Scholarly Works

Data-Driven Storytelling. Eds. N. Riche, C. Hurter, N. Diakopoulos, S. Carpendale. A.K. Peters / CRC Press. September, 2017. (forthcoming)

N. Diakopoulos. Enabling Accountability of Algorithmic Media: Transparency as a Constructive and Critical Lens. Towards glass-box data mining for Big and Small Data. Eds. Tania Cerquitelli, Daniele Quercia, Frank Pasquale. Springer. August, 2017. (forthcoming)

K. Assmann, N. Diakopoulos. Negotiating Change: Audience Engagement Editors as Newsroom Intermediaries#ISOJ Journal. April, 2017. [Online Article Link]


Scholarly Works

J. Stark and N. Diakopoulos. Towards Editorial Transparency in Computational Journalism. Proc. Computation + Journalism Symposium. 2016. [PDF]

N. Diakopoulos and M. Koliska. Algorithmic Transparency in the News Media. Digital Journalism. 2016. [PDF]

N. Diakopoulos. Computational Journalism and the Emergence of News Platforms. The Routledge Companion to Digital Journalism Studies. Eds. Scott Eldridge II and Bob Franklin. August, 2016. [PDF Pre-print]

B. Shneiderman, C. Plaisant, M. Cohen, S. Jacobs, N. Elmqvist, N. Diakopoulos. Designing the User Interface: Strategies for Effective Human-Computer Interaction (6th Edition). Pearson. May, 2016. [Amazon]

S. Sachar, N. Diakopoulos. Changing Names in Online News Comments at the New York Times. Proc. International Conference on Web and Social Media (ICWSM). May, 2016. [PDF]

D. Park, S. Sachar, N. Diakopoulos, and N. Elmqvist. Supporting Comment Moderators in Identifying High Quality Online News Comments. Proc. Conference on Human Factors in Computing Systems (CHI). May, 2016. [PDF] (Best Paper Honorable Mention)

T. Lokot and N. Diakopoulos. News Bots: Automating News and Information Dissemination on Twitter. Digital Journalism. 4 (6), 2016. [PDF]

N. Diakopoulos. Accountability in Algorithmic Decision Making. Communications of the ACM (CACM). Feb. 2016. [PDF]

Other Articles

J. Stark and N. Diakopoulos. Exploring the tension between transparency and user experience. Tow Center blog. December, 2016. Link

N. Diakopoulos and S. Friedler. How to Hold Algorithms Accountable. MIT Technology Review. November, 2016. Link

N. Diakopoulos. BuzzFeed’s pro tennis investigation displays ethical dilemmas of data journalism. Columbia Journalism Review (CJR). November, 2016. Link

D. Trielli and N. Diakopoulos. How Google Shapes the News You See About the Candidates. Slate. November, 2016. Link

N. Diakopoulos. Top Programming Languages Trends: The Rise of Big Data. IEEE Spectrum. July, 2016. Link

D. Trielli, S. Mussenden, J. Stark, N. Diakopoulos. Googling Politics: How the Google issue guide on candidates is biased. Slate. June, 2016. Link

J. Stark and N. Diakopoulos. Uber seems to offer better service in areas with more white people. That raises some tough questions. Washington Post. March, 2016. Link

N. Diakopoulos. We need to know the algorithms the government uses to make important decisions about us. The Conversation. May, 2016. Link

N. Diakopoulos. Peda(bot)gically Speaking: Teaching Computational and Data Journalism with Bots. Source. April, 2016. Link

N. Diakopoulos. Artificial Moderation: A Reading List. Coral Project. March, 2016. Link

N. Diakopoulos. How to Hold Governments Accountable for the Algorithms They Use. Slate. Feb., 2016. Link



Scholarly Works

E. Momeni, C. Cardie, N. Diakopoulos. A Survey on Assessment and Ranking Methodologies for User-Generated Content on the Web. ACM Computing Surveys (CSUR). 48 (3), 2015.

