Dr Ignacio De Castro Arribas

Ignacio De Castro Arribas

Lecturer in Data Analytics

School of Electronic Engineering and Computer Science
Queen Mary University of London
ORCID Google Scholar LinkedIn X

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

solid heart iconPublications of specific relevance to the Centre for Networks, Communications and Systems

2024

Relevant PublicationFediverse Migrations: A Study of User Account Portability on the Mastodon Social Network
Bin Zia H, He J, Castro I and Tyson G
Proceedings of the 2024 ACM on Internet Measurement Conference., 68-75.  
04-11-2024
Relevant PublicationLooking AT the Blue Skies of Bluesky
Balduf 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
Relevant PublicationMastodoner: A Command-line Tool and Python Library for Public Data Collection from Mastodon
Bin Zia H, Castro I and Tyson G
Proceedings of the 33rd ACM International Conference on Information and Knowledge Management., 5314-5317.  
21-10-2024
bullet iconMaking the Pick: Understanding Professional Editor Comment Curation in Online News
He 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
Relevant PublicationTemporal 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
bullet iconDecentralised Moderation for Interoperable Social Networks: A Conversation-Based Approach for Pleroma and the Fediverse
Agarwal 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
bullet iconIPFS in the Fast Lane: Accelerating Record Storage with Optimistic Provide
Trautwein 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
bullet iconDetecting Multimodal Fake News with Gated Variational AutoEncoder
Gu Y, Castro I and Tyson G
ACM Web Science Conference., 129-138.  
21-05-2024
Relevant PublicationPower and vulnerability: managing sensitive language in organizational communication
Healey 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
bullet iconGuardians of the Galaxy: Content Moderation in the InterPlanetary File System
Sokoto 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
bullet iconThe Eternal Tussle: Exploring the Role of Centralization in IPFS
Wei 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

Relevant PublicationFlocking to Mastodon: Tracking the Great Twitter Migration
He 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
Relevant PublicationLEDA: a Large-Organization Email-Based Decision-Dialogue-Act Analysis Dataset
Karan 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
Relevant PublicationTracing Linguistic Markers of Influence in a Large Online Organisation
Khare 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
Relevant PublicationErrare 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
bullet iconLady and the Tramp Nextdoor: Online Manifestations of Real-World Inequalities in the Nextdoor Social Network
Iqbal 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
Relevant PublicationCashing in on Contacts: Characterizing the OnlyFans Ecosystem
Vallina P, Castro I and Tyson G
Proceedings of the ACM Web Conference 2023., 2645-2654.  
30-04-2023
Relevant PublicationWill Admins Cope? Decentralized Moderation in the Fediverse
Anaobi IH, Raman A, Castro I, Zia HB, Ibosiola D and Tyson G
WWW '23: Proceedings of the ACM Web Conference 2023
30-04-2023
Relevant PublicationLon-eå at SemEval-2023 Task 11: A Comparison of Activation Functions for Soft and Hard Label Prediction
Hosseini 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

Relevant PublicationExploring Crowdsourced Content Moderation Through Lens of Reddit during COVID-19
Iqbal W, Arshad MH, Tyson G and Castro I
Proceedings of the 17th Asian Internet Engineering Conference., 26-35.  
19-12-2022
Relevant PublicationExploring online manifestations of real-world inequalities
Iqbal W, Tyson G, Ghafouri V, Suarez-Tangil G and Castro I
Proceedings of the 22nd ACM Internet Measurement Conference., 762-763.  
25-10-2022
Relevant PublicationDesign and Evaluation of IPFS: A Storage Layer for the Decentralized Web
Trautwein D, Raman A, Tyson G, CASTRO I, Scott W, Schubotz M, Gipp B and Psaras Y
ACM SIGCOMM
24-08-2022
Relevant PublicationDesign and evaluation of IPFS: a storage layer for the decentralized web
Trautwein 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
Relevant PublicationToxicity in the Decentralized Web and the Potential for Model Sharing
Bin Zia H, Raman A, CASTRO I, Anaobi I, De Cristofaro E, SASTRY N and Tyson G
ACM SIGMETRICS
07-07-2022
Relevant PublicationThe Web We Weave: Untangling the Social Graph of the IETF
Khare 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
Relevant PublicationToxicity in the Decentralized Web and the Potential for Model Sharing
Bin 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
Relevant PublicationImproving Zero-Shot Cross-Lingual Hate Speech Detection with Pseudo-Label Fine-Tuning of Transformer Language Models
Zia HB, Castro I, Zubiaga A and Tyson G
ICWSM proceedings. vol. 16, 1435-1439.  
31-05-2022
bullet iconOn the Latency Impact of Remote Peering
Mazzola F, Marcos P, Castro I, Luckie M and Barcellos M
In Passive and Active Measurement, Springer Nature 367-392.  
01-01-2022
Relevant PublicationMMVAE at SemEval-2022 Task 5: A Multi-modal Multi-task VAE on Misogynous Meme Detection
Gu Y, Castro I and Tyson G
SemEval 2022 - 16th International Workshop on Semantic Evaluation, Proceedings of the Workshop., 700-710.  
01-01-2022

