Browse by Author or creator

Group by: Publication Date | Item type | No Grouping

Jump to: Article | Book Section | Conference or Workshop Item | Monograph

Number of items: 120.

Article

Jahani, Hamed and Azzopardi, Leif and Sanderson, Mark (2024) Measuring the retrievability of digital library content using analytics data. Journal of the Association for Information Science and Technology, 75 (11). pp. 1233-1248. ISSN 2330-1635

McGregor, Molly and Azzopardi, Leif and Halvey, Martin (2023) A systematic review of cost, effort, and load research in information search and retrieval, 1972-2020. ACM Transactions on Information Systems, 42 (1). pp. 1-39. 2. ISSN 1046-8188

Schafer, Burkhard and Briggs, Jo and Moncur, Wendy and Nicol, Emma and Azzopardi, Leif (2023) What the Dickens : post-mortem privacy and intergenerational trust. Computer Law and Security Review, 49. 105800. ISSN 0267-3649

Nicol, Emma and Briggs, Jo and Moncur, Wendy and Htait, Amal and Carey, Daniel and Azzopardi, Leif and Schafer, Burkhard (2022) Revealing cumulative risks in online personal information : a data narrative study. Proceedings of the ACM on Human-Computer Interaction, 6 (CSCW2). pp. 1-25. 323. ISSN 2573-0142

Daronnat, Sylvain and Azzopardi, Leif and Halvey, Martin (2022) Comparing levels and types of situational-awareness based agent transparency in human-agent collaboration. Proceedings of the Human Factors and Ergonomics Society Annual Meeting, 66 (1). pp. 1169-1173. ISSN 2169-5067

Nash, Callum and Carey, Dan and Nicol, Emma and Htait, Amal and Schafer, Burkhard and Briggs, Jo and Moncur, Wendy and Azzopardi, Leif (2022) Making sense of trifles : data narratives and cumulative data disclosure. Jusletter IT (Februa). pp. 63-71. ISSN 1664-848X

Nicol, Emma and Htait, Amal and Azzopardi, Leif and Moncur, Wendy (2021) Towards identifying, understanding and controlling cumulative revelations in social media. Proceedings of the Association for Information Science and Technology, 58 (1). pp. 798-800. ISSN 2373-9231

Daronnat, Sylvain and Azzopardi, Leif and Halvey, Martin and Dubiel, Mateusz (2021) Inferring trust from users' behaviours; agents' predictability positively affects trust, task performance and cognitive load in human-agent real-time collaboration. Frontiers in Robotics and AI, 8. 642201. ISSN 2296-9144

Daronnat, Sylvain and Azzopardi, Leif and Halvey, Martin (2021) Impact of agents' errors on performance, reliance and trust in human-agent collaboration. Proceedings of the Human Factors and Ergonomics Society Annual Meeting, 64 (1). pp. 405-409. ISSN 1071-1813

Martínez-Castaño, Rodrigo and Htait, Amal and Azzopardi, Leif and Moshfeghi, Yashar (2020) Early risk detection of self-harm and depression severity using BERT-based transformers : iLab at CLEF eRisk 2020. CEUR Workshop Proceedings, 2696. 50. ISSN 1613-0073

Maxwell, David and Azzopardi, Leif and Moshfeghi, Yashar (2019) The impact of result diversification on search behaviour and performance. Information Retrieval Journal, 22 (5). pp. 422-446. ISSN 1573-7659

Kanoulas, Evangelos and Li, Dan and Azzopardi, Leif and Spijker, Rene (2019) CLEF 2019 technology assisted reviews in empirical medicine overview. CEUR Workshop Proceedings, 2380. 250. ISSN 1613-0073

Russell-Rose, Tony and Chamberlain, Jon and Azzopardi, Leif (2018) Information retrieval in the workplace : a comparison of professional search practices. Information Processing and Management, 54 (6). pp. 1042-1057. ISSN 0306-4573

Kanoulas, Evangelos and Li, Dan and Azzopardi, Leif and Spijker, Rene (2018) CLEF 2018 technologically assisted reviews in empirical medicine overview. CEUR Workshop Proceedings, 2125. ISSN 1613-0073

Tantanasiriwong, Supaporn and Guha, Sumanta and Janecek, Paul and Haruechaiyasak, Choochart and Azzopardi, Leif (2017) Cross-domain citation recommendation based on hybrid topic model and co-citation selection citation selection. International Journal of Data Mining, Modelling and Management, 9 (3). pp. 220-236. ISSN 1759-1163

