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Ahmed Helmy - Publications

Affiliations: 
Computer Engineering: Doctor of Philosophy University of Southern California, Los Angeles, CA, United States 
Area:
Computer Science
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70 high-probability publications. We are testing a new system for linking publications to authors. You can help! If you notice any inaccuracies, please sign in and mark papers as correct or incorrect matches. If you identify any major omissions or other inaccuracies in the publication list, please let us know.

Year Citation  Score
2017 ElSherief M, Alipour B, Qathrady MA, ElBatt TA, Zahran AH, Helmy A. A novel mathematical framework for similarity-based opportunistic social networks Pervasive and Mobile Computing. 42: 134-150. DOI: 10.1016/J.Pmcj.2017.08.004  0.415
2015 Moghaddam S, Helmy A. Interest-based mining and modeling of big mobile networks Proceedings - 2015 Ieee 1st International Conference On Big Data Computing Service and Applications, Bigdataservice 2015. 1-6. DOI: 10.1109/BigDataService.2015.69  0.466
2014 Kim J, Helmy A. Analysing the mobility, predictability and evolution of WLAN users International Journal of Autonomous and Adaptive Communications Systems. 7: 169-191. DOI: 10.1504/Ijaacs.2014.058020  0.387
2013 Tuncay GS, Benincasa G, Helmy A. Autonomous and distributed recruitment and data collection framework for opportunistic sensing Mobile Computing and Communications Review. 16: 50-53. DOI: 10.1145/2436196.2436219  0.461
2013 Thakur GS, Helmy A. COBRA: A framework for the analysis of realistic mobility models 2013 Ieee Conference On Computer Communications Workshops, Infocom Wkshps 2013. 145-150. DOI: 10.1109/INFCOMW.2013.6562895  0.399
2013 Thakur GS, Hui P, Helmy A. The structure and traffic flow anatomy of the planet-scale urban vehicular mobility Network Science. 3: 13-23. DOI: 10.1007/S13119-013-0015-5  0.506
2012 Thakur GS, Kumar U, Hsu WJ, Helmy A. Gauging human mobility characteristics and its impact on mobile routing performance International Journal of Sensor Networks. 11: 179-191. DOI: 10.1504/Ijsnet.2012.046348  0.513
2012 Kumar U, Helmy A. Discovering trustworthy social spaces Proceedings of the 3rd International Workshop On Sensing Applications On Mobile Phones, Phonesense 2012 - in Conjunction With Acm Sensys 2012. DOI: 10.1145/2389148.2389155  0.35
2012 Moon S, Helmy A. MobiCom 2011 poster: contact rule-based decision for mobile social networking testbed Mobile Computing and Communications Review. 15: 49-51. DOI: 10.1145/2169077.2169087  0.362
2012 Hsu W, Dutta D, Helmy A. Structural Analysis of User Association Patterns in University Campus Wireless LANs Ieee Transactions On Mobile Computing. 11: 1734-1748. DOI: 10.1109/Tmc.2011.254  0.39
2012 Helmy A, Alameldeen AR. Redundancy and ECC mechanisms to improve energy efficiency of on-die interconnects 2012 International Conference On Energy Aware Computing, Iceac 2012. DOI: 10.1109/ICEAC.2012.6471021  0.356
2011 Moon S, Helmy A. Spectral analysis of periodicity and regularity for mobile encounters in delay tolerant networks Mobile Computing and Communications Review. 14: 37-39. DOI: 10.1145/1942268.1942282  0.484
2011 Kumar U, Helmy A. Proximity-based trust-advisor using encounters Mobile Computing and Communications Review. 14: 22-24. DOI: 10.1145/1942268.1942277  0.544
2011 Moghaddam S, Helmy A. Modeling of internet usage in large mobile societies using self-organizing maps Acm Sigmobile Mobile Computing and Communications Review. 14: 13. DOI: 10.1145/1942268.1942274  0.332
2011 Tanachaiwiwat S, Helmy A. Worm propagation and interaction in mobile networks Handbook of Security and Networks. 321-344. DOI: 10.1142/9789814273046_0013  0.502
2011 Kim Y, Helmy A. Attacker traceback in mobile multi-hop networks Handbook of Security and Networks. 169-190. DOI: 10.1142/9789814273046_0006  0.508
