Dr Ignacio De Castro Arribas
Lecturer in Data Analytics
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 Systems
2024
Bin Zia H, He J, Castro I and Tyson G (2024). Fediverse Migrations: A Study of User Account Portability on the Mastodon Social Network. Proceedings of the 2024 ACM on Internet Measurement Conference.
04-11-2024
04-11-2024
Balduf L, Sokoto S, Ascigil O, Tyson G, Scheuermann B, Korczyński M, Castro I and Król M (2024). Looking AT the Blue Skies of Bluesky. Proceedings of the 2024 ACM on Internet Measurement Conference.
04-11-2024
04-11-2024
Bin Zia H, Castro I and Tyson G (2024). Collecting and Analyzing Public Data from Mastodon. Proceedings of the 33rd ACM International Conference on Information and Knowledge Management.
21-10-2024
21-10-2024
Bin Zia H, Castro I and Tyson G (2024). Mastodoner: A Command-line Tool and Python Library for Public Data Collection from Mastodon. Proceedings of the 33rd ACM International Conference on Information and Knowledge Management.
21-10-2024
21-10-2024
He Y, Gu Y, Shekhar R, Castro I and Tyson G (2024). Making the Pick: Understanding Professional Editor Comment Curation in Online News. 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
28-05-2024
Barnes MR, Karan M, McQuistin S, Perkins C, Tyson G, Purver M, Castro I and Clegg RG (2024). Temporal Network Analysis of Email Communication Patterns in a Long Standing Hierarchy. arxiv.
28-05-2024
28-05-2024
Agarwal V, Raman A, Sastry N, Abdelmoniem AM, Tyson G and Castro I (2024). Decentralised Moderation for Interoperable Social Networks: A Conversation-Based Approach for Pleroma and the Fediverse. 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
28-05-2024
Trautwein D, Wei Y, Psaras Y, Schubotz M, Castro I, Gipp B and Tyson G (2024). IPFS in the Fast Lane: Accelerating Record Storage with Optimistic Provide. IEEE INFOCOM 2024 - IEEE Conference on Computer Communications.
23-05-2024
23-05-2024
Gu Y, Castro I and Tyson G (2024). Detecting Multimodal Fake News with Gated Variational AutoEncoder. ACM Web Science Conference.
21-05-2024
21-05-2024
Healey PGT, Khare P, Castro I, Tyson G, Karan M, Shekhar R, McQuistin S, Perkins C and Purver M (2024). Power and vulnerability: managing sensitive language in organizational communication. Frontiers in Psychology, Frontiers vol. 14
23-02-2024
23-02-2024
Sokoto S, Balduf L, Trautwein D, Wei Y, Tyson G, Castro I, Ascigil O, Pavlou G, Korczyński M, Scheuermann B and Król M (2024). Guardians of the Galaxy: Content Moderation in the InterPlanetary File System.
01-01-2024
01-01-2024
Wei Y, Trautwein D, Psaras Y, Castro I, Scott W, Raman A and Tyson G (2024). The Eternal Tussle: Exploring the Role of Centralization in IPFS.
01-01-2024
01-01-2024
2023
He J, Bin Zia H, Castro I, Raman A, Sastry N and Tyson G (2023). Flocking to Mastodon: Tracking the Great Twitter Migration. Proceedings of the 2023 ACM on Internet Measurement Conference.
24-10-2023
24-10-2023
Karan M, Khare P, Shekhar R, McQuistin S, Castro I, Tyson G, Perkins C, Healey P and Purver M (2023). LEDA: a Large-Organization Email-Based Decision-Dialogue-Act Analysis Dataset. Findings of the Association for Computational Linguistics: ACL 2023.
09-07-2023
09-07-2023
Khare P, Shekhar R, Karan M, McQuistin S, Perkins C, Castro I, Tyson G, Healey P and Purver M (2023). Tracing Linguistic Markers of Influence in a Large Online Organisation. Proceedings of the 61st Annual Meeting of the Association for Computational Linguistics (Volume 2: Short Papers).
09-07-2023
09-07-2023
McQuistin S, Karan M, Khare P, Perkins C, Purver M, Healey P, Castro I and Tyson G (2023). Errare humanum est: What do RFC Errata say about Internet Standards? 2023 7th Network Traffic Measurement and Analysis Conference (TMA).
