Sökning: "fraud outlier"

Hittade 5 uppsatser innehållade orden fraud outlier.

  1. 1. Boom, Bust and Betrayal- Business cycles and securities fraud in the US between 1996-2019

    Master-uppsats, Göteborgs universitet/Graduate School

    Författare :Viktoria Carshaw; Rinske de Vries; [2021-06-29]
    Nyckelord :;

    Sammanfattning : We study the relationship between macroeconomic factors and the number of settled securities fraud cases through the proxy of SEC class action lawsuits. We perform an empirical study of all SEC class action convictions between 1996-2019 and their relationship with business cycles as proxied by a housing price index and GDP. LÄS MER

  3. 2. A Comparative Evaluation Of Semi-supervised Anomaly Detection Techniques

    Kandidat-uppsats, KTH/Skolan för elektroteknik och datavetenskap (EECS)

    Författare :Rebwar Bajallan; Burhan Hashi; [2020]
    Nyckelord :;

    Sammanfattning : As we are entering the information age and the amount of data is rapidly increasing, the task of detecting anomalies has become a necessity in many organizations as anomalies often reveal useful information which in many cases can be critical to save lives or to catch imposters. The semi-supervised approach to anomaly detection which is based on the fact that the user has no information about anomalies has become widely popular since it’s easier to model the normal state of systems than to obtain information about every anomalous behavior. LÄS MER

  4. 3. Outlier Detection Methods Applied to Financial Fraud

    Master-uppsats, Lunds universitet/Institutionen för datavetenskap

    Författare :Eglantine Aurore Marine Boucher; [2020]
    Nyckelord :Technology and Engineering;

    Sammanfattning : .... LÄS MER

  5. 4. A study about fraud detection and the implementation of SUSPECT - Supervised and UnSuPervised Erlang Classifier Tool

    Uppsats för yrkesexamina på avancerad nivå, Institutionen för informationsteknologi

    Författare :Alexander Lindholm; [2014]
    Nyckelord :;

    Sammanfattning : Fraud detection is a game of cat and mouse between companies and people trying to commit fraud. Most of the work within the area is not published due to several reasons. One of the reasons is that if a company publishes how their system works, the public will know how to evade detection. LÄS MER

  7. 5. Outlier Detection in Online Gambling

    D-uppsats, IT-universitetet i Göteborg/Tillämpad informationsteknologi

    Författare :Konstantinos Manikas; [2008-06-30]
    Nyckelord :;

    Sammanfattning : Data mining is field that is increasing in importance and width of application day by day. A sub-domain of data mining, the anomaly detection is also rising in importance the last years. LÄS MER