Dr Ignacio De Castro Arribas
Lecturer in Data Analytics
External Collaboration lead for The Centre for Networks, Communications and Systems
School of Electronic Engineering and Computer Science
Queen Mary University of London
Queen Mary University of London
Research
Social computing, Internet Economics, Internet measurements, Web
Interests
My work is eminently quantitative and my interests span from online social networks and moderation to the macroscopic evolution of the Internet. I chair the Research and Analysis of Standardisation Processes (RASP) Research Group at the IRTF.Publications
Publications of specific relevance to the Centre for Networks, Communications and Systems2025
Contrastive Domain Adaptation with Test-Time Training for Out-of-Context News DetectionGu Y, Zhang M, Castro I, Wu S and Tyson G
Pattern Recognition, Elsevier vol. 164
01-08-2025
Efficient Solutions For An Intriguing Failure of LLMs: Long Context Window Does Not Mean LLMs Can Analyze Long Sequences FlawlesslyHosseini P, Castro I, Ghinassi I and Purver M
Proceedings - International Conference on Computational Linguistics, COLING. vol. Part F206484-1, 1880-1891.
01-01-2025
A Dataset for Expert Reviewer Recommendation with Large Language Models as Zero-shot RankersKaran VM, McQuistin S, Yanagida R, Perkins C, Tyson G, Castro I, Healey P and Purver M
Proceedings - International Conference on Computational Linguistics, COLING. vol. Part F206484-1, 11422-11427.
01-01-2025
2024
Fediverse Migrations: A Study of User Account Portability on the Mastodon Social NetworkBin Zia H, He J, Castro I and Tyson G
Proceedings of the 2024 ACM on Internet Measurement Conference., 68-75.
04-11-2024
Looking AT the Blue Skies of BlueskyBalduf L, Sokoto S, Ascigil O, Tyson G, Scheuermann B, Korczyński M, Castro I and Król M
Proceedings of the 2024 ACM on Internet Measurement Conference., 76-91.
04-11-2024
Mastodoner: A Command-line Tool and Python Library for Public Data Collection from MastodonBin Zia H, Castro I and Tyson G
Proceedings of the 33rd ACM International Conference on Information and Knowledge Management., 5314-5317.
21-10-2024
Making the Pick: Understanding Professional Editor Comment Curation in Online NewsHe Y, Gu Y, Shekhar R, Castro I and Tyson G
Proceedings of The International Aaai Conference on Web and Social Media, Association For The Advancement of Artificial Intelligence (Aaai) vol. 18, 557-568.
28-05-2024
Temporal Network Analysis of Email Communication Patterns in a Long Standing Hierarchy.Barnes MR, Karan M, McQuistin S, Perkins C, Tyson G, Purver M, Castro I and Clegg RG
arxiv. vol. abs/2311.13442
28-05-2024
Decentralised Moderation for Interoperable Social Networks: A Conversation-Based Approach for Pleroma and the FediverseAgarwal V, Raman A, Sastry N, Abdelmoniem AM, Tyson G and Castro I
Proceedings of The International Aaai Conference on Web and Social Media, Association For The Advancement of Artificial Intelligence (Aaai) vol. 18, 2-14.
28-05-2024
IPFS in the Fast Lane: Accelerating Record Storage with Optimistic ProvideTrautwein D, Wei Y, Psaras Y, Schubotz M, Castro I, Gipp B and Tyson G
IEEE INFOCOM 2024 - IEEE Conference on Computer Communications. vol. 00, 1920-1929.
23-05-2024
Detecting Multimodal Fake News with Gated Variational AutoEncoderGu Y, Castro I and Tyson G
ACM Web Science Conference., 129-138.
21-05-2024
Power and vulnerability: managing sensitive language in organizational communicationHealey PGT, Khare P, Castro I, Tyson G, Karan M, Shekhar R, McQuistin S, Perkins C and Purver M
Frontiers in Psychology, Frontiers vol. 14
23-02-2024
Guardians of the Galaxy: Content Moderation in the InterPlanetary File SystemSokoto S, Balduf L, Trautwein D, Wei Y, Tyson G, Castro I, Ascigil O, Pavlou G, Korczyński M, Scheuermann B and Król M
Proceedings of the 33rd USENIX Security Symposium., 1507-1524.
01-01-2024
The Eternal Tussle: Exploring the Role of Centralization in IPFSWei Y, Trautwein D, Psaras Y, Castro I, Scott W, Raman A and Tyson G
Proceedings of the 21st USENIX Symposium on Networked Systems Design and Implementation, NSDI 2024., 441-454.
