Now showing items 1-2 of 2

    • Detecting Fake Followers in Twitter: A Machine Learning Approach 

      Ashraf Khalil; Hajjdiab Hassan; Al-Qirim Nabeel (IJMLC, 2017-12)
      Twitter popularity has fostered the emergence of a new spam marketplace. The services that this market provides include: the sale of fraudulent accounts, affiliate programs that facilitate distributing Twitter spam, as ...
    • 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 ...