Kanoulas, Evangelos and Azzopardi, Leif (2017) CLEF 2017 dynamic search lab overview and evaluation. CEUR Workshop Proceedings, 1866. pp. 1-9. ISSN 1613-0073

Kanoulas, Evangelos and Li, Dan and Azzopardi, Leif and Spijker, Rene (2017) CLEF 2017 technologically assisted reviews in empirical medicine overview. CEUR Workshop Proceedings, 1866. pp. 1-29. ISSN 1613-0073

Kalphov, Vassil and Georgiadis, Georgios and Azzopardi, Leif (2017) SiS at CLEF 2017 eHealth tar task. CEUR Workshop Proceedings, 1866. pp. 1-5. ISSN 1613-0073

Pääkkönen, Teemu and Kekäläinen, Jaana and Keskustalo, Heikki and Azzopardi, Leif and Maxwell, David and Järvelin, Kalervo (2017) Validating simulated interaction for retrieval evaluation. Information Retrieval Journal. ISSN 1573-7659

Azzopardi, Leif and Moshfeghi, Yashar and Halvey, Martin and Alkhawaldeh, Rami S. and Balog, Krisztian and Di Buccio, Emanuele and Ceccarelli, Diego and Fernández-Luna, Juan M. and Hull, Charlie and Mannix, Jake and Palchowdhury, Sauparna (2017) Lucene4IR : developing information retrieval evaluation resources using Lucene. ACM SIGIR Forum, 50 (2). pp. 58-75. ISSN 0163-5840

Buivys, Martynas and Azzopardi, Leif (2016) Pienapple search : an integrated search interface to support finding, refinding and sharing. Proceedings of the Association for Information Science and Technology, 53 (1). pp. 1-5. ISSN 2373-9231

Soulier, Laure and Tamine, Lynda and Sakai, Tetsuya and Azzopardi, Leif and Pickens, Jeremy (2016) Report on the First International Workshop on the Evaluation on Collaborative Information Seeking and Retrieval (ECol'2015). ACM SIGIR Forum, 50 (1). pp. 42-48. ISSN 0163-5840

Azzopardi, Leif (2015) A game of search. CEUR Workshop Proceedings, 1345. pp. 4-6. ISSN 1613-0073

Zuccon, G. and Azzopardi, L. and Gasco, E. (2011) Investigating subspace distances in semantic spaces. CEUR Workshop Proceedings, 704. ISSN 1613-0073

Glassey, Richard and Azzopardi, Leif (2011) Finding interest in the stream. Proceedings of the American Society for Information Science and Technology, 48 (1). pp. 1-4. ISSN 1550-8390

Azzopardi, L. and Hudson, S. and Perry, L. and Mallia, C. and Serracino-Inglot, A. and Camilleri, V.F. (2009) Evaluation of the integration of a pharmacist into the hospital outpatient clinic providing care in rheumatoid arthritis. Pharmacy World and Science, 31 (1). pp. 59-60. ISSN 0928-1231

Ruthven, Ian and Baillie, Mark and Azzopardi, Leif and Bierig, Ralf and Nicol, Emma and Sweeney, Simon and Yakici, Murat (2008) Contextual factors affecting the utility of surrogates within exploratory search. Information Processing and Management, 44 (2). pp. 437-462.

Baillie, Mark and Azzopardi, Leif and Ruthven, Ian (2008) Evaluating epistemic uncertainty under incomplete assessments. Information Processing and Management, 44 (2). pp. 811-837. ISSN 0306-4573

Meij, Edgar and Ijzereef, Leonie and Azzopardi, Leif and Kamps, Jaap and De Rijke, Maarten (2005) Combining thesauri-based methods for biomedical retrieval. NIST Special Publication. ISSN 1048-776X

Azzopardi, Leif and Balog, Krisztian and De Rijke, Maarten (2005) Language modeling approaches for enterprise tasks. NIST Special Publication, 500-266. ISSN 1048-776X

Book Section

Liu, Jiqun and Azzopardi, Leif; (2024) Search under uncertainty: Cognitive biases and heuristics : a tutorial on testing, mitigating and accounting for cognitive biases in search experiments. In: SIGIR '24: Proceedings of the 47th International ACM SIGIR Conference on Research and Development in Information Retrieval. Association for Computing Machinery (ACM), USA, pp. 3013-3016. ISBN 979-8-4007-0431-4