01-01-2024
2023
Flocking to Mastodon: Tracking the Great Twitter MigrationHe J, Bin Zia H, Castro I, Raman A, Sastry N and Tyson G
Proceedings of the 2023 ACM on Internet Measurement Conference., 111-123.
24-10-2023
LEDA: a Large-Organization Email-Based Decision-Dialogue-Act Analysis DatasetKaran M, Khare P, Shekhar R, McQuistin S, Castro I, Tyson G, Perkins C, Healey P and Purver M
Findings of the Association for Computational Linguistics: ACL 2023., 6080-6089.
09-07-2023
Tracing Linguistic Markers of Influence in a Large Online OrganisationKhare P, Shekhar R, Karan M, McQuistin S, Perkins C, Castro I, Tyson G, Healey P and Purver M
Proceedings of the 61st Annual Meeting of the Association for Computational Linguistics (Volume 2: Short Papers)., 82-90.
09-07-2023
Errare humanum est: What do RFC Errata say about Internet Standards?McQuistin S, Karan M, Khare P, Perkins C, Purver M, Healey P, Castro I and Tyson G
2023 7th Network Traffic Measurement and Analysis Conference (TMA). vol. 00, 1-9.
29-06-2023
Lady and the Tramp Nextdoor: Online Manifestations of Real-World Inequalities in the Nextdoor Social NetworkIqbal W, Ghafouri V, Tyson G, Suarez-Tangil G and Castro I
Proceedings of The International Aaai Conference on Web and Social Media, Association For The Advancement of Artificial Intelligence (Aaai) vol. 17, 399-410.
02-06-2023
Will Admins Cope? Decentralized Moderation in the FediverseAnaobi IH, Raman A, Castro I, Zia HB, Ibosiola D and Tyson G
WWW '23: Proceedings of the ACM Web Conference 2023.
30-04-2023
Cashing in on Contacts: Characterizing the OnlyFans EcosystemVallina P, Castro I and Tyson G
Proceedings of the ACM Web Conference 2023., 2645-2654.
30-04-2023
Lon-eå at SemEval-2023 Task 11: A Comparison of Activation Functions for Soft and Hard Label PredictionHosseini P, Hosseini M, Al-azzawi S, Liwicki M, Castro I and Purver M
Proceedings of the The 17th International Workshop on Semantic Evaluation (SemEval-2023)., 1329-1334.
01-01-2023
2022
Exploring Crowdsourced Content Moderation Through Lens of Reddit during COVID-19Iqbal W, Arshad MH, Tyson G and Castro I
Proceedings of the 17th Asian Internet Engineering Conference., 26-35.
19-12-2022
Exploring online manifestations of real-world inequalitiesIqbal W, Tyson G, Ghafouri V, Suarez-Tangil G and Castro I
Proceedings of the 22nd ACM Internet Measurement Conference., 762-763.
25-10-2022
Design and Evaluation of IPFS: A Storage Layer for the Decentralized WebTrautwein D, Raman A, Tyson G, CASTRO I, Scott W, Schubotz M, Gipp B and Psaras Y
ACM SIGCOMM.
24-08-2022
Design and evaluation of IPFS: a storage layer for the decentralized webTrautwein D, Raman A, Tyson G, Castro I, Scott W, Schubotz M, Gipp B and Psaras Y
Proceedings of the ACM SIGCOMM 2022 Conference., 739-752.
22-08-2022
Toxicity in the Decentralized Web and the Potential for Model SharingBin Zia H, Raman A, CASTRO I, Anaobi I, De Cristofaro E, SASTRY N and Tyson G
ACM SIGMETRICS.
07-07-2022
The Web We Weave: Untangling the Social Graph of the IETFKhare P, Karan M, McQuistin S, Perkins C, Tyson G, Purver M, Healey P and CASTRO I
AAAI 16th International Conference on Web and Social Media (ICWSM) Atlanta, Georgia, US and Online 6 Jun 2022 - 9 Jun 2022.
06-06-2022
Toxicity in the Decentralized Web and the Potential for Model SharingBin Zia H, Raman A, Castro I, Hassan Anaobi I, De Cristofaro E, Sastry N and Tyson G
Proceedings of The Acm on Measurement and Analysis of Computing Systems, Association For Computing Machinery (Acm) vol. 6 (2)
01-06-2022
Improving Zero-Shot Cross-Lingual Hate Speech Detection with Pseudo-Label Fine-Tuning of Transformer Language ModelsZia HB, Castro I, Zubiaga A and Tyson G
ICWSM proceedings. vol. 16, 1435-1439.
31-05-2022
On the Latency Impact of Remote PeeringMazzola F, Marcos P, Castro I, Luckie M and Barcellos M
In Passive and Active Measurement, Springer Nature 367-392.
