Zhai |
Multi-Head Self-Attention with Role-Guided Masks | Dongsheng Wang, Casper Hansen, Lucas Chaves Lima, Christian Hansen, Maria Maistro, Jakob Grue Simonsen and Christina Lioma |
How Do Active Reading Strategies Affect Learning Outcomes in Web Search? | Nirmal Roy, Manuel Valle Torre, Ujwal Gadiraju, David Maxwell and Claudia Hauff |
A White Box Analysis of ColBERT | Thibault Formal, Stéphane Clinchant and Benjamin Piwowarski |
PGT: Pseudo Relevance Feedback Using a Graph-based Transformer | Hongchien Yu, Zhuyun Dai and Jamie Callan |
Clustering-augmented Multi-Instance Learning for Neural Relation Extraction | Qi Zhang, Siliang Tang, Jinquan Sun, Yu Wang and Lei Zhang |
Rethink Training of BERT Rerankers in Multi-Stage Retrieval Pipeline | Luyu Gao, Zhuyun Dai and Jamie Callan |
Fine-tuning BERT for COVID-19 domain ad-hoc IR by using pseudo-qrels | Xabier Saralegi and Iñaki San Vicente |
A Comparison of Question Rewriting Methods for Conversational Passage Retrieval | Svitlana Vakulenko, Voskarides Nikos, Zhucheng Tu and Shayne Longpre |
Assessing the Benefits of Model Ensembles in Neural Re-Ranking for Passage Retrieval | Luís Borges, Bruno Martins and Jamie Callan |
Textual Complexity as an Indicator of Document Relevance | Anastasia Taranova and Martin Braschler |
Reproducibility Papers
Reproducibility Papers | |
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Robustness of Meta Matrix Factorization Against Strict Privacy Constraints | Peter Müllner, Dominik Kowald and Elisabeth Lex |
Re-Assessing the “Classify and Count” Quantification Method | Alejandro Moreo Fernández and Fabrizio Sebastiani |
Reliability Prediction for Health-related Content: A Replicability Study | Marcos Fernández-Pichel, Juan Carlos Pichel, David Enrique Losada and David Elsweiler |
A Critical Assessment of State-of-the-Art in Entity Alignment | Max Berrendorf, Ludwig Wacker and Evgeniy Faerman |
System Effect Estimation by Sharding: A Comparison between ANOVA Approaches to Detect Significant Differences | Guglielmo Faggioli and Nicola Ferro |
Cross-domain Retrieval in the Legal and Patent Domains: a Reproducability Study | Sophia Althammer, Sebastian Hofstätter and Allan Hanbury |
An Empirical Comparison of Web Page Segmentation Algorithms | Johannes Kiesel, Lars Meyer, Florian Kneist, Benno Stein and Martin Potthast |
Textual Characteristics of News Title and Body to Detect Fake News: A Reproducibility Study | Anu Shrestha and Francesca Spezzano |
Comparing Score Aggregation Approaches for Pretrained Neural Language Models | Xinyu Zhang, Andrew Yates and Jimmy Lin |
Reproducibility, Replicability and Beyond: Assessing Production Readiness of Aspect Based Sentiment Analysis in the Wild | Rajdeep Mukherjee, Shreyas Shetty, Subrata Chattopadhyay, Subhadeep Maji, Samik Datta and Pawan Goyal |
Federated Online Learning to Rank with Evolution Strategies: A Reproducibility Study | Shuyi Wang, Shengyao Zhuang and Guido Zuccon |
Demo Papers
Demo Papers | |
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Aspect-based Passage Retrieval with Contextualized Discourse Vectors | Jens-Michalis Papaioannou, Manuel Mayrdorfer, Sebastian Arnold, Felix A. Gers, Klemens Budde and Alexander Löser |
An Extensible Toolkit of Query Refinement Methods and Gold Standard Dataset Generation | Hossein Fani, Mahtab Tamannaee, Fattane Zarrinkalam, Jamil Samouh, Samad Paydar and Ebrahim Bagheri |
repro_eval: A Python Interface to Reproducibility Measures of System-oriented IR Experiments | Timo Breuer, Nicola Ferro, Maria Maistro and Philipp Schaer |
HSEarch: semantic search system for workplace accident reports | Emrah Inan, Paul Thompson, Tim Yates and Sophia Ananiadou |
LogUI: Contemporary Logging Infrastructure for Web-Based Experiments | David Maxwell and Claudia Hauff |
Brief description of COVID-SEE: The Scientific Evidence Explorer for COVID-19 Related Research | Karin Verspoor, Simon Suster, Yulia Otmakhova, Shevon Mendis, Zenan Zhai, Biaoyan Fang, Jey Han Lau, Timothy Baldwin, Antonio Jimeno and David Martinez |
News Monitor: A Framework For QueryingNews in Real Time | Antonia Saravanou, Nikolaos Panagiotou and Dimitrios Gunopulos |
Time-Matters: Temporal Unfolding of Texts | Ricardo Campos, Jorge Duque, Tiago Cândido, Jorge Mendes, Alipio M. Jorge and Célia Nunes |
LEMONS: Listenable Explanations for Music recOmmeNder Systems | Alessandro Benedetto Melchiorre, Verena Haunschmid, Markus Schedl and Gerhard Widmer |
