My research has been published in a number of books, chapters, peer-reviewed journals, and scientific reports.


Reilly, P.J. (2021) Digital contention in a divided society: Social media, parades and protests in Northern Ireland Manchester: Manchester University Press

Reilly, P.J. (2011) The Troubles Online: Northern Irish political groups and website strategy, Manchester: Manchester University Press.


Reilly, P.J. Doing Ethical Social Media Research (Contracted with SAGE, due 2022).

Edited Books:

Reilly, P.J, Veneti, A and Atanasova, D. (eds) (2017) Politics, Protest, Emotion: Interdisciplinary Perspectives: A Book of Blogs, Information School, University of Sheffield.

Refereed Journal Articles/Papers:

Reilly, P.J. (in press) Countering misinformation and disinformation during contentious episodes in a divided society: Tweeting the 2014 and 2015 Ardoyne parade disputes, First Monday.

Murphy, S., Reilly, P.J. and Murphy, T. (2021) Assessing the potential use of blockchain technology to improve the sharing of public health data in a western Canadian province, Health and Technology. [link]

Reilly, P.J. and Vicari, S. (2021) Organisational hashtags during times of crisis: Analysing the broadcasting and gatekeeping dynamics of #PorteOuverte during the November 2015 Paris Terror Attacks, Social Media + Society, January 2021. doi:10.1177/2056305121995788 [link]

Reilly, P.J. (2020) Curation, connections and creativity: reflections on using Twitter to teach digital activism, Journal of Social Media for Learning, 1(1), 62-69 [link]

Fenn, P. and Reilly, P.J. (2020) Problematising the use of Snapchat in Higher Education Teaching and Learning, Journal of Social Media for Learning, 1(1), 140-146 [link]

Reilly, P.J. (2020). PSNIRA vs. peaceful protesters? YouTube, ‘sousveillance’ and the policing of the union flag protests, First Monday 25(2)- 3 February. DOI: [link]

Petersen, L., Fallou, L., Reilly, P.J., Serafinelli, E., Carreira, E., and Uktin, A. (2020). Public expectations of critical infrastructure operators in times of crisis, Sustainable and Resilient Infrastructure, 5(1-2): 62-77. DOI: 10.1080/23789689.2018.1469358 [link]

O’Reilly, M., Dogra, N., Hughes, J., Reilly, P.J, George, R., & Whiteman, N. (2019). Potential of social media in promoting mental health in adolescents (UK), Health Promotion International, 34(5),981-991. DOI: [link]

Veneti, A., Lilleker, D., & Reilly, P.J. (2018). Photographing the Battlefield: The role of Ideology in photojournalist practices during the anti-austerity protests in Greece, Journalism. 1-18. DOI: 10.1177/1464884918809521 [link]

O’Reilly, M., Dogra, N., Whiteman, N., Hughes, J., Eruyar, S., & Reilly, P.J. (2018). Is social media bad for mental health and wellbeing? Exploring the perspectives of adolescents, Clinical Child Psychology and Psychiatry, 23 (4),601-613.DOI: [link]

O’Reilly, M., Adams, S., Whiteman, N., Hughes, J., Reilly, P.J, & Dogra, N. (2018). Whose responsibility is adolescent’s mental health in the UK? The perspectives of key stakeholders, School Mental Health, 10(4),450-461DOI:10.1007/s12310-018-9263-6 [link]

Petersen, L., Fallou, L., Reilly, P.J, & Serafinelli, E. (2017). European Expectations of Disaster Information provided by Critical Infrastructure Operators: Lessons from Portugal, France, Norway and Sweden. International Journal of Information Systems for Crisis Response and Management (IJISCRAM), 9(4), 23-48. DOI:10.4018/IJISCRAM.2017100102  [link]

Reilly, P.J. (2016). Tweeting for Peace? Twitter and the Ardoyne parade dispute, July 2014, First Monday, 21(11) 7 November. DOI: [link].

