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  1. Your Reactions Suggest You Liked the Movie: Automatic Content Rating via Reaction Sensing
    Xuan Bao, Songchun Fan, Alexander Varshavsky, Kevin Li, Romit Roy Choudhoury
    ACM International Joint Conference on Pervasive and Ubiquitous Computing (UbiComp 2013), Zurich, Switzerland, 2013 (acceptance rate 23%)

  2. TapPrints: Your Finger Taps have Fingerprints
    Emiliano Miluzzo, Alexander Varshavsky, Suhrid Balakrishnan, and Romit Roy Choudhury
    Tenth Annual International Conference on Mobile Systems, Applications, and Services (MobiSys 2012), Low Wood Bay, Lake District, United Kingdom, 2012 (acceptance rate 18%)

  3. Human Mobility Modeling at Metropolitan Scales
    Sibren Isaacman, Rick Becker, Ramon Cáceres, Margaret Martonosi, Jim Rowland, Alexander Varshavsky and Walter Willinger
    Tenth Annual International Conference on Mobile Systems, Applications, and Services (MobiSys 2012), Low Wood Bay, Lake District, United Kingdom, 2012 (acceptance rate 18%)

  4. Confidant: Protecting OSN Data without Locking it Up
    Dongtao Liu, Amre Shakimov, Ramon Caceres, Alexander Varshavsky, and Landon P. Cox
    Twelfth International Middleware Conference (Middleware 2011), Lisbon, Portugal, 2011 (acceptance rate 16%)

  5. Traffic Backfilling: Subsidizing Lunch for Delay-Tolerant Applications in UMTS Networks
    H. Andres Lagar-Cavilla, Kaustubh Joshi, Alexander Varshavsky, Jeffrey Bickford, and Darwin Parra
    Third ACM Workshop on Networking, Systems, and Applications on Mobile Handhelds (MobiHeld 2011), Lisbon, Portugal, 2011

  6. Predicting Handoffs in 3G Networks
    Umar Javed, Dongsu Han, Ramon Caceres, Jeffery Pang, Srinivasan Seshan, and Alexander Varshavsky
    Third ACM Workshop on Networking, Systems, and Applications on Mobile Handhelds (MobiHeld 2011), Lisbon, Portugal, 2011

  7. Route Classification using Cellular Handoff Patterns
    Richard Becker, Ramon Caceres, Karrie Hanson, Ji Meng Loh, Simon Urbanek, Alexander Varshavsky and Chris Volinsky
    Thirteenth ACM International Conference on Ubiquitous Computing (UbiComp 2011), Beijing, China, 2011 (acceptance rate 16%)

  8. ProxiMate: Proximity-based Secure Pairing using Ambient Wireless Signals
    Suhas Mathur, Robert Miller, Alexander Varshavsky, Wade Trappe, Narayan Mandayam
    Ninth Annual International Conference on Mobile Systems, Applications, and Services (MobiSys 2011), Washington D.C., USA, 2011 (acceptance rate 18%)

  9. Security versus Energy Tradeoffs in Host-Based Mobile Malware Detection
    Jeffrey Bickford, Andres Lagar-Cavilla, Alexander Varshavsky, Vinod Ganapathy, Liviu Iftode
    Ninth Annual International Conference on Mobile Systems, Applications, and Services (MobiSys 2011), Washington D.C., USA, 2011 (acceptance rate 18%)

  10. A Tale of One City: Using Cellular Network Data for Urban Planning
    Richard A. Becker, Ramon Caceres, Karrie Hanson, Ji Meng Loh, Simon Urbanek, Alexander Varshavsky, Chris Volinsky
    IEEE Pervasive Computing, special issue on Large-Scale Opportunistic Sensing, Vol. 10, No. 4, October-December 2011

  11. Ranges of Human Mobility in Los Angeles and New York
    Sibren Isaacman, Richard Becker, Ramon Caceres, Stephen Kobourov, Margaret Martonosi, James Rowland, Alexander Varshavsky
    Eights International Workshop on Managing Ubiquitous Communications and Services (MUCS 2011), Seattle, USA

  12. Clustering Anonymized Mobile Call Detail Records to Find Usage Groups
    Richard A. Becker, Ramon Caceres, Karrie Hanson, Ji Meng Loh, Simon Urbanek, Alexander Varshavsky, Chris Volinsky
    First Workshop on Pervasive Urban Applications (PURBA 2011), San Francisco, USA