Azzopardi, Leif and van der Sluis, Frans; (2024) Seeking socially responsible consumers : exploring the intention-search-behaviour gap. In: CHIIR '24: Proceedings of the 2024 Conference on Human Information Interaction and Retrieval. Association for Computing Machinery, GBR, pp. 153-164. ISBN 9798400704345

Pathak, Kanaad and Azzopardi, Leif and Halvey, Martin; (2024) The influence of presentation and performance on user satisfaction. In: CHIIR '24: Proceedings of the 2024 Conference on Human Information Interaction and Retrieval. Association for Computing Machinery, New York, pp. 77-86. ISBN 9798400704345

Azzopardi, Leif and Maxwell, David and Halvey, Martin and Hauff, Claudia; Gwizdka, Jacek and Rieh, Soo Young, eds. (2023) Driven to distraction : examining the influence of distractors on search behaviours, performance and experience. In: CHIIR 2023 - Proceedings of the 2023 Conference on Human Information Interaction and Retrieval. ACM, USA, pp. 83-94. ISBN 9798400700354

Azzopardi, Leif and Briggs, Jo and Duheric, Melissa and Nash, Callum and Nicol, Emma and Moncur, Wendy and Schafer, Burkhard; (2022) Are Taylor's posts risky? Evaluating cumulative revelations in online personal data : a persona-based tool for evaluating awareness of online risks and harms. In: SIGIR '22 : Proceedings of the 45th International ACM SIGIR Conference on Research and Development in Information Retrieval. SIGIR 2022 - Proceedings of the 45th International ACM SIGIR Conference on Research and Development in Information Retrieval . ACM, New York, 3295–3299. ISBN 9781450387323

Moffat, Alistair and Mackenzie, Joel and Thomas, Paul and Azzopardi, Leif; (2022) A flexible framework for offline effectiveness metrics. In: SIGIR 2022 - Proceedings of the 45th International ACM SIGIR Conference on Research and Development in Information Retrieval. SIGIR 2022 - Proceedings of the 45th International ACM SIGIR Conference on Research and Development in Information Retrieval . ACM, New York, pp. 578-587. ISBN 9781450387323

Abolghasemi, Amin and Verberne, Suzan and Azzopardi, Leif; Hagen, Matthias and Verberne, Suzan and Macdonald, Craig and Seifert, Christin and Balog, Krisztian and Nørvåg, Kjetil and Setty, Vinay, eds. (2022) Improving BERT-based query-by-document retrieval with multi-task optimization. In: Advances in Information Retrieval. Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) . Springer, NOR, pp. 3-12. ISBN 9783030997397

Azzopardi, Leif and Aliannejadi, Mohammad and Kanoulas, Evangelos; Hagen, Matthias and Verberne, Suzan and Macdonald, Craig and Seifert, Christin and Balog, Krisztian and Nørvåg, Kjetil and Setty, Vinay, eds. (2022) Towards building economic models of conversational search. In: Advances in Information Retrieval - 44th European Conference on IR Research, ECIR 2022, Proceedings. Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) . Springer, NOR, pp. 31-38. ISBN 9783030997380

Mackie, Stuart and Azzopardi, Leif and Moshfeghi, Yashar; (2022) An initial analysis of E-procurement search behaviour. In: Information for a Better World. Lecture Notes in Computer Science . Springer, Cham, Switzerland. ISBN 9783030969608

Aliannejadi, Mohammad and Azzopardi, Leif and Zamani, Hamed and Kanoulas, Evangelos and Thomas, Paul and Craswell, Nick; (2021) Analysing mixed initiatives and search strategies during conversational search. In: CIKM '21 : Proceedings of the 30th ACM International Conference on Information & Knowledge Management. Proceedings of the 30th ACM International Conference on Information & Knowledge Management . ACM, New York, NY., pp. 16-26. ISBN 9781450384469

