Monday, July 11th - Room “Valle Inclán”

July 11, 9:00 - 9:30 - Opening

July 11, 9:30 - 10:30 - Keynote “From Search Queries to Conversations in the Design of Information Retrieval and Access Systems” by Emine Yilmaz (UCL, London, UK)

July 11, 10:30 - 11:00 - Coffee break

July 11, 11:00 - 12:30 - Evaluation

• Trond Linjordet, Krisztian Balog and Vinay Setty: Towards Formally Grounded Evaluation Measures for Semantic Parsing-based Knowledge Graph Question Answering

• Fernando Giner: On the Effect of Ranking Axioms on IR Evaluation Metrics

• Ruben van Heusden, Jaap Kamps and Maarten Marx: WooIR: a New Open Page Stream Segmentation Dataset

July 11, 12:30 - 13:30 - Lunch break

July 11, 13:30 - 15:00 - Query Analysis

• Harrisen Scells, Connor Forbes, Justin Clark, Bevan Koopman and Guido Zuccon: The Impact of Query Refinement on Systematic Review Literature Search: A Query Log Analysis

• Chris Samarinas, Arkin Dharawat and Hamed Zamani: Revisiting Open Domain Query Facet Extraction and Generation

• Sahiti Labhishetty and Chegnxiang Zhai: PRE: A Precision-Recall-Effort Optimization Framework for Query Simulation

July 11, 15:00 - 15:30 - Coffee break

July 11, 15:30 - 17:00 - Ranking 1

• Abhijit Anand, Jurek Leonhardt, Koustav Rudra and Avishek Anand: SOLAR: Supervised Contrastive Learning Approach for Contextual Ranking

• Lukas Gienapp, Maik Fröbe, Matthias Hagen and Martin Potthast: Sparse Pairwise Re-ranking with Pre-trained Transformers

• Hamed Zamani, Michael Bendersky, Donald Metzler, Honglei Zhuang and Xuanhui Wang: Stochastic Retrieval-Conditioned Reranking

July 11, 17:00 - 18:00 - Recommendation 1

• Yitong Ji, Aixin Sun, Jie Zhang and Chenliang Li: Do Loyal Users Enjoy Better Recommendations? Understanding Recommender Performance from a Time Perspective

• Farhan Khawar and Adam Roegiest: Non-popular Items for Accurate & Diverse Linear Auto-Encoding Recommenders

• Masahiro Kohjima: Uncoupled Nonnegative Matrix Factorization with Pairwise Comparison Data

July 11, 18:00 - 19:00 - Panel on “Theory: does it still have a core role in IR research?”

July 11, from 20:00 - Welcome reception, Room “Azothea”

Tuesday, July 12th

July 12, 9:30 - 10:30 - Ranking 2 (room “Valle Inclán”)

• Shameem A Puthiya Parambath, Siwei Liu, Christos Anagnostopoulos, Roderick Murray-Smith and Iadh Ounis: Parameter Tuning of Reranking-based Diversification Algorithms using Total Curvature Analysis

• Yumeng Wang, Lijun Lyu and Avishek Anand: BERT Rankers are Brittle: a Study using Adversarial Document Perturbations

• Tuomas Ketola and Thomas Roelleke: Formal Constraints for Structured Document Retrieval

July 12, 9:30 - 10:30 - Querying, Clustering, Summarization (room “Moliner”)

• Ruben van Heusden, Jaap Kamps and Maarten Marx: BCubed Revisited: Elements Like Me

• Rei Shimizu, Sumio Fujita and Tetsuya Sakai: Do Extractive Summarization Algorithms Amplify Lexical Bias in News Articles?

• Agnès Mustar, Sylvain Lamprier and Benjamin Piwowarski: IRnator: a Framework for Discovering Users Needs from Sets of Suggestions

July 12, 10:30 - 11:00 - Coffee break

July 12, 11:00 - 12:30 - Natural Language Processing (room “Valle Inclán”)

• Joseph Telemala and Hussein Suleman: Language-Preference-Based Re-ranking for Multilingual Swahili Information Retrieval

• David Rau and Jaap Kamps: The Role of Complex NLP in Transformers for Text Ranking

• Amin Abolghasemi, Arian Askari and Suzan Verberne: On the Interpolation of Contextualized Term-based Ranking with BM25 for Query-by-Example Retrieval

July 12, 11:00 - 12:30 - Information Needs (room “Moliner”)

• Dominika Michalkova, Mario Parra Rodriguez and Yashar Moshfeghi: Drivers of Information Need: a Behavioural Study

• Sibo Dong, Justin Goldstein and Grace Hui Yang: GazBy: Gaze-Based BERT Model to Incorporate Human Attention in Neural Information Retrieval

• Tan Yu, Hongliang Fei and Ping Li: U-BERT for Fast and Scalable Text-Image Retrieval

July 12, 12:30 - 13:30 - Lunch break

July 12, 13:30 - 15:00 - Ranking 3 (room “Valle Inclán”)

• Alexey Kurennoy, John Coleman, Ian Harris, Alice Lynch, Oisin Mac Fhearai and Daphne Tsatsoulis: A General Framework for Pairwise Unbiased Learning to Rank

• Federico Marcuzzi, Claudio Lucchese and Salvatore Orlando: Filtering out Outliers in Learning to Rank

• Yuan Wang, Shigeki Tanaka, Keita Yokoyama, Hsin-Tai Wu and Yi Fang: Two-sided Rank Consistent Ordinal Regression for Interpretable Music Key Recommendation

July 12, 13:30 - 15:00 - Recommendation 2 (room “Moliner”)

• Kerui Xu, Jun Xu, Sheng Gao, Si Li, Jun Guo and Ji-Rong Wen: A Tag-Based Post-Hoc Framework for Explainable Conversational Recommendation

• Norman Knyazev and Harrie Oosterhuis: The Bandwagon Effect: Not Just Another Bias

• Siamak Zamany, Dingcheng Li, Hongliang Fei and Ping Li: Towards Deeper Understanding of Variational Auto-encoders for Binary Collaborative Filtering

July 12, 15:00 - 15:30 - Coffee break

July 12, 15:30 - 16:30 - Keynote on “I3A: An Intelligent Interactive Information Agent Model for Information Retrieval” by Chengxiang Zhai (Univ. Illinois at Urbana-Champaign, USA) (room “Valle Inclán”)

July 12, 16:30 - 17:20 - ICTIR Best papers (room “Valle Inclán”)

• Harrie Oosterhuis: Reaching the End of Unbiasedness: Uncovering Implicit Limitations of Click-Based Learning to Rank

• Xiao Fu, Emine Yilmaz and Aldo Lipani: Evaluating the Cranfield Paradigm for Conversational Search Systems

July 12, 17:20 - 17:30 - Closing (room “Valle Inclán”)