Ronchi E, Nieto Uriz F, Criel X, Reilly P.J. (2016). Modelling large-scale evacuation of music festivals. Case Studies in Fire Safety, 5,11-19, DOI: 10.1016/j.csfs.2015.12.002. [pdf]

Reilly, P.J. and Trevisan, F. (2016). Researching Protest on Facebook: Developing an ethical stance for the study of Northern Irish Flag Protest pages, Information, Communication & Society, 19 (3), 419-435. DOI: [pdf]

Williams, H., Norman, A., Reilly, P.J, Zhou, H., & Pe, C. (2016). Screencasts in Engineering, Journal of Excellence in Teaching and Learning [pdf]

Reilly, P.J (2015). Screencasts in Media Studies, Journal of Excellence in Teaching and Learning. [pdf]

Reilly, P.J. (2015). Every Little helps? YouTube, sousveillance and the ‘anti-Tesco’ riot in Bristol, New Media and Society, 17(5), 755-771.DOI: 10.1177/1461444813512195. [pdf]

Trevisan, F and Reilly, P.J. (2014). Ethical Dilemmas in Researching Social Media Campaigns on Sensitive Personal Issues: Lessons from the Study of British Disability Dissent Networks, Information, Communication & Society, 17(9), 1131- 1146. DOI: 10.1080/1369118X.2014.889188 [pdf]

Reilly, P.J (2014). The ‘Battle of Stokes Croft’ on YouTube: The development of an ethical stance for the study of online comments, SAGE Cases in Methodology. DOI: [pdf]

Reilly, P.J (2013). The right blend? The use of Blackboard to support international dissertation students, Journal of Excellence in Teaching and Learning. [pdf]

Reilly, P.J (2012). Community worker perspectives on the use of new media to promote conflict transformation in Belfast. Urban Studies, 49:15,3385-3401. DOI: 10.1177/0042098012440464. [pdf]

Reilly, P.J (2011). ‘Anti-social’ networking in Northern Ireland: policy responses to young people’s use of social media for organising anti-social behaviour,
Policy and Internet, Volume 3, Issue 1, Article 7. [pdf]

Book Chapters:

Reilly, P.J. (in press) Watching the Watchers: Sousveillance as a political response to surveillance societies. In Veneti, A., & Lilleker, D (eds) Research Handbook on Visual Politics, Cheltenham: Edward Elgar Publishing.

Veneti, A., Reilly, P.J., & Lileker, D. (in press). The symbolic importance of place in photojournalist accounts of the anti-austerity protests in Greece. In J. Morrison., J. Birks & M. Berry (Eds.) Routledge Companion to Political Journalism, London: Routledge.

Zhao, X. and Reilly, P.J. (in press) Breaking down barriers? ICTs, international students and intercultural communication within UK Higher Education institutions. In Brassier-Rodrigues, C., and Brasier, P. (eds) A collection of pedagogical approaches aimed at developing students’ intercultural sensitivity by internationalization at home, London: Peter Lang.

Petersen, L., Fallou, L., Reilly, P., and Serafinelli, E. (2021) Expectations vs. Practice in Critical Infrastructure Operator Crisis Communication: Lessons Learnt from Portugal, France, Norway and Sweden. In J.W. Beard (ed) Information Technology Applications for Crisis Response and Management, Hershey, Pennsylvania: IGI Global (pp. 24-50).

Reilly, P.J. (2020). Social media and sousveillance. In L. Pérez-González., B. Blaagaard & M. Baker (eds) Routledge Encyclopedia of Citizen Media, London: Routledge (pp.390-394).

Reilly, P.J. (2020). Digital media and disinformation in a deeply divided society: Reflections from ‘post-conflict’ Northern Ireland. In E. Kużelewska., G.Terzis., D.Trottier & D. Kloza (Eds.) Disinformation and Digital Media as a Challenge for Democracy, European Integration and Democracy Series, Volume 6, (pp. 179-200). Cambridge: Intersentia.

Petersen, L., Fallou, L., Reilly, P.J., and Serafinelli, E. (2019). Public expectations of social media use by critical infrastructure operators during crises: lessons learned from France. In: Y. Murayama., D. Velev & P. Zlateva. (Eds.) Information Technology in Disaster Risk Reduction. ITDRR 2017. IFIP Advances in Information and Communication Technology, 516 (pp.77-189). New York: Springer.

Gordon, F and Reilly, P.J. (2018). Digital weapons in a post-conflict society. In J.  Mair., R. Tait., R. Clark., R. Snoddy & N. Fowler (Eds.) Anti-social media (pp.29-34). London: Abramis. [pdf]

Reilly, P.J (2017) Tweeting for Peace? Twitter and the 2014 Ardoyne parade dispute, in Reilly, P., Veneti, A and Atanasova, D. (eds) (2016) Politics, Protest, Emotion: Interdisciplinary Perspectives: A Book of Blogs, Digital Societies Group, University of Sheffield.