Martínez-Castaño, Rodrigo and Htait, Amal and Azzopardi, Leif and Moshfeghi, Yashar; Candan, K. Selçuk and Ionescu, Bogdan and Goeuriot, Lorraine and Larsen, Birger and Müller, Henning and Joly, Alexis and Maistro, Maria and Piroi, Florina and Faggioli, Guglielmo and Ferro, Nicola, eds. (2021) BERT-based transformers for early detection of mental health illnesses. In: Experimental IR Meets Multilinguality, Multimodality, and Interaction. Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) . Springer Science and Business Media Deutschland GmbH, Virtual, Online, pp. 189-200. ISBN 9783030852504

Azzopardi, Leif and Mackenzie, Joel and Moffat, Alistair; (2021) ERR is not C/W/L : Exploring the relationship between expected reciprocal rank and other metrics. In: ICTIR '21 : Proceedings of the 2021 ACM SIGIR International Conference on Theory of Information Retrieval. ACM, New York, NY., 231–237. ISBN 9781450386111

Htait, Amal and Azzopardi, Leif; (2021) Sentiment intensity prediction using neural word embeddings. In: ICTIR '21 : Proceedings of the 2021 ACM SIGIR International Conference on Theory of Information Retrieval. ACM, NLD, pp. 93-102. ISBN 9781450386111

Soufan, Ayah and Ruthven, Ian and Azzopardi, Leif; (2021) Untangling the concept of task in information seeking and retrieval. In: ICTIR 2021 - Proceedings of the 2021 ACM SIGIR International Conference on Theory of Information Retrieval. ACM, New York, NY., 73–81. ISBN 9781450386111

Htait, Amal and Azzopardi, Leif; Hiemstra, Djoerd and Moens, Marie-Francine and Mothe, Josiane and Perego, Raffaele and Potthast, Martin and Sebastiani, Fabrizio, eds. (2021) AWESSOME : An unsupervised sentiment intensity scoring framework using neural word embeddings. In: Advances in Information Retrieval - 43rd European Conference on IR Research, ECIR 2021, Proceedings. Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), 12657 . Springer, ITA, pp. 509-513. ISBN 9783030722401

Azzopardi, Leif; (2021) Cognitive biases in search : a review and reflection of cognitive biases in Information Retrieval. In: CHIIR 2021 - Proceedings of the 2021 Conference on Human Information Interaction and Retrieval. CHIIR 2021 - Proceedings of the 2021 Conference on Human Information Interaction and Retrieval . ACM, New York, NY., 27–37. ISBN 9781450380553

Foulds, Olivia and Azzopardi, Leif and Halvey, Martin; (2021) Investigating the influence of ads on user search performance, behaviour, and experience during information seeking. In: CHIIR 2021 - Proceedings of the 2021 Conference on Human Information Interaction and Retrieval. CHIIR 2021 - Proceedings of the 2021 Conference on Human Information Interaction and Retrieval . ACM, New York, NY, USA, pp. 107-117. ISBN 9781450380553

McGregor, Molly and Azzopardi, Leif and Halvey, Martin; (2021) Untangling cost, effort, and load in information seeking and retrieval. In: CHIIR 2021 - Proceedings of the 2021 Conference on Human Information Interaction and Retrieval. CHIIR 2021 - Proceedings of the 2021 Conference on Human Information Interaction and Retrieval . ACM, New York, NY., 151–161. ISBN 9781450380553

Azzopardi, Leif and Moffat, Alistair and Thomas, Paul and Zuccon, Guido; (2021) User models, metrics and measures of search : a tutorial on the C/W/L evaluation framework. In: CHIIR 2021 - Proceedings of the 2021 Conference on Human Information Interaction and Retrieval. CHIIR 2021 - Proceedings of the 2021 Conference on Human Information Interaction and Retrieval . ACM, New York, NY., 347–348. ISBN 9781450380553

Daronnat, Sylvain and Azzopardi, Leif and Halvey, Martin and Dubiel, Mateusz; (2020) Impact of agent reliability and predictability on trust in real time human-agent collaboration. In: HAI '20: Proceedings of the 8th International Conference on Human-Agent Interaction. ACM, AUS, pp. 131-139. ISBN 978-1-4503-8054-6

AlQatan, Abdulaziz and Azzopardi, Leif and Moshfeghi, Yashar; (2020) Analyzing the influence of bigrams on retrieval bias and effectiveness. In: ICTIR 2020 - Proceedings of the 2020 ACM SIGIR International Conference on Theory of Information Retrieval. ACM, NOR, 157–160. ISBN 9781450380676