2011 Wang SC, Helmy A. BEWARE: Background traffic-aware rate adaptation for IEEE 802.11 Ieee/Acm Transactions On Networking. 19: 1164-1177. DOI: 10.1109/Tnet.2011.2106140  0.441
2011 Moghaddam S, Helmy A. SPIRIT: A simulation paradigm for realistic design of mature mobile societies Iwcmc 2011 - 7th International Wireless Communications and Mobile Computing Conference. 232-237. DOI: 10.1109/IWCMC.2011.5982538  0.331
2011 Moon S, Helmy A. Design and implementation of mobile networking testbeds with personality profiles Iwcmc 2011 - 7th International Wireless Communications and Mobile Computing Conference. 220-225. DOI: 10.1109/IWCMC.2011.5982536  0.51
2010 Begum S, Helmy A, Gupta S. Modeling the interactions between MAC and higher layer: A systematic approach to generate high-level scenarios from MAC-layer scenarios Acm Transactions On Modeling and Computer Simulation. 21: 7. DOI: 10.1145/1870085.1870092  0.468
2010 Kumar U, Helmy A. Extract: Mining social features from WLAN traces: A gender-based case study Mswim'10 - Proceedings of the 13th Acm International Conference On Modeling, Analysis, and Simulation of Wireless and Mobile Systems. 240-247. DOI: 10.1145/1868521.1868561  0.349
2010 Kim J, Helmy A. Poster abstract: the challenges of accurate mobility prediction for ultra mobile users Mobile Computing and Communications Review. 13: 58-61. DOI: 10.1145/1710130.1710143  0.311
2010 Wang S, Helmy A. Poster Abstract: background traffic-aware rate adaptation for IEEE 802.11: implementation and test-bed experimental results Mobile Computing and Communications Review. 13: 46-49. DOI: 10.1145/1710130.1710140  0.347
2010 Hsu WJ, Helmy A. On nodal encounter patterns in wireless LAN traces Ieee Transactions On Mobile Computing. 9: 1563-1577. DOI: 10.1109/Tmc.2010.123  0.567
2010 Faruque J, Helmy A. TABS: Link loss tolerant data routing protocol for multi-hop wireless sensor networks Sutc 2010 - 2010 Ieee International Conference On Sensor Networks, Ubiquitous, and Trustworthy Computing, Umc 2010 - 2010 Ieee International Workshop On Ubiquitous and Mobile Computing. 11-18. DOI: 10.1109/SUTC.2010.53  0.619
2010 Moon S, Helmy A. Understanding periodicity and regularity of nodal encounters in mobile networks: A spectral analysis Globecom - Ieee Global Telecommunications Conference. DOI: 10.1109/GLOCOM.2010.5684252  0.477
2010 Kim Y, Helmy A. CATCH: A protocol framework for cross-layer attacker traceback in mobile multi-hop networks Ad Hoc Networks. 8: 193-213. DOI: 10.1016/j.adhoc.2009.07.002  0.496
2010 Seada K, Helmy A. Geographic rendezvous-based architectures for emergency data dissemination Wireless Communications and Mobile Computing. 10: 1221-1237. DOI: 10.1002/wcm.680  0.417
2009 Hsu WJ, Spyropoulos T, Psounis K, Helmy A. Modeling spatial and temporal dependencies of user mobility in wireless mobile networks Ieee/Acm Transactions On Networking. 17: 1564-1577. DOI: 10.1109/Tnet.2008.2011128  0.523
2009 Kumar U, Helmy A. Human behavior and challenges of anonymizing WLAN traces Globecom - Ieee Global Telecommunications Conference. DOI: 10.1109/GLOCOM.2009.5426081  0.432
2008 Hsu W, Dutta D, Helmy A. Profile-cast: behavior-aware mobile networking Mobile Computing and Communications Review. 12: 52-54. DOI: 10.1145/1374512.1374529  0.577
2008 Zamalloa MZ, Seada K, Krishnamachari B, Helmy A. Efficient geographic routing over lossy links in wireless sensor networks Acm Transactions On Sensor Networks. 4: 1-33. DOI: 10.1145/1362542.1362543  0.755
2008 Nahm K, Helmy A, Jay Kuo CC. Cross-layer interaction of TCP and ad hoc routing protocols in multihop IEEE 802.11 networks Ieee Transactions On Mobile Computing. 7: 458-469. DOI: 10.1109/Tmc.2007.70779  0.569
