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  • Leif Azzopardi
2020

Analyzing the influence of bigrams on retrieval bias and effectiveness

AlQatan, A., Azzopardi, L. & Moshfeghi, Y., 1 Sep 2020, The ICTIR '20 - The 2020 ACM SIGIR International Conference on the Theory of Information Retrieval. New York, NY., p. 157–160 4 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution book

Open Access
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Open Access
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10 Downloads (Pure)

Data-driven evaluation metrics for heterogeneous search engine result pages

Azzopardi, L., White, R. W., Thomas, P. & Craswell, N., 14 Mar 2020, CHIIR 2020 - Proceedings of the 2020 Conference on Human Information Interaction and Retrieval. New York, p. 213–222 10 p. (CHIIR 2020 - Proceedings of the 2020 Conference on Human Information Interaction and Retrieval).

Research output: Chapter in Book/Report/Conference proceedingConference contribution book

Open Access
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3 Downloads (Pure)

DataMirror: reflecting on one's data self: a tool for social media users to explore their digital footprint

Htait, A., Azzopardi, L., Nicol, E. & Moncur, W., 25 Jul 2020, SIGIR '20 - The 43rd International ACM SIGIR Conference on Research and Development in Information Retrieval. New York, NY., p. 2125–2128 4 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution book

Open Access
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3 Downloads (Pure)

Early risk detection of self-harm and depression severity using BERT-based transformers: iLab at CLEF eRisk 2020

Martínez-Castaño, R., Htait, A., Azzopardi, L. & Moshfeghi, Y., 1 Jul 2020, (Accepted/In press).

Research output: Contribution to conferencePaper

Impact of agents' errors on performance, reliance and trust in human-agent collaboration

Daronnat, S., Azzopardi, L. & Halvey, M., 14 Jul 2020, p. 1-5. 5 p.

Research output: Contribution to conferencePaper

Open Access
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5 Downloads (Pure)

Interactive evaluation of conversational agents: reflections on the impact of search task design

Dubiel, M., Halvey, M., Azzopardi, L. & Daronnat, S., 14 Sep 2020, ICTIR '20 - Proceedings of the 2020 ACM SIGIR on International Conference on Theory of Information Retrieval. New York, NY., p. 85–88 4 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution book

Open Access
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1 Downloads (Pure)

Predicting perceptual speed from search behaviour

Foulds, O., Suglia, A., Azzopardi, L. & Halvey, M., 25 Jul 2020, SIGIR 2020 - Proceedings of the 43rd International ACM SIGIR Conference on Research and Development in Information Retrieval. New York, NY., p. 1989–1992 4 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution book

Open Access
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3 Downloads (Pure)

Reflecting upon perceptual speed tests in information retrieval: limitations, challenges, and recommendations

Foulds, O., Azzopardi, L. & Halvey, M., 18 Mar 2020, CHIIR '20: Proceedings of the 2020 Conference on Human Information Interaction and Retrieval. New York, p. 234-242 9 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution book

Open Access
File
1 Citation (Scopus)
14 Downloads (Pure)

Using sentiment analysis for pseudo-relevance feedback in social book search

Htait, A., Fournier, S., Bellot, P., Azzopardi, L. & Pasi, G., 14 Sep 2020, ICTIR '20 - Proceedings of the 2020 ACM SIGIR on International Conference on Theory of Information Retrieval. New York, NY., p. 29–32 4 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution book

Open Access
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2019

Building economic models and measures of search

Azzopardi, L., Moffat, A., Thomas, P. & Zuccon, G., 18 Jul 2019, SIGIR 2019 - Proceedings of the 42nd International ACM SIGIR Conference on Research and Development in Information Retrieval. New York, p. 1401-1402 2 p. (SIGIR 2019 - Proceedings of the 42nd International ACM SIGIR Conference on Research and Development in Information Retrieval).