A. Olteanu, C. Castillo, N. Diakopoulos, K. Aberer. Comparing Events Coverage in Online News and Social Media: The Case of Climate Change. Proc. International Conference on Web and Social Media (ICWSM). May, 2015. [PDF]

N. Diakopoulos. Picking the NYT Picks: Editorial Criteria and Automation in the Curation of Online News Comments. #ISOJ Journal. April, 2015. [PDF]

N. Diakopoulos, D. Elgesem, A. Salway, A. Zhang, K. Hofland. Compare Clouds: Visualizing Text Corpora to Compare Media Frames. Proc. IUI Workshop on Visual Text Analytics. March, 2015. [Demo] [PDF]

N. Diakopoulos. The Editor’s Eye: Curation and Comment Relevance on the New York Times. Proc. Conference on Computer Supported Cooperative Work (CSCW). March, 2015. [PDF]

J. Hullman, N. Diakopoulos, E. Momeni, E. Adar. Content, Context, and Critique: Commenting on a Data Visualization Blog. Proc. Conference on Computer Supported Cooperative Work (CSCW). March, 2015. [PDF]

N. Diakopoulos. Algorithmic Accountability: Journalistic Investigation of Computational Power Structures. 3 (3), Digital Journalism. 2015. [PDF]

Elgesem, D., L. Steskal and N. Diakopoulos. The Structure and Content of the Discourse on Climate Change in the Blogosphere: The Big Picture. Environmental Communication. 9 (2), 2015.

Other Articles

D. Trielli, S. Mussenden, N. Diakopoulos. Why Google Search Results Favor Democrats. Slate. Dec., 2015. Link

N. Diakopoulos. How Uber Surge Pricing Really Works. Washington Post. April, 2015. Link


N. Diakopoulos, Stephen Cass, and Joshua Romero. Data-Driven Rankings: The Design and Development of the IEEE Top Programming Languages News App. Proc. Symposium on Computation + Journalism. Oral track. Oct, 2014. [PDF]

Yelena Mejova, Amy X. Zhang, Nicholas Diakopoulos and Carlos Castillo. Controversy and Sentiment in Online News. Proc. Symposium on Computation + Journalism. Poster track. Oct, 2014. [PDF]

N. Diakopoulos and A. Zubiaga. Newsworthiness and Network Gatekeeping on Twitter: The Role of Social Deviance. Proc. International Conference on Weblogs and Social Media (ICWSM). June, 2014. [PDF]

N. Diakopoulos, A. Zhang, D. Elgesem, A. Salway. Identifying and Analyzing Moral Evaluation Frames in Climate Change Blog Discourse. Proc. International Conference on Weblogs and Social Media (ICWSM). June, 2014. [PDF]

T. Gao, J. Hullman, E. Adar, B. Hecht, N. Diakopoulos. NewsViews: An Automated Pipeline for Creating Custom Geovisualizations for News. Proc. Conference on Human Factors in Computing Systems (CHI). April, 2014. [PDF]

N. Diakopoulos. Algorithmic Accountability Reporting: On the Investigation of Black Boxes. Tow Center for Digital Journalism. February, 2014. [PDF]


N. Diakopoulos, A. Zhang, A. Salway. Visual Analytics of Media Frames in Online News and Blogs. IEEE InfoVis Workshop on Text Visualization. October, 2013. [PDF]

J. Hullman, N. Diakopoulos, E. Adar. Contextifier: Automatic Generation of Annotated Stock VisualizationsConference on Human Factors in Computing Systems (CHI). May, 2013. [PDF]


N. Diakopoulos. Visual Analytics of Blog Corpora for Communication Scholars. IEEE InfoVis workshop on Interactive Visual Text Analytics. October 2012. [PDF]

A. Salway, N. Diakopoulos, D. Elgesem. Visualizing Information Diffusion and Polarization with Key Statements. International Conference on Weblogs and Social Media (ICWSM) workshop on Social Media Visualization. June, 2012. [PDF]

N. Diakopoulos, M. De Choudhury, M. Naaman. Finding and Assessing Social Media Information Sources in the Context of Journalism. Conference on Human Factors in Computing Systems (CHI). May, 2012. [PDF] (Best Paper Honorable Mention)

N. Diakopoulos. Cultivating the Landscape of Innovation in Computational Journalism. Tow-Knight Center for Entrepreneurial Journalism. April 2012. [PDF]

M. De Choudhury, N. Diakopoulos, M. Naaman. Unfolding the Event Landscape on Twitter: Classification and Exploration of User Categories. Proc. Conference on Computer Supported Cooperative Work (CSCW). February, 2012. [PDF]

F. Kivran-Swaine, Sam Brody, Nicholas Diakopoulos, Mor Naaman. Of Joy and Gender: Emotional Expression in Online Social Networks. Conference on Computer Supported Cooperative Work (CSCW) Works in Progress. February, 2012.


