All Stories

  1. Evaluation Validity in Information Retrieval

    Article • July 2026, ACM (Association for Computing Machinery)

    Mark Sanderson

  2. Understanding and Modeling Heterogeneous Search Behavior

    Article • July 2026, ACM (Association for Computing Machinery)

    Mark Sanderson, Chenglong Ma

  3. Mitigating Bias in Large Language Model Based Question Answering through Causal Front Door Prompting

    Article • July 2026, ACM (Association for Computing Machinery)

    ZIQI XU, Chenglong Ma, Yongli Ren, Jie Li, Mark Sanderson

  4. An Eye Tracking Study: Are AI Overviews Changing Search Behavior?

    Article • July 2026, ACM (Association for Computing Machinery)

    Mark Sanderson

  5. Deletion Isn't Enough: Auditing RAG for Selective Forgetting

    Article • July 2026, ACM (Association for Computing Machinery)

    Mark Sanderson, Leila Tavakoli

  6. Performance-Driven QUBO for Recommender Systems on Quantum Annealers

    Article • ACM Transactions on Recommender Systems, May 2026, ACM (Association for Computing Machinery)

    Mark Sanderson, Yongli Ren, Jiayang Niu

  7. Diversity-Augmented Negative Sampling for Implicit Collaborative Filtering

    Article • April 2026, ACM (Association for Computing Machinery)

    Mark Sanderson

  8. On the Use of LLMs for Relevance Labelling

    Article • ACM Transactions on Information Systems, January 2026, ACM (Association for Computing Machinery)

    Mark Sanderson, Marwah Alaofi

  9. Evaluating and Addressing Fairness Across User Groups in Negative Sampling for Recommender Systems

    Article • November 2025, ACM (Association for Computing Machinery)

    Mark Sanderson

  10. A Comparative Analysis of Linguistic and Retrieval Diversity in LLM-Generated Search Queries

    Article • November 2025, ACM (Association for Computing Machinery)

    Mark Sanderson, Oleg Zendel

  11. "Nuisance is Better Than Nothing?": Exploring How Pedestrians and Cyclists Perceive Automated E-Scooter Alerts in Shared Spaces MHCI023

    Article • Proceedings of the ACM on Human-Computer Interaction, September 2025, ACM (Association for Computing Machinery)

    Mark Sanderson

  12. Principles and Guidelines for the Use of LLM Judges

    Article • July 2025, ACM (Association for Computing Machinery)

    Faegheh Hasibi, Mark Sanderson, Oleg Zendel

  13. Demographically-Inspired Query Variants Using an LLM

    Article • July 2025, ACM (Association for Computing Machinery)

    Mark Sanderson

  14. Preaching to the ChoIR: Lessons IR Should Share with AI

    Article • July 2025, ACM (Association for Computing Machinery)

    Gianluca Demartini, Kevin Roitero, Mark Sanderson, Damiano Spina, Prof.dr.ir. Arjen P. de Vries

  15. Classifying Term Variants in Query Formulation

    Article • July 2025, ACM (Association for Computing Machinery)

    Mark Sanderson

  16. Watch Out! E-scooter Coming Through!: Multimodal Sensing of Mixed Traffic Use and Conflicts Through Riders' Ego-centric Views

    Article • Proceedings of the ACM on Interactive Mobile Wearable and Ubiquitous Technologies, March 2025, ACM (Association for Computing Machinery)

    Mark Sanderson

  17. LLMs can be Fooled into Labelling a Document as Relevant: best café near me; this paper is perfectly relevant

    Article • December 2024, ACM (Association for Computing Machinery)

    Mark Sanderson

  18. Online and Offline Evaluation in Search Clarification

    Article • ACM Transactions on Information Systems, November 2024, ACM (Association for Computing Machinery)

    Leila Tavakoli, Mark Sanderson, Hamed Zamani, Leila Tavakoli

  19. Explaining Recommendation Fairness from a User/Item Perspective

    Article • ACM Transactions on Information Systems, October 2024, ACM (Association for Computing Machinery)

    Yongli Ren, Mark Sanderson, Jie Li

  20. Uncontextualized significance considered dangerous

    Article • July 2024, ACM (Association for Computing Machinery)

    Mark Sanderson

  21. Temporal Conformity-aware Hawkes Graph Network for Recommendations

    Article • May 2024, ACM (Association for Computing Machinery)

    Chenglong Ma, Pablo Castells, Yongli Ren, Mark Sanderson

  22. E-Scooter Dynamics: Unveiling Rider Behaviours and Interactions with Road Users through Multi-Modal Data Analysis

    Article • April 2024, ACM (Association for Computing Machinery)

