Publications

 2015
  • Query-Time Record Linkage and Fusion over Web Databases                                                       The 31th International Conference on Data Engineering (ICDE), Seoul, Korea, 2015
    El Kindi Rezig, Eduard Dragut, Mourad Ouzzani, Ahmed Elmagarmid
  • CliqueSquare: Flat Plans for Massively Parallel RDF Queries
    The 31th International Conference on Data Engineering (ICDE), Seoul, Korea, 2015
    François Goasdoué, Zoi Kaoudi, Ioana Manolescu, Jorge-Arnulfo Quiané-Ruiz, Stamatis Zampetakis
  • Proof Positive and Negative in Data Cleaning
    The 31th International Conference on Data Engineering (ICDE), Seoul, Korea, 2015
    Matteo Interlandi and Nan Tang
  • CliqueSquare in Action: Flat Plans for Massively Parallel RDF Queries (demo)
    The 31th International Conference on Data Engineering (ICDE), Seoul, Korea, 2015
    Benjamin Djahandideh, François Goasdoué, Zoi Kaoudi, Ioana Manolescu, Jorge-Arnulfo Quiané-Ruiz, Stamatis Zampetakis
  • AllegatorTrack: Visualizing and Explaining Truth Discovery Results from Multisource Data (demo)
    The 31th International Conference on Data Engineering (ICDE), Seoul, Korea, 2015
    Dalia Attia Waguih, Naman Goel, Hossam M. Hammady, Laure Berti-Equille
  • Cost Estimation of Spatial k-Nearest-Neighbor Operators
    18th International Conference on Extending Database Technology (EDBT), Brussels, Belgium, 2015
    Ahmed M. Aly, Walid G. Aref, Mourad Ouzzani
  • HAIndex: A Fast Approach for Hamming Distance Queries over MapReduce
    18th International Conference on Extending Database Technology (EDBT), Brussels, Belgium, 2015
    Mingjie Tang, Yongyang Yu, Walid G. Aref, Qutaibah M. Malluhi, Mourad Ouzzani
  • Approving Updates in Collaborative Databases
    IEEE International Conference on Cloud Engineering (IC2E), Tempe, AZ, USA, 2015
    Khaleel Mershad, Qutaibah M. Malluhi, Mourad Ouzzani, Mingjie Tang, and Walid G. Aref
  • XForms: Leveraging the Web for Semantic Data Transformations
    The 7th Biennial Conference on Innovative Data Systems Research (CIDR), Asilomar, California, USA, 2015
    Zia Abedjan, John Morcors, Michael Gubanov, Ihab Ilyas, Micheal Stonebraker, Paolo Papotti and Mourad Ouzzani
 2014
  • Towards Dependable Data Repairing with Fixing Rules
    ACM SIGMOD Conference on Management of Data (SIGMOD), Snowbird, USA, 2014
    Jiannan Wang and Nan Tang
  • The Similarity-aware Relational Intersect Database Operator (Best Paper Award)
    7th International Conference on Similarity Search and Applications, Los Cabos, Mexico, September 2014 
    Wadha Jabir Al Marri, Mingjie Tang, Qutaibah Malluhi, Mourad Ouzzani and Walid Aref
  • Big Data Cleaning
    APWeb 2014 (invited as Distinguished Lecture Series)
    Nan Tang
  • A Masking Index for Quantifying Hidden Glitches (extended version)
    Kownledge and Information Systems, Springer, July 2014.
    Laure Berti-Equille, Ji Meng Loh and Tamraparni Dasu
  • Web Data Quality: Current State and New Challenges
    Int. J. Semantic Web Inf. Syst., 10(2), 1-6 2014
    Amrapali Zaveri, Andrea Maurino, and Laure Berti-Equille
  • Descriptive and Prescriptive Data Cleaning
    ACM SIGMOD Conference on Management of Data (SIGMOD), Snowbird, USA, 2014
    Anup K. Chalamalla, Ihab Ilyas, Mourad Ouzzani, and Paolo Papotti
  • NADEEF/ER: Generic and Interactive Entity Resolution
    ACM SIGMOD Conference on Management of Data (SIGMOD demo), Snowbird, USA, 2014