Signal Briefings: Monitoring News Beyond the Brand | James Brill, Dyaa Albakour, Jose Alberto Esquivel, Udo Kruschwitz, Miguel Martinez and Jon Chamberlain |
Chattack: A Gamified Crowd-sourcing Platform for Tagging Deceptive & Abusive Behaviour | Emmanouil Smyrnakis, Katerina Papantoniou, Panagiotis Papadakos and Yannis Tzitzikas |
AWESSOME: An Unsupervised Sentiment Intensity Scoring Framework using Neural Word Embeddings | Amal Htait and Leif Azzopardi |
CoralExp: An Explainable System to Support Coral Taxonomy Research | Jaiden Harding, Tom Bridge and Gianluca Demartini |
PreFace++: Faceted Retrieval of Prerequisites and Technical Data | Prajna Upadhyay and Maya Ramanath |
Multi-view Conversational Search Interface using a Dialogue-Based Agent | Abhishek Kaushik, Nicolas Loir and Gareth Jones |
CLEF Papers
CLEF Papers | |
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The 2021 ImageCLEF BenchmarkMultimedia Retrieval in Medical, Nature, Internet and Social Media Applications | Bogdan Ionescu, Henning Müller, Renaud Péteri, Asma Ben Abacha, Dina Demner-Fushman, Sadid Hasan, Obioma Pelka, Christoph M. Friedrich, Alba Garcia, Janadhip Jacutprakart, Vassili Kovalev, Serge Kozlovski, Jon Chamberlain, Adrian Clark, Antonio Campello, Hassan Moustahfid, Thomas Oliver, Abigail Schulz, Paul Brie, Raul Berari, Dimitri Fichou, Andrei Tauteanu, Mihai Dogariu, Liviu Daniel Stefan, Mihai Gabriel Constantin, Jérôme Deshayes and Adrian Popescu |
eRisk 2021: Pathological Gambling, Self-Harm and Depression Challenges | Javier Parapar, Patricia Martin-Rodilla, David Losada and Fabio Crestani |
ChEMU 2021: Reaction Reference Resolution and Anaphora Resolution in Chemical Patents | Jiayuan He, Biaoyan Fang, Hiyori Yoshikawa, Saber A. Akhondi, Christian Druckenbrodt, Camilo Thorne, Zubair Afzal, Zenan Zhai, Lawrence Cavedon, Trevor Cohn, Timothy Baldwin and Karin Verspoor |
Overview of Touché 2021: Argument Retrieval | Alexander Bondarenko, Lukas Gienapp, Maik Fröbe, Meriem Beloucif, Yamen Ajjour, Alexander Panchenko, Chris Biemann, Benno Stein, Henning Wachsmuth, Martin Potthast and Matthias Hagen |
Overview of PAN 2021: Authorship Verification, Profiling Hate Speech Spreaders on Twitter, and Style Change Detection | Janek Bevendorff, María Alberta Chulvi Ferriols, Gretel Liz De La Peña Sarracén, Mike Kestemont, Enrique Manjavacas, Ilia Markov, Maximilian Mayerl, Martin Potthast, Francisco Manuel Rangel Pardo, Paolo Rosso, Efstathios Stamatatos, Benno Stein, Matti Wiegmann and Eva Zangerle |
Advancing Math-Aware Search: The ARQMath-2 Lab at CLEF 2021 | Behrooz Mansouri, Anurag Agarwal, Douglas Oard and Richard Zanibbi |
Text Simplification for Scientific Information Access: CLEF 2021 SimpleText Workshop | Liana Ermakova, Patrice Bellot, Pavel Braslavski, Jaap Kamps, Josiane Mothe, Diana Nurbakova, Irina Ovchinnikov and Eric Sanjuan |
CLEF eHealth Evaluation Lab 2021 | Lorraine Goeuriot, Hanna Suominen, Liadh Kelly, Laura Alonso Alemany, Nicola Brew-Sam, Viviana Cotik, Dario Filippo, Gabriela Gonzalez Saez, Franco Luque, Philippe Mulhem, Gabriella Pasi, Roland Roller, Sandaru Seneviratne, Jorge Vivaldi, Marco Viviani and Chenchen Xu |
LifeCLEF 2021: Biodiversity Identification and Prediction Challenges | Hervé Goëau and Alexis Joly |
Living Lab Evaluation for Life and SocialSciences Search Platforms – LiLAS at CLEF 2021 | Philipp Schaer, Johann Schaible and Leyla Jael Garcia Castro |
The CLEF-2021 CheckThat! Lab on Detecting Check-Worthy Claims, Previously Fact-Checked Claims, and Fake News | Preslav Nakov, Giovanni Da San Martino, Tamer Elsayed, Alberto Barrón-Cedeño, Rubén Míguez, Shaden Shaar, Firoj Alam, Fatima Haouari, Maram Hasanain, Nikolay Babulkov, Alex Nikolov, Gautam Kishore Shahi, Julia Maria Struß and Thomas Mandl |
BioASQ at CLEF2021: Large-scale biomedicalsemantic indexing and question answering | Anastasia Krithara, Anastasios Nentidis, Georgios Paliouras, Martin Krallinger and Antonio Miranda |
Doctoral Consortium Papers
Doctoral Consortium Papers | |
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Automated Multi-Document Text Summarization from Heterogeneous Data Sources | Mahsa Abazari Kia |
Background Linking of News Articles | Marwa Essam |
Deep Learning System for Biomedical Relation Extraction Combining External Sources of Knowledge | Diana Sousa |
Deep Semantic Entity Linking | Pedro Ruas |
Multidimensional Relevance in Task-Specific Retrieval | Divi Galih Prasetyo Putri |