Research output: Chapter in Book/Report/Conference proceedingConference contribution book

Open Access
File
1 Citation (Scopus)
3 Downloads (Pure)

Building economic models of human computer interaction

Azzopardi, L. & Zuccon, G., 4 May 2019, CHI EA 2019 - Extended Abstracts of the 2019 CHI Conference on Human Factors in Computing Systems: Extended Abstracts. New York, NY., 4 p. 3298809

Research output: Chapter in Book/Report/Conference proceedingConference contribution book

Open Access
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56 Downloads (Pure)

cal_eval: An evaluation tool for information retrieval

Azzopardi, L., Thomas, P. & Moffat, A., 18 Jul 2019, SIGIR 2019 - Proceedings of the 42nd International ACM SIGIR Conference on Research and Development in Information Retrieval. New York, p. 1321-1324 4 p. (SIGIR 2019 - Proceedings of the 42nd International ACM SIGIR Conference on Research and Development in Information Retrieval).

Research output: Chapter in Book/Report/Conference proceedingConference contribution book

Open Access
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4 Citations (Scopus)
5 Downloads (Pure)

CHIIR 2019 chairs' welcome

Azzopardi, L., Halvey, M. & Ruthven, I., 8 Mar 2019, CHIIR '19 : Proceedings of the 2019 Conference on Human Information Interaction and Retrieval. New York, p. III (CHIIR 2019 - Proceedings of the 2019 Conference on Human Information Interaction and Retrieval).

Research output: Chapter in Book/Report/Conference proceedingForeword/postscript

CLEF 2019 technology assisted reviews in empirical medicine overview

Kanoulas, E., Li, D., Azzopardi, L. & Spijker, R., 12 Sep 2019, In : CEUR Workshop Proceedings. 2380, 31 p., 250.

Research output: Contribution to journalConference article

Open Access
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4 Citations (Scopus)
2 Downloads (Pure)

CLEF eHealth 2019 evaluation lab

Kelly, L., Goeuriot, L., Suominen, H., Neves, M., Kanoulas, E., Spijker, R., Azzopardi, L., Li, D., Jimmy, Palotti, J. & Zuccon, G., 7 Apr 2019, European Conference on Information Retrieval 2019 : Advances in Information Retrieval . Cham: Springer, Vol. 11438. p. 267-274 8 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution book

Open Access
File
3 Citations (Scopus)
12 Downloads (Pure)

Human-agent collaborations: trust in negotiating control

Daronnat, S., Azzopardi, L., Halvey, M. & Dubiel, M., 4 May 2019. 5 p.

Research output: Contribution to conferencePaper

Open Access
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67 Downloads (Pure)

Looking for opportunities: challenges in professional procurement search

Mackie, S., MacDonald, D., Azzopardi, L. & Moshfeghi, Y., 18 Jul 2019, SIGIR 2019 - Proceedings of the 42nd International ACM SIGIR Conference on Research and Development in Information Retrieval. New York, p. 1397-1398 2 p. (SIGIR 2019 - Proceedings of the 42nd International ACM SIGIR Conference on Research and Development in Information Retrieval).

Research output: Chapter in Book/Report/Conference proceedingConference contribution book

Open Access
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2 Downloads (Pure)

Preface

Azzopardi, L., Stein, B., Fuhr, N., Mayr, P., Hauff, C. & Hiemstra, D., 1 Jan 2019, Advances in Information Retrieval: 41st European Conference on IR Research, ECIR 2019, Cologne, Germany, April 14–18, 2019, Proceedings, Part II. Switzerland: Springer International Publishing AG, Vol. 11438. p. v-vi (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)).

Research output: Chapter in Book/Report/Conference proceedingForeword/postscript

The impact of result diversification on search behaviour and performance

Maxwell, D., Azzopardi, L. & Moshfeghi, Y., 31 Oct 2019, In : Information Retrieval Journal. 22, 5, p. 422-446 25 p.

Research output: Contribution to journalArticle

Open Access
File
2 Citations (Scopus)
14 Downloads (Pure)
2018

CLEF 2018 technologically assisted reviews in empirical medicine overview

Kanoulas, E., Li, D., Azzopardi, L. & Spijker, R., 24 Jul 2018, In : CEUR Workshop Proceedings. 2125, 34 p.

