Publications

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Recent Publications

Citations: RIS BibTeX


2017

[119] An Early Warning System for Suspicious Accounts, Hassan Halawa, Matei Ripeanu, Konstantin Beznosov, Baris Coskun, Meizhu Liu, 8th ACM Workshop on Artificial Intelligence and Security (AI-Sec), Dallas, TX, November 2017 pdf slides
[118] Towards Practical and Robust Labeled Pattern Matching in Trillion-Edge Graphs, Tahsin Reza, Christine Klymko, Geoffrey Sanders, Roger Pearce, Matei Ripeanu, IEEE Cluster, Honolulu, HI September 2017. (acceptance rate: 47/216 = 21.8% -- Nominated for Best Paper Award). pdf slides
[117] Accelerating Persistent Scatterer Pixel Selection for InSAR Processing Tahsin Reza', Jose Manuel Delgado Blasco, Aaron Zimmer, Parwant Ghuman, Tanuj Aasawat, Matei Ripeanu, IEEE Transactions on Parallel and Distributed Systems (TPDS), accepted May 2017. pdf
[116] Jetson Platform Characterization, Hassan Halawa, Hazem Abdelhafez, Andrew Boktor, Matei Ripeanu, 23rd International European Conference on Parallel Computing (EuroPar'17), Santiago de Compostella, Spain, September 2017. (acceptance rate: 25%) pdf slides
[115] LetGo: A Lightweight Continuous Framework for HPC Applications under Failures, Bo Fang, Qiang Guan, Nathan Debardeleben, Karthik Pattabiraman, Matei Ripeanu, 26th IEEE/ACM International Symposium on High Performance Distributed Computing (HPDC), June 2017, Washington, DC (acceptance rate: 19/102 = 18.9%) pdf slides
[114] A Cross-Layer Optimized Storage System for Workflow Applications, Samer Al-Kiswany, Lauro B. Costa, Hao Yang, Emalayan Vairavanathan, Matei Ripeanu, Special Issue on Workflows for Data-Driven Research, Journal Future Generation Computer Systems, accepted March 2017, in press pdf link
[113] Estimating Vulnerability Scores to Augment Enterprise Security Systems, Hassan Halawa, Matei Ripeanu, Konstantin Beznosov, Alex Loffler, poster, USENIX Security Conference, Vancouver, Canada, August 2017 pdf

2016

[112] Graph Colouring as a Challenge Problem for Dynamic Graph Processing on Distributed Systems, Scott Sallinen, Keita Iwabuchi, Suraj Poudel, Roger Pearce, Matei Ripeanu, IEEE/ACM International Conference for High Performance Computing, Networking, Storage, and Analysis (SC 2016), Salt Lake City, UT November 2016 (acceptance rate: 82/446=18.3%) pdf slides
[111] Harvesting the Low-hanging Fruits: Defending Against Automated Large-Scale Cyber Intrusions by Focusing on the Vulnerable Population, Hassan Halawa, Konstantin Beznosov, Yazan Boshmaf, Baris Coskun, Matei Ripeanu and Elizeu Santos-Neto, New Security Paradigms Workshop (NSWP 2016), September 2016 Denver, CO. pdf slides
[110] A Software-Defined Storage for Workflow Applications, Samer Al-Kiswany, Matei Ripeanu, IEEE Cluster Conference (Cluster’16), Taipei, Taiwan, September 2016 pdf slides
[109] Integro: Leveraging Victim Prediction for Robust Fake Account Detection in Large Scale OSNs, Yazan Boshmaf, Dionysios Logothetis, Georgos Siganos, Jorge Lería, Jose Lorenzo, Matei Ripeanua, Konstantin Beznosov, Hassan Halawa, Elsevier Computers and Security Journal, Volume 61, August 2016, pp142–168 pdf camera ready project
[108] A Systematic Methodology for Evaluating the Error Resilience of GPGPU Applications, Bo Fang, Karthik Pattabiraman, Matei Ripeanu, Gurumurthi Sudhanva, IEEE Transactions on Parallel and Distributed Systems (TPDS), vol. 27(12), pp.3397-3411. December 2016. pdf camera ready
[107] ePVF: An Enhanced Program Vulnerability Factor Methodology for Cross-layer Resilience Analysis, Bo Fang, Qining Lu, Karthik Pattabiraman, Matei Ripeanu, Sudhanva Gurumurthi, IEEE/IFIP International Conference on Dependable Systems and Networks (DSN’16), June 2016 (acceptance rate: 58/253=22%) pdf slides
[106] Finding Resilience-Friendly Compiler Optimizations using Meta-Heuristic Search Techniques, Nithya Narayanamurthy, Karthik Pattabiraman, Matei Ripeanu, 12th European Dependable Computing Conference, Gothenburg, Sweden, September 2016 (acceptance rate 39% -- Best Paper Award) pdf slides
[105] SDC is in the Eye of the Beholder: A Survey and Preliminary Study, Bo Fang, Panruo Wu, Qiang Guan, Nathan Debardeleben, Laura Monroe, Sean Blanchard, Zhizong Chen, Karthik Pattabiraman, Matei Ripeanu, 3rd IEEE International Workshop on Reliability and Security Data Analysis (RSDA 2016), June 2016 pdf slides
[104] High Performance Parallel Stochastic Gradient Descent in Shared Memory, Scott Sallinen, Nadathur Satish, Mikhail Smelyanskiy, Samantika Sury, Christopher Ré, IEEE International Parallel & Distributed Processing Symposium (IPDPS), May 2016 (acceptance rate: 22%) pdf slides
[103] Support for Provisioning and Configuration Decisions for Data Intensive Workflows, Lauro Beltrão Costa, Hao Yang, Samer Al-Kiswany, Matei Ripeanu, IEEE Transactions on Parallel and Distributed Systems (TPDS), vol. 27(9), September 2016 pp. 2725-2739. pdf ieee

