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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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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In the Media

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Artificial intelligence suggests recipes based on food photos

25/07/2017

There are few things social media users love more than flooding their feeds with photos of food. Yet we seldom use these images for much more than a quick scroll on our cellphones. Researchers from ...

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How did Donald Trump win? WikiLeaks, Twitter helped president beat Hillary Clinton, study shows

16/07/2017

A signature catchphrase, a heavy push for jobs,  his son-in-law’s digital operation  and a blowhard, braggadocios style of speech ultimately handed President Donald Trump the White House on Election ...

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Cyber security experts advise caution after attacks

16/05/2017

Cyber security experts in Qatar and the region have advised caution and not to access any emails or other information from unknown sources, following the recent wave of cyber attacks across the world...

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Events

Past Events

2017

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QCRI to conduct first summer computing camps for kids

Download ICS File 16/07/2017  - 27/07/2017 ,

Children and teenagers will be given a rare chance to develop their computing skills with world-class computing scientists at the first summer computing camp to be conducted by the Qatar Computing ...

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QCRI’s Creative Space holds Open House event for kids

Download ICS File 20/05/2017 ,

The Qatar Computing Research Institute’s new Creative Space, which conducts fun activities to teach children computing skills, has successfully held its first Open House event. About 100 children ...

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QCRI-MIT CSAIL Annual Research Project Review 2017

Download ICS File 27/03/2017 ,

The QCRI – MIT CSAIL Annual Research Project Review is open to the public on Monday, March 27, 2017, at the HBKU Research Complex Multipurpose Room. The annual meeting is a highlight of a ...

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News

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QCRI’s summer internship program kicks off

07/05/2017

The Qatar Computing Research Institute’s 2017 summer internship program is underway. This year’s program involves computer science and computer engineering students from Carnegie Mellon University, ...

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QCRI summer 2017 internship applications open

11/03/2017

The Qatar Computing Research Institute, part of Hamad bin Khalifa University, has announced that applications for its summer internship program have opened. The internships are being offered to ...

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MIT-CSAIL's Patrick Winston: 'AI is not a threat'

05/03/2017

Artificial intelligence expert tells Qatar audience that humans should not consider AI to be a major threat to their existence but should use it to enhance it.

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