Dubiel, Mateusz and Halvey, Martin and Azzopardi, Leif and Daronnat, Sylvain; (2020) Interactive evaluation of conversational agents : reflections on the impact of search task design. In: ICTIR 2020 - Proceedings of the 2020 ACM SIGIR International Conference on Theory of Information Retrieval. ACM, NOR, 85–88. ISBN 9781450380676

Htait, Amal and Fournier, Sebastien and Bellot, Patrice and Azzopardi, Leif and Pasi, Gabriella; (2020) Using sentiment analysis for pseudo-relevance feedback in social book search. In: ICTIR 2020 - Proceedings of the 2020 ACM SIGIR International Conference on Theory of Information Retrieval. ICTIR 2020 - Proceedings of the 2020 ACM SIGIR International Conference on Theory of Information Retrieval . ACM, NOR, 29–32. ISBN 9781450380676

Htait, Amal and Azzopardi, Leif and Nicol, Emma and Moncur, Wendy; (2020) DataMirror: reflecting on one's data self : a tool for social media users to explore their digital footprint. In: SIGIR '20 - The 43rd International ACM SIGIR Conference on Research and Development in Information Retrieval. ACM, CHN, 2125–2128. ISBN 9781450380164

Foulds, Olivia and Suglia, Alessandro and Azzopardi, Leif and Halvey, Martin; (2020) Predicting perceptual speed from search behaviour. In: SIGIR 2020 - Proceedings of the 43rd International ACM SIGIR Conference on Research and Development in Information Retrieval. ACM, CHN, 1989–1992. ISBN 9781450380164

Foulds, Olivia and Azzopardi, Leif and Halvey, Martin; (2020) Reflecting upon perceptual speed tests in information retrieval : limitations, challenges, and recommendations. In: CHIIR '20: Proceedings of the 2020 Conference on Human Information Interaction and Retrieval. ACM, CAN, pp. 234-242. ISBN 978-1-4503-6892-6

Azzopardi, Leif and White, Ryen W. and Thomas, Paul and Craswell, Nick; (2020) Data-driven evaluation metrics for heterogeneous search engine result pages. In: CHIIR 2020 - Proceedings of the 2020 Conference on Human Information Interaction and Retrieval. CHIIR 2020 - Proceedings of the 2020 Conference on Human Information Interaction and Retrieval . ACM, New York, 213–222. ISBN 9781450368926

Azzopardi, Leif and Moffat, Alistair and Thomas, Paul and Zuccon, Guido; (2019) Building economic models and measures of search. In: SIGIR 2019 - Proceedings of the 42nd International ACM SIGIR Conference on Research and Development in Information Retrieval. SIGIR 2019 - Proceedings of the 42nd International ACM SIGIR Conference on Research and Development in Information Retrieval . ACM, FRA, pp. 1401-1402. ISBN 9781450361729

Mackie, Stuart and MacDonald, David and Azzopardi, Leif and Moshfeghi, Yashar; (2019) Looking for opportunities : challenges in professional procurement search. In: SIGIR 2019 - Proceedings of the 42nd International ACM SIGIR Conference on Research and Development in Information Retrieval. SIGIR 2019 - Proceedings of the 42nd International ACM SIGIR Conference on Research and Development in Information Retrieval . ACM, FRA, pp. 1397-1398. ISBN 9781450361729

Azzopardi, Leif and Thomas, Paul and Moffat, Alistair; (2019) cwl_eval : An evaluation tool for information retrieval. In: SIGIR 2019 - Proceedings of the 42nd International ACM SIGIR Conference on Research and Development in Information Retrieval. SIGIR 2019 - Proceedings of the 42nd International ACM SIGIR Conference on Research and Development in Information Retrieval . ACM, FRA, pp. 1321-1324. ISBN 9781450361729

Azzopardi, Leif and Zuccon, Guido; (2019) Building economic models of human computer interaction. In: CHI EA 2019 - Extended Abstracts of the 2019 CHI Conference on Human Factors in Computing Systems. Association for Computing Machinery, Inc, GBR. ISBN 9781450359719

Kelly, Liadh and Goeuriot, Lorraine and Suominen, Hanna and Neves, Mariana and Kanoulas, Evangelos and Spijker, Rene and Azzopardi, Leif and Li, Dan and Jimmy and Palotti, João and Zuccon, Guido; (2019) CLEF eHealth 2019 evaluation lab. In: European Conference on Information Retrieval 2019. Springer, DEU, pp. 267-274. ISBN 9783030157180