29-06-2023
29-06-2023
Iqbal W, Ghafouri V, Tyson G, Suarez-Tangil G and Castro I (2023). Lady and the Tramp Nextdoor: Online Manifestations of Real-World Inequalities in the Nextdoor Social Network. 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
02-06-2023
Vallina P, Castro I and Tyson G (2023). Cashing in on Contacts: Characterizing the OnlyFans Ecosystem. Proceedings of the ACM Web Conference 2023.
30-04-2023
30-04-2023
Anaobi IH, Raman A, Castro I, Zia HB, Ibosiola D and Tyson G (2023). Will Admins Cope? Decentralized Moderation in the Fediverse. WWW '23: Proceedings of the ACM Web Conference 2023.
30-04-2023
30-04-2023
Hosseini P, Hosseini M, Al-azzawi S, Liwicki M, Castro I and Purver M (2023). Lon-eå at SemEval-2023 Task 11: A Comparison of Activation Functions for Soft and Hard Label Prediction. Proceedings of the The 17th International Workshop on Semantic Evaluation (SemEval-2023).
01-01-2023
01-01-2023
2022
Iqbal W, Arshad MH, Tyson G and Castro I (2022). Exploring Crowdsourced Content Moderation Through Lens of Reddit during COVID-19. Proceedings of the 17th Asian Internet Engineering Conference.
19-12-2022
19-12-2022
Iqbal W, Tyson G, Ghafouri V, Suarez-Tangil G and Castro I (2022). Exploring online manifestations of real-world inequalities. Proceedings of the 22nd ACM Internet Measurement Conference.
25-10-2022
25-10-2022
Trautwein D, Raman A, Tyson G, CASTRO I, Scott W, Schubotz M, Gipp B and Psaras Y (2022). Design and Evaluation of IPFS: A Storage Layer for the Decentralized Web. ACM SIGCOMM.
24-08-2022
24-08-2022
Trautwein D, Raman A, Tyson G, Castro I, Scott W, Schubotz M, Gipp B and Psaras Y (2022). Design and evaluation of IPFS: a storage layer for the decentralized web. Proceedings of the ACM SIGCOMM 2022 Conference.
22-08-2022
22-08-2022
Bin Zia H, Raman A, CASTRO I, Anaobi I, De Cristofaro E, SASTRY N and Tyson G (2022). Toxicity in the Decentralized Web and the Potential for Model Sharing. ACM SIGMETRICS.
07-07-2022
07-07-2022
Khare P, Karan M, McQuistin S, Perkins C, Tyson G, Purver M, Healey P and CASTRO I (2022). The Web We Weave: Untangling the Social Graph of the IETF. AAAI 16th International Conference on Web and Social Media (ICWSM) Atlanta, Georgia, US and Online 6 Jun 2022 - 9 Jun 2022.
06-06-2022
06-06-2022
Bin Zia H, Raman A, Castro I, Hassan Anaobi I, De Cristofaro E, Sastry N and Tyson G (2022). Toxicity in the Decentralized Web and the Potential for Model Sharing. Proceedings of the ACM on Measurement and Analysis of Computing Systems, Association for Computing Machinery (ACM) vol. 6 (2)
01-06-2022
01-06-2022
Zia HB, Castro I, Zubiaga A and Tyson G (2022). Improving Zero-Shot Cross-Lingual Hate Speech Detection with Pseudo-Label Fine-Tuning of Transformer Language Models.
31-05-2022
31-05-2022
Mazzola F, Marcos P, Castro I, Luckie M and Barcellos M (2022). On the Latency Impact of Remote Peering. Passive and Active Measurement 367-392.
01-01-2022
01-01-2022
Gu Y, Castro I and Tyson G (2022). MMVAE at SemEval-2022 Task 5: A Multi-modal Multi-task VAE on Misogynous Meme Detection.
01-01-2022
01-01-2022
2021
Hassan AI, Raman A, Castro I and Tyson G (2021). The impact of Capitol Hill on Pleroma. Proceedings of the CoNEXT Student Workshop.