Claydon, E.A, Reilly, P.J. and Gunter, B (2015). Dis/Enablement? An analysis of the representation of impairment and disability on British terrestrial television pre- and post- the Paralympics. In D.Jackson., C. Hodges., M. Molesworth & R. Scullion (Eds.) Reframing disability? Media, (dis)empowerment and voice in the 2012 Paralympics (pp.37-65). London: Routledge.

Reilly, P.J. (2014) The Battle of Stokes Croft on YouTube: The Ethical Challenges associated with the study of online comments, A Book of Blogs- blurring the boundaries, using social media for social research, New Social Media, New Social Science, NatCen Social Research & Sage.

Reilly, P.J. (2013). Ourselves Alone (but making connections): The social media strategies of Sinn Fein. In P. Nixon., R. Rawal & D. Mercea (Eds.)Chasing The Promise of Internet Politics(pp.157-168). London: Routledge. [pdf]

Reilly, P.J (2008). ‘Googling Terrorists: Are Northern Irish terrorists visible on Internet search engines?’ In A. Spink & M. Zimmer (Eds.) Search Engines: Interdisciplinary Perspectives (pp.151-177). New York: Springer.[pdf]

Reilly, P.J. (2006). Civil Society, the Internet and Terrorism: case studies from Northern Ireland. In S. Oates., D. Owen & R.K. Gibson (Eds.) The Internet and Politics: Citizens, voters and activists(pp.118 – 135). London: Routledge.[pdf]

Book Reviews:

Reilly, P.J. (2012) Review of Husband C and Alam, Y (2011) Social cohesion and counter-terrorism: A policy contradiction? Urban Studies, 49,451-453.[pdf]

Reilly, P.J. (2012) Book Review: Communication Ethics Now, Media, War & Conflict, 5, 87-89. [pdf]

Peer-reviewed Conference Papers:

Ozkula, S., Reilly, P.J. and Hayes, J. (2020) Easy Data, usual suspects, same old places? A systematic review of methodological approaches in digital activism research, 1995-2019, Selected Papers in Internet Research 2020. Research from the Annual Conference of the Association of Internet Researchers. [pdf]

Petersen, L., Havarneanu, G., Reilly, P.J, Serafinelli, E., and Bossu, R. (2018). November 2015 Paris Terrorist Attacks and Social Media Use: Preliminary findings from authorities, critical infrastructure operators and journalists, in K. Boersma & B.Tomaszewski (Eds.) Proceedings of the 15thISCRAM Conference, 629-638. [pdf]

Reilly P.J, Serafinelli, E., Stevenson R., Petersen L., Fallou L. (2018). Enhancing Critical Infrastructure Resilience Through Information-Sharing: Recommendations for European Critical Infrastructure Operators. In G. Chowdhury., J. McLeod., V. Gillet & P. Willett (Eds.) Transforming Digital Worlds. iConference 2018. Lecture Notes in Computer Science,10766,120-125.[link]

Petersen, L., Fallou, L., Reilly, P.J, and Serafinelli, E. (2017) Should CI operators use social media to communicate with the public during crisis situations? Lessons learned from Oslo Harbour. In Institute of Electrical and Electronics Engineers (Eds) Proceedings from the 4thInternational Conference on Information and Communication Technologies for Disaster Management (ICT-DM 2017), 214-222.[pdf]

Petersen, L., Fallou, L., Reilly, P.J, and Serafinelli, E. (2017). Public expectations of disaster information provided by critical infrastructure operators: Lessons learnt from Barreiro, Portugal. In I.M. Dokas., N. Bellamine-Ben Saoud., J. Dugdale & P. Diaz (Eds.) Fourth International Conference on Information Systems for Crisis Response and Management in Mediterranean Countries, Xanthi, Greece 18-20 August, Lecture Notes in Business Information Processing, 193-203. [link]

Petersen, L., Fallou, L., Reilly, P.J, and Serafinelli, E. (2017). Exploring public expectations for aid from critical infrastructure operators. In I. Žutautaitė., M.Eid., K.Simola & V. Kopustinskas (Eds.) Proceedings from Critical infrastructures: Preparedness & Resilience for the Security of Citizens and Security, 52ndEuropean Security, Reliability & Data Association Seminar, Lithuanian Energy Institute, Kaunas, Lithuania, 30-31 May, 70-81. [pdf]

Petersen, L., Fallou, L., Reilly, P.J, and Serafinelli, E. (2017). Public expectations of social media use by critical infrastructure operators in crisis communication. In T.Comes, F.Benaben., C.Hanachi., M. Lauras & A. Montarnal (Eds.) Proceedings from the 14thInternational Conference on Information Systems for Crisis Response and Management, Albi, France, 21 May, 522-531. [pdf]

Government Inquiries:

Gordon, F. and Reilly, P.J. (2020): Submission – Examining online harassment and cyber bullying Pre-Consultation Paper. figshare. Report.

