Publications

2015

Ahmed El-Roby and Ashraf Aboulnaga. ALEX: Automatic Link Exploration in Linked Data. In Proceedings of the ACM International Conference on Management of Data (SIGMOD), June 2015.

Mohamed ElGharib, Mohamed Hefeeda, Frédo Durand, and William Freeman. Video Magnification in Presence of Large Motions. In Proceedings of the IEEE International Conference on Computer Vision and Pattern Recognition (CVPR), June 2015.

Tarek Elgamal, Maysam Yabandeh, Ashraf Aboulnaga, Waleed Mustafa, and Mohamed Hefeeda. sPCA: Scalable Principal Component Analysis for Big Data on Distributed Platforms. In Proceedings of the ACM International Conference on Management of Data (SIGMOD), June 2015.

Ye Jin, Xiaosong Ma, Qing Liu, Mingliang Liu, Jeremy Logan, Norbert Podhorszki, Jong Youl Choi, and Scott Klasky. Combining Phase Identification and Statistical Modeling for Automated Parallel Benchmark Generation. In Proceedings of the ACM International Conference on Measurement and Modeling of Computer Systems (SIGMETRICS), June 2015.

Diogo Behrens, Marco Serafini, Sergei Arnautov, Flavio Junqueira, and Christof Fetzer. Scalable Error Isolation for Distributed Systems. In Proceedings of USENIX International Symposium on Networked Systems Design and Implementation (NSDI), May 2015.

Majed Sahli, Essam Mansour, Tariq Alturkestani, and Panos Kalnis. Automatic Tuning of Bag-of-Tasks Applications.In Proceedings of the IEEE International Conference on Data Engineering (ICDE), April 2015.

Mohammed Shatnawi and Mohamed Hefeeda. Real-time Failure Prediction in Online Services. In Proceedings of the IEEE International Conference on Computer Communications (INFOCOM), April 2015.

Muhammad Anis Uddin Nasir, Gianmarco De Francisci Morales, David García-Soriano, Nicolas Kourtellis, and Marco Serafini. The Power of Both Choices: Practical Load Balancing for Distributed Stream Processing Engines. In Proceedings of the IEEE International Conference on Data Engineering (ICDE), April 2015.

Mohamed Hefeeda, Tarek Elgamal, Kiana Calagari, and Ahmed Abdelsadek. Cloud-based Multimedia Content Protection System. IEEE Transactions on Multimedia (TMM), March 2015.

Yazan Boshmaf, Dionysios Logothetis, Georgos Siganos, Jorge Lería, Jose Lorenzo, Matei Ripeanu, and Konstantin Beznosov. Íntegro: Leveraging victim prediction for robust fake account detection in OSNs. In Proceedings of the International Symposium on Network and Distributed System Security (NDSS), February 2015.

2014


Jidong Zhai, Jianfei Hu, Xiongchao Tang, Xiaosong Ma, and Wenguang Chen. Cypress: combining static and dynamic analysis for top-down communication trace compression. In Proceedings of the IEEE International Conference on High Performance Computing, Networking, Storage, and Analysis (SC), November 2014.

Kiana Calagari, Krzysztof Templin, Tarek Elgamal, Khaled Diab, Piotr Didyk, Wojciech Matusik, and Mohamed Hefeeda. Anahita: A System for 3D Video Streaming with Depth Customization. In Proceedings of the ACM International Conference on Multimedia (MM), November 2014.

Majed Sahli, Essam Mansour, and Panos Kalnis. ACME: A scalable parallel system for extracting frequent patterns from a very long sequence. Very Large Data Bases Journal (VLDBJ), October 2014.

Marco Serafini, Essam Mansour, Ashraf Aboulnaga, Kenneth Salem, Taha Rafiq, and Umar Farooq Minhas. Accordion: Elastic scalability for database systems supporting distributed transactions. In Proceedings of the Very Large Data Bases Endowment (PVLDB), September 2014.

Rebecca Taft, Essam Mansour, Marco Serafini, Jennie Duggan, Aaron J. ElmoreΑ, Ashraf Aboulnaga, Andrew Pavlo, and Michael Stonebraker. E-Store: Fine-Grained Elastic Partitioning for Distributed Transaction Processing Systems. In Proceedings of the Very Large Data Bases Endowment (PVLDB), September 2014.