2015

[102] Thwarting Fake OSN Accounts by Predicting their Victims, Yazan Boshmaf, Matei Ripeanu, Konstantin Beznosov, Elizeu Santos-Neto, 8th ACM Workshop on Artificial Intelligence and Security (AI-Sec), Denver, CO, November 2015. pdf slides
[101] Active Data: A Programming Model to Manage Data Life Cycle Across Heterogeneous Systems and Infrastructures, Anthony Simonet, Gilles Fedak, Matei Ripeanu, Future Generation Computer Systems, Volume 53, December 2015, pp.25–42, website pdf
[100] Accelerating Persistent Scatterer Pixel Selection for InSAR Processing, Tahsin Reza, Aaron Zimmer, Parwant Ghuman, Tanuj kr Aasawat, Matei Ripeanu, 26th IEEE International Conference on Application-specific Systems, Architectures and Processors (ASAP) July 2015, Toronto (acceptance rate: 21/85=24.7%) pdf slides. (extended by a poster at SC'15: Efficient GPU Techniques for Processing Temporally Correlated Satellite Image Data, T. Reza, D. Mukherjee, T. Aasawat, M. Ripeanu, poster)
[99] Integro: Leveraging Victim Prediction for Robust Fake Account Detection in OSNs, Yazan Boshmaf, Dionysions Logothetis, Georgios Siganos, Jorge Leria, Jose Lorenzo, Matei Ripeanu, Konstantin Beznosov, 2015 Network and Distributed System Security (NDSS) Symposium, February 8-11, 2015, San Diego, CA (acceptance rate: 50/305=16.3%) pdf slides
[98] The Case for Workflow-Aware Storage: An Opportunity Study, Lauro Beltrão Costa, Hao Yang, Emalayan Vairavanathan, Abmar Barros, Kethan Maheshwari, Gilles Fedak, Daniel Katz, Michael Wilde, Matei Ripeanu, Samer Al-Kiswany, Journal of Grid Computing, Springer, 13(1): 95-113 (2015) pdf
[97] Where are the 'key' words? Optimizing multimedia textual attributes to improve viewership, Tatiana Pontes, Elizeu Santos-Neto, Jussara M. Almeida, Matei Ripeanu, First Monday 20(3) (2015) pdf
[96] Accelerating Direction-Optimized Breadth First Search on Hybrid Architectures, Scott Sallinen, Abdullah Gharaibeh, Matei Ripeanu, 13th International Workshop on Algorithms, Models and Tools for Parallel Computing on Heterogeneous Platforms (HeteroPar’15), August 2015 (acceptance rate: 31%) pdf slides
[95] Assessing the Value of Peer-Produced Information for Exploratory Search, Elizeu Santos-Neto, Flavio Figueiredo, Nigini Oliveira, Nazareno Andrade, Jussara Almeida, Matei Ripeanu, TechnicalReport arXiv:1510.03004

2014

[94] Cheating in Online Games: A Social Network Perspective, Jeremy Blackburn, Nicolas Kourtellis, Matei Ripeanu, John Skvoretz, Adriana Iamnitchi, ACM Transactions on Internet Technologies 13(3), pp1-25, (2014). pdf
[93] Efficient Large-Scale Graph Processing on Hybrid CPU and GPU Systems, Abdullah Gharaibeh, Tahsin Reza, Elizeu Santos-Neto, Lauro Beltrão Costa, Scott Sallinen, Matei Ripeanu. Submitted to ACM Transactions on Parallel Computing (ToPC) on December 2013. Revised December 2014.TechnicalReport
[92] Reuse, Temporal Dynamics, Interest Sharing, and Collaboration in Social Tagging Systems, Elizeu Santos-Neto, David Condon, Nazareno Andrade, Adriana Iamnitchi, Matei Ripeanu, First Monday Magazine, 19(7) (2014) link TechnicalReport
[91] DedupT: Deduplication for Tape Systems, Abdullah Gharaibeh, Cornel Constantinescu, Maohua Lu, Ramani Routray, Anurag Sharma, Prasenjit Sarkar, David Pease, Matei Ripeanu, 30th International Conference on Massive Storage Systems and Technology (MSST 2014), Santa Clara, California, USA. June 2-6, 2014. IBM Technical Report RJ 10507
[90] Supporting Storage Configuration for I/O Intensive Workflows, Lauro Beltrão Costa, Samer Al-Kiswany, Hao Yang, Matei Ripeanu, ICS'14 2014 ACM International Conference on Supercomputing, June 2014, Muenchen, Germany minor_revision DOI slides
[89] GPU-Qin: A Methodology for Evaluating the Error Resilience of GPGPU Applications, Bo Fang, Karthik Pattabiraman, Matei Ripeanu, Sudhanva Gurumurthi, IEEE International Symposium on Performance Analysis of Systems and Software (ISPASS'14), March 23-25, 2014. Monterey, CA. pdf (superseeded by TPDS paper) slides
[88] On the Choice of Data Sources to Improve Content Discoverability via Textual Feature Optimization, Elizeu Santos Neto, Tatiana Pontes, Jussara Almeida, Matei Ripeanu, ACM Hypertext Conference (HT'2014), Santiago de Chile, Chile, September 1-4, 2014. pdf slides
[87] Energy Prediction for I/O Intensive Workflow Applications, Hao Yang, Lauro Beltrão Costa, Matei Ripeanu, 7th ACM Workshop on Many-Task Computing on Grids and Supercomputers, collocated with SC’14, New Orleans, LA, November 2014 pdf slides
[86] Experience with Using a Performance Predictor During Development: a Distributed Storage System Tale, Lauro Beltrão Costa, João Brunet, Lile Hattori, Matei Ripeanu, 2nd International Workshop on Software Engineering for High Performance Computing in Computational Science and Engineering, collocated with SC’14, Tech.Report slides
[85] GPGPUs: How to Combine High Computational Power with High Reliability, L. Bautista Gomez, F. Cappello, L. Carro, N. DeBardeleben, B. Fang, S. Gurumurthi, K. Pattabiraman, P. Rech, M. Sonza Reorda, DATE'14, pdf
[84] Evaluating the Error Resilience of Parallel Programs, Bo Fang, Karthik Pattabiraman, Sudhanva Gurumurthi, Matei Ripeanu, Workshop on Fault Tolerance for HPC at eXtreme Scale (FTXS), collocated with DSN 2014, Atlanta, GA, June 2014. pdf slides
[83] Evaluating Storage Systems for Scientific Data in the Cloud, Ketan Maheshwari, Justin M. Wozniak, Hao Yang, Daniel S. Katz, Matei Ripeanu, Victor Zavala, Michael Wilde, 5th Workshop on Scientific Cloud Computing (ScienceCloud), collocated with HPDC 2014, Vancouver, Canada June 2014. (Best Paper Award) pdf
[82] Towards Boosting Video Popularity via Tag Selection, Elizeu Santos Neto, Tatiana Pontes, Jussara Almeida, Matei Ripeanu, ACM Workshop on Social Multimedia and Storytelling (SoMuS), April 2014, Glasgow pdf slides
[81] Exploring Hybrid Hardware and Data Placement Strategies for the Graph 500 Challenge, Scott Sallinen, Daniel Borges, Abdullah Gharaibeh, Matei Ripeanu, poster at SC’14, New Orleans, LA, November 2014 pdf poster
[80] Parallel Clustering Coefficient Computation using GPUs, Tahsin Reza, Tanuj Kr Aasawat, Matei Ripeanu, poster at SC’14, New Orleans, LA, November 2014 pdf poster
[79] Systems for Near Real-Time Analysis of Large-Scale Dynamic Graphs, Luis M. Vaquero, Felix Cuadrado, Matei Ripeanu, Technical Report arXiv:1410.1903, October 2014.