07-12-2021
07-12-2021
Hassan AI, Raman A, Castro I, Bin Zia H, De Cristofaro E, Sastry N and Tyson G (2021). Exploring content moderation in the decentralised web. Proceedings of the 17th International Conference on emerging Networking EXperiments and Technologies.
02-12-2021
02-12-2021
Javed RT, Usama M, Iqbal W, Qadir J, Tyson G, Castro I and Garimella K (2021). A deep dive into COVID-19-related messages on WhatsApp in Pakistan. Social Network Analysis and Mining, Springer Verlag vol. 12 (1)
15-11-2021
15-11-2021
McQuistin S, Karan M, Khare P, Perkins C, Tyson G, Purver M, Healey P, Iqbal W, Qadir J and Castro I (2021). Characterising the IETF through the lens of RFC deployment. Proceedings of the 21st ACM Internet Measurement Conference.
02-11-2021
02-11-2021
Tajiki MM, Petroudi SHG, Salsano S, Uhlig S and Castro I (2021). Optimal Estimation of Link Delays Based on End-to-End Active Measurements. IEEE Transactions on Network and Service Management, Institute of Electrical and Electronics Engineers (IEEE) vol. 18 (4), 4730-4743.
19-08-2021
19-08-2021
Zia HB, Castro I and Tyson G (2021). Racist or Sexist Meme? Classifying Memes beyond Hateful. Proceedings of the 5th Workshop on Online Abuse and Harms (WOAH 2021).
01-01-2021
01-01-2021
2020
Javed RT, Shuja ME, Usama M, Qadir J, Iqbal W, Tyson G, Castro I and Garimella K (2020). A First Look at COVID-19 Messages on WhatsApp in Pakistan. 2020 IEEE/ACM International Conference on Advances in Social Networks Analysis and Mining (ASONAM).
07-12-2020
07-12-2020
Latif S, Usman M, Manzoor S, Iqbal W, Qadir J, Tyson G, Castro I, Razi A, Boulos MNK, Weller A and Crowcroft J (2020). Leveraging Data Science To Combat COVID-19: A Comprehensive Review. IEEE Transactions on Artificial Intelligence, IEEE vol. PP (99), 1-1.
02-09-2020
02-09-2020
Hu Y, Wang H, He R, Li L, Tyson G, Castro I, Guo Y, Wu L and Xu G (2020). Mobile App Squatting. Proceedings of The Web Conference 2020.
20-04-2020
20-04-2020
2019
Böttger T, Cuadrado F, Antichi G, Fernandes EL, Tyson G, Castro I and Uhlig S (2019). An Empirical Study of the Cost of DNS-over-HTTPS.
21-10-2019
21-10-2019
Fernandes EL, Antichi G, Böttger T, Castro I and Uhlig S (2019). Faster Control Plane Experimentation with Horse. Proceedings of the ACM SIGCOMM 2019 Conference Posters and Demos.
19-08-2019
19-08-2019
Ibosiola D, Castro I, Stringhini G, Uhlig S and Tyson G (2019). Who Watches the Watchmen: Exploring Complaints on the Web.
13-05-2019
13-05-2019
2018
Böttger T, Antichi G, Fernandes EL, di Lallo R, Bruyere M, Uhlig S, Tyson G and Castro I (2018). Shaping the Internet: 10 Years of IXP Growth.
25-10-2018
25-10-2018
Bruyere M, Antichi G, Fernandes EL, Lapeyrade R, Uhlig S, Owezarski P, Moore AW and Castro I (2018). Rethinking IXPs’ Architecture in the Age of SDN. IEEE Journal on Selected Areas in Communications
26-09-2018
26-09-2018
Fernandes EL, Antichi G, Castro I and Uhlig S (2018). An SDN-inspired Model for Faster Network Experimentation. Proceedings of the 2018 ACM SIGSIM Conference on Principles of Advanced Discrete Simulation.
14-05-2018
14-05-2018
Böttger T, Cuadrado F, Tyson G, Castro I and Uhlig S (2018). Open Connect Everywhere: A Glimpse at the Internet Ecosystem Through the Lens of the Netflix CDN. SIGCOMM Comput. Commun. Rev., ACM vol. 48, 28-34.
01-04-2018
01-04-2018
Bruyere M, Lapeyrade R, Fernandes EL, Castro I, Uhlig S, Moore AW and Antichi G (2018). Umbrella. Proceedings of the Symposium on SDN Research.
