Showing result 1 - 5 of 6 essays containing the words CHRISTOFFER PETTERSSON.

  1. 1. Ant Colony Optimization - Optimal Number of Ants

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

    Author : Lars Pettersson; Christoffer Lundell Johansson; [2018]
    Keywords : ;

    Abstract : The focus of this thesis paper is to study the impact the number of ants has on the found solution of the Ant Colony Optimization (ACO) metaheuristic when solving the Traveling Salesman Problem. The goal was to find out how the length of the computed tours change for different amounts of ants within a limited number of iterations. READ MORE

  2. 2. Investigating the Correlation Between Marketing Emails and Receivers Using Unsupervised Machine Learning on Limited Data : A comprehensive study using state of the art methods for text clustering and natural language processing

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

    Author : Christoffer Pettersson; [2016]
    Keywords : Machine learning; Unsupervised; Natural language processing; nlp; clustering; centroid based; k-means; text clustering; limited data; email clustering; lsa; svd; tf-idf; dimensionality reduction; the gap statistic; Lloyd s algorithm; vectorization; feature extraction;

    Abstract : The goal of this project is to investigate any correlation between marketing emails and their receivers using machine learning and only a limited amount of initial data. The data consists of roughly 1200 emails and 98.000 receivers of these. Initially, the emails are grouped together based on their content using text clustering. READ MORE

  3. 3. Corporate Bond Yield Spreads: A Search-based Sentiment Approach

    University essay from Handelshögskolan i Stockholm/Institutionen för finansiell ekonomi

    Author : Johan Pettersson; Christoffer Sjöström; [2016]
    Keywords : Investor sentiment; Corporate bonds; Yield spreads; Mispricing; Reversal trends;

    Abstract : This study examines the effect of investor sentiment, as measured by internet search activity, on corporate bond yield spreads. Specifically, we predict systematic reversal patterns as a result of sentiment-induced mispricing: In pessimistic regimes bonds appear underpriced with higher yields than indicated by fundamental values. READ MORE

  4. 4. How the Swedish Market for Wild Caught Fish is Shaped by Voluntary Sustainability Standards

    University essay from Göteborgs universitet/Graduate School

    Author : Christoffer Pettersson; Alexis Piippo; [2015-07-08]
    Keywords : Voluntary sustainability standards; market practice; market-based instruments; governmentality; wild caught fish;

    Abstract : Abstract This article deals with how the global northern market for wild caught fish is shaped by voluntary sustainability standards (VSS). Specifically, it investigates how different market norms introduced by both mainstream- and niche market VSS affect what market actors do in practice. READ MORE

  5. 5. Factors affecting consumers purchase intentions for digital news : A quantitative study of Resumé

    University essay from Umeå universitet/Företagsekonomi; Umeå universitet/Företagsekonomi

    Author : Christoffer Pettersson; Björn Söderström; [2015]
    Keywords : Purchase intentions; perceived ease-of-use; perceived usefulness; trust; reputation; word-of-mouth; willingness to customize;

    Abstract : Companies providing digital news are today struggling with low purchase intentions among their consumers. Over the years, the Internet has become a vital part of how people consume news, and the growth in online consumption has led to a decline in printed circulation. READ MORE