Research output: Contribution to journalConference article

Open Access
File
10 Citations (Scopus)
6 Downloads (Pure)

Conceptualizing agent-human interactions during the conversational search process

Azzopardi, L., Dubiel, M., Halvey, M. & Dalton, J., 12 Jul 2018. 8 p.

Research output: Contribution to conferencePaper

Open Access
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67 Downloads (Pure)

Economics models of interaction: a tutorial on modeling interaction using economics

Azzopardi, L. & Zuccon, G., 18 Jan 2018, Computational Interaction. Oulasvirta, A., Kristensson, P. O., Bi, X. & Howes, A. (eds.). Oxford: Oxford University Press, 29 p.

Research output: Chapter in Book/Report/Conference proceedingOther chapter contribution

Open Access
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18 Downloads (Pure)

Improving conversational dynamics with reactive speech synthesis

Dubiel, M., Halvey, M., Azzopardi, L., Aylett, M., Wester, M. & Braude, D. A., 22 Apr 2018.

Research output: Contribution to conferencePaper

Open Access
File
31 Downloads (Pure)

Information retrieval in the workplace: a comparison of professional search practices

Russell-Rose, T., Chamberlain, J. & Azzopardi, L., 1 Nov 2018, In : Information Processing and Management. 54, 6, p. 1042-1057 16 p.

Research output: Contribution to journalArticle

Open Access
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1 Citation (Scopus)
9 Downloads (Pure)

Information scent, searching and stopping: modelling SERP level stopping behaviour

Maxwell, D. & Azzopardi, L., 30 Apr 2018, Advances in Information Retrieval - 40th European Conference on IR Research, ECIR 2018, Proceedings: Lecture Notes in Computer Science. Berlin: Springer-Verlag, Vol. 10772. p. 210-222 13 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution book

Open Access
File
3 Citations (Scopus)
50 Downloads (Pure)
61 Downloads (Pure)

Measuring the utility of search engine result pages: an information foraging based measure

Azzopardi, L., Thomas, P. & Craswell, N., 8 Jul 2018, p. 605-614. 10 p.

Research output: Contribution to conferencePaper

Open Access
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24 Citations (Scopus)
31 Downloads (Pure)

Overview of the CLEF ehealth evaluation lab 2018

Suominen, H., Kelly, L., Goeuriot, L., Névéol, A., Ramadier, L., Robert, A., Kanoulas, E., Spijker, R., Azzopardi, L., Li, D., Jimmy, Palotti, J. & Zuccon, G., 14 Sep 2018, Experimental IR Meets Multilinguality, Multimodality, and Interaction - 9th International Conference of the CLEF Association, CLEF 2018, Proceedings. SanJuan, E., Murtagh, F., Nie, J. Y., Soulier, L., Cappellato, L., Bellot, P., Mothe, J., Trabelsi, C. & Ferro, N. (eds.). Cham: Springer-Verlag, p. 286-301 16 p. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); vol. 11018 LNCS).

Research output: Chapter in Book/Report/Conference proceedingConference contribution book

Open Access
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34 Citations (Scopus)
7 Downloads (Pure)

Preface

Pasi, G., Piwowarski, B., Azzopardi, L. & Hanbury, A., 8 Apr 2018, Advances in Information Retrieval: 40th European Conference on IR Research, ECIR 2018, Grenoble, France, March 26-29, 2018, Proceedings. Pasi, G., Piwowarski, B., Azzopardi, L. & Hanbury, A. (eds.). Cham: Springer-Verlag, p. vi-vi 1 p. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)).

Research output: Chapter in Book/Report/Conference proceedingForeword/postscript

Query variation performance prediction for systematic reviews

Scells, H., Azzopardi, L., Zuccon, G. & Koopman, B., 27 Jun 2018, 41st International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2018. New York, NY., p. 1089-1092 4 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution book

Open Access
File
6 Citations (Scopus)
15 Downloads (Pure)

The impact of fielding on retrieval performance and bias

Wilkie, C. & Azzopardi, L., 10 Nov 2018. 10 p.