2008 Faruque J, Helmy A. PBS: A virtual grid architecture for gradient-based active querying in sensor networks 2008 International Symposium On Collaborative Technologies and Systems, Cts'08. 9-18. DOI: 10.1109/CTS.2008.4543906  0.45
2007 Tanachaiwiwat S, Helmy A. On the performance evaluation and prediction of encounter-based worm interactions based on node characteristics Proceedings of the Annual International Conference On Mobile Computing and Networking, Mobicom. 67-74. DOI: 10.1145/1287791.1287805  0.49
2007 Hsu W, Dutta D, Helmy A. On the structure of user association patterns in wireless LANs Mobile Computing and Communications Review. 11: 67-68. DOI: 10.1145/1282221.1282239  0.368
2007 Bai F, Helmy A. Impact of mobility on last encounter routing protocols 2007 4th Annual Ieee Communications Society Conference On Sensor, Mesh and Ad Hoc Communications and Networks, Secon. 461-470. DOI: 10.1109/SAHCN.2007.4292858  0.515
2007 Tanachaiwiwat S, Helmy A. Computer worm ecology in encounter-based networks Proceedings of the 4th International Conference On Broadband Communications, Networks, Systems, Broadnets. 535-543. DOI: 10.1109/BROADNETS.2007.4550479  0.432
2006 Kim Y, Helmy A. Attacker traceback with cross-layer monitoring in wireless multi-hop networks Proceedings of the Fourth Acm Workshop On Security of Ad Hoc and Sensor Networks, Sasn 2006. a Workshop Held in Conjuction With the 13th Acm Conference On Computer and Communications Security, Ccs'06. 123-134. DOI: 10.1145/1180345.1180361  0.507
2006 Wang SC, Helmy A. Performance limits and analysis of contention-based IEEE 802.11 MAC Proceedings - Conference On Local Computer Networks, Lcn. 418-425. DOI: 10.1109/LCN.2006.322129  0.47
2006 Seada K, Helmy A. Efficient and robust geocasting protocols for sensor networks Computer Communications. 29: 151-161. DOI: 10.1016/J.Comcom.2005.05.014  0.757
2005 Hsu W, Merchant K, Shu H, Hsu C, Helmy A. Weighted waypoint mobility model and its impact on ad hoc networks Mobile Computing and Communications Review. 9: 59-63. DOI: 10.1145/1055959.1055968  0.474
2005 Helmy A. Contact-extended zone-based transactions routing for energy-constrained wireless ad hoc networks Ieee Transactions On Vehicular Technology. 54: 307-319. DOI: 10.1109/Tvt.2004.839671  0.607
2005 Kim Y, Helmy A. SWAT: Small world-based attacker traceback in ad-hoc networks Mobiquitous 2005: Second Annual International Conference On Mobile and Ubiquitous Systems -Networking and Services. 85-96. DOI: 10.1109/MOBIQUITOUS.2005.56  0.47
2005 Tanachaiwiwat S, Helmy A. Correlation analysis for alleviating effects of inserted data in wireless sensor networks Mobiquitous 2005: Second Annual International Conference On Mobile and Ubiquitous Systems -Networking and Services. 97-108. DOI: 10.1109/MOBIQUITOUS.2005.20  0.437
2005 Helmy A, Gupta S. FOTG: Fault-oriented stress testing of IP multicast Ieee Communications Letters. 9: 375-377. DOI: 10.1109/Lcomm.2005.1413639  0.399
2005 Seada K, Helmy A. An overview of geographic protocols in ad hoc and sensor networks 3rd Acs/Ieee International Conference On Computer Systems and Applications, 2005. 2005: 305-312. DOI: 10.1109/AICCSA.2005.1387056  0.559
2005 Helmy A, Garg S, Nahata N, Pamu P. CARD: a contact-based architecture for resource discovery in wireless ad hoc networks Mobile Networks and Applications. 10: 99-113. DOI: 10.1023/B:Mone.0000048549.15371.53  0.594
2004 Kim Y, Lee J, Helmy A. Modeling and analyzing the impact of location inconsistencies on geographic routing in wireless networks Mobile Computing and Communications Review. 8: 48-60. DOI: 10.1145/980159.980168  0.715
2004 Helmy A. CAPTURE: location-free contact-assisted power-efficient query resolution for sensor networks Mobile Computing and Communications Review. 8: 27-47. DOI: 10.1145/980159.980167  0.636