    Ahmed Elmagarmid, Ihab Ilyas, Mourad Ouzzani, Jorge-Arnulfo Quiané-Ruiz, Nan Tang and Si Yin
  • Interaction between Record Matching and Data Repairing
    ACM Journal of Data and Information Quality (JDIQ). 
    Wenfei Fan, Shuai Ma, Nan Tang, and Wenyuan Yu
  • Conflict Resolution with Data Currency and Consistency
    ACM Journal of Data and Information Quality (JDIQ) (invited).  
    Wenfei Fan, Shuai Ma, Nan Tang, and Wenyuan Yu
  • Towards Zero-Overhead Static and Adaptive Indexing in Hadoop
    Very Large Data Bases Journal (VLDBJ).  
    Stefan Richter, Jorge-Arnulfo Quiané-Ruiz, Stefan Schuh, and Jens Dittrich
  • Discovering Denial Constraints
    The 40th International Conference on Very Large Data Bases (VLDB), Hangzhou, China, 2014
    Xu Chu, Ihab Ilyas, Paolo Papotti
  • Scalable Discovery of Unique Column Combinations
    The 40th International Conference on Very Large Data Bases (VLDB), Hangzhou, China, 2014 
    Arvid Heise, Jorge-Arnulfo Quiané-Ruiz, Ziawasch Abdejan, Anja Jentzsch, Felix Naumann 
  • iHUB – An Information and Collaborative Management Platform for Life Sciences
    The 23rd International World Wide Web Conference (WWW), Seoul, South Korea, 2014 
    David Salt, Mourad Ouzzani, Eduard Dragut, Peter Baker, and Srivathsava Rangarajan
  • RuleMiner: Data Quality Rules Discovery
    The 30th International Conference on Data Engineering (ICDE demo), Chicago, USA, 2014
    Xu Chu, Ihab Ilyas, Paolo Papotti, Yin Ye
  • Detecting Unique Column Combinations on Dynamic Data
    The 30th International Conference on Data Engineering (ICDE), Chicago, USA, 2014 
    Ziawasch Abdejan, Jorge-Arnulfo Quiané-Ruiz, Felix Naumann
  • Mapping and Cleaning
    The 30th International Conference on Data Engineering (ICDE), Chicago, USA, 2014 
    Floris Geerts, Giansalvatore Mecca, Paolo Papotti, and Donatello Santoro
  • IQ-Meter: An Evaluation Tool for Data-Transformation Systems
    The 30th International Conference on Data Engineering (ICDE demo), Chicago, USA, 2014 
    Giansalvatore Mecca, Paolo Papotti, and Donatello Santoro
  • JISC: Adaptive Stream Processing Using Just-In-Time State Completion
    17th International Conference on Extending Database Technology (EDBT), Athens, Greece, 2014
    Ahmed M. Aly, Walid G. Aref, Mourad Ouzzani, Hosam M. Mahmoud
2013 
  • Disheng Qiu, Paolo Papotti, and Lorenzo Blanco. Future Locations Prediction with Uncertain Data. The European Conference on Machine Learning and Principles and Practice of Knowledge Discovery in Databases (ECML/PKDD), Prague, Czech Republic, 2013
  • Mirko Bronzi, Valter Crescenzi, Paolo Merialdo, and Paolo Papotti. Extraction and Integration of Partially Overlapping Web Sources. The 39th International Conference on Very Large Data Bases (VLDB), Riva Del Garda, Italy, 2013
  • Floris Geerts, Giansalvatore Mecca, Paolo Papotti, and Donatello Santoro. The Llunatic Data Cleaning Framework. The 39th International Conference on Very Large Data Bases (VLDB), Riva Del Garda, Italy, 2013
  • Amr Ebaid, Ahmed Elmagarmid, Ihab Ilyas, Mourad Ouzzani, Jorge Quiane-Ruiz, Nan Tang and Si Yin. NADEEF: A Generalized Data Cleaning System. The 39th International Conference on Very Large Data Bases (VLDB demo), Riva Del Garda, Italy, 2013
  • Lei Cen, Eduard C. Dragut, Luo Si, and Mourad Ouzzani. Author Disambiguation by Hierarchical Agglomerative Clustering with Adaptive Stopping Criterion. The 36th Annual ACM SIGIR Conference, Dublin, Ireland, 2013