2013

[78] Greening the Compute Cloud’s Pricing Plans, Rini Kaushik, Prasenjit Sarkar, Abdullah Gharaibeh, Workshop on Power-Aware Computing and Systems (HotPower 2013), co-located with SOSP, November 2013, Pittsburgh, Pennsylvania.
[77] Active Data: A Data-Centric Approach to Data Life-Cycle Management, Anthony Simonet, Gilles Fedak, Matei Ripeanu, Samer Al-Kiswany, 8th Parallel Data Storage Workshop (PDSW) collocated with SC’13, November 2013, Denver. pdf slides INRIA Technical Report N° RR-8062 (2012)
[76] Predicting Intermediate Storage Performance for Workflow Applications, Lauro Beltrão Costa, Samer Al-Kiswany, Abmar Barros, Hao Yang, Matei Ripeanu, 8th Parallel Data Storage Workshop (PDSW) collocated with SC’13, November 2013, Denver. paper slides Technical Report (June'13)
[75] The Energy Case for Graph Processing on Hybrid CPU and GPU Systems, Abdullah Gharaibeh, Elizeu Santos-Neto, Lauro Beltrão Costa, Matei Ripeanu. Workshop on Irregular Applications: Architectures & Algorithms (IA3) in conjunction with SC13, Denver, Colorado USA, November 2013 pdf slides GTC'14 talk
[74] Graph-based Sybil Detection in Social and Information Systems, Yazan Boshmaf, Konstantin Beznosov, Matei Ripeanu, 2013 IEEE/ACM International Conference on Advances in Social Networks Analysis and Mining ASONAM, Niagara Falls, Canada, August 2013. (acceptance rate: 13%, Best Paper Award) pdf slides Technical Report
[73] On Graphs, GPUs, and Blind Dating: A Workload to Processor Matchmaking Quest, Abdullah Gharaibeh, Lauro Beltrão Costa, Elizeu Santos-Neto, Matei Ripeanu, IEEE International Parallel & Distributed Processing Systems (IPDPS), Boston, MA, May 2013 (acceptance rate: 21%) pdf slides
[72] Cost Exploration of Data Sharings in the Cloud, Samer Al-Kiswany, Hakan Hacigumus, Ziyang Liu, Jagan Sankaranarayanan, International Conference on Extending Database Technology (EDBT), Genoa, Italy, March 2013. (acceptance rate: 20%) pdf
[71] Greening the Compute Cloud’s Pricing Plans, Rini Kaushik, Prasenjit Sarkar, Abdullah Gharaibeh, Workshop on Power-Aware Computing and Systems (HotPower 2013), co-located with SOSP, November 2013, Pittsburgh, PA pdf
[70] Smart Parking by the COIN, Xiao Chen, Elizeu Santos-Neto, Matei Ripeanu, 3rd ACM Symposium on Development and Analysis of Intelligent Vehicular Networks and Applications (DIVANet 2013) held in conjunction with 16th ACM/IEEE International Conference on Modeling, Analysis, and Simulation of Wireless and Mobile Systems (MSWiM 2013), November 6-8, Barcelona.
[69] The Case for Cross-Layer Optimizations in Storage: A Workflow-Optimized Storage System, Samer Al-Kiswany, Emalayan Vairavanathan, Lauro Beltrão Costa, Hao Yang, Matei Ripeanu, Technical Report pdf at arXiv (Jan'13)
[68] Design and Analysis of a Social Botnet, Yazan Boshmaf, Ildar Muslukhov, Konstantin Beznosov, Matei Ripeanu, Elsevier Computer Networks, Special Issue on Botnet Activity: Analysis, Detection and Shutdown, vol 57(2), February, 2013.pdf