Suominen, Hanna and Kelly, Liadh and Goeuriot, Lorraine and Névéol, Aurélie and Ramadier, Lionel and Robert, Aude and Kanoulas, Evangelos and Spijker, Rene and Azzopardi, Leif and Li, Dan and Jimmy and Palotti, João and Zuccon, Guido; SanJuan, Eric and Murtagh, Fionn and Nie, Jian Yun and Soulier, Laure and Cappellato, Linda and Bellot, Patrice and Mothe, Josiane and Trabelsi, Chiraz and Ferro, Nicola, eds. (2018) Overview of the CLEF ehealth evaluation lab 2018. In: Experimental IR Meets Multilinguality, Multimodality, and Interaction - 9th International Conference of the CLEF Association, CLEF 2018, Proceedings. Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) . Springer-Verlag, FRA, pp. 286-301. ISBN 9783319989310

Scells, Harrisen and Azzopardi, Leif and Zuccon, Guido and Koopman, Bevan; (2018) Query variation performance prediction for systematic reviews. In: 41st International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2018. ACM, USA, pp. 1089-1092. ISBN 9781450356572

Maxwell, David and Azzopardi, Leif; (2018) Information scent, searching and stopping : modelling SERP level stopping behaviour. In: Advances in Information Retrieval - 40th European Conference on IR Research, ECIR 2018, Proceedings. Springer-Verlag, Berlin, pp. 210-222. ISBN 9783319769400

Azzopardi, Leif and Zuccon, Guido; Oulasvirta, Antti and Kristensson, Per Ola and Bi, Xiaojun and Howes, Andrew, eds. (2018) Economics models of interaction : a tutorial on modeling interaction using economics. In: Computational Interaction. Oxford University Press, Oxford. ISBN 9780198799610

Wilkie, Colin and Azzopardi, Leif; (2017) Algorithmic bias : do good systems make relevant documents more retrievable? In: CIKM 2017 - Proceedings of the 2017 ACM Conference on Information and Knowledge Management. ACM, SGP, pp. 2375-2378. ISBN 9781450349185

Scells, Harrisen and Zuccon, Guido and Koopman, Bevan and Deacon, Anthony and Azzopardi, Leif and Geva, Shlomo; (2017) Integrating the framing of clinical questions via PICO into the retrieval of medical literature for systematic reviews. In: CIKM 2017 - Proceedings of the 2017 ACM Conference on Information and Knowledge Management. Association for Computing Machinery, SGP, pp. 2291-2294. ISBN 9781450349185

Chen, Ruey-Cheng and Azzopardi, Leif and Scholer, Falk; (2017) An empirical analysis of pruning techniques performance, retrievability and bias. In: CIKM 2017 - Proceedings of the 2017 ACM Conference on Information and Knowledge Management. Association for Computing Machinery, SGP, pp. 2023-2026. ISBN 9781450349185

Tran, Vu and Maxwell, David and Fuhr, Norbert and Azzopardi, Leif; (2017) Personalised search time prediction using Markov chains. In: ICTIR 2017 - Proceedings of the 2017 ACM SIGIR International Conference on the Theory of Information Retrieval. Association for Computing Machinery, Inc, NLD, pp. 237-240. ISBN 9781450344906

Wilkie, Colin and Azzopardi, Leif; (2017) An initial investigation of query expansion bias. In: ICTIR 2017 - Proceedings of the 2017 ACM SIGIR International Conference on the Theory of Information Retrieval. ACM, NLD, pp. 285-288. ISBN 9781450344906

Kanoulas, Evangelos and Azzopardi, Leif; Jones, Gareth J.F. and Lawless, Séamus and Gonzalo, Julio and Kelly, Liadh and Goeuriot, Lorraine and Mandl, Thomas and Cappellato, Linda and Ferro, Nicola, eds. (2017) CLEF 2017 dynamic search evaluation lab overview. In: Experimental IR Meets Multilinguality, Multimodality, and Interaction. Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), 10456 . Springer-Verlag, IRL, pp. 361-366. ISBN 9783319658131

Maxwell, David and Azzopardi, Leif and Moshfeghi, Yashar; (2017) A study of snippet length and informativeness : behaviour, performance and user experience. In: Proceedings of the 40th International ACM SIGIR Conference on Research and Development in Information Retrieval. SIGIR '17 . ACM, New York, NY., pp. 135-144. ISBN 9781450350228