Research output: Contribution to conferencePaper

Open Access
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1 Citation (Scopus)
12 Downloads (Pure)
2017

Algorithmic bias: do good systems make relevant documents more retrievable?

Wilkie, C. & Azzopardi, L., 6 Nov 2017, CIKM 2017 - Proceedings of the 2017 ACM Conference on Information and Knowledge Management. New York, p. 2375-2378 4 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution book

Open Access
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3 Citations (Scopus)
55 Downloads (Pure)

An empirical analysis of pruning techniques performance, retrievability and bias

Chen, R-C., Azzopardi, L. & Scholer, F., 6 Nov 2017, CIKM 2017 - Proceedings of the 2017 ACM Conference on Information and Knowledge Management. New York, p. 2023-2026 4 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution book

Open Access
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1 Citation (Scopus)
16 Downloads (Pure)

An initial investigation of query expansion bias

Wilkie, C. & Azzopardi, L., 1 Oct 2017, ICTIR 2017 - Proceedings of the 2017 ACM SIGIR International Conference on the Theory of Information Retrieval. New York, p. 285-288 4 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution book

Open Access
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1 Citation (Scopus)
16 Downloads (Pure)

A study of snippet length and informativeness: behaviour, performance and user experience

Maxwell, D., Azzopardi, L. & Moshfeghi, Y., 11 Aug 2017, Proceedings of the 40th International ACM SIGIR Conference on Research and Development in Information Retrieval. New York, NY., p. 135-144 10 p. (SIGIR '17).

Research output: Chapter in Book/Report/Conference proceedingConference contribution book

Open Access
File
10 Citations (Scopus)
54 Downloads (Pure)

A task completion engine to enhance search session support for air traffic work tasks

Moshfeghi, Y., Rothfeld, R., Azzopardi, L. & Triantafillou, P., 8 Apr 2017, European Conference on Information Retrieval: 39th European Conference on IR Research, ECIR 2017, Aberdeen, UK, April 8-13, 2017, Proceedings. Jose, J. M., Hauff, C., Altıngovde, I. S., Song, D., Albakour, D., Watt, S. & Tait, J. (eds.). Cham, Switzerland: Springer International Publishing AG, Vol. 10193. p. 278-290 13 p. (Lecture Notes in Computer Science; vol. 10193).

Research output: Chapter in Book/Report/Conference proceedingConference contribution book

Open Access
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47 Downloads (Pure)

A test collection for evaluating retrieval of studies for inclusion in systematic reviews

Scells, H., Zuccon, G., Koopman, B., Deacon, A., Azzopardi, L. & Geva, S., 7 Aug 2017, SIGIR '17 Proceedings of the 40th International ACM SIGIR Conference on Research and Development in Information Retrieval. New York, NY, p. 1237-1240 4 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution book

Open Access
File
16 Citations (Scopus)
35 Downloads (Pure)

Building cost-benefit models of information interactions

Azzopardi, L., 7 Mar 2017, Proceedings of the 2017 Conference on Human Information Interaction and Retrieval. New York, p. 425-428 4 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution book

Open Access
File
1 Citation (Scopus)
30 Downloads (Pure)

CLEF 2017 dynamic search evaluation lab overview

Kanoulas, E. & Azzopardi, L., 17 Aug 2017, Experimental IR Meets Multilinguality, Multimodality, and Interaction: 8th International Conference of the CLEF Association, CLEF 2017, Proceedings. Jones, G. J. F., Lawless, S., Gonzalo, J., Kelly, L., Goeuriot, L., Mandl, T., Cappellato, L. & Ferro, N. (eds.). Berlin: Springer-Verlag, Vol. 10456. p. 361-366 6 p. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); vol. 10456 LNCS).

