Essays about: "CHRISTOPHER TELJSTEDT"

Found 2 essays containing the words CHRISTOPHER TELJSTEDT.

  1. 1. Separating Tweets from Croaks : Detecting Automated Twitter Accounts with Supervised Learning and Synthetically Constructed Training Data

    University essay from KTH/Skolan för datavetenskap och kommunikation (CSC)

    Author : Erik Christopher Teljstedt; [2016]
    Keywords : bot detection; information operations; synthetically constructed training data; social media analysis; classification; learning systems; social networking online ; bot detection; classification performance; classification results; machine learning approaches; military conflicts; semi-automatic; automation;

    Abstract : In this thesis, we have studied the problem of detecting automated Twitter accounts related to the Ukraine conflict using supervised learning. A striking problem with the collected data set is that it was initially lacking a ground truth. READ MORE

  3. 2. RB-PoW: A reputation based approach tocryptographic mitigation of denial-of-serviceattacks

    University essay from KTH/Skolan för datavetenskap och kommunikation (CSC)

    Author : FREDRIK LILKAER; CHRISTOPHER TELJSTEDT; [2013]
    Keywords : ;

    Abstract : Denial of Service (DoS) aims to drain the underlying resources of a service and is a increasing problem for today’s service providers. In this paper, we propose a novel reputation based proof-of-work (RB-PoW) protocol based on adaptive scaling of puzzle difficulties to mitigate various denial-of-service attacks. READ MORE