  • Michele Dallachiesa, Amr Ebaid, Ahmed Eldawy, Ahmed Elmagarmid, Ihab Ilyas, Mourad Ouzzani, and Nan Tang. NADEEF: A Commodity Data Cleaning System. ACM SIGMOD Conference on Management of Data (SIGMOD), New York, USA, 2013
  • Mohamed Yakout, Ahmed Elmagarmid, and Laure Berti-Equille. Don't be SCAREd: Use SCalable Automatic REpairing with Maximal Likelihood and Bounded Changes. ACM SIGMOD Conference on Management of Data (SIGMOD), New York, USA, 2013
  • Mourad Ouzzani, Paolo Papotti, and Erhard Rahm. Introduction to the special issue on data quality. Information Systems
  • Xu Chu, Paolo Papotti, and Ihab Ilyas. Holistic Data Cleaning: Put Violations Into Context.  The 29th International Conference on Data Engineering (ICDE), Brisbane, Australia, 2013
  • George Beskales, Ihab Ilyas, Lukasz Golab, and Artur Galiullin. On the Relative Trust between Inconsistent Data and Inaccurate Constraints. The 29th International Conference on Data Engineering (ICDE), Brisbane, Australia, 2013
  • WenFei Fan, Floris Geerts, Nan Tang, and Wenyuan Yu. Inferring Data Currency and Consistency for Conflict Resolution. The 29th International Conference on Data Engineering (ICDE), Brisbane, Australia, 2013
  • Michael Stonebraker, Daniel Bruckner, Ihab Ilyas, George Beskales, Mitch Cherniack, Stan Zdonik, Alexander Pagan, and Shan Xu. Data Curation at Scale: The Data Tamer System.  The 6th Biennial Conference on Innovative Data Systems Research (CIDR), Asilomar, California, USA, 2013
 2012 
  • Eduard C. Dragut, Mourad Ouzzani, Amgad Madkour, Nabeel Mohamed, Peter Baker, and David E. Salt. Atlas: a tool to explore interconnected ionomic, genomic and environmental data.  The 21st ACM International Conference on Information and Knowledge Management (CIKM), 2012
  • Giansalvatore Mecca, Paolo Papotti, Salvatore Raunich, and Donatello Santoro. What is the IQ of your data transformation system? The 21st ACM International Conference on Information and Knowledge Management (CIKM), 2012
  • Wenfei Fan, Jianzhong Li, Nan Tang, and Wenyuan Yu. Incremental Detection of Inconsistencies in Distributed Data.  IEEE Transaction on Knowledge and Data Engineering (TKDE): (Special issue: Best Papers of ICDE 2012, invited)
  • Wenfei Fan, Jianzhong Li, Nan Tang, and Wenyuan Yu. Incremental Detection of Inconsistencies in Distributed Data. The 28th International Conference on Data Engineering (ICDE), Washington DC, US, 2012
  • Ahmed Aly, Walid Aref, and Mourad Ouzzani. Spatial Queries with Two kNN Predicates. Proceedings of the VLDB Endowment (PVLDB), 2012
  • Ahmed M. Aly, AsmaaSallam, Bala M. Gnanasekaran, Long-Van Nguyen-Dinh, Walid G. Aref, Mourad Ouzzani, and Arif Ghafoor. M3: Stream Processing on Main-Memory MapReduce.  The 28th International Conference on Data Engineering (ICDE Demo), Washington DC, USA, 2012
  • Yu D, Danku JM, Baxter I, Kim S, Vatamaniuk OK, Vitek O, Ouzzani M, Salt DE. High-resolution genome-wide scan of genes, gene-networks and cellular systems impacting the yeast ionome. BMC Genomics, 2012 Nov 14;13(1):623
  • Azza Ahmed and Mourad Ouzzani. Interactive web-based breastfeeding monitoring: feasibility, usability, and acceptability. Journal of Human Lactation. 2012 Nov;28(4):468-75.
  • Azza Ahmed and Mourad Ouzzani. Development and Assessment of an Interactive Web-Based Breastfeeding Monitoring System (LACTOR). Maternal and Child Health Journal, 2012 Jul 12