    Mark Sanderson

  23. Report on The Web Search Revolution: Symposium

    Article • ACM SIGIR Forum, December 2023, ACM (Association for Computing Machinery)

    Mark Sanderson

  24. Designing and Evaluating Presentation Strategies for Fact-Checked Content

    Article • October 2023, ACM (Association for Computing Machinery)

    Mark Sanderson, Damiano Spina

  25. Can Generative LLMs Create Query Variants for Test Collections? An Exploratory Study

    Article • July 2023, ACM (Association for Computing Machinery)

    Mark Sanderson

  26. NEST

    Article • October 2022, ACM (Association for Computing Machinery)

    Yongli Ren, Mark Sanderson, Chenglong Ma, Pablo Castells

  27. A Non-Factoid Question-Answering Taxonomy

    Article • July 2022, ACM (Association for Computing Machinery)

    Mark Sanderson, Vladislav Blinov

  28. How Collaborative Filtering Behaves When Groups of Users Suddenly Shift Preference?

    Article • July 2022, ACM (Association for Computing Machinery)

    Pablo Castells, Mark Sanderson, Yongli Ren, Chenglong Ma

  29. MIMICS-Duo

    Article • July 2022, ACM (Association for Computing Machinery)

    Leila Tavakoli, Hamed Zamani, Mark Sanderson, Johanne Trippas

  30. Where Do Queries Come From?

    Article • July 2022, ACM (Association for Computing Machinery)

    Mark Sanderson, Damiano Spina

  31. How Do You Test a Test?

    Article • February 2022, ACM (Association for Computing Machinery)

    Mark Sanderson

  32. Conversational Search and Recommendation: Introduction to the Special Issue

    Article • ACM Transactions on Information Systems, October 2021, ACM (Association for Computing Machinery)

    Mark Sanderson, Hamed Zamani

  33. Investigating and Mitigating Biases in Crowdsourced Data

    Article • October 2021, ACM (Association for Computing Machinery)

    Mark Sanderson

  34. Accessing Media Via an Audio-only Communication Channel: A Log Analysis

    Article • July 2021, ACM (Association for Computing Machinery)

    Johanne Trippas, Mark Sanderson, Damiano Spina

  35. Popularity Bias in False-positive Metrics for Recommender Systems Evaluation

    Article • ACM Transactions on Information Systems, July 2021, ACM (Association for Computing Machinery)

    Elisa Mena-Maldonado, Pablo Castells, Yongli Ren, Mark Sanderson

  36. An Intent Taxonomy for Questions Asked in Web Search

    Article • March 2021, ACM (Association for Computing Machinery)

    Mark Sanderson, Leila Tavakoli

  37. Quantifying Human-Perceived Answer Utility in Non-factoid Question Answering

    Article • March 2021, ACM (Association for Computing Machinery)

    Leila Tavakoli, Mark Sanderson

  38. A review of public datasets in question answering research

    Article • ACM SIGIR Forum, December 2020, ACM (Association for Computing Machinery)

    Mark Sanderson

  39. Providing Direct Answers in Search Results: A Study of User Behavior

    Article • October 2020, ACM (Association for Computing Machinery)

    Mark Sanderson

  40. Do People and Neural Nets Pay Attention to the Same Words

    Article • October 2020, ACM (Association for Computing Machinery)

    Mark Sanderson

  41. Modeling Search Engine Performance Measurement

    Article • September 2020, ACM (Association for Computing Machinery)

    Mark Sanderson

  42. Joint Modelling of Cyber Activities and Physical Context to Improve Prediction of Visitor Behaviors

    Article • ACM Transactions on Sensor Networks, August 2020, ACM (Association for Computing Machinery)

    Flora Salim, Yongli Ren, Mark Sanderson

  43. Metrics Disagreement in Recommender Systems Evaluation

    Article • July 2020, ACM (Association for Computing Machinery)

    Elisa Mena-Maldonado, Yongli Ren, Pablo Castells, Mark Sanderson

  44. Evaluation of Cross Domain Text Summarization

    Article • July 2020, ACM (Association for Computing Machinery)

    Mark Sanderson

  45. Intelligent Task Recognition: Towards Enabling Productivity Assistance in Daily Life

    Article • June 2020, ACM (Association for Computing Machinery)

    Flora Salim, Yongli Ren, Johann Trippas, Mark Sanderson, Damiano Spina

  46. Dagstuhl seminar 19461 on conversational search

    Article • ACM SIGIR Forum, June 2020, ACM (Association for Computing Machinery)