2004 Helmy A, Gupta S, Estrin D. The STRESS Method for Boundary-Point Performance Analysis of End-to-End Multicast Timer-Suppression Mechanisms Ieee/Acm Transactions On Networking. 12: 44-58. DOI: 10.1109/Tnet.2003.822643  0.442
2004 Son D, Helmy A, Krishnamachari B. The effect of mobility-induced location errors on geographic routing in mobile ad hoc and sensor networks: Analysis and improvement using mobility prediction Ieee Transactions On Mobile Computing. 3: 233-245. DOI: 10.1109/Tmc.2004.28  0.597
2004 Das A, Dutta D, Helmy A. A low-state packet marking framework for approximate fair bandwidth allocation Ieee Communications Letters. 8: 588-590. DOI: 10.1109/Lcomm.2004.833829  0.475
2004 Seada K, Helmy A, Gupta S. A framework for systematic evaluation of multicast congestion control protocols Ieee Journal On Selected Areas in Communications. 22: 2048-2061. DOI: 10.1109/Jsac.2004.836013  0.711
2004 Bai F, Sadagopan N, Krishnamachari B, Helmy A. Modeling path duration distributions in MANETs and their impact on reactive routing protocols Ieee Journal On Selected Areas in Communications. 22: 1357-1373. DOI: 10.1109/Jsac.2004.829353  0.633
2004 Bai F, Helmy A. Comparative analysis of algorithms for tree structure restoration in sensor networks Ieee International Performance, Computing and Communications Conference, Proceedings. 23: 385-391.  0.371
2004 Panique J, Helmy A. RUGGED: Routing on fingerprint gradients in sensor networks Proceedings - the Ieee/Acs International Conference On Pervasive Services, Icps2004. 179-188.  0.459
2004 Chitradurga R, Helmy A. Analysis of wired short cuts in wireless sensor networks Proceedings - the Ieee/Acs International Conference On Pervasive Services, Icps2004. 167-177.  0.487
2004 Seada K, Helmy A. Rendezvous regions: A scalable architecture for service location and data-centric storage in large-scale wireless networks Proceedings - International Parallel and Distributed Processing Symposium, Ipdps 2004 (Abstracts and Cd-Rom). 18: 2999-3006.  0.505
2004 Bhaskara G, Helmy A. TCP over micro mobility protocols: A systematic ripple effect analysis Ieee Vehicular Technology Conference. 60: 3095-3099.  0.315
2004 Seada K, Helmy A. Efficient geocasting with perfect delivery in wireless networks 2004 Ieee Wireless Communications and Networking Conference, Wcnc 2004. 4: 2551-2556.  0.54
2003 Seada K, Helmy A, Govindan R. On the effect of location inaccuracy on geographic face routing in wireless networks Acm Sigmobile Mobile Computing and Communications Review. 7: 61-63. DOI: 10.1145/965732.965746  0.767
2003 Faruque J, Helmy A. Gradient-based routing in sensor networks Mobile Computing and Communications Review. 7: 50-52. DOI: 10.1145/965732.965742  0.753
2003 Helmy A. Small Worlds in Wireless Networks Ieee Communications Letters. 7: 490-492. DOI: 10.1109/Lcomm.2003.818887  0.558
2003 Helmy A. Mobility-assisted resolution of queries in large-scale mobile sensor networks (MARQ) Computer Networks. 43: 437-458. DOI: 10.1016/S1389-1286(03)00353-0  0.625
2003 Helmy A. TRANSFER: Transactions Routing for Ad-hoc Networks with eFficient EneRgy Globecom - Ieee Global Telecommunications Conference. 1: 398-404.  0.517
2002 Helmy A. Architectural framework for large-scale multicast in mobile ad hoc networks Ieee International Conference On Communications. 4: 2036-2042.  0.459
2002 Seada K, Helmy A. Fairness evaluation experiments for multicast congestion control protocols Conference Record / Ieee Global Telecommunications Conference. 3: 2614-2618.  0.416
2000 Helmy A. A multicast-based protocol for IP mobility support Second International Workshop On Networked Group Communcation (Ngc 2000). 49-58. DOI: 10.1145/354644.354651  0.575
2000 Breslau L, Estrin D, Fall K, Floyd S, Heidemann J, Helmy A, Huang P, McCanne S, Varadhan K, Xu Y, Yu H. Advances in network simulation Computer. 33: 59-67. DOI: 10.1109/2.841785  0.503
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