2012

[67] Towards Building Error Resilient GPGPU Applications, Bo Fang, Jiesheng Wei, Karthik Pattabiraman, Matei Ripeanu, to appear in the 3rd Workshop on Resilient Architecture (WRA) in conjunction with MICRO 2012, Vancouver Canada. pdf slides. Also related: Evaluating the Error Resilience of GPGPU Applications, Bo Fang, Jiesheng Wei, Karthik Pattabiraman, Matei Ripeanu, poster at IEEE/ACM International Conference on High Performance Computing, Networking, Storage and Analysis (SC12), Salt Lake City, UT November 2012. pdf poster
[66] A Yoke of Oxen and a Thousand Chickens for Heavy Lifting Graph Processing, Abdullah Gharaibeh, Lauro Beltrão Costa, Elizeu Santos-Neto, Matei Ripeanu, IEEE/ACM International Conference on Parallel Architectures and Compilation Techniques (PACT 2012). Minneapolis, MN September 2012. (acceptance rate 19%) pdf slides
[65] Crowd-based Smart Parking: A Case Study for Mobile Crowdsourcing, Xiao Chen, Elizeu Santos-Neto, Matei Ripeanu, 5th International Conference on MOBILe Wireless MiddleWARE, Operating Systems, and Applications(MOBILWARE 2012), Berlin, Germany. (An earlier version is Crowdsourcing for On-street Smart Parking, ACM International Symposium on Design and Analysis of Intelligent Vehicular Networks and Applications (DIVANet’12), and another one in the Proceedings of the 2nd ACM International Symposium on Design and Analysis of Intelligent Vehicular Networks and Applications, Cyprus October 2012) pdf poster slides
[64] CloudDT: Efficient Tape Resource Management using Deduplication in Cloud Backup and Archival Services, Abdullah Gharaibeh, Cornel Constantinescu, Maohua Lu, Anurag Sharma, Ramani Routray, Prasenjit Sarkar, Matei Ripeanu, David Pease, 8th International Conference on Network and Service Management (CNSM 2012), October 2012, Las Vegas, NV. pdf IBM Technical Report RJ 10507
[63] Aiding Malware Detection Using Large-Scale Machine Learning, Yazan Boshmaf, Matei Ripeanu, Konstantin Beznosov, Kyle Zeeuwen, David Cornell, Dmitry Samosseiko, poster at USENIX Security Symposium, Bellevue, WA, August 2012 (abstract pdf, poster pdf)
[62] Avoiding the Disk Bottleneck in Deduplicated VM Transfers, Jacob Slack, Samer Al-Kiswany, Matei Ripeanu, High Performance Computing Symposium (HPCS), May 2012. pdf
[61] ExM: High Level Dataflow Programming for Extreme-Scale Systems, Timothy G. Armstrong, Justin M. Wozniak, Michael Wilde, Ketan Maheshwari, Daniel S. Katz, Matei Ripeanu, Ewing L. Lusk, Ian T. Foster, 4th USENIX Workshop on Hot Topics in Parallelism (HotPar '12), June 7-8, Berkeley, CA. pdf
[60] Key Challenges in Defending against Malicious Socialbots, Yazan Boshmaf, Ildar Muslukhov, Konstantin Beznosov, Matei Ripeanu, 5th USENIX Workshop on Large-Scale Exploits and Emergent Threats (LEET'12), collocated with USENIX NSDI’12, San Jose, CA, April 2012 (acceptance rate: 18%) pdf slides video
[59] The Socialbot Network: Are Social Botnets Possible?, Yazan Boshmaf, Ildar Muslukov, Konstantin Beznosov, Matei Ripeanu, ACM Interactions Magazine, March-April 2012, pp45-46 pdf
[58] GPUs as Storage System Accelerators, Samer Al-Kiswany, Abdullah Gharaibeh, Matei Ripeanu, IEEE Transactions on Parallel and Distributed Systems (TPDS), vol.24, no. 8, pp. 1556-1566, Aug. 2013, doi:10.1109/TPDS.2012.239 link arXiv:1202.3669
[57] Branded with a Scarlet “C”: Cheaters in a Gaming Social Network, Jeremy Blackburn, Ramanuja Simha, Nicolas Kourtellis, Xiang Zuo, Matei Ripeanu, John Skvoretz, Adriana Iamnitchi, World Wide Web Conference (WWW’12), Lyon, France, April 2012. (acceptance rate: 80/655 = 12.2%) pdf slides
[56] A Workflow-Aware Storage System: An Opportunity Study, Emalayan Vairavanathan, Samer Al-Kiswany, Lauro Beltrão Costa, Zhao Zhang, Daniel Katz, Michael Wilde, Matei Ripeanu, 12th International Symposium on Clusters, Cloud, and Grid Computing (CCGrid’12), Ottawa, Canada, May 2012 (acceptance rate: 27%) pdf slides
[55] Characterizing and Harnessing Peer-Production of Information in Social Tagging Systems, Elizeu Santos-Neto, In the Proceedings of the 5th ACM International Conference on Web Search and Data Mining – Doctoral Consortium (WSDM 2012 Doctoral Consortium), Seattle, WA, USA, February 2012 pdf


2011

[54] AME: An Anyscale Many-Task Computing Engine, Zhao Zhang, Daniel Katz, Matei Ripeanu, Mike Wilde, Ian Foster, 6th Workshop on Workflows in Support of Large-Scale Science (collocated with SC 2011), Seattle, November 2011 pdf slides
[53] The Socialbot Network: When Bots Socialize for Fame and Money, Yazan Boshmaf, Ildar Muslukhov, Konstantin Beznosov, Matei Ripeanu, Annual Computer Security Applications Conference (ACSAC), December 2011. pdf (acceptance rate 18.5%, Best Paper Award) (preliminary version presented as a poster at USENIX Security Symposium, August 2011 pdf). Project webpage
[52] Scoop: Decentralized and Opportunistic Multicasting of Information Streams, Dinan Gunawardena, Thomas Karagiannis, Alexandre Proutiere, Elizeu Santos-Neto, Milan Vojnovic, The 17th Annual International Conference on Mobile Computing and Networking (Mobicom), Las Vegas, NV, USA, September 2011. (acceptance rate 13%) pdf
[51] Assessing Data Deduplication Trade-offs from an Energy Perspective, Lauro Beltrão Costa, Samer Al-Kiswany, Raquel Vigolvino Lopes, Matei Ripeanu, Workshop on Energy Consumption and Reliability of Storage Systems (ERSS), Orlando, Florida, July 2011. pdf slides
[50] VMFlock: VM Co-Migration for the Cloud, Samer Al-Kiswany, Dinesh Subhraveti, Prasenjit Sarkar, Matei Ripeanu, IEEE/ACM International Symposium on High Performance Distributed Computing (HPDC 2011), San Jose, CA, June 2011. (acceptance rate 13%, Best Presentation Award) pdf slides
[49] Strategies for prioritization of malicious URL re-evaluation, Onur Komili, Kyle Zeeuwen, Matei Ripeanu, Konstantin Beznosov, Virus Buletin Conference, Barcelona, Spain, September 2011. pdf slides
[48] Improving Malicious URL Re-Evaluation Scheduling through an Empirical Study of Malware Download Centers, Kyle Zeeuwen, Matei Ripeanu, Konstantin Beznosov, Joint WICOW/AIRWeb Workshop on Web Quality (WebQuality 2011), collocated with 20th International World Wide Web Conference, Bangalore, India, April 2011. pdf slides
[47] Failure Avoidance through Fault Prediction Based on Synthetic Transactions, Mohammad Shatnawi, Matei Ripeanu, 11th International Symposium on Clusters, Cloud, and Grid Computing (CCGrid’11), May 2011. (acceptance rate 29%) pdfslides
[46] Accelerating Sequence Alignment on Hybrid Architectures, Abdullah Gharaibeh, Matei Ripeanu, Scientific Computing Magazine, January/February 2011. pdf
[45] ThriftStore: Finessing Reliability Tradeoffs in Replicated Storage Systems, Abdullah Gharaibeh, Samer Al-Kiswany, Matei Ripeanu, IEEE Transactions on Parallel and Distributed Systems (TPDS), vol 22(6), pp.910-923, June 2011. pdf
[44] Many-Task Computing Tools for Multiscale Modeling, Daniel S. Katz, Matei Ripeanu, Michael Wilde, Technical report arXiv:1110.0404v1


