Dr Nicola Tonellotto
- Honorary Research Fellow (School of Computing Science)
Publications
2026
Macdonald, Craig ORCID: https://orcid.org/0000-0003-3143-279X, MacAvaney, Sean
ORCID: https://orcid.org/0000-0002-8914-2659, Tonellotto, Nicola
ORCID: https://orcid.org/0000-0002-7427-1001 and Wang, Xiao
(2026)
Retrieve, Rerank, Answer, Experiment: Hands-On IR Research with PyTerrier.
In: 49th International ACM SIGIR Conference on Research and Development in Information Retrieval (SIGIR 2026), Melbourne, Australia, 20-24 July 2026,
(Accepted for Publication)
Macdonald, Craig ORCID: https://orcid.org/0000-0003-3143-279X, Tonellotto, Nicola
ORCID: https://orcid.org/0000-0002-7427-1001 and Shen, Zhili
(2026)
A Replicability Study of Joint Product Quantisation for Effective Space-Efficient Dense Retrieval.
In: 49th International ACM SIGIR Conference on Research and Development in Information Retrieval (SIGIR 2026), Melbourne, Australia, 20–24 July 2026,
(Accepted for Publication)
Datta, Suchana, Faggioli, Guglielmo, Ferro, Nicola, Ganguly, Debasis ORCID: https://orcid.org/0000-0003-0050-7138, Muntean, Cristina Ioana, Perego, Raffaele and Tonellotto, Nicola
ORCID: https://orcid.org/0000-0002-7427-1001
(2026)
Projection-displacement based query performance prediction for embedded space of dense retrievers.
ACM Transactions on Information Systems, 44(1),
7.
(doi: 10.1145/3765617)
2025
Pezzuti, Francesca, Mueller, Ariane, MacAvaney, Sean ORCID: https://orcid.org/0000-0002-8914-2659 and Tonellotto, Nicola
ORCID: https://orcid.org/0000-0002-7427-1001
(2025)
Document Quality Scoring for Web Crawling.
In: 2nd International Workshop on Open Web Search (WOWS), Lucca, Italy, 6-10 April 2025,
pp. 13-22.
Petrov, Aleksandr, Macdonald, Craig ORCID: https://orcid.org/0000-0003-3143-279X and Tonellotto, Nicola
ORCID: https://orcid.org/0000-0002-7427-1001
(2025)
Efficient Recommendation with Millions of Items by Dynamic Pruning of Sub-Item Embeddings.
In: 48th International ACM SIGIR Conference on Research and Development in Information Retrieval (SIGIR 2025), Padua, Italy, 13-17 July 2025,
pp. 2102-2111.
ISBN 9798400715921
(doi: 10.1145/3726302.3729963)
MacAvaney, Sean ORCID: https://orcid.org/0000-0002-8914-2659, Mallia, Antonio and Tonellotto, Nicola
ORCID: https://orcid.org/0000-0002-7427-1001
(2025)
Efficient Constant-Space Multi-Vector Retrieval.
In: 47th European Conference on Information Retrieval (ECIR 2025), Lucca, Italy, 06-10 Apr 2025,
pp. 237-245.
ISBN 9783031887079
(doi: 10.1007/978-3-031-88714-7_22)
Pezzuti, Francesca, MacAvaney, Sean ORCID: https://orcid.org/0000-0002-8914-2659 and Tonellotto, Nicola
ORCID: https://orcid.org/0000-0002-7427-1001
(2025)
Exploring the Effectiveness of Multi-stage Fine-tuning for Cross-encoder Re-rankers.
In: 47th European Conference on Information Retrieval (ECIR 2025), Lucca, Italy, 06-10 Apr 2025,
pp. 455-462.
ISBN 9783031887192
(doi: 10.1007/978-3-031-88714-7_45)
Yang, Eugene, Tonellotto, Nicola ORCID: https://orcid.org/0000-0002-7427-1001, Lawrie, Dawn, MacAvaney, Sean
ORCID: https://orcid.org/0000-0002-8914-2659, Mayfield, James, Oard, Douglas and Miller, Scott
(2025)
MURR: Model Updating with Regularized Replay for Searching a Document Stream.
In: 47th European Conference on Information Retrieval (ECIR 2025), Lucca, Italy, 06-10 Apr 2025,
pp. 85-100.
