All Stories

  1. From Query to Conscience: The Importance of Information Retrieval in Empowering Socially Responsible Consumerism

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

    Leif Azzopardi

  2. Conversational Gold: Evaluating Personalized Conversational Search System Using Gold Nuggets

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

    Leif Azzopardi

  3. Evaluating Cognitive Biases in Conversational and Generative IIR: A Tutorial

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

    Leif Azzopardi

  4. SimIIR 3: A Framework for the Simulation of Interactive and Conversational Information Retrieval

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

    Leif Azzopardi

  5. Search under Uncertainty: Cognitive Biases and Heuristics: A Tutorial on Testing, Mitigating and Accounting for Cognitive Biases in Search Experiments

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

    Leif Azzopardi

  6. TREC iKAT 2023: A Test Collection for Evaluating Conversational and Interactive Knowledge Assistants

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

    Leif Azzopardi

  7. Report on the Collab-a-Thon at ECIR 2024

    Article • ACM SIGIR Forum, June 2024, ACM (Association for Computing Machinery)

    Guglielmo Faggioli, Leif Azzopardi

  8. Search under Uncertainty: Cognitive Biases and Heuristics - Tutorial on Modeling Search Interaction using Behavioral Economics

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

    Leif Azzopardi

  9. Uncharted Territory: Understanding Exploratory Search Behaviours in Literature Reviews

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

    Leif Azzopardi

  10. The Influence of Presentation and Performance on User Satisfaction

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

    Leif Azzopardi

  11. Seeking Socially Responsible Consumers: Exploring the Intention-Search-Behaviour Gap

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

    Leif Azzopardi

  12. Retrievability Bias Estimation Using Synthetically Generated Queries

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

    Leif Azzopardi

  13. Driven to Distraction: Examining the Influence of Distractors on Search Behaviours, Performance and Experience

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

    Leif Azzopardi

  14. A Systematic Review of Cost, Effort, and Load Research in Information Search and Retrieval, 1972-2020

    Article • ACM Transactions on Information Systems, February 2023, ACM (Association for Computing Machinery)

    Leif Azzopardi

  15. Revealing Cumulative Risks in Online Personal Information: A Data Narrative Study

    Article • Proceedings of the ACM on Human-Computer Interaction, November 2022, ACM (Association for Computing Machinery)

    Emma Nicol, Leif Azzopardi

  16. A Flexible Framework for Offline Effectiveness Metrics

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

    Leif Azzopardi

  17. Are Taylor's Posts Risky? Evaluating Cumulative Revelations in Online Personal Data

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

    Leif Azzopardi, Emma Nicol

  18. Searching the Literature: An Analysis of an Exploratory Search Task

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

    Leif Azzopardi

  19. Analysing Mixed Initiatives and Search Strategies during Conversational Search

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

    Leif Azzopardi

  20. Untangling the Concept of Task in Information Seeking and Retrieval

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

    Leif Azzopardi

  21. Sentiment Intensity Prediction using Neural Word Embeddings

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

    Leif Azzopardi

  22. ERR is not C/W/L: Exploring the Relationship Between Expected Reciprocal Rank and Other Metrics

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

    Leif Azzopardi

  23. Cognitive Biases in Search

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

    Leif Azzopardi

  24. Investigating the Influence of Ads on User Search Performance, Behaviour, and Experience during Information Seeking

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

    Leif Azzopardi

  25. Untangling Cost, Effort, and Load in Information Seeking and Retrieval

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

    Leif Azzopardi

  26. User Models, Metrics and Measures of Search

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

    Leif Azzopardi

  27. Interactive Evaluation of Conversational Agents: Reflections on the Impact of Search Task Design

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

    Leif Azzopardi

  28. Influence of Bigrams on Information Retrieval Bias and Effectiveness

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

    Leif Azzopardi, ABDULAZIZ ALQATAN

  29. Using Sentiment Analysis for Pseudo-Relevance Feedback in Social Book Search

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

    Leif Azzopardi

  30. Predicting Perceptual Speed from Search Behaviour

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

    Leif Azzopardi

  31. DataMirror: Reflecting on One's Data Self

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

    Leif Azzopardi

  32. Looking for Opportunities

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

    Leif Azzopardi

  33. Building Economic Models and Measures of Search

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

    Leif Azzopardi

  34. cwl_eval

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

    Leif Azzopardi

  35. Measuring the Utility of Search Engine Result Pages

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

    Leif Azzopardi

  36. Algorithmic Bias

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

    Leif Azzopardi

  37. Integrating the Framing of Clinical Questions via PICO into the Retrieval of Medical Literature for Systematic Reviews

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

    Leif Azzopardi

  38. An Empirical Analysis of Pruning Techniques

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

    Leif Azzopardi

  39. The Lucene for Information Access and Retrieval Research (LIARR) Workshop at SIGIR 2017

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

    Leif Azzopardi

  40. Exploring the Query Halo Effect in Site Search

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

    Leif Azzopardi

  41. A Test Collection for Evaluating Retrieval of Studies for Inclusion in Systematic Reviews

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

    Leif Azzopardi

  42. Report on the Information Retrieval Festival (IRFest2017)

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

    Leif Azzopardi

  43. Second International Workshop On the Evaluation of Collaborative Information Seeking and Retrieval (Ecol'17)

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

    Leif Azzopardi, Chirag Shah

  44. Building Cost-Benefit Models of Information Interactions

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

    Leif Azzopardi

  45. Lucene4IR

    Article • ACM SIGIR Forum, February 2017, ACM (Association for Computing Machinery)

    Leif Azzopardi