2010

[43] The Small World of File Sharing, Adriana Iamnitchi, Matei Ripeanu, Elizeu Santos-Neto, Ian Foster, IEEE Transactions on Parallel and Distributed Systems (TPDS), 28 Sept. 2010. IEEE computer Society Digital Library. preprint pdf
[42] Towards Automating the Configuration of a Distributed Storage System, Lauro Beltrão Costa, Matei Ripeanu, 11th ACM/IEEE International Conference on Grid Computing (Grid 2010), Brussels, Belgium. October 2010 (acceptance rate: 23%) pdf
[41] Size Matters: Space/Time Tradeoffs to Improve GPGPU Applications Performance, Abdullah Gharaibeh and Matei Ripeanu, IEEE/ACM International Conference for High Performance Computing, Networking, Storage, and Analysis (SC 2010), New Orleans, LA, November 2010. (acceptance rate 20%) pdf slides
[40] Assessing the Value of Contributions in Tagging Systems, Elizeu Santos-Neto, Flavio Figueiredo, Jussara Almeida, Miranda Mowbray, Marcos Gonçalves, Matei Ripeanu, Second IEEE International Conference on Social Computing (Symposium on Social Intelligence and Networking -- SIN'2010), Minneapolis, MN, August 2010 (acceptance rate 15%) doi pdf slides
[39] A GPU Accelerated Storage System, Abdullah Gharaibeh, Samer Al-Kiswany, Sathish Gopalakrishnan, Matei Ripeanu, IEEE/ACM International Symposium on High Performance Distributed Computing (HPDC 2010), Chicago, IL, June 2010. (acceptance rate 25%) pdf slides
[38] In Search of Simplicity: A Self-Organizing Group Communication Overlay, Matei Ripeanu, Adriana Iamnitchi, Ian Foster, Anne Rogers. Concurrency and Computation: Practice and Experience, John Wiley & Sons eds., vol. 22(7), pp. 788-815, May 2010. pdf
[37] Efficient and Spontaneous Privacy-Preserving Protocol for Secure Vehicular Communication, Hu Xiong, Konstantin Beznosov, Zhiguang Qin, Matei Ripeanu, IEEE International Conference on Communications (ICC), Cape Town, South Africa, May 2010. pdf NetSysLab-TR-2009-01 pdf slides
[36] CrystalGPU: Transparent and Efficient Utilization of GPU Power, Abdullah Gharaibeh, Samer Al-Kiswany, Matei Ripeanu, Technical Report, Networked Systems Lab, University of British Columbia, NetSysLab-TR-2010-01. pdf

2009

[35] Authorization Recycling in Hierarchical RBAC Systems, Qiang Wei, Konstantin Beznosov, Jason Crampton, Matei Ripeanu, ACM Transactions on Information and System Security (accepted) pdf
[34] GPU Support for Batch Oriented Workloads, Lauro Beltrão Costa, Samer Al-Kiswany, Matei Ripeanu, IEEE 28th International Performance Computing and Communications Conference (IPCCC’09), December 2009, Phoenix, AZ. pdf slidescode
[33] The Case for a Versatile Storage System, Samer Al-Kiswany, Abdullah Gharaibeh, Matei Ripeanu, SOSP Workshop on Hot Topics in Storage and File Systems (HotStorage’09), October 2009, Big Sky Resort Big Sky, MT. (acceptance rate 20%) pdf slides
[32] Individual and Social Behavior in Tagging Systems, Elizeu Santos-Neto, David Condon, Nazareno Andrade, Adriana Iamnitchi, Matei Ripeanu, proceedings of The 20th ACM Conference on Hypertext and Hypermedia (HT'09), pp183-192, Torino, Italy, July 2009. (acceptance rate 32%) pdf doi slides
[31] Exploring Data Reliability Tradeoffs in Replicated Storage Systems, Abdullah Gharaibeh, Matei Ripeanu, proceedings of The ACM/IEEE International Symposium on High Performance Distributed Computing (HPDC'09), pp217-226, Munich, Germany, June 2009. (acceptance rate 29%) pdf slides
[30] Resource Demand and Supply in BitTorrent Content-Sharing Communities, Nazareno Andrade, Elizeu Santos-Neto, Francisco Brasileiro, Matei Ripeanu, Computer Networks, Volume 53, Issue 4, 18 March 2009 pdf doi
[29] On GPU's Viability as a Middleware Accelerator, Samer Al-Kiswany, Abdullah Gharaibeh, Elizeu Santos-Neto and Matei Ripeanu, Cluster Computing Journal, vol. 12(2), pp.123-140. June 2009, Springer Verlag. pdf
[28] Beyond Music Sharing: An Evaluation of Peer-to-Peer Data Dissemination Techniques in Large Scientific Collaborations, Samer Al-Kiswany, Matei Ripeanu, Adriana Iamnitchi and Sudharshan Vazhkudai, Journal of Grid Computing, Springer, Volume 7, Issue 1, Page 91-114, March 2009. pdf
[27] Cooperative Secondary Authorization Recycling, Qiang Wei, Matei Ripeanu, Konstantin Beznosov, IEEE Transactions on Parallel and Distributed Systems (TPDS), vol.20, (3), pp275-288, February 2009. pdf
[26] The Globus Replica Location Service: Design and Experience, Ann L. Chervenak, Robert Schuler, Matei Ripeanu, Muhammad Ali Amer, Ian Foster, Shishir Bharati, Adriana Iamnitchi, Carl Kesselman, IEEE Transactions on Parallel and Distributed Systems (TPDS), vol. 20(9), pp.1260-1272 September 2009. pdf