    Mark Sanderson

  47. A Practical Guide for the Effective Evaluation of Twitter User Geolocation

    Article • ACM Transactions on Social Computing, December 2019, ACM (Association for Computing Machinery)

    Mark Sanderson

  48. Investigating the Learning Process in Job Search

    Article • November 2019, ACM (Association for Computing Machinery)

    Jiaxin Mao, Mark Sanderson, Damiano Spina

  49. Using Collection Shards to Study Retrieval Performance Effect Sizes

    Article • ACM Transactions on Information Systems, July 2019, ACM (Association for Computing Machinery)

    Mark Sanderson

  50. Improving the Accuracy of System Performance Estimation by Using Shards

    Article • July 2019, ACM (Association for Computing Machinery)

    Mark Sanderson

  51. Task Intelligence Workshop @ WSDM 2019

    Article • January 2019, ACM (Association for Computing Machinery)

    Mark Sanderson

  52. Ranking Documents by Answer-Passage Quality

    Article • June 2018, ACM (Association for Computing Machinery)

    Mark Sanderson

  53. A Living Lab Study of Query Amendment in Job Search

    Article • June 2018, ACM (Association for Computing Machinery)

    Mark Sanderson

  54. Modelling Information Needs in Collaborative Search Conversations

    Article • August 2017, ACM (Association for Computing Machinery)

    Johann Trippas, Mark Sanderson

  55. Using Information Scent to Understand Mobile and Desktop Web Search Behavior

    Article • August 2017, ACM (Association for Computing Machinery)

    Mark Sanderson

  56. On the Benefit of Incorporating External Features in a Neural Architecture for Answer Sentence Selection

    Article • August 2017, ACM (Association for Computing Machinery)

    Mark Sanderson

  57. Extracting audio summaries to support effective spoken document search

    Article • Journal of the Association for Information Science and Technology, June 2017, Wiley

    Johann Trippas, Mark Sanderson

  58. How Do People Interact in Conversational Speech-Only Search Tasks

    Article • March 2017, ACM (Association for Computing Machinery)

    Johann Trippas, Mark Sanderson

  59. On the Effectiveness of Query Weighting for Adapting Rank Learners to New Unlabelled Collections

    Article • October 2016, ACM (Association for Computing Machinery)

    Mark Sanderson

  60. Examining Additivity and Weak Baselines

    Article • ACM Transactions on Information Systems, September 2016, ACM (Association for Computing Machinery)

    Mark Sanderson

  61. Evaluating Retrieval over Sessions

    Article • July 2016, ACM (Association for Computing Machinery)

    Mark Sanderson

  62. Features of Disagreement Between Retrieval Effectiveness Measures

    Article • August 2015, ACM (Association for Computing Machinery)

    Mark Sanderson

  63. Towards Understanding the Impact of Length in Web Search Result Summaries over a Speech-only Communication Channel

    Article • August 2015, ACM (Association for Computing Machinery)

    Mark Sanderson, Johann Trippas, Damiano Spina

  64. Analyzing Web behavior in indoor retail spaces

    Article • Journal of the Association for Information Science and Technology, July 2015, Wiley

    Mark Sanderson

  65. Conferences versus journals in computer science

    Article • Journal of the Association for Information Science and Technology, April 2015, Wiley

    Mark Sanderson

  66. Tweet-biased summarization

    Article • Journal of the Association for Information Science and Technology, April 2015, Wiley

    Mark Sanderson

  67. CLEF 2014

    Article • ACM SIGIR Forum, December 2014, ACM (Association for Computing Machinery)

    Mark Sanderson

  68. Tweet Author Location Impacts on Tweet Credibility

    Article • November 2014, ACM (Association for Computing Machinery)

    Mark Sanderson

  69. Retrieving Passages and Finding Answers

    Article • November 2014, ACM (Association for Computing Machinery)

    Mark Sanderson

  70. Improving test collection pools with machine learning

    Article • November 2014, ACM (Association for Computing Machinery)

    Mark Sanderson

  71. Examining New Event Detection

    Article • November 2014, ACM (Association for Computing Machinery)

    Mark Sanderson

  72. Identifying Re-finding Difficulty from User Query Logs

    Article • November 2014, ACM (Association for Computing Machinery)

    Mark Sanderson

  73. How People Use the Web in Large Indoor Spaces

    Article • November 2014, ACM (Association for Computing Machinery)

    Yongli Ren, Mark Sanderson

  74. Size and Source Matter

    Article • November 2014, ACM (Association for Computing Machinery)

    Mark Sanderson