  13. Identifying Important Places in People's Lives from Cellular Network Data
    Sibren Isaacman, Richard Becker, Ramon Caceres, Stephen Kobourov, Margaret Martonosi, James Rowland, Alexander Varshavsky
    Ninth International Conference on Pervasive Computing (Pervasive 2011), San Francisco, USA (acceptance rate 24%)

  14. Tracking Vehicular Speed Variations by Warping Mobile Phone Signal Strengths
    Gayathri Chandrasekaran, Tam Vu, Alexander Varshavsky, Marco Gruteser, Richard Martin, Jie Yang, Yingying Chen
    Ninth Annual IEEE International Conference on Pervasive Computing and Communications (PerCom 2011), Seattle, USA, 2011 (acceptance rate 11%)

  15. Vis-a-Vis: Privacy-Preserving Online Social Networks via Virtual Individual Servers
    Amre Shakimov, Harold Lim, Ramon Caceres, Landon P. Cox, Kevin Li, Dongtao Liu, and Alexander Varshavsky
    Third International Conference on Communication Systems and Networks (COMSNETS 2011), Bangalore, India, 2011 (acceptance rate 20%)

  16. Accuracy Characterization of Cell Tower Localization
    Jie Yang, Alexander Varshavsky, Hongbo Liu, Yingying Chen, Marco Gruteser
    Twelfth ACM International Conference on Ubiquitous Computing (Ubicomp 2010), Copenhagen, Denmark, 2010 (acceptance rate 19%)

  17. Vehicular Speed Estimation using Received Signal Strength from Mobile Phones
    Gayathri Chandrasekaran, Tam Vu, Alexander Varshavsky, Marco Gruteser, Richard Martin, Jie Yang, Yingying Chen
    Twelfth ACM International Conference on Ubiquitous Computing (Ubicomp 2010), Copenhagen, Denmark, 2010 (acceptance rate 19%)

  18. A Tale of Two Cities
    Sibren Isaacman, Richard Becker, Ramon Caceres, Stephen Kobourov, James Rowland, Alexander Varshavsky
    Eleventh IEEE Workshop on Mobile Computing Systems and Applications (HotMobile 2010), Annapolis, Maryland, USA, 2010 (acceptance rate: 25%)

  19. Location in Ubiquitous Computing
    Alexander Varshavsky, Shwetak Patel
    Ubiquitous Computing Fundamentals, 2009, pp. 285-320

  20. Virtual Individual Servers as Privacy-Preserving Proxies for Mobile Devices
    Ramon Caceres, Landon Cox, Harold Lim, Amre Shakimov, Alexander Varshavsky
    First ACM SIGCOMM Workshop on Networking, Systems, and Applications on Mobile Handhelds (MobiHeld 2009), Barcelona, Spain, August 2009

  21. Privacy, Cost, and Availability Tradeoffs in Decentralized OSNs
    Amre Shakimov, Alexander Varshavsky, Landon Cox, Ramon Caceres
    Second ACM SIGCOMM Workshop on Online Social Networks (WOSN 2009), Barcelona, Spain, August 2009

  22. Proximity-based Authentication of Mobile Devices
    Adin Scannell, Alexander Varshavsky, Anthony LaMarca, Eyal de Lara
    International Journal of Security and Networks (IJSN), Vol. 1, No. 4, 2009

  23. Calibree: Calibration-free Localization using Relative Distance Estimations
    Alex Varshavsky, Denis Pankratov, John Krumm, Eyal de Lara
    Sixth International Conference on Pervasive Computing (Pervasive 2008), Sydney, Australia, 2008 (acceptance rate: 15%)

  24. GSM Indoor Localization
    Alex Varshavsky, Eyal de Lara, Anthony LaMarca, Jeffrey Hightower, Veljo Otsason
    Pervasive and Mobile Computing Journal (PMC), vol. 3, no. 6, pp 698-720, Elsevier, 2007

  25. Amigo: Proximity-based Authentication of Mobile Devices
    Alex Varshavsky, Adin Scannell, Anthony LaMarca, Eyal de Lara
    Ninth International Conference on Ubiquitous Computing (UbiComp 2007), Innsbruk, Austria, 2007 (acceptance rate: 19%)