2021

bullet iconThe impact of Capitol Hill on Pleroma
Hassan AI, Raman A, Castro I and Tyson G
Proceedings of the CoNEXT Student Workshop., 1-2.  
07-12-2021
bullet iconExploring content moderation in the decentralised web
Hassan 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
bullet iconA deep dive into COVID-19-related messages on WhatsApp in Pakistan
Javed 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
bullet iconCharacterising the IETF through the lens of RFC deployment
McQuistin 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
Relevant PublicationOptimal Estimation of Link Delays Based on End-to-End Active Measurements
Tajiki 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
bullet iconRacist or Sexist Meme? Classifying Memes beyond Hateful
Zia HB, Castro I and Tyson G
Proceedings of the 5th Workshop on Online Abuse and Harms (WOAH 2021)., 215-219.  
01-01-2021

2020

bullet iconA First Look at COVID-19 Messages on WhatsApp in Pakistan
Javed 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)., 118-125.  
07-12-2020
bullet iconLeveraging Data Science To Combat COVID-19: A Comprehensive Review
Latif 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
bullet iconMobile App Squatting
Hu 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

bullet iconAn Empirical Study of the Cost of DNS-over-HTTPS
Böttger T, Cuadrado F, Antichi G, Fernandes EL, Tyson G, Castro I and Uhlig S
, Association For Computing Machinery (Acm), 15-21.  
21-10-2019
bullet iconFaster Control Plane Experimentation with Horse
Fernandes 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
bullet iconWho Watches the Watchmen: Exploring Complaints on the Web
Ibosiola D, Castro I, Stringhini G, Uhlig S and Tyson G
, Association For Computing Machinery (Acm), 729-738.  
13-05-2019

2018

bullet iconShaping the Internet: 10 Years of IXP Growth
Böttger T, Antichi G, Fernandes EL, di Lallo R, Bruyere M, Uhlig S, Tyson G and Castro I
 
25-10-2018
bullet iconRethinking IXPs’ Architecture in the Age of SDN
Bruyere 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
bullet iconAn SDN-inspired Model for Faster Network Experimentation
Fernandes 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
bullet iconOpen Connect Everywhere: A Glimpse at the Internet Ecosystem Through the Lens of the Netflix CDN
Böttger T, Cuadrado F, Tyson G, Castro I and Uhlig S
Sigcomm Comput. Commun. Rev., Acm vol. 48, 28-34.  
01-04-2018
bullet iconUmbrella
Bruyere 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

bullet iconENDEAVOUR: 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
bullet iconSDN-enabled Traffic Engineering and Advanced Blackholing at IXPs
Dietzel C, Antichi G, Castro I, Fernandes EL, Chiesa M and Kopp D
Proceedings of the Symposium on SDN Research., 181-182.  
03-04-2017
bullet iconExploring HTTP Header Manipulation in the Wild
TYSON 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

bullet iconInter-domain networking innovation on steroids: empowering ixps with SDN capabilities
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
Ieee Communications Magazine, Institute of Electrical and Electronics Engineers (Ieee) vol. 54 (10), 102-108.  
11-10-2016
bullet iconHorse
Fernandes EL, Antichi G, Castro I and Uhlig S
Proceedings of the 2016 ACM SIGCOMM Conference., 577-578.  
22-08-2016
bullet iconEstimating 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

bullet iconRoute bazaar: Automatic interdomain contract negotiation
Castro I, Panda A, Raghavan B, Shenker S and Gorinsky S
15th Workshop on Hot Topics in Operating Systems, HotOS 2015
01-01-2015

2014

bullet iconRemote Peering
Castro 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

bullet iconUsing Tuangou to Reduce IP Transit Costs
Castro 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

bullet iconT4P: Hybrid Interconnection for Cost Reduction
Castro I and Gorinsky S
2012 Proceedings IEEE INFOCOM Workshops. vol. 1, 178-183.  
01-03-2012

2011

bullet iconCIPT
Stanojevic R, Castro I and Gorinsky S
Proceedings of the Seventh COnference on emerging Networking EXperiments and Technologies., 1-12.  
06-12-2011

Grants

solid heart iconGrants of specific relevance to the Centre for Networks, Communications and Systems
solid heart iconUnderstanding 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


solid heart iconFediverse observatory
Ignacio De Castro Arribas and Gareth Tyson
£15,886 EPSRC Engineering and Physical Sciences Research Council
01-01-2024 - 31-08-2024
solid heart iconModeration in Decentralised Social Networks
Ignacio 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
solid heart iconStreamlining Social Decision Making for Improved Internet Standards
Matthew 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