ISBN 9783031887086
(doi: 10.1007/978-3-031-88708-6_6)
2024
Petrov, Aleksandr V., Macdonald, Craig ORCID: https://orcid.org/0000-0003-3143-279X and Tonellotto, Nicola
ORCID: https://orcid.org/0000-0002-7427-1001
(2024)
Efficient Inference of Sub-Item Id-based Sequential Recommendation Models with Millions of Items.
In: 18th ACM Conference on Recommender Systems, Bari, Italy, 14-18 Oct 2024,
pp. 912-917.
ISBN 97984007-05052
(doi: 10.1145/3640457.3688168)
MacAvaney, Sean ORCID: https://orcid.org/0000-0002-8914-2659 and Tonellotto, Nicola
ORCID: https://orcid.org/0000-0002-7427-1001
(2024)
A Reproducibility Study of PLAID.
In: 47th International ACM SIGIR Conference on Research and Development in Information Retrieval (SIGIR 2024), Washington D.C., USA, 14-18 July 2024,
pp. 1411-1419.
ISBN 9798400704314
(doi: 10.1145/3626772.3657856)
2023
Acquavia, Antonio, Tonellotto, Nicola ORCID: https://orcid.org/0000-0002-7427-1001 and Macdonald, Craig
ORCID: https://orcid.org/0000-0003-3143-279X
(2023)
Static Pruning for Multi-Representation Dense Retrieval.
In: 23rd ACM Symposium on Document Engineering (DocEng'23), Limerick, Ireland, 22-25 Aug 2023,
ISBN 9798400700279
(doi: 10.1145/3573128.3604896)
Wang, Xiao, Macdonald, Craig ORCID: https://orcid.org/0000-0003-3143-279X, Tonellotto, Nicola
ORCID: https://orcid.org/0000-0002-7427-1001 and Ounis, Iadh
ORCID: https://orcid.org/0000-0003-4701-3223
(2023)
Reproducibility, Replicability, and Insights into Dense Multi-Representation Retrieval Models: from ColBERT to Col*.
In: 46th International ACM SIGIR Conference on Research and Development in Information Retrieval (SIGIR23), Taipei, Taiwan, 23-27 July 2023,
pp. 2552-2561.
ISBN 9781450394086
(doi: 10.1145/3539618.3591916)
Wang, Xiao, Macdonald, Craig ORCID: https://orcid.org/0000-0003-3143-279X, Tonellotto, Nicola
ORCID: https://orcid.org/0000-0002-7427-1001 and Ounis, Iadh
ORCID: https://orcid.org/0000-0003-4701-3223
(2023)
ColBERT-PRF: Semantic pseudo-relevance feedback for dense passage and document retrieval.
ACM Transactions on the Web, 17(1),
3.
(doi: 10.1145/3572405)
2022
MacAvaney, Sean ORCID: https://orcid.org/0000-0002-8914-2659, Tonellotto, Nicola
ORCID: https://orcid.org/0000-0002-7427-1001 and Macdonald, Craig
ORCID: https://orcid.org/0000-0003-3143-279X
(2022)
Adaptive Re-Ranking with a Corpus Graph.
In: 31st ACM International Conference on Information and Knowledge Management (CIKM '22), Atlanta, Georgia, USA, 17-21 October 2022,
pp. 1491-1500.
ISBN 9781450392365
(doi: 10.1145/3511808.3557231)
Dato, Domenico, MacAvaney, Sean ORCID: https://orcid.org/0000-0002-8914-2659, Nardini, Franco Maria, Perego, Raffaele and Tonellotto, Nicola
ORCID: https://orcid.org/0000-0002-7427-1001
(2022)
The Istella22 Dataset: Bridging Traditional and Neural Learning to Rank Evaluation.
In: SIGIR 2022: 45th International ACM SIGIR Conference on Research and Development in Information Retrieval, Madrid, Spain, 11-15 Jul 2022,
pp. 3099-3107.
ISBN 9781450387323
(doi: 10.1145/3477495.3531740)
2021
Macdonald, Craig ORCID: https://orcid.org/0000-0003-3143-279X, Tonellotto, Nicola
ORCID: https://orcid.org/0000-0002-7427-1001, MacAvaney, Sean
ORCID: https://orcid.org/0000-0002-8914-2659 and Ounis, Iadh
ORCID: https://orcid.org/0000-0003-4701-3223
(2021)
PyTerrier: Declarative Experimentation in Python from BM25 to Dense Retrieval.
