Essays about: "Fraud techniques"

Showing result 1 - 5 of 16 essays containing the words Fraud techniques.

  1. 1. Detection of insurance fraud using NLP and ML

    University essay from Lunds universitet/Matematisk statistik

    Author : Rasmus Bäcklund; Hampus Öhman; [2023]
    Keywords : Technology and Engineering;

    Abstract : Machine-Learning can sometimes see things we as humans can not. In this thesis we evaluated three different Natural Language Procces-techniques: BERT, word2vec and linguistic analysis (UDPipe), on their performance in detecting insurance fraud based on transcribed audio from phone calls (referred to as audio data) and written text (referred to as text-form data), related to insurance claims. READ MORE

  3. 2. Performance comparison of data mining algorithms for imbalanced and high-dimensional data

    University essay from KTH/Skolan för elektroteknik och datavetenskap (EECS)

    Author : Daniel Rubio Adeva; [2023]
    Keywords : Data science; neural network; random forest; support vector machine; imbalanced data; average precision; ROC; Datavetenskap; neuralt nätverk; slumpmässig skog; stödvektormaskin; obalanserad data; medelprecision; ROC;

    Abstract : Artificial intelligence techniques, such as artificial neural networks, random forests, or support vector machines, have been used to address a variety of problems in numerous industries. However, in many cases, models have to deal with issues such as imbalanced data or high multi-dimensionality. READ MORE

  4. 3. Machine learning for detecting fraud in an API

    University essay from KTH/Skolan för elektroteknik och datavetenskap (EECS)

    Author : Anna Sánchez Espunyes; [2022]
    Keywords : Fraud detection; Machine learning; Supervised learning; Sentence-BERT; Web API; Bedrägeriupptäckt; Maskininlärning; Övervakad inlärning; Sentence-BERT; Web API;

    Abstract : An Application Programming Interface (API) provides developers with a high-level framework that abstracts the underlying implementation of services. Using an API reduces the time developers spent on implementation, and it encourages collaboration and innovation from third-party developers. READ MORE

  5. 4. Network Graph AnalysisCategorizing Private Individuals and Private Firms in a Bank

    University essay from Uppsala universitet/Institutionen för informationsteknologi

    Author : Tayyeba Muhammad Khan; [2022]
    Keywords : ;

    Abstract : This study deals with classifying private individuals and private firmsthrough transaction data of a financial institution. Private firm(Enskild Firma) in Sweden is difficult to distinguish from privateindividual through transactions as it is owned by a sole trader who hasa small business. READ MORE

  6. 5. Market Abuse : A Survey

    University essay from Södertörns högskola/Nationalekonomi

    Author : Daniel Broman; [2022]
    Keywords : Financial markets; Market abuse; Fraud; Market manipulation; Insiders; Outsiders; Theory of Harm; Finansiella marknader; marknadsmissbruk; bedrägerier; marknadsmanipulation; insiders; outsiders; theory of harm;

    Abstract : The purpose of this study is to give an overview of how rules are broken in and at places connected to financial markets, such as the stock market. The approach is aimed at answering the following questions: Who are the investors and traders in the market, who are the market actors? How are financial market prices and quantities being changed in ways not allowed in the market, i. READ MORE