  26. An Exploration of Location Error Estimation
    Dave Dearman, Alex Varshavsky, Eyal de Lara, Khai Truong
    Ninth International Conference on Ubiquitous Computing (UbiComp 2007), Innsbruck, Austria, 2007 (acceptance rate: 19%)

  27. Enabling Secure and Spontaneous Communication between Mobile Devices using Common Radio Environment
    Alex Varshavsky, Anthony LaMarca, Eyal de Lara
    IEEE Workshop on Mobile Computing Systems and Applications (HotMobile 2007), Tucson, Arizona, USA, 2007 (acceptance rate: 33%)

  28. The SkyLoc Floor Localization System
    Alex Varshavsky, Anthony LaMarca, Jeffrey Hightower, Eyal de Lara
    Fifth IEEE International Conference on Pervasive Computing and Communications (PerCom 2007), White Plains, NY, 2007 (acceptance rate: 14%)

  29. Mobility Detection Using Everyday GSM Traces
    Timothy Sohn, Alex Varshavsky, Anthony LaMarca, Mike Y. Chen, Tanzeem Choudhury, Ian Smith, Sunny Consolvo, Jeffrey Hightower, William G. Griswold, Eyal de Lara
    Eighth International Conference on Ubiquitous Computing (UbiComp 2006), Irvine, California, USA, 2006 (acceptance rate: 13%)

  30. Practical Metropolitan-Scale Positioning for GSM Phones
    Mike Y. Chen, Timothy Sohn, Dmitri Chmelev, Dirk Haehnel, Jeffrey Hightower, Jeff Hughes, Anthony LaMarca, Fred Potter, Ian Smith, and Alex Varshavsky
    Eighth International Conference on Ubiquitous Computing (UbiComp 2006), Irvine, California, USA, 2006 (acceptance rate: 13%)

  31. Are GSM Phones THE Solution for Localization?
    Alex Varshavsky, Mike Chen, Eyal de Lara, Jon Froehlich, Dirk Haehnel, Jeffrey Hightower, Anthony LaMarca, Fred Potter, Timothy Sohn, Karen Tang, and Ian Smith
    IEEE Workshop on Mobile Computing Systems and Applications (HotMobile 2006), Semiahmoo Resort, Washington, USA, 2006 (acceptance rate: 30%)

  32. Algorithms for Detecting Motion of a GSM Mobile Phone
    Ian Smith, Mike Chen, Alex Varshavsky, Timothy Sohn, and Karen Tang
    ECSCW Workshop on Location Awareness and Community (LAC 2005), Paris, France, 2005

  33. Accurate GSM Indoor Localization
    Veljo Otsason, Alex Varshavsky, Anthony La Marca and Eyal de Lara
    Seventh International Conference on Ubiquitous Computing (UbiComp 2005), Tokyo, Japan, 2005 (acceptance rate: 9%)

  34. A Cross-Layer Approach to Service Discovery and Selection in MANETs
    Alex Varshavsky, Brad Reid and Eyal de Lara
    International Conference on Mobile Ad-Hoc and Sensor Systems (MASS 2005), Washington D.C., 2005 (acceptance rate: 33%)

  35. Alleviating Self-Interference in MANETs
    Alex Varshavsky and Eyal de Lara
    International IEEE Workshop on Wireless Local Networks (WLN 2004), Tampa, Florida, 2004 (acceptance rate: 41%)

  36. Cross-Layer Flow Control in Lightly Loaded Multi-Hop Ad Hoc Networks
    Alex Varshavsky, Baochun Li and Eyal de Lara
    International Workshop on Network Design and Architecture (IWNDA 2004), Montreal, Quebec, 2004

  37. Deriving Specialized Program Analyses for Certifying Component-Client Conformance
    G. Ramalingam, Alex Varshavsky, John Field, Deepak Goyal and Mooly Sagiv
    Programming Languages Design and Implementation Conference (PLDI 2002), Berlin, Germany, 2002 (acceptance rate: 17%)

  38. Feedback Based Post-Link Optimization for Large Subsystems
    Ealan A. Henis, Gadi Haber, Moshe Klausner, and Alex Varshavsky
    Second Workshop on Feedback-Directed Optimization (FDO 1999), Haifa, Israel, 1999 (acceptance rate: 50%)

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