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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Improving disaster response efforts through data

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Extreme weather events put the most vulnerable communities at high risk. How can data analytics strengthen early warning systems and and support relief efforts for communities in need? The size and ...

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Entrevista con Luis Fernández Luque, cofundador de Salumedia e investigador del Qatar Computing Research Institute

08/01/2018

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Events

Past Events

2018

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QCRI's Creative Space to hold free app inventor workshop

Download ICS File 01/02/2018 ,

QCRI is to offer an introduction to mobile app development workshop for boys and girls aged 13-16. Students will learn the basics of mobile app development using the App Inventor platform. The ...

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2017

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QCRI's Creative Space launches free after-school computing courses for teenagers

Download ICS File 01/11/2017  - 20/12/2017 ,

We offer an App Inventor Course in Arabic for students aged 13-15 and an Arduino Programming Course in English for students aged 14-18. Courses are free. Please register quickly as places are limited.

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QCRI conducts first summer computing camps for kids

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

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

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News

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QCRI scientists develop algorithm to detect brain cancer markers

30/01/2018

Scientists from the Qatar Computing Research Institute have developed a new algorithm that can identify driver genes of several types of gliomas, the most common and aggressive forms of primary brain...

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Research by QCRI's Jim Jansen among most influential of decade: top journals

13/12/2017

QCRI Social Computing group's principal scientist achieves rare honor.

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#Halal now a lifestyle definition on Instagram

29/11/2017

The word “halal” is no longer being defined only in a religious context but is becoming a lifestyle term associated with health and fashion around the globe, a new study of Instagram posts led by ...

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