In: 30th ACM International Conference on Information and Knowledge Management, Virtual Event Queensland, Australia, 01-05 Nov 2021,
pp. 4526-4533.
ISBN 9781450384469
(doi: 10.1145/3459637.3482013)
Macdonald, Craig ORCID: https://orcid.org/0000-0003-3143-279X and Tonellotto, Nicola
ORCID: https://orcid.org/0000-0002-7427-1001
(2021)
On Approximate Nearest Neighbour Selection for Multi-Stage Dense Retrieval.
In: 30th ACM International Conference on Information and Knowledge Management, 01-05 Nov 2021,
pp. 3318-3322.
ISBN 9781450384469
(doi: 10.1145/3459637.3482156)
Tonellotto, Nicola ORCID: https://orcid.org/0000-0002-7427-1001 and Macdonald, Craig
ORCID: https://orcid.org/0000-0003-3143-279X
(2021)
Query Embedding Pruning for Dense Retrieval.
In: 30th ACM International Conference on Information and Knowledge Management, Virtual Event Queensland, Australia, 01-05 Nov 2021,
pp. 3453-3457.
ISBN 9781450384469
(doi: 10.1145/3459637.3482162)
Wang, Xiao, Macdonald, Craig ORCID: https://orcid.org/0000-0003-3143-279X, Tonellotto, Nicola
ORCID: https://orcid.org/0000-0002-7427-1001 and Ounis, Iadh
ORCID: https://orcid.org/0000-0003-4701-3223
(2021)
Pseudo-Relevance Feedback for Multiple Representation Dense Retrieval.
In: 7th ACM SIGIR International Conference on the Theory of Information Retrieval (ICTIR 2021), 11 Jul 2021,
pp. 297-306.
ISBN 9781450386111
(doi: 10.1145/3471158.3472250)
Macdonald, Craig ORCID: https://orcid.org/0000-0003-3143-279X, Tonellotto, Nicola
ORCID: https://orcid.org/0000-0002-7427-1001 and Ounis, Iadh
ORCID: https://orcid.org/0000-0003-4701-3223
(2021)
On Single and Multiple Representations in Dense Passage Retrieval.
In: 11th Italian Information Retrieval Workshop (IIR 2021), Bari, Italy, 13-15 Sep 2021,
Articles
Datta, Suchana, Faggioli, Guglielmo, Ferro, Nicola, Ganguly, Debasis ORCID: https://orcid.org/0000-0003-0050-7138, Muntean, Cristina Ioana, Perego, Raffaele and Tonellotto, Nicola
ORCID: https://orcid.org/0000-0002-7427-1001
(2026)
Projection-displacement based query performance prediction for embedded space of dense retrievers.
ACM Transactions on Information Systems, 44(1),
7.
(doi: 10.1145/3765617)
Wang, Xiao, Macdonald, Craig ORCID: https://orcid.org/0000-0003-3143-279X, Tonellotto, Nicola
ORCID: https://orcid.org/0000-0002-7427-1001 and Ounis, Iadh
ORCID: https://orcid.org/0000-0003-4701-3223
(2023)
ColBERT-PRF: Semantic pseudo-relevance feedback for dense passage and document retrieval.
ACM Transactions on the Web, 17(1),
3.
(doi: 10.1145/3572405)
Conference Proceedings
Macdonald, Craig ORCID: https://orcid.org/0000-0003-3143-279X, MacAvaney, Sean
ORCID: https://orcid.org/0000-0002-8914-2659, Tonellotto, Nicola
ORCID: https://orcid.org/0000-0002-7427-1001 and Wang, Xiao
(2026)
Retrieve, Rerank, Answer, Experiment: Hands-On IR Research with PyTerrier.
In: 49th International ACM SIGIR Conference on Research and Development in Information Retrieval (SIGIR 2026), Melbourne, Australia, 20-24 July 2026,
(Accepted for Publication)
Macdonald, Craig ORCID: https://orcid.org/0000-0003-3143-279X, Tonellotto, Nicola
ORCID: https://orcid.org/0000-0002-7427-1001 and Shen, Zhili
(2026)
A Replicability Study of Joint Product Quantisation for Effective Space-Efficient Dense Retrieval.