2008

[25] Authorization Using the Publish-Subscribe Model, Qiang Wei, Matei Ripeanu, and Konstantin Beznosov; 6th IEEE International Symposium on Parallel and Distributed Processing and Applications (ISPA), Sydney, Australia, December 2008. (acceptance rate 36%) pdf slides
[24] Configurable Security for Scavenged Storage Systems, Abdullah Gharaibeh, Samer Al-Kiswany, Matei Ripeanu, 4th International Workshop on Storage Security and Survivability (StorageSS 2008), Alexandria, Virginia, October 2008. pdf slides
[23] Scalable Resource Annotation in Peer-to-Peer Grids, Nazareno Andrade, Elizeu Santos-Neto, Francisco Brasileiro, 8th IEEE International Conference on Peer-to-Peer Computing, Aachen, Germany, September 2008. (acceptance rate 18%) pdf slides
[22] StoreGPU: Exploiting Graphics Processing Units to Accelerate Distributed Storage Systems, Samer Al-Kiswany, Abdullah Gharaibeh, Elizeu Santos-Neto, George Yuan, Matei Ripeanu, IEEE International Symposium on High Performance Distributed Computing (HPDC 2008), Boston, MA, June 2008. (acceptance rate 17%) pdf TechnicalReport slides
[21] Enabling Cross-Layer Optimizations in Storage Systems with Custom Metadata, Elizeu Santos-Neto, Samer Al-Kiswany, Nazareno Andrade, Sathish Gopalakrishnan, Matei Ripeanu, IEEE International Symposium on High Performance Distributed Computing (HPDC 2008) – Hot Topics track, Boston, MA, June 2008. pdf slides
[20] stdchk: A Checkpoint Storage System for Desktop Grid Computing, Samer Al-Kiswany, Matei Ripeanu, Sudharshan Vazhkudai, Abdullah Gharaibeh, International Conference on Distributed Computing Systems (ICDCS'08), Beijing, China, June 17-20, 2008. (acceptance rate 16%)pdf slides media coverage
[19] Amazon S3 for Science Grids: A Viable Solution?, Mayur Palankar, Adriana Iamnitchi, Matei Ripeanu, Simson Garfinkel, International Workshop on Data-Aware Distributed Computing, Boston, Massachusetts, June 2008. pdf slides media coverage
[18] Authorization Recycling in RBAC Systems, Qiang Wei, Konstantin Beznosov, Jason Crampton, Matei Ripeanu, ACM Symposium on Access Control Models and Technologies (SACMAT'08), Estes Park, CO, June 11-13, 2008. (acceptance rate 22%)pdf slides
[17] Virtual Organizations, M. Ripeanu, M. P. Singh, and S. Vazhkudai, guest editors' introduction IEEE Internet Computing special issue on Virtual Organizations, March/April 2008. www
[16] Content Reuse and Interest Sharing in Tagging Communities, Elizeu Santos-Neto, Matei Ripeanu, and Adriana Iamnitchi. AAAI 2008 Spring Symposia - Social Information Processing. Stanford, CA, USA, March 2008. abstract pdf slides
[15] Performance Analysis of Transmissions Opportunity Limit in 802.11eWLANs, Fei Peng and Matei Ripeanu, 11th Communications and Networking Simulation Symposium, (CNS’08) Ottawa, Canada, April 14-17 2008. pdf
[14] Aggregate Memory as an Intermediate Checkpoint Storage Device, Samer Al-Kiswany, Matei Ripeanu, Sudharshan Vazhkudai, ORNL Technical Report 013521, November 2008. pdf

2007

[13] A High-Performance GridFTP Server at Desktop Cost, S. Al-Kiswany, A. Bahramshahry, H. Ghasemi, M. Ripeanu, S. Vazhkudai, poster, SC2007, Reno, NV, November 2007. pdf poster
[12] Are P2P Data-Dissemination Techniques Viable in Today's Data Intensive Scientific Collaborations?, Samer Al-Kiswany, Matei Ripeanu, Adriana Iamnitchi, and Sudarshan Vazhkudai, European Conference on Parallel Computing (EuroPar), Rennes, France, August 2007. (acceptance rate 26%) abstract pdf slides
[11] In Search of Simplicity: A Self-Organizing Group Communication Overlay, Matei Ripeanu, Adriana Iamnitchi, Ian Foster, Anne Rogers, First IEEE International Conference on Self-Adaptive and Self-Organizing Systems, Boston, MA, USA, July 9-11, 2007. pdfNetSysLab-TR-2007-02
[10] Cooperative Secondary Authorization Recycling, Qiang Wei, Matei Ripeanu, Konstantin Beznosov, 16th IEEE International Symposium on High Performance Distributed Computing (HPDC), Monterey Bay, CA, June 2007. (acceptance rate 20%) abstractpdf slides
[9] S4: A Simple Storage Service for Sciences, M. Ripeanu, A. Iamnitchi, 16th IEEE International Symposium on High Performance Distributed Computing (HPDC) - Hot Topics Track, Monterey Bay, CA, June 2007. pdf NetSysLab-TR-2007-03 slides media coverage
[8] Tracking User Attention in Collaborative Tagging Communities, E. Santos-Neto, M. Ripeanu, and A. Iamnitchi, Workshop on Contextualized Attention Metadata (CAMA'07), Vancouver, Canada, June 2007. abstractpdf slides
[7] Amazon S3 for Science Grids: a Viable Solution?, M. Palankar, A. Onibokun, A. Iamnitchi, M. Ripeanu, poster, 4th USENIX Symposium on Networked Systems Design & Implementation (NSDI'07), April 2007. pdf
[6] A Simulation Tool to Study Data Distribution Strategies in Large-scale Scientific Data Collaborations, S. Al-Kiswany and M. Ripeanu, 20th IEEE Canadian Conference on Electrical and Computer Engineering, Vancouver, BC, April 2007. abstractpdf
[5] vanDisk: An Exploration in Peer-To-Peer Collaborative Back-up Storage, A. Javidan, T. Angerilli, A. Bahramshahry, G. Lemieux, R. Lisagor, M. Ripeanu, 20th IEEE Canadian Conference on Electrical and Computer Engineering, Vancouver, BC, April 2007. abstractpdf