Hiemstra, Djoerd and Hau, Claudia and Azzopardi, Leif; (2017) Exploring the query halo effect in site search : leading people to longer queries. In: SIGIR '17 Proceedings of the 40th International ACM SIGIR Conference on Research and Development in Information Retrieval. ACM, JPN, pp. 981-984. ISBN 9781450350228

Azzopardi, Leif and Crane, Matt and Fang, Hui and Ingersoll, Grant and Lin, Jimmy and Moshfeghi, Yashar and Scells, Harrisen and Yang, Peilin and Zuccon, Guido; (2017) The Lucene for information access and retrieval research (LIARR) workshop at SIGIR 2017. In: SIGIR '17 Proceedings of the 40th International ACM SIGIR Conference on Research and Development in Information Retrieval. ACM, New York, NY, pp. 1429-1430. ISBN 9781450350228

Scells, Harrisen and Zuccon, Guido and Koopman, Bevan and Deacon, Anthony and Azzopardi, Leif and Geva, Shlomo; (2017) A test collection for evaluating retrieval of studies for inclusion in systematic reviews. In: SIGIR '17 Proceedings of the 40th International ACM SIGIR Conference on Research and Development in Information Retrieval. ACM, JPN, pp. 1237-1240. ISBN 9781450350228

Moshfeghi, Yashar and Rothfeld, Raoul and Azzopardi, Leif and Triantafillou, Peter; Jose, Joemon M. and Hauff, Claudia and Altıngovde, Ismail Sengor and Song, Dawei and Albakour, Dyaa and Watt, Stuart and Tait, John, eds. (2017) A task completion engine to enhance search session support for air traffic work tasks. In: European Conference on Information Retrieval. Lecture Notes in Computer Science, 10193 . Springer International Publishing AG, GBR, pp. 278-290. ISBN 9783319566078

Azzopardi, Leif; (2017) Building cost-benefit models of information interactions. In: Proceedings of the 2017 Conference on Human Information Interaction and Retrieval. ACM, NOR, pp. 425-428. ISBN 9781450346771

Azzopardi, Leif and Pickens, Jeremy and Shah, Chirag and Soulier, Laure and Tamine, Lynda; (2017) Second International Workshop on the Evaluation of Collaborative Information Seeking and Retrieval (Ecol'17). In: Proceedings of the 2017 Conference on Conference Human Information Interaction and Retrieval. ACM, NOR, pp. 429-431. ISBN 9781450346771

Maxwell, David and Azzopardi, Leif; (2016) Agents, simulated users and humans : an analysis of performance and behaviour. In: CIKM '16 : Proceedings of the 25th ACM International on Conference on Information and Knowledge Management. ACM, New York, NY., pp. 731-740. ISBN 9781450340731

Azzopardi, Leif and Zuccon, Guido; (2016) Advances in formal models of search and search behaviour. In: Proceedings of the 2016 ACM International Conference on the Theory of Information Retrieval. ACM, New York, NY, USA, pp. 1-4. ISBN 9781450344975

Azzopardi, Leif and Zuccon, Guido; (2016) An analysis of the cost and benefit of search interactions. In: ICTIR '16 Proceedings of the 2016 ACM International Conference on the Theory of Information Retrieval. ACM, New York,, pp. 59-68. ISBN 9781450344975

Wilkie, Colin and Azzopardi, Leif; (2016) A topical approach to retrievability bias estimation. In: Proceedings of the 2016 ACM International Conference on the Theory of Information Retrieval. ACM, New York, NY, USA, pp. 119-122. ISBN 9781450344975

Azzopardi, Leif and Zuccon, Guido; (2016) Two scrolls or one click : a cost model for browsing search results. In: Advances in Information Retrieval. Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), 9626 . Springer-Verlag, ITA, pp. 696-702. ISBN 9783319306704

Maxwell, David and Azzopardi, Leif and Järvelin, Kalervo and Keskustalo, Heikki; (2015) Searching and stopping : an analysis of stopping rules and strategies. In: CIKM '15 : Proceedings of the 24th ACM International on Conference on Information and Knowledge Management. ACM, New York, NY., pp. 313-322. ISBN 9781450337946