In: 49th International ACM SIGIR Conference on Research and Development in Information Retrieval (SIGIR 2026), Melbourne, Australia, 20–24 July 2026,
(Accepted for Publication)
Pezzuti, Francesca, Mueller, Ariane, MacAvaney, Sean ORCID: https://orcid.org/0000-0002-8914-2659 and Tonellotto, Nicola
ORCID: https://orcid.org/0000-0002-7427-1001
(2025)
Document Quality Scoring for Web Crawling.
In: 2nd International Workshop on Open Web Search (WOWS), Lucca, Italy, 6-10 April 2025,
pp. 13-22.
Petrov, Aleksandr, Macdonald, Craig ORCID: https://orcid.org/0000-0003-3143-279X and Tonellotto, Nicola
ORCID: https://orcid.org/0000-0002-7427-1001
(2025)
Efficient Recommendation with Millions of Items by Dynamic Pruning of Sub-Item Embeddings.
In: 48th International ACM SIGIR Conference on Research and Development in Information Retrieval (SIGIR 2025), Padua, Italy, 13-17 July 2025,
pp. 2102-2111.
ISBN 9798400715921
(doi: 10.1145/3726302.3729963)
MacAvaney, Sean ORCID: https://orcid.org/0000-0002-8914-2659, Mallia, Antonio and Tonellotto, Nicola
ORCID: https://orcid.org/0000-0002-7427-1001
(2025)
Efficient Constant-Space Multi-Vector Retrieval.
In: 47th European Conference on Information Retrieval (ECIR 2025), Lucca, Italy, 06-10 Apr 2025,
pp. 237-245.
ISBN 9783031887079
(doi: 10.1007/978-3-031-88714-7_22)
Pezzuti, Francesca, MacAvaney, Sean ORCID: https://orcid.org/0000-0002-8914-2659 and Tonellotto, Nicola
ORCID: https://orcid.org/0000-0002-7427-1001
(2025)
Exploring the Effectiveness of Multi-stage Fine-tuning for Cross-encoder Re-rankers.
In: 47th European Conference on Information Retrieval (ECIR 2025), Lucca, Italy, 06-10 Apr 2025,
pp. 455-462.
ISBN 9783031887192
(doi: 10.1007/978-3-031-88714-7_45)
Yang, Eugene, Tonellotto, Nicola ORCID: https://orcid.org/0000-0002-7427-1001, Lawrie, Dawn, MacAvaney, Sean
ORCID: https://orcid.org/0000-0002-8914-2659, Mayfield, James, Oard, Douglas and Miller, Scott
(2025)
MURR: Model Updating with Regularized Replay for Searching a Document Stream.
In: 47th European Conference on Information Retrieval (ECIR 2025), Lucca, Italy, 06-10 Apr 2025,
pp. 85-100.
ISBN 9783031887086
(doi: 10.1007/978-3-031-88708-6_6)
Petrov, Aleksandr V., Macdonald, Craig ORCID: https://orcid.org/0000-0003-3143-279X and Tonellotto, Nicola
ORCID: https://orcid.org/0000-0002-7427-1001
(2024)
Efficient Inference of Sub-Item Id-based Sequential Recommendation Models with Millions of Items.
In: 18th ACM Conference on Recommender Systems, Bari, Italy, 14-18 Oct 2024,
pp. 912-917.
ISBN 97984007-05052
(doi: 10.1145/3640457.3688168)
MacAvaney, Sean ORCID: https://orcid.org/0000-0002-8914-2659 and Tonellotto, Nicola
ORCID: https://orcid.org/0000-0002-7427-1001
(2024)
A Reproducibility Study of PLAID.
In: 47th International ACM SIGIR Conference on Research and Development in Information Retrieval (SIGIR 2024), Washington D.C., USA, 14-18 July 2024,
pp. 1411-1419.
ISBN 9798400704314
(doi: 10.1145/3626772.3657856)
Acquavia, Antonio, Tonellotto, Nicola ORCID: https://orcid.org/0000-0002-7427-1001 and Macdonald, Craig
ORCID: https://orcid.org/0000-0003-3143-279X
(2023)
Static Pruning for Multi-Representation Dense Retrieval.
In: 23rd ACM Symposium on Document Engineering (DocEng'23), Limerick, Ireland, 22-25 Aug 2023,
ISBN 9798400700279
(doi: 10.1145/3573128.3604896)
Wang, Xiao, Macdonald, Craig ORCID: https://orcid.org/0000-0003-3143-279X, Tonellotto, Nicola
ORCID: https://orcid.org/0000-0002-7427-1001 and Ounis, Iadh
ORCID: https://orcid.org/0000-0003-4701-3223
(2023)
Reproducibility, Replicability, and Insights into Dense Multi-Representation Retrieval Models: from ColBERT to Col*.