2006

[4] Gifting Technologies: A BitTorrent Case Study, Matei Ripeanu, Miranda Mowbray, Nazareno Andrade, and Aliandro Lima, First Monday, vol. 11(11), November 2006. abstracthtml
[3] A Multi-layer Framework to Connect Client Objectives and Resource Capabilities, Asit Dan, Catalin Dumitrescu, Kavitha Ranganathan, and Matei Ripeanu, International Journal of Cooperative Information Systems, vol. 15(3) p.1-23, September 2006. abstractpdf
[2] The Design, Performance, and Use of DiPerF: An automated DIstributed PERformance testing Framework, Ioan Raicu, Catalin Dumitrescu, Ian Foster, and Matei Ripeanu, Journal of Grid Computing, vol. 4(3), p.287-309, September 2006. abstractpdf
[1] Note on Zipf Distribution in Top500 Supercomputers List, M. Ripeanu, IEEE Distributed Systems Online (accepted), October 2006. pdf


2005 and older

[i] Influences on Cooperation in BitTorrent Communities, Nazareno Andrade, Miranda Mowbray, Aliandro Lima, Gustavo Wagner, and Matei Ripeanu, 3rd Workshop on Economics of P2P Systems (P2P Econ), Philadelphia, PA, August 2005. pdf
[ii] Incentive Mechanisms for Large Collaborative Resource Sharing, Kavitha Ranganathan, Matei Ripeanu, Ankur Sarin and Ian Foster, 4th IEEE/ACM International Symposium on Cluster Computing and the Grid (CCGrid-04), Chicago, April 2004. pdf
[iii] Globus and PlanetLab Resource Management Solutions Compared, Matei Ripeanu, Mic Bowman, Jeffrey Chase, Ian Foster, and Milan Milenkovic, 13th IEEE International Symposium on High Performance Distributed Computing (HPDC-13), Honolulu, HA, June '04; also as PlanetLab PDN-04-018. pdf
[iv] Small-World File-Sharing Communities, Adriana Iamnitchi, Matei Ripeanu, and Ian Foster, IEEE INFOCOM 2004, pp. 952-963, March 7-11 2004, Hong Kong. pdf
[v] Connecting Client Objectives with Resource Capabilities: An Essential Component for Grid Service Management Infrastructures, Asit Dan, Catalin Dumitrescu, and Matei Ripeanu, 2nd International Conference on Service Oriented Computing (ICSOC), November 2004, New York, NY. pdf
[vi] DiPerF: automated DIstributed PERformance testing Framework, Catalin Dumitrescu, Ioan Raicu, Matei Ripeanu, and Ian Foster, 5th IEEE/ACM International Workshop on Grid Computing (Grid2004), November 2004, Pittsburg, PA. pdf
[vii] Cache Replacement Policies For Peer-to-Peer File-Sharing Protocols, Adam Wierzbicki, Nathaniel Leibowitz, Matei Ripeanu, and Rafał Woźniak, European Transactions on Telecommunications, Special Issue on P2P Networking and P2P Services, vol 15(6) 2004. pdf
[viii] Cache Replacement Policies Revisited: The Case of P2P Traffic, Adam Wierzbicki, Nathaniel Leibowitz, Matei Ripeanu, and Rafał Woźniak, 4th GP2P Workshop, April 2004, Chicago, IL. pdf
[ix] Dynamic Creation and Management of Runtime Environments in the Grid, Kate Keahey, Matei Ripeanu, and Karl Doering, Workshop on Designing and Building Grid Services, GGF-9, October 2003, Chicago, IL. pdf.
[x] To Share or Not to Share: An Analysis of Incentives to Contribute in Collaborative File Sharing Environments, Kavitha Ranganathan , Matei Ripeanu, Ankur Sarin and Ian Foster, Workshop on Economics of P2P Systems (P2PEcon), June 2003, Berkeley, CA. (a refined version appeared in proceedings of CCGrid'04 conference) pdf.
[xi] Deconstructing the Kazaa Network, Nathaniel Leibowitz, Matei Ripeanu, and Adam Wierzbicki, 3rd IEEE Workshop on Internet Applications (WIAPP'03), June 2003, San Jose, CA [pdf].
[xii] Giggle: A Framework for Constructing Scalable Replica Location Services, Ann L. Chervenak, Ewa Deelman, Ian Foster, Adriana Iamnitchi, Carl Kesselman, Wolfgang Hoschek, Peter Kunst, Matei Ripeanu, Bob Schwartzkopf, Heinz Stockinger, Kurt Stockinger, and Brian Tierney. International Conference for High Performance Computing, Networking, Storage, and Analysis (SC'02), November 2002, Baltimore, MD. pdf
[xiii] A Decentralized, Adaptive, Replica Location Service, Matei Ripeanu and Ian Foster, 11th IEEE International Symposium on High Performance Distributed Computing (HPDC-11), Edinburgh, Scotland, July 2002. pdf
[xiv] Locating Data in (Small-World?) P2P Scientific Collaborations, Adriana Iamnitchi, Matei Ripeanu and Ian Foster, 1st International Workshop on Peer-to-Peer Systems (IPTPS'02), Cambridge, MA, March 2002. LNCS 2429. pdf
[xv] Mapping Gnutella Network, Matei Ripeanu and Ian Foster, 1st International Workshop on Peer-to-Peer Systems (IPTPS'02), Cambridge, MA, March 2002. LNCS 2429. pdf
[xvi] Mapping the Gnutella Network: Properties of Large-Scale Peer-to-Peer Systems and Implications for System Design, Matei Ripeanu; Ian Foster and Adriana Iamnitchi, in IEEE Internet Computing Journal special issue on peer-to-peer networking, vol. 6(1) 2002. pdf
[xvii] Performance Predictions for a Numerical Relativity Package in Grid Environments, Matei Ripeanu, Adriana Iamnitchi and Ian Foster. International Journal of High Performance Computing Applications, vol. 15(4), Winter 2001, Sage Publications. ps
[xviii] Supporting Efficient Execution in Heterogeneous Distributed Computing Environments with Cactus and Globus, Gabrielle Allen, Thomas Dramlitsch, Ian Foster, Tom Goodale, Nicholas Karonis, Matei Ripeanu, Ed Seidel, and Brian Toonen. In proceedings of International Conference for High Performance Computing, Networking, Storage, and Analysis (SC'01), November 2001, Denver, Colorado. (Gordon Bell Award). pdf
[xix] Cactus Application: Performance Predictions in Grid Environments, Matei Ripeanu, Adriana Iamnitchi, and Ian Foster; European Conference on Parallel Computing (EuroPar), Manchester UK, August 2001, LNCS 2150. pdf