28-03-2018
28-03-2018
2017
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 (2017). ENDEAVOUR: A Scalable SDN Architecture For Real-World IXPs. IEEE J. Sel. Areas Commun. vol. 35, 2553-2562.
18-12-2017
18-12-2017
TYSON G, Huang S, Cuadrado F, Castro I, Perta C, Sathiaseelan A and Uhlig S (2017). Exploring HTTP Header Manipulation in the Wild. World Wide Web Conference Perth, Australia 3 Apr 2017 - 7 Apr 2017.
03-04-2017
03-04-2017
Dietzel C, Antichi G, Castro I, Fernandes EL, Chiesa M and Kopp D (2017). SDN-enabled Traffic Engineering and Advanced Blackholing at IXPs. Proceedings of the Symposium on SDN Research.
03-04-2017
03-04-2017
2016
Chiesa M, Owezarski P, Uhlig S, Canini M, Dietzel C, Antichi G, Bruyere M, Castro I, Gusat M, King T, Moore AW and Nguyen TD (2016). Inter-domain networking innovation on steroids: empowering ixps with SDN capabilities. IEEE Communications Magazine, Institute of Electrical and Electronics Engineers (IEEE) vol. 54 (10), 102-108.
11-10-2016
11-10-2016
Fernandes EL, Antichi G, Castro I and Uhlig S (2016). Horse. Proceedings of the 2016 ACM SIGCOMM Conference.
22-08-2016
22-08-2016
Castro I and Gorinsky S (2016). Estimating the Real with the Virtual: How does the Accuracy Relate to the Internet Penetration? 2016 8th International Conference on Communication Systems and Networks (COMSNETS).
01-01-2016
01-01-2016
2015
Castro I, Panda A, Raghavan B, Shenker S and Gorinsky S (2015). Route bazaar: Automatic interdomain contract negotiation.
01-01-2015
01-01-2015
2014
Castro I, Cardona JC, Gorinsky S and Francois P (2014). Remote Peering. Proceedings of the 10th ACM International on Conference on emerging Networking Experiments and Technologies.
02-12-2014
02-12-2014
2013
Castro I, Stanojevic R and Gorinsky S (2013). Using Tuangou to Reduce IP Transit Costs. IEEE/ACM Transactions on Networking, Institute of Electrical and Electronics Engineers (IEEE) vol. 22 (5), 1415-1428.
04-09-2013
04-09-2013
2012
Castro I and Gorinsky S (2012). T4P: Hybrid Interconnection for Cost Reduction. 2012 Proceedings IEEE INFOCOM Workshops.
01-03-2012
01-03-2012
2011
Stanojevic R, Castro I and Gorinsky S (2011). CIPT. Proceedings of the Seventh COnference on emerging Networking EXperiments and Technologies.
06-12-2011
06-12-2011
Grants
Grants of specific relevance to the Centre for Networks, Communications and Systems
Understanding Transitions when Tackling Online Harms
Gareth Tyson, Ignacio De Castro Arribas and Arkaitz Zubiaga
£339,177 EPSRC Engineering and Physical Sciences Research Council (01-04-2022 - 15-09-2025)
Gareth Tyson, Ignacio De Castro Arribas and Arkaitz Zubiaga
£339,177 EPSRC Engineering and Physical Sciences Research Council (01-04-2022 - 15-09-2025)
Fediverse observatory
Ignacio De Castro Arribas and Gareth Tyson
£15,886 EPSRC Engineering and Physical Sciences Research Council (01-01-2024 - 31-08-2024)
Ignacio De Castro Arribas and Gareth Tyson
£15,886 EPSRC Engineering and Physical Sciences Research Council (01-01-2024 - 31-08-2024)
Streamlining Social Decision Making for Improved Internet Standards
Matthew Purver, Ignacio De Castro Arribas, Patrick Healey and Gareth Tyson
£757,243 EPSRC Engineering and Physical Sciences Research Council (01-01-2020 - 30-06-2024)
Matthew Purver, Ignacio De Castro Arribas, Patrick Healey and Gareth Tyson
£757,243 EPSRC Engineering and Physical Sciences Research Council (01-01-2020 - 30-06-2024)