Now showing items 1-6 of 6

    • A Collaborative Approach to Minimize Cellphone Interruptions 

      Khalil Ashraf; Connelly Kay (Springer, 2009)
      In this paper, we present a collaborative approach to minimizing in- appropriate cellphone interruptions. The approach uses Bluetooth technology to discover and communicate with the surrounding cell phones in order to read ...
    • Context-Aware Telephony: Privacy Preferences and Sharing Patterns. 

      Connelly Kay; Khalil Ashraf (ACM, 2006)
      The proliferation of cell phones has led to an ever increasing number of inappropriate interruptions. Context-aware telephony applications, in which callers are provided with context information about the receivers, has ...
    • Image Matching CAPTCHAs 

      Khalil Ashraf; Hajjdiab Hassan (IEEE, 2012-05-30)
      With the proliferation of Web services, it is imperative to minimize spamming and security risks. Spammers use software to automate the process of creating fake online accounts to be used later as a source of spam and ...
    • Internet as an Empowerment Tool in Conflict Zones. 

      Khalil Ashraf; Abdallah Salam (Inderscience publishers, 2010)
      The proliferation of the internet has become an integral part of our daily life serving multiple purposes. The internet has become a major channel for education, business, communication and entertainment. The far-reaching ...
    • Script Familiarity and Its Effect on CAPTCHA Usability: An Experiment with Arab Participants. 

      Khalil Ashraf; Abdallah Salam; Ahmed S (IGI Global, 2012)
      Many web-based services such as email, search engines, and polling sites are being abused by spammers via computer programs known as bots. This problem has bred a new research area called Human Interactive Proofs (HIP) and ...
    • Towards Remote Monitoring of Vital Signs without Body Instrumentation 

      Othman, Yaser; Qasymeh, Montasir; Khalil Ashraf; Ghazal Mohammed (IEEE, 2017-11-20)
      This research presents two approaches using microwave signals to detect vital signs of humans equipped with an m-health application. The first approach utilizes phase locked loop (PLL) to multiply the frequency of a very ...