Reilly, P.J. (2018) Fake news, mis-and disinformation in Northern Ireland, Written evidence submitted to ‘Fake news’ inquiry, UK House of Commons Digital, Culture, Media and Sport Committee, published 21 May 2018.

UK Parliamentary Office of Science and Technology POSTnote 564 Communicating Risk, CascEff research cited and acknowledged as reviewer of publication, 15 November 2017.

O’Reilly, M.,  Dogra, N., Hughes, J., Reilly, P.J, and Whiteman, N. (2017) Written evidence submitted to Children and young people’s mental health- role of education, UK Government Health Committee Inquiry, published 21 February 2017.

Scientific Reports:

Tantanasi, I., Reilly, P.J., Serafinelli, E., Stevenson, R., Petersen, L., Fallou, L., Rosenqvist, H., & Carreira, E. (2018) Report of organizational and societal resilience concepts applied to living labs, EU Horizon 2020 IMPROVER Project Deliverable 4.4, European Commission Horizon 2020. [link]

Serafinelli, E., Reilly, P.J, Stevenson, R., Petersen, L., Fallou, L., & Carreira, E. (2017) A communication strategy to build critical infrastructure resilience, EU Horizon 2020 IMPROVER Project Deliverable 4.2, European Commission Horizon 2020.  [link]

Petersen, L., Fallou, L., Reilly, P.J, Serafinelli, E., Carreira, E., and Uktin, A. (2016) Social resilience criteria for critical infrastructures during crises, EU Horizon 2020 IMPROVER Project Deliverable 4.1, European Commission Horizon 2020 [pdf].

Melkunaite, L., Alheib, M.,, Baker, G., Cadete, G., Carreira, E.,  Eriksson, K., Gaspar, C., Gattinesi, P., Guay, F., Honfi, D., Ioannou, I., Kinscher, J., Lange, D., Petersen, L., Reilly, P.J, Rod, B., Salmon, R., Stevenson, R., Theocharidou, M., and Utkin, A. (2016) International Survey, EU Horizon 2020 IMPROVER Project Deliverable 1.1, European Commission Horizon 2020 [pdf] .

Lonnermark, A., Criel, X., Johansson, J., Cedergren, A., van Heuverswyn, K., Judek, C., Lange, D., Arnell, K., and Reilly, P. (2016) CascEff Glossary and Definitions, EU FP7 CascEff Project Deliverable 1.6, European Commission FP7 [pdf]

Reilly, P. and Atanasova, D. (2016) A report on the media and information flows during crisis situations, EU FP7 CascEff Project Deliverable 3.4, European Commission FP7. [link]

Reilly, P. and Atanasova, D. (2016) A strategy for communication between key agencies and members of the public during crisis situations, EU FP7 CascEff Project Deliverable 3.3, European Commission FP7.[pdf]

Bram, S., Degerman, H., Ericsson, K., Vylund, L., Amon, F., , Ronchi, E., Nieto Uriz, F., Criel, X., Reilly, P., van Heuverswyn, K., and Brugghemans, B. (2016) Effects of human activities on the progression and development of large scale crises, EU FP7 CascEff Project Deliverable 3.2, European Commission FP7. [pdf}

Young, O and Reilly, P. (2015) Social Media, Parades and Protests, Northern Ireland Community Relations Council.

Policy Briefs:

Heminway, R., Ozkula, S., and Reilly, P. (2019 )Disease, devices and development: creating a national eHealth strategy in 2019, Policy Brief, Global Policy, 17 May.

Baskaradas, E., and Reilly, P. (2019) In search of a gender-balanced approach towards Smart Cities 3.0, Policy Brief, Global Policy, 25 April.

Baskett, V. and Reilly, P. (2019) Educational Digital Divides: addressing English  monolingualism within academic research, Policy Brief, Global Policy, 23 April.

Kisbee-Batho, R. and Reilly, P. (2019) Legal identity as a barrier to digital connectivity for refugees, Policy Brief, Global Policy Opinion, 22 April.

Pinney, M. and Reilly, P. (2019  e-Agriculture: coordinating fields to save the environment, Policy Brief, Global Policy, 16 April.

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