J. Hullman and N. Diakopoulos. Visualization Rhetoric: Framing Effects in Narrative Visualization. IEEE Transactions on Visualization and Computer Graphics. October 2011. [PDF]

S. Brody and N. Diakopoulos. Cooooooooooooooollllllllllllll!!!!!!!!!!!!!! Using Word Lengthening to Detect Sentiment in MicroblogsProceedings Empirical Methods in Natural Language Processing (EMNLP). July, 2011. [PDF]

N. Diakopoulos, F. Kivran-Swaine, M. Naaman. Playable Data: Characterizing the Design Space of Game-y InfographicsConference on Human Factors in Computing Systems (CHI). May, 2011. [PDF]

N. Diakopoulos and M. Naaman. Topicality, Time, and Sentiment in Online News CommentsConference on Human Factors in Computing Systems (CHI) Works in Progress. May, 2011. [PDF]

N. Diakopoulos. Design Challenges in Playable Data. CHI Workshop on Gamification. May, 2011. [PDF]

N. Diakopoulos, M. Naaman, T. Yazdani, F. Kivran-Swaine. Social Media Visual Analytics for Events. In Social Media Modeling and Computing. Eds. Steven Hoi, Jiebo Luo, Susanne Boll, Dong Xu, Rong Jin, Irwin King. Springer Verlag. 2011. [PDF]

N. Diakopoulos, M. Naaman. Towards Quality Discourse in Online News Comments. Conference on Computer Supported Cooperative Work (CSCW). March, 2011. [PDF]

N. Diakopoulos. A Functional Roadmap for Innovation in Computational Journalism. 2010-2011 (working paper) [PDF]


N. Diakopoulos, M. Naaman, F. Kivran-Swaine. Diamonds in the Rough: Social Media Visual Analytics for Journalistic InquiryConference on Visual Analytics Science and Technology (VAST). October, 2010. [PDF][Video][Vox Civitas Prototype]

Z. Yu, N. Diakopoulos, M. Naaman. The Multiplayer: Multi-perspective Social Video NavigationIn Proc. addendum of User Interface Software Technology (UIST). October, 2010. [PDF]

N. Diakopoulos, D. A. Shamma. Characterizing Debate Performance via Aggregated Twitter Sentiment. Conference on Human Factors in Computing Systems (CHI). April, 2010. [PDF]

N. Diakopoulos, I. Essa. Modulating Video Credibility via Visualization of Quality Evaluations. WWW Workshop on Information Credibility on the Web (WICOW). April, 2010. [PDF]

N. Diakopoulos. Game-y Information Graphics. Conference on Human Factors in Computing Systems (CHI) Works in Progress. April, 2010. [PDF]

K. Luther, N. Diakopoulos, A. Bruckman. Edits & Credits: Exploring Integration and Attribution in Online Creative CollaborationConference on Human Factors in Computing Systems (CHI) alt.chi. April, 2010. [PDF]

Nicholas Diakopoulos and Patrick Chiu. Photoplay: A Video Game for Tagging Photos on a Tabletop Display. United States Patent #7,686,682. Granted March 30, 2010. 


N. Diakopoulos, S. Goldenberg, I. Essa. Videolyzer: Quality Analysis of Online Informational Video for Bloggers and JournalistsConference on Human Factors in Computing Systems (CHI). April, 2009. [PDF] [Video]


S. Yardi, K. Luther, N. Diakopoulos, A. Bruckman. Opening The Black Box: Four Views of Transparency in Remix Culture. CSCW Workshop on Tinkering, Tailoring, & Mashing: The Social and Collaborative Practices of the Read-Write Web. San Diego, November, 2008.