Zuccon, Guido and Leelanupab, Teerapong and Nguyen, Anthony and Azzopardi, Leif; (2011) Indexing without spam. In: ADCS 2011 - Proceedings of the Sixteenth Australasian Document Computing Symposium. RMIT University, AUS, pp. 6-13. ISBN 9781921426926

Song, D. and Lalmas, M. and Van Rijsbergen, C. J. and Frommholz, I. and Piwowarski, B. and Wang, J. and Zhang, P. and Zuccon, G. and Bruza, P. D. and Arafat, S. and Azzopardi, L. and Di Buccio, E. and Huertas-Rosero, A. and Hou, Y. and Melucci, M. and Rüger, S.; (2010) How quantum theory is developing the field of information retrieval. In: Quantum Informatics for Cognitive, Social, and Semantic Processes - Papers from the AAAI Fall Symposium, Technical Report. AAAI Press, USA, pp. 105-108. ISBN 9781577354901

Losada, David E. and Azzopardi, Leif and Baillie, Mark; (2008) Revisiting the relationship between document length and relevance. In: CIKM '08 Proceedings of the 17th ACM Conference on Information and Knowledge Management. ACM, New York, NY, USA, pp. 419-428. ISBN 978-1-59593-991-3

Azzopardi, Leif and Baillie, Mark and Ruthven, Ian; (2007) Persuasive, authorative and topical answers for complex question answering. In: The Sixteenth Text REtrieval Conference (TREC 2007) Proceedings. NIST, USA.

Baillie, M. and Azzopardi, L. and Ruthven, I.; (2007) A retrieval evaluation methodology for incomplete relevance assessments. In: Advances in Information Retrieval: 29th European Conference on IR Research (ECIR 2007). Lecture Notes in Computer Science, 4425 . Springer. ISBN 978-3-540-71494-1

Azzopardi, Leif and Baillie, Mark and Crestani, Fabio; (2006) Adaptive query-based sampling for distributed IR. In: SIGIR '06 Proceedings of the 29th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval. SIGIR '06 . ACM, New York, NY, USA, pp. 605-606. ISBN 1595933697

Azzopardi, Leif and de Rijke, Maarten; (2006) Automatic construction of known-item finding test beds. In: SIGIR '06 Proceedings of the 29th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval. SIGIR '06 . ACM, New York, NY, USA, pp. 603-604. ISBN 1-59593-369-7

Baillie, Mark and Azzopardi, Leif and Crestani, Fabio; (2006) Towards better measures : evaluation of estimated resource description quality for distributed IR. In: InfoScale '06 Proceedings of the 1st International Conference on Scalable Information Systems. InfoScale '06 . ACM, New York, NY, USA. ISBN 1-59593-428-6

Baillie, M. and Azzopardi, L. and Crestani, F.; (2006) An evaluation of resource description quality measures. In: Proceedings of the 2006 ACM symposium on Applied computing. ACM, FRA, pp. 1110-1111. ISBN 1595931082

Azzopardi, C. and Azzopardi, L. and Baillie, M. and Bierig, R. and Nicol, E. and Ruthven, I. and Sweeney, S.; Voorhees, E.M. and Buckland, L.P., eds. (2006) Contextual information and assessor characteristics in complex question answering. In: The Fifteenth Text REtrieval Conference (TREC 2006) Proceedings. NIST.

Balog, Krisztian and Azzopardi, Leif and de Rijke, Maarten; (2006) Formal models for expert finding in enterprise corpora. In: Proceedings of the 29th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval. ACM, New York, NY, USA, pp. 43-50. ISBN 1-59593-369-7

Azzopardi, Leif and Losada, David E.; (2006) An efficient computation of the multiple-bernoulli language model. In: Advances in Information Retrieval. Lecture Notes in Computer Science, 3936 . Springer-Verlag, Berlin, Heidelberg, pp. 480-483. ISBN 978-3-540-33347-0

Bailey, Alex and Ruthven, Ian and Azzopardi, Leif; (2005) Evaluating user studies in information access. In: Context. CoLIS'05, 3507 . Springer-Verlag, Berlin, Heidelberg, p. 251. ISBN 978-3-540-26178-0

Azzopardi, L. and Girolami, M. and van Rijsbergen, C.J.; (2005) Topic based language models for ad hoc information retrieval. In: 2004 IEEE International Joint Conference on Neural Networks. IEEE, HUN, pp. 3281-3286. ISBN 0780383591