Laszlo Gyarmati, Haewoon Kwak, and Pablo Rodriguez. Searching for a Unique Style in Soccer. In Proceedings of the ACM International Conference on Knowledge Discovery and Data Mining (KDD) workshop on Large-Scale Sports Analytics, August 2014.

Krzysztof Templin, Piotr Didyk, Karol Myszkowski, Mohamed Hefeeda, Hans-Peter Seidel, and Wojciech Matusik. Modeling and optimizing eye vergence response to stereoscopic cuts. ACM Transactions on Graphics (TOG), July 2014.

Fei Meng, Li Zhou, Xiaosong Ma, Sandeep Uttamchandani, and Deng Liu. vCacheShare: automated server flash cache space management in a virtualization environment. In Proceedings of USENIX Annual Technical Conference (ATC), June 2014.

Jingen Xiang, Huangdong Meng, and Ashraf Aboulnaga. Scalable matrix inversion using MapReduce. In Proceedings of the ACM International Symposium on High-Performance Parallel and Distributed Computing (HPDC), June 2014.

Xiaosong Ma. On the feasibility of data loss insurance for personal cloud storage. In Proceedings of USENIX Conference on Hot Topics in Storage and File Systems (HotStorage), June 2014.

Ahmed Abdelsadek and Mohamed Hefeeda. DIMO: distributed index for matching multimedia objects using MapReduce. In Proceedings of the ACM International Conference on Multimedia Systems (MMSys), March 2014.

Khaled Diab, Tarek Elgamal, Kiana Calagari, and Mohamed Hefeeda. Storage optimization for 3D streaming systems. In Proceedings of the ACM International Conference on Multimedia Systems (MMSys), March 2014.

Mostafa Ead, Herodotos Herodotou, Ashraf Aboulnaga, and Shivnath Babu. PStorM: Profile Storage and Matching for Feedback-Based Tuning of MapReduce Jobs. In Proceedings of the International Conference on Extending Database Technology (EDBT), March 2014.

Yang Liu, Raghul Gunasekaran, Xiaosong Ma, and Sudharshan Vazhkudai. Automatic identification of application I/O signatures from noisy server-side traces. In Proceedings of USENIX Conference on File and Storage Technologies (FAST), February 2014.

2013

Majed Sahli, Essam Mansour and Panos Kalnis. Parallel Motif Extraction from Very Long Sequences. In Proceedings of the ACM International Conference on Information and Knowledge Management (CIKM), November 2013.

Flavio Junqueira and Marco Serafini. On Barriers and the Gap between Active and Passive Replication. In Proceedings of the International Symposium on Distributed Computing (DISC), October 2013.

Aristides Gionis, Flavio Junqueira, Vincent Leroy, Marco Serafini, and Ingmar Weber. Piggybacking on social networks. In Proceedings of the International Conference on Very Large Data Bases (VLDB), August 2013.

Essam Mansour, Ahmed El-Roby, Aron Ahmadia, Panos Kalnis, and Ashraf Aboulnaga. Cloud Repeat Analytics for Very Long Sequences. In Proceedings of the Very Large Data Bases Endowment (PVLDB), August 2013.

Rui Liu, Ashraf Aboulnaga, and Kenneth Salem. DAX: A Widely Distributed Multi-tenant Storage Service for DBMS Hosting. In Proceedings of the Very Large Data Bases Endowment (PVLDB), August 2013.

2012

Fei Gao, Wael Abd-Almageed, and Mohamed Hefeeda. Distributed Approximate Spectral Clustering for Large-Scale Datasets. In Proceedings of the ACM International Conference on High-Performance Parallel and Distributed Computing (HPDC), June 2012.

Miguel Correia, Daniel Gómez Ferro, Flavio Paiva Junqueira, and Marco Serafini. Practical Hardening of Crash-Tolerant Systems. In Proceedings of USENIX Annual Technical Conference (ATC), June 2012.

Naghmeh Khodabakshi and Mohamed Hefeeda. Copy Detection of 3D Videos. In Proceedings of the ACM International Conference on Multimedia Systems (MMSys), February 2012.

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

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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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

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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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