Research output: Chapter in Book/Report/Conference proceedingConference contribution book

Open Access
File
1 Citation (Scopus)
7 Downloads (Pure)

CLEF 2017 dynamic search lab overview and evaluation

Kanoulas, E. & Azzopardi, L., 11 Sep 2017, In : CEUR Workshop Proceedings. 1866, p. 1-9 9 p.

Research output: Contribution to journalArticle

Open Access
File
33 Downloads (Pure)

CLEF 2017 technologically assisted reviews in empirical medicine overview

Kanoulas, E., Li, D., Azzopardi, L. & Spijker, R., 11 Sep 2017, In : CEUR Workshop Proceedings. 1866, p. 1-29 29 p.

Research output: Contribution to journalArticle

Open Access
File
19 Citations (Scopus)
98 Downloads (Pure)

Cross-domain citation recommendation based on hybrid topic model and co-citation selection citation selection

Tantanasiriwong, S., Guha, S., Janecek, P., Haruechaiyasak, C. & Azzopardi, L., 13 Sep 2017, In : International Journal of Data Mining, Modelling and Management. 9, 3, p. 220-236 17 p.

Research output: Contribution to journalArticle

Open Access
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33 Downloads (Pure)

Exploring the query halo effect in site search: leading people to longer queries

Hiemstra, D., Hau, C. & Azzopardi, L., 7 Aug 2017, SIGIR '17 Proceedings of the 40th International ACM SIGIR Conference on Research and Development in Information Retrieval. New York, NY, p. 981-984 4 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution book

Open Access
File
24 Downloads (Pure)

Integrating the framing of clinical questions via PICO into the retrieval of medical literature for systematic reviews

Scells, H., Zuccon, G., Koopman, B., Deacon, A., Azzopardi, L. & Geva, S., 6 Nov 2017, CIKM 2017 - Proceedings of the 2017 ACM Conference on Information and Knowledge Management. New York, p. 2291-2294 4 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution book

Open Access
File
13 Citations (Scopus)
147 Downloads (Pure)

Lucene4IR: developing information retrieval evaluation resources using Lucene

Azzopardi, L., Moshfeghi, Y., Halvey, M., Alkhawaldeh, R. S., Balog, K., Di Buccio, E., Ceccarelli, D., Fernández-Luna, J. M., Hull, C., Mannix, J. & Palchowdhury, S., 14 Feb 2017, In : ACM SIGIR Forum. 50, 2, p. 58-75 18 p.

Research output: Contribution to journalArticle

Open Access
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182 Downloads (Pure)

Personalised search time prediction using Markov chains

Tran, V., Maxwell, D., Fuhr, N. & Azzopardi, L., 1 Oct 2017, ICTIR 2017 - Proceedings of the 2017 ACM SIGIR International Conference on the Theory of Information Retrieval. p. 237-240 4 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution book

Open Access
File
3 Citations (Scopus)
52 Downloads (Pure)

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

Azzopardi, L., Pickens, J., Shah, C., Soulier, L. & Tamine, L., 7 Mar 2017, Proceedings of the 2017 Conference on Conference Human Information Interaction and Retrieval. New York, p. 429-431 3 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution book

Open Access
File
2 Citations (Scopus)
27 Downloads (Pure)

SiS at CLEF 2017 eHealth tar task

Kalphov, V., Georgiadis, G. & Azzopardi, L., 11 Sep 2017, In : CEUR Workshop Proceedings. 1866, p. 1-5 5 p.

Research output: Contribution to journalArticle

Open Access
File
2 Citations (Scopus)
36 Downloads (Pure)

The Lucene for information access and retrieval research (LIARR) workshop at SIGIR 2017

Azzopardi, L., Crane, M., Fang, H., Ingersoll, G., Lin, J., Moshfeghi, Y., Scells, H., Yang, P. & Zuccon, G., 7 Aug 2017, SIGIR '17 Proceedings of the 40th International ACM SIGIR Conference on Research and Development in Information Retrieval. New York, NY, p. 1429-1430 2 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution book

Open Access
File
8 Citations (Scopus)
59 Downloads (Pure)