Current Projects »

Jordi Nin holds a PhD in Computer Science since 2008 from the Autonomous University of Barcelona (UAB). He is a tenure-track lecturer at the Computer Architecture Department (AC) of the Technical University of Catalonia (UPC-BarcelonaTECH) and an associate researcher in the Barcelona Supercomputing Center (BSC-CNS). He is conducting research about big data technologies and analytics. Since 2013 he is involved in several research collaboration projects with CA Labs, focused on the development of crowdsourcing platforms, big data analytics and visualization.

Education »

Bachelor of Sciences in Computer Science

UAB - Sep 2004

Bachelor's Thesis: Recomendation System for House Works Organization.

Bachelor of Sciences in Computer Science

UAB - Sep 2006

Bachelor's Thesis: High Dynamic Vehicle Routing.

PhD. in Computer Science (Outstanding Award)

UAB - June 2008

Thesis title: Contributions to Record Linkage for Disclosure Risk Assessment. Advisor: Vicenç Torra i Reventós, ISBN: 978-84-691-6595-9.

Positions »

Ph.D. Student

IIIA-CSIC - January 2007, May 2009

Research Interests: Machine Learning, Record Linkage, Data Integration, Privacy-preserving Data Mining.

Part time associate professor

UPC - September 2007, August 2010

Subjects Taught: Computer Networks.

Marie Curie Researcher

LAAS - June 2009, August 2010

Research Interests: Location Privacy, Metric Spaces, Clustering, Private Information Retrieval.

Tenure-track Lecturer

UPC - September 2010

Subjects Taught: Computer Security.

Associate Researcher

BSC-CNS - September 2013

Research Interests: Big Data Technologies and Analytics, Data Integration, Data Visualization.

External Consultant

CA Labs - September 2013

Research Interests: Crowdcomputing, Green Computing.

Prizes »

InnovaChallenge MX Big Data - 1st Prize in Apps for Companies

BBVA - Jan 2015

PEAR Campaigns

Outstanding PhD Thesis

UAB - June 2008

Research Activities »

I am (was) organizing the following events and meetings:


  • Third Int. Workshop on Citizen Network (CitiNet 2014) in Lucca, Italy.
  • Second Int. Workshop on Citizen Sensor Networks (CitiSen 2013) in Barcelona, Spain.
  • First Int. Workshop on Citizen Sensor Networks (CitiSen 2012) in Montpellier, France.
  • ACM First Int. Workshop on Privacy and Anonymity for Very Large Datasets (PAVLAD 2009) in Hong Kong, China.


  • Barcelona Spark Meetup (link)

Selected Publications »

Privacy-preserving Data Mining

2007 - 2009

  • J. Herranz, J. Nin and M. Solé, More Hybrid and Secure Protection of Statistical Datasets, IEEE Transactions on Dependable and Secure Computing, volume 9, issue 5, pages 727-740, IEEE Press, 2012. SCI index (2012):1.409. [pdf]
  • J. Nin and V. Torra, Towards The Evaluation of Time Series Protection Methods. Information Sciences, Elsevier, volume 179, issue 11, pages 1663-1677, 2009. SCI index (2009):3.095. [pdf]
  • J. Nin, J. Herranz and V. Torra, Rethinking Rank Swapping to Decrease Disclosure Risk. Data and Knowledge Engineering (DKE), Elsevier, volume 64, issue 1, Pages 346-364, 2008. SCI index (2008):1.480 [pdf]
  • J. Nin, J. Herranz and V. Torra, On the Disclosure Risk of Multivariate Microaggregation. Data and Knowledge Engineering (DKE), Elsevier, volume 67, issue 3, Pages 399-412, 2008. SCI index (2008):1.480. [pdf]

Machine Learning

2008 - 2013

  • D. Rebollo-Mondedero, M. Solé, J. Nin and J. Forné, A Modification of the k-Means Method for Quasi-Unsupervised Learning, Knowledge-Based Systems, volume 37, pages 176-185, Elsevier, 2013. SCI index (2013):2.422. [pdf]
  • J. Herranz, J. Nin and M. Sole, Optimal Symbol Alignment Distance: A New Distance for Sequences of Symbols. IEEE Transactions on Knowledge and Data Engineering (TKDE), volume 23, issue 10, pages 1541-1554, 2012 IEEE Press.SCI index (20012):2.236. [pdf].
  • J. Nin, A. Laurent and P. Poncelet, Speed Up Gradual Rule Mining from Stream Data! A B-Tree and OWA-based Approach. Journal of Intelligent Information Systems (JIIS), Springer, volume 35, issue 3, pages 447-463, 2010. SCI index (2010):1.078. [pdf]

Big Data Analytics

2007 - Currently

  • M. Solé, V. Muntés-Mulero, J. Nin, Efficient Microaggregation Techniques for Large Numerical Data Volumes, International Journal of Information Security (IJIS), volume 11, pages 253-267, Springer, 2012. SCI index (2012):1.094[pdf].
  • J. Herranz, J. Nin and M. Sole, Kd-trees and the real disclosure risks of large statistical databases. Information Fusion (IF), volume 13, issue 4, pages 260-273, Elsevier, 2012. SCI index (2012):2.212.[pdf]
  • N. Martínez-Bazán, V. Muntés-Mulero, S. Gómez-Villamor, J. Nin, M. Sánchez-Martínez and J. Larriba-Pey, DEX: High-Performance Exploration on Large Graphs for Information Retrieval, In Proceedings of 16th ACM Conference on Information and Knowledge Management (CIKM), ISBN: 978-59593-9, pages: 573-582, 2007. (acceptance rate, 17%). [pdf]

Jordi Nin

Tenure-track Lecturer

Associate Researcher

c\ Jordi Girona 1-3, D6-109

08034, Barcelona, Catalunya, Spain

(+34) 9340-16995