01-01-2022
MMVAE at SemEval-2022 Task 5: A Multi-modal Multi-task VAE on Misogynous Meme DetectionGu Y, Castro I and Tyson G
SemEval 2022 - 16th International Workshop on Semantic Evaluation, Proceedings of the Workshop., 700-710.
01-01-2022
2021
The impact of Capitol Hill on PleromaHassan AI, Raman A, Castro I and Tyson G
Proceedings of the CoNEXT Student Workshop., 1-2.
07-12-2021
Exploring content moderation in the decentralised webHassan AI, Raman A, Castro I, Bin Zia H, De Cristofaro E, Sastry N and Tyson G
Proceedings of the 17th International Conference on emerging Networking EXperiments and Technologies., 328-335.
02-12-2021
A deep dive into COVID-19-related messages on WhatsApp in PakistanJaved RT, Usama M, Iqbal W, Qadir J, Tyson G, Castro I and Garimella K
Social Network Analysis and Mining, Springer Verlag vol. 12 (1)
15-11-2021
Characterising the IETF through the lens of RFC deploymentMcQuistin S, Karan M, Khare P, Perkins C, Tyson G, Purver M, Healey P, Iqbal W, Qadir J and Castro I
Proceedings of the 21st ACM Internet Measurement Conference., 137-149.
02-11-2021
Optimal Estimation of Link Delays Based on End-to-End Active MeasurementsTajiki MM, Petroudi SHG, Salsano S, Uhlig S and Castro I
IEEE Transactions on Network and Service Management, Institute of Electrical and Electronics Engineers (IEEE) vol. 18 (4), 4730-4743.
19-08-2021
Racist or Sexist Meme? Classifying Memes beyond HatefulZia HB, Castro I and Tyson G
Proceedings of the 5th Workshop on Online Abuse and Harms (WOAH 2021)., 215-219.
01-01-2021
2020
A First Look at COVID-19 Messages on WhatsApp in PakistanJaved RT, Shuja ME, Usama M, Qadir J, Iqbal W, Tyson G, Castro I and Garimella K
2020 IEEE/ACM International Conference on Advances in Social Networks Analysis and Mining (ASONAM). vol. 00, 118-125.
10-12-2020
Leveraging Data Science To Combat COVID-19: A Comprehensive ReviewLatif S, Usman M, Manzoor S, Iqbal W, Qadir J, Tyson G, Castro I, Razi A, Boulos MNK, Weller A and Crowcroft J
IEEE Transactions on Artificial Intelligence, IEEE vol. PP (99), 1-1.
02-09-2020
Mobile App SquattingHu Y, Wang H, He R, Li L, Tyson G, Castro I, Guo Y, Wu L and Xu G
Proceedings of The Web Conference 2020., 1727-1738.
20-04-2020
2019
An Empirical Study of the Cost of DNS-over-HTTPSBöttger T, Cuadrado F, Antichi G, Fernandes EL, Tyson G, Castro I and Uhlig S
, Association For Computing Machinery (Acm), 15-21.
21-10-2019
Faster Control Plane Experimentation with HorseFernandes EL, Antichi G, Böttger T, Castro I and Uhlig S
Proceedings of the ACM SIGCOMM 2019 Conference Posters and Demos., 51-53.
19-08-2019
Who Watches the Watchmen: Exploring Complaints on the WebIbosiola D, Castro I, Stringhini G, Uhlig S and Tyson G
, Association For Computing Machinery (Acm), 729-738.
13-05-2019
2018
Shaping the Internet: 10 Years of IXP GrowthBöttger T, Antichi G, Fernandes EL, di Lallo R, Bruyere M, Uhlig S, Tyson G and Castro I
25-10-2018
Rethinking IXPs’ Architecture in the Age of SDNBruyere M, Antichi G, Fernandes EL, Lapeyrade R, Uhlig S, Owezarski P, Moore AW and Castro I
IEEE Journal on Selected Areas in Communications
26-09-2018
An SDN-inspired Model for Faster Network ExperimentationFernandes EL, Antichi G, Castro I and Uhlig S
Proceedings of the 2018 ACM SIGSIM Conference on Principles of Advanced Discrete Simulation., 29-32.
14-05-2018
Open Connect Everywhere: A Glimpse at the Internet Ecosystem Through the Lens of the Netflix CDNBöttger T, Cuadrado F, Tyson G, Castro I and Uhlig S
Sigcomm Comput. Commun. Rev., Acm vol. 48, 28-34.
01-04-2018
UmbrellaBruyere M, Lapeyrade R, Fernandes EL, Castro I, Uhlig S, Moore AW and Antichi G
Proceedings of the Symposium on SDN Research., 1-2.