In: 46th International ACM SIGIR Conference on Research and Development in Information Retrieval (SIGIR23), Taipei, Taiwan, 23-27 July 2023,
pp. 2552-2561.
ISBN 9781450394086
(doi: 10.1145/3539618.3591916)
MacAvaney, Sean ORCID: https://orcid.org/0000-0002-8914-2659, Tonellotto, Nicola
ORCID: https://orcid.org/0000-0002-7427-1001 and Macdonald, Craig
ORCID: https://orcid.org/0000-0003-3143-279X
(2022)
Adaptive Re-Ranking with a Corpus Graph.
In: 31st ACM International Conference on Information and Knowledge Management (CIKM '22), Atlanta, Georgia, USA, 17-21 October 2022,
pp. 1491-1500.
ISBN 9781450392365
(doi: 10.1145/3511808.3557231)
Dato, Domenico, MacAvaney, Sean ORCID: https://orcid.org/0000-0002-8914-2659, Nardini, Franco Maria, Perego, Raffaele and Tonellotto, Nicola
ORCID: https://orcid.org/0000-0002-7427-1001
(2022)
The Istella22 Dataset: Bridging Traditional and Neural Learning to Rank Evaluation.
In: SIGIR 2022: 45th International ACM SIGIR Conference on Research and Development in Information Retrieval, Madrid, Spain, 11-15 Jul 2022,
pp. 3099-3107.
ISBN 9781450387323
(doi: 10.1145/3477495.3531740)
Macdonald, Craig ORCID: https://orcid.org/0000-0003-3143-279X, Tonellotto, Nicola
ORCID: https://orcid.org/0000-0002-7427-1001, MacAvaney, Sean
ORCID: https://orcid.org/0000-0002-8914-2659 and Ounis, Iadh
ORCID: https://orcid.org/0000-0003-4701-3223
(2021)
PyTerrier: Declarative Experimentation in Python from BM25 to Dense Retrieval.
In: 30th ACM International Conference on Information and Knowledge Management, Virtual Event Queensland, Australia, 01-05 Nov 2021,
pp. 4526-4533.
ISBN 9781450384469
(doi: 10.1145/3459637.3482013)
Macdonald, Craig ORCID: https://orcid.org/0000-0003-3143-279X and Tonellotto, Nicola
ORCID: https://orcid.org/0000-0002-7427-1001
(2021)
On Approximate Nearest Neighbour Selection for Multi-Stage Dense Retrieval.
In: 30th ACM International Conference on Information and Knowledge Management, 01-05 Nov 2021,
pp. 3318-3322.
ISBN 9781450384469
(doi: 10.1145/3459637.3482156)
Tonellotto, Nicola ORCID: https://orcid.org/0000-0002-7427-1001 and Macdonald, Craig
ORCID: https://orcid.org/0000-0003-3143-279X
(2021)
Query Embedding Pruning for Dense Retrieval.
In: 30th ACM International Conference on Information and Knowledge Management, Virtual Event Queensland, Australia, 01-05 Nov 2021,
pp. 3453-3457.
ISBN 9781450384469
(doi: 10.1145/3459637.3482162)
Wang, Xiao, Macdonald, Craig ORCID: https://orcid.org/0000-0003-3143-279X, Tonellotto, Nicola
ORCID: https://orcid.org/0000-0002-7427-1001 and Ounis, Iadh
ORCID: https://orcid.org/0000-0003-4701-3223
(2021)
Pseudo-Relevance Feedback for Multiple Representation Dense Retrieval.
In: 7th ACM SIGIR International Conference on the Theory of Information Retrieval (ICTIR 2021), 11 Jul 2021,
pp. 297-306.
ISBN 9781450386111
(doi: 10.1145/3471158.3472250)
Macdonald, Craig ORCID: https://orcid.org/0000-0003-3143-279X, Tonellotto, Nicola
ORCID: https://orcid.org/0000-0002-7427-1001 and Ounis, Iadh
ORCID: https://orcid.org/0000-0003-4701-3223
(2021)
On Single and Multiple Representations in Dense Passage Retrieval.
In: 11th Italian Information Retrieval Workshop (IIR 2021), Bari, Italy, 13-15 Sep 2021,