Bruno Abrahao


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Postdoctoral Fellow
Stanford University
Ph.D. (2014)
Computer Science
Cornell University




Stanford Univeristy

Stanford Univeristy


Honors and Awards

  • Best Extended Abstract Award for the paper "From Power to Status in Online Exchange", ACM WebSci 2012 [Award]

  • Best Paper Award Finalist for the paper "Fractal Characterization of Web Workloads", Evelenth International World Wide Web Conference (WWW'02) [www2002.pdf]

  • Best Master's Thesis Award Finalist, ranked among top 10 master's thesis by the Brazilian Computer Science Society, 2006.

  • Teaching Assistant Award, Cornell University. For outstanding accomplishments and contributions as a teaching assistant, 2009 [Award]

  • Fulbright Fellowship, full funding to pursue a Ph.D. degree, 2006. Ranked 2nd among all Brazilian applicants.

  • Broadening Participation in Data Mining Scholarship, received at KDD'13, Chicago, IL, August, 2013

  • Cornell University Fellowship for Research Abroad, visited La Sapienza University of Rome, Italy, 2012

  • Santa Fe Institute Scholarship, Complex Systems Summer School, 2010

  • Hewlett Packard Fellowship to pursue a M.Sc. degree at Federal University of Minas Gerais, 2004- 2005.

  • CAPES Fellowship (Brazil) to pursue a M.Sc. degree at Federal University of Minas Gerais, 2003- 2004.

  • CNPQ Fellowship (Brazilian National Council for Scientific and Technological Development) to pursue undergraduate research at Federal University of Minas Gerais, 2000-2002.

Selected Publications

  • B. Abrahao, P. Parigi, A. Gupta, K.S. Cook, Reputation offsets trust judgments based on social biases among Airbnb users, Proceedings of the National Academy of Sciences (PNAS), 2017 [Full Text] [pdf] [The Exchange Project] [Simulate your participation in the experiment] [TED talk based on this research]

  • B. Abrahao, P. Parigi, A. Gupta, K.S. Cook, Trust is Extensible: An Online Experiment on Airbnb's User Population, 3rd Annual International Conference on Computational Social Science , Cologne, Germany, 2017

  • B. Abrahao, P. Parigi, Computational Social Science, To appear in The Oxford Handbook of Social Networks, Oxford Press, 2016.

  • B. State, B. Abrahao, K.S. Cook, Power Imbalance and Rating Systems, In Proceedings of the 10th International AAAI Conference on Web and Social Media (ICWSM), Cologne, Germany, 2016 [pdf]

  • T. Lin, B. Abrahao, R. Kleinberg, J. Lui, W. Chen, Combinatorial Partial Monitoring Game with Linear Feedback and Its Applications, In Proceedings of the 31st International Conference on Machine Learning (ICML'14), Beijing, China, 2014 [pdf][supplementary material]

  • B. Abrahao, S. Soundarajan, J. Hopcroft, R. Kleinberg, A Separability Framework for Analyzing Community Structure, ACM Transactions on Knowledge Discovery from Data (TKDD), 2014 [pdf] [project]

  • B. Abrahao, F. Chierichetti, R. Kleinberg, A. Panconesi, Trace Complexity of Network Inference, In Proceedings of the 19th ACM SIGKDD Conference on Knowledge Discovery and Data Mining (KDD’13),Chicago, IL, 2013 [pdf] [extended version ] [slides]

  • B. Abrahao, S. Soundarajan, J. Hopcroft, R. Kleinberg, On the Separability of Structural Classes of Communities, In Proceedings of the 18th ACM SIGKDD Conference on Knowledge Discovery and Data Mining (KDD’12), Beijing, China, 2012 [pdf] [video-ad] [slides] [project]

  • B. State, B. Abrahao, K.S. Cook, From Power to Status in Online Exchange, In Proceedings of the 4th ACM International Conference on Web Science, Evanston, IL, USA, 2012 Best Extended Abstract Award [pdf] [slides]

  • B. Abrahao and R. Kleinberg, On the Internet Delay Space Dimensionality, In Proceedings of the 8th ACM/SIGCOMM Internet Measurement Conference (IMC'08), Athens, Greece, 2008 [pdf] [slides]

  • B. Abrahao and R. Kleinberg, Brief Announcement: On the Internet Delay Space Dimensionality, In Proceedings of the 27th Annual ACM SIGACT-SIGOPS ACM SIGACT SIGOPS Symposium on Principles of Distributed Computing (PODC), Toronto, Canada, 2008 [pdf]

  • B. Abrahao, V. Almeida, J. Almeida, A. Zhang, D. Beyer, F. Safai, Self-Adaptive SLA-Driven Capacity Management for Internet Services, In Proceedings of the 10th IEEE/IFIP Network Operations and Management Symposium (NOMS), Vancouver, Canada, 2006 [pdf] [slides]

  • B. Abrahao, Autonomous Business-Driven Capacity Management for Internet Data Centers, Thesis and Dissertation Contest, Brazilian Computer Science Society (SBC), 2006

  • B. Abrahao, A. Zhang, Characterizing Application Workloads on CPU Utilization for Utility Computing, Tech Report HPL-2004-157, HP Labs, Palo Alto, CA, USA September, 2004 [pdf]

  • R. Fonseca, V. Almeida, M. Crovella, B. Abrahao, On the Intrinsic Locality Properties of Web Reference Streams, In Proceedings of the 22th Annual Joint Conference of the IEEE Computer and Communications Societies (INFOCOM) , San Francisco, CA, USA, 2003 [pdf] [slides]

  • D. Menasce, B. Abrahao, D. Barbara, V. Almeida and F. Ribeiro, Fractal Characterization of Web Workloads, In Proceedings of the Eleventh International World Wide Web Conference (WWW2002) , Honolulu, HI, USA 2002 Best Paper Award Finalist [html] [www2002.pdf]

  • D. Menasce, B. Abrahao, D. Barbara, V. Almeida and F. Ribeiro, Characterizing E-Business Workloads Using Fractal Methods, Journal of Web Engineering, Vol. N. 1, pp 74-90 , November 2002 [pdf]

Patents

  • B. Abrahao, A. Zhang, Method and apparatus for computational analysis, US Patent #7698111, issue date: April, 13, 2010. [pdf] [link]

Service

  • Senior Program Committee for ACM Web Science 2016

  • Program Committee for KDD’14, WWW’15, ICML’15, SDM’15, KDD’15, KDD'17, IC2S2'17

  • Reviewer for JMLR, 2013, IEEE TWEB, 2012, 2013, DAMI, 2013, IEEE TKDE, 2012, Springer Telecommunication Systems, 2012, Elsevier Journal of Computer Networks, 2003

  • External Reviewer, ITCS 2013, WINE 2013, EWSSN 2013, Performance 2005, WWW2003

Teaching

Media from Recent Projects

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Trace Complexity of Network Inference from Bruno Abrahao
On the Separability of Structural Classes of Communities from Bruno Abrahao
On the Internet Delay Space Dimensionality from Bruno Abrahao
From Power to Status in Large Scale Exchanges from Bruno Abrahao
Self-Adaptive SLA-Driven Capacity Management for Internet Services from Bruno Abrahao
On the Intrinsic Locality Properties of Web Reference Streams from Bruno Abrahao