28-03-2018
2017
ENDEAVOUR: A Scalable SDN Architecture For Real-World IXPs.Antichi G, Castro I, Chiesa M, Fernandes EL, Lapeyrade R, Kopp D, Han JH, Bruyere M, Dietzel C, Gusat M, Moore AW, Owezarski P, Uhlig S and Canini M
IEEE J. Sel. Areas Commun. vol. 35, 2553-2562.
18-12-2017
SDN-enabled Traffic Engineering and Advanced Blackholing at IXPsDietzel C, Antichi G, Castro I, Fernandes EL, Chiesa M and Kopp D
Proceedings of the Symposium on SDN Research., 181-182.
03-04-2017
Exploring HTTP Header Manipulation in the WildTYSON G, Huang S, Cuadrado F, Castro I, Perta C, Sathiaseelan A and Uhlig S
World Wide Web Conference Perth, Australia 3 Apr 2017 - 7 Apr 2017.
03-04-2017
2016
Inter-domain networking innovation on steroids: empowering ixps with SDN capabilitiesChiesa M, Owezarski P, Uhlig S, Canini M, Dietzel C, Antichi G, Bruyere M, Castro I, Gusat M, King T, Moore AW and Nguyen TD
IEEE Communications Magazine, Institute of Electrical and Electronics Engineers (IEEE) vol. 54 (10), 102-108.
11-10-2016
HorseFernandes EL, Antichi G, Castro I and Uhlig S
Proceedings of the 2016 ACM SIGCOMM Conference., 577-578.
22-08-2016
Estimating the Real with the Virtual: How does the Accuracy Relate to the Internet Penetration?Castro I and Gorinsky S
2016 8th International Conference on Communication Systems and Networks (COMSNETS)., 1-8.
01-01-2016
2015
Route bazaar: Automatic interdomain contract negotiationCastro I, Panda A, Raghavan B, Shenker S and Gorinsky S
15th Workshop on Hot Topics in Operating Systems, HotOS 2015.
01-01-2015
2014
Remote PeeringCastro I, Cardona JC, Gorinsky S and Francois P
Proceedings of the 10th ACM International on Conference on emerging Networking Experiments and Technologies., 185-198.
02-12-2014
2013
Using Tuangou to Reduce IP Transit CostsCastro I, Stanojevic R and Gorinsky S
IEEE/Acm Transactions on Networking, Institute of Electrical and Electronics Engineers (IEEE) vol. 22 (5), 1415-1428.
04-09-2013
2012
T4P: Hybrid Interconnection for Cost ReductionCastro I and Gorinsky S
2012 Proceedings IEEE INFOCOM Workshops. vol. 1, 178-183.
01-03-2012
2011
CIPTStanojevic R, Castro I and Gorinsky S
Proceedings of the Seventh COnference on emerging Networking EXperiments and Technologies., 1-12.
06-12-2011
Grants
Grants of specific relevance to the Centre for Networks, Communications and SystemsUnderstanding Transitions when Tackling Online HarmsGareth Tyson, Ignacio De Castro Arribas and Arkaitz Zubiaga
£339,177 EPSRC Engineering and Physical Sciences Research Council
01-04-2022 - 15-09-2025
Fediverse observatoryIgnacio De Castro Arribas and Gareth Tyson
£15,886 EPSRC Engineering and Physical Sciences Research Council
01-01-2024 - 31-08-2024
Moderation in Decentralised Social NetworksIgnacio De Castro Arribas, Gareth Tyson and Ahmed M. A. Sayed
£65,058 EPSRC Engineering and Physical Sciences Research Council
01-05-2022 - 30-06-2023
Streamlining Social Decision Making for Improved Internet StandardsMatthew Purver, Ignacio De Castro Arribas, Pat Healey and Gareth Tyson
£757,243 EPSRC Engineering and Physical Sciences Research Council
01-01-2020 - 30-06-2024
Research Group
PhD Students
- Raneem Alharthi
Predicting Abuse: Target Oriented Conversational Abusive Language and Volume Prediction - Yimeng Gu
Detecting Multimodal Harmful Content on Social Media Platforms - Seyedpeyman Hosseini
Modelling and Sentiment Analysis of Game Reviews (Intelligent Games and Game Intelligence) - Zhaoliang Luan
An Investigation on Lidar-Based Relative Pose Estimation and Image-Based Absolute Pose Estimation - Hugo Ramirez-Centeno
Nlp, Dialogue Modelling, Email Analytics. - Shudi Wang
Social Networks, Study of Online Media. - Peijie Zhong
Quantifying Trade Network Evolution: Communities and Motifs
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