N. Diakopoulos, K. Luther, I. Essa. Audio Puzzler: Piecing Together Time-Stamped Speech Transcripts with a Puzzle Game. ACM Multimedia. October, 2008. [PDF]

N. Diakopoulos, I. Essa. An Annotation Model for Making Sense of Information Quality in Online Video. International Conference on the Pragmatic Web (ICPW). September, 2008. [PDF]

P. Chiu, J. Huang, M. Back, N. Diakopoulos, J. Doherty, W. Polak, X. Sun. mTable: Browsing Photos and Videos on a Tabletop SystemACM Multimedia Video Program. 2008. [YouTube Link]


N. Diakopoulos, P. Chiu. PhotoPlay: A Collocated Collaborative Photo Tagging Game on a Horizontal DisplayIn Proceedings addendum of User Interface Software Technology (UIST). Newport, Rhode Island, October 2007. [Abstract] [Poster]

A. St. Clair, M. Fong, N. Diakopoulos, I. Essa. NARC: The News Article Revision ComparatorIn Proceedings addendum of User Interface Software Technology (UIST). Newport, Rhode Island, October 2007 [Abstract] [Poster]

N. Diakopoulos, K. Luther, Y. Medynskiy, I. Essa. The Evolution of Authorship in a Remix SocietyIn Proceedings of Hypertext and Hypermedia. Manchester, UK, September 2007[PDF]

K. Luther, N. Diakopoulos. Distributed Creativity. Creativity and Cognition Workshop on Supporting Creative Acts Beyond Dissemination. Washington, DC. June 2007. [PDF]

N. Diakopoulos, K. Luther, Y. Medynskiy, I. Essa. Remixing Authorship: Reconfiguring the Author in Online Video Remix Culture. Georgia Tech, Technical Report. GIT-IC-07-05. 2007. [PDF]


N. Diakopoulos, I. Essa. Videotater: An Approach for Pen-Based Digital Video Segmentation and TaggingIn Proceedings of User Interface Software and Technology (UIST). Montreux, Switzerland, October 2006. [PDF]


N. Diakopoulos. Remix Culture: Mixing Up Authorship. December 2005. [WORD]

N. Diakopoulos, I. Essa. Supporting Personal Media Authoring. ACM Multimedia workshop on Multimedia for Human Communication (MHC). Singapore, November 2005. [PDF]

N. Diakopoulos, I. Essa. Mediating Photo Collage Authoring. In Proceedings of User Interface Software and Technology (UIST). Seattle, USA, October 2005. [PDF] [Webpage]

N. Diakopoulos, P. Stephenson. Anti-Aliased Lines Using Run-MasksComputer Graphics Forum, vol. 24, no. 2, 2005, pp 165-172.

2004 and before

H. Rehatschek, N. Diakopoulos, G. Kienast, V. Hahn, T. Declerck. DIRECT-INFO: A Distributed Multimodal Analysis System for Media Monitoring ApplicationsEuropean Workshop on the Integration of Knowledge, Semantics and Digital Media Technology (EWIMT 2004), London, UK, November 2004. [PDF]

U. Bischoff, N. Diakopoulos, F. L??sch, Y. Zhou. ThemeExplorer: A Tool for Understanding the History of the Field of Information VisualizationInfoVisFun 2004, Austin, USA, October, 2004. [PDF]

N. Diakopoulos, I. Essa, and R. Jain. Content Based Image SynthesisConference on Image and Video Retrieval (CIVR) 2004, Dublin, Ireland, July 2004. pp 299-307. [PDF] [Webpage]

S. Volmer and N. Diakopoulos. Contextually Meaningful Representation of Color for the Description of Visual Content6th International Conference on Visual Information Systems, Miami, USA, September 2003. [PDF]

N. Diakopoulos and S. Volmer. Temporally Tolerant Video MatchingSIG IR Multimedia Information Retrieval Workshop 2003, Toronto, Canada, August 2003. [PDF]

Peter Stephenson, Bruce Litow, and Nicholas Diakopoulos. Using Line Structure Information to Enhance Line Drawing in Digital Systems. US Patent #: WO03052733. July 26, 2003.