Research Director

Dr. Sanjay Chawla

QCRI provides an ideal environment to conduct high-impact research which can transcend disciplinary boundaries.
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Research Director

Asharaf Aboulnga2

Dr. Ashraf Aboulnaga

QCRI is an ambitious and energetic place that is on track to become a top research center worldwide. I want to be part of making that happen.
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Principal Scientist

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Dr. Mourad Ouzzani

To be part of something different than what I had been used to at Purdue University and contribute to the first computing research institution in the region.
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Principal Scientist

Dr, Xaiosong Ma 

Dr. Xiaosong Ma

I am fortunate to be part of QCRI's experiments in conducting solid, problem-driven, and impact-oriented research in computer science and engineering
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Principal Scientist


Dr. Halima Bensmail

Leadership is the most important factor that attracted me to QCRI. Need for creativity is the second factor. Innovation is a very important factor at QCRI. At QCRI we are being challenged continuously, we have been asked to think big. We are supposed to do research with applications that are of great impact, nationally and internationally.
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In the Media

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Can AI Put An End To Fake News? Don't Be So Sure

07/10/2018

Fake news was the Collin’s word of the year for 2017 with good reason. In a year where politics-as-usual was torn apart at the seams, high-profile scandals rocked our faith in humanity and the ...

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MIT/QCRI system uses machine learning to build road maps

22/04/2018

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Improving disaster response efforts through data

08/02/2018

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Events

Past Events

2018

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QCRI Summer Internship Program

Download ICS File 06/05/2018  - 05/07/2018 , Hamad Bin Khalifa Research Complex

Each year, Qatar Computing Research Institute organizes a summer internship program for undergraduate students studying computer science, computer engineering and other disciplines. The internship is unpaid, and QCRI does not provide any visa support.

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Regina

Public Talk by Prof. Regina Barzilay "Artificial Intelligence for Oncology: Learning to Cure Cancer from Images and Text"

Download ICS File 27/03/2018 ,

Artificial Intelligence for Oncology: Learning to Cure Cancer from Images and Text A talk by Professor Regina Barzilay, MIT CSAIL Winner of 2017 MacArthur ‘genius grant’ At Education City Student ...

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QCRI & MIT-CSAIL Annual Project Review 2018

Download ICS File 27/03/2018 ,

Executive Overview Sessions Open to public Date:    Tuesday, March 27, 2018 Time:    9:00AM – 3:00PM Venue:  HBKU Research Complex Multipurpose Room To view full agenda, please click here . To RSVP, ...

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News

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QCAI to Conduct Joint Machine Learning School with BigML

16/10/2018

Two-day crash course to provide hands-on introduction to machine learning for industry practitioners, developers, graduate students and undergraduates.

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MIT-CSAIL hosts annual meeting highlighting collaboration with QCRI

14/10/2018

QCRI scientists travel to MIT-CSAIL campus in Boston to update research projects.

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The drivers behind our new Qatar Center for Artificial Intelligence (QCAI)

03/10/2018

QCRI's Executive Director Dr. Ahmed Elmagarmid explains why we have created a new AI hub in Qatar.

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