Patents

[6] Cost Exploration of Data Sharings in the Cloud, Samer Al-Kiswany, Hakan Hacigumus, Ziyang Liu, Jagan Sankaranarayanan, collaboration with NEC Research Lab, October 2012.
[5] Intelligent Supplemental Search Engine Optimization, Mehrdad Fatourechi, Hadi Hadizadeh, Elizeu Santos Neto, collaboration with BroadBandTV, September 2012
[4] Deduplicated Virtual Machine Transfer, Samer Al-Kiswany, Matei Ripeanu, collaboration with IV May 2012.
[3] Scalable Graph Modeling for Deduplicated Systems, Abdullah Gharaibeh, Cornel Constantinescu, Maohua Lu, collaboration with IBM, November 2011.
[2] A Data Placement Method Optimized for Individual File Accesses on Deduplication-Enabled Tapes, Cornel Constaninescu, Abdullah Gharaibeh, Maohua Lu, David A. Pease, Anurag Sharma, collaboration with IBM, November 2011.
[1] A Mechanism and a System for Virtual Machines Co-Migration, Samer Al-Kiswany, Cornel Constantinescu, Prasenjit Sarkar, Mark Seaman, Dinesh Subhraveti, collaboration with IBM, October 2010.

Talks

[5] TOTEM: Accelerating Graph Processing on Hybrid CPU+GPU Systems, March 2013, GPU Technology Conference (GTC), video & slides
[4] The Socialbot Network: When Bots Socialize for Fame and Money, March 2012, ENS Lyon / INRIA Lyon, slides
[3] MosaStore: A Versatile Storage System, February 2012, AVALON seminar / INRIA Lyon, slides
[2] Harvesting the Opportunity of GPU-Based Acceleration for Data-Intensive Applications, June 2011, IBM Almaden, slides
[1] Harvesting the Opportunity of GPU-based Acceleration, February 2011, IIT slides

Dissertations

[14] Abdullah Gharaibeh, Accelerating Irregular Applications on Parallel Hybrid Platforms, April 2015, UBC_library slides
[13] Yazan Boshmaf, Security Analysis of Malicious Socialbots on the Web, April 2015, UBC_library slides
[12] Lauro Beltrão Costa, Support for Configuration and Provisioning of Intermediate Storage Systems, December 2014, UBC_library PDF slides
[11] Hao Yang, Energy Prediction for I/O Intensive Workflow Applications, Master of Applied Science Dissertation, September 2014, link slides
[10] Bo Fang, Error Resilience Evaluation of GPGPU Applications, Master of Applied Science Dissertation, July 2014, link slides
[9] Elizeu Santos Neto, Quantifying the Value of Peer-Produced Information in Social Tagging Systems, PhD Dissertation, June 2014, link
[8] MohammadHossein Afrasiabi, GPU Acceleration for Industrial Applications, Master of Applied Science Dissertation, November 2013, link slides
[7] Samer Al-Kiswany, Embracing Diversity: Optimizing Distributed Storage Systems for Diverse Deployment Environments, PhD Dissertation, June 2013, link
[6] Emalayan Vairavanathan, Towards a High-performance Scalable Storage System for Workflow Application, Master of Applied Science Dissertation, November 2012, link slides
[5] Kyle Zeeuwen, Optimizing re-evaluation of malware distribution networks, Master of Applied Science Dissertation, Dissertation, October 2011, link slides
[4] Qiang Wei, Towards Improving the Availability and Performance of Enterprise Authorization Systems, PhD Dissertation, October 2009, link
[3] Armin Bahramshahry, MCCA: A Communication Architecture for Online Multiplayer Games, Master of Applied Science Thesis, University of British Columbia, August 2009, link slides
[2] Abdullah Gharaibeh, Exploring Data Reliability Tradeoffs in Replicated Storage Systems, Master of Applied Science Thesis, University of British Columbia, June 2009, link slides
[1] Samer Al-Kiswany, Beyond Music Sharing: An Evaluation of Peer-to-Peer Data Dissemination Techniques in Large Scientific Collaborations, Master of Applied Science Thesis, University of British Columbia, December 2007, pdf slides

Internal

[9] Hassan Halawa, Defending Against Automated Large-Scale Cyber Intrusions by Focusing on the Vulnerable Population, PhD proposal, October 2017, pdf slides
[8] Tahsin Reza, Pattern Matching on Metadata Graphs at Scale, PhD proposal, September 2017, pdf slides
[7] Scott Sallinen, Dynamic Graph Processing For On-Line Analytics, PhD proposal, May 2017, pdf slides
[6] Yazan Boshmaf, Security Analysis of Malicious Socialbots in the Web, PhD proposal, April 2013, pdf slides
[5] Lauro Beltrão Costa, Automated Configuration of Distributed Storage Systems, PhD proposal, June 2011, pdf slides
[4] Abdullah Gharaibeh, System Support for Massively Parallel Hybrid Systems, PhD proposal, May 2011, pdf slides
[3] Elizeu Santos-Neto, Characterizing and Harnessing Peer Production of Information in Tagging Systems, PhD proposal, February 2010, pdf slides
[2] Samer Al-Kiswany, Embracing Diversity: Optimized Distributed Storage Systems for Diverse Deployment Environments, PhD proposal, November 2009, pdf slides
[1] Qiang Wei, On Improving the Availability and Performance of Enterprise Authorization Systems, PhD proposal, April 2008, pdf slides


CFPs: distributed systems, social computing parallel computing

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