Sökning: "Text och data mining"

Visar resultat 1 - 5 av 26 uppsatser innehållade orden Text och data mining.

  1. 1. Text mining Twitter social media for Covid-19 : Comparing latent semantic analysis and latent Dirichlet allocation

    Kandidat-uppsats, Högskolan i Gävle/Avdelningen för datavetenskap och samhällsbyggnad

    Författare :Hassan Sheikha; [2020]
    Nyckelord :Data mining; Text mining; artificial intelligence; Natural language processing; Latent Semantic Analysis; Latent Dirichlet Allocation; KMeans; HDBSCAN; Dimension reduction;

    Sammanfattning : In this thesis, the Twitter social media is data mined for information about the covid-19 outbreak during the month of March, starting from the 3’rd and ending on the 31’st. 100,000 tweets were collected from Harvard’s opensource data and recreated using Hydrate. LÄS MER

  2. 2. Impacts of peer-to-peer rental accommodation in Stockholm, Barcelona and Rio de Janeiro : An exploratory analysis of Airbnb’s data

    Master-uppsats, KTH/Maskinkonstruktion (Inst.)

    Författare :Irene Suárez Pacios; [2020]
    Nyckelord :Airbnb; peer-to-peer economy; shared economy; exploratory analysis; text mining; Airbnb; peer-to-peer-ekonomi; delad ekonomi; undersökande analys; textutvinning;

    Sammanfattning : As a part of the growing movement called the “peer-to-peer” economy, Airbnb has changed the short-stay rental market and has become one of the world’s largest booking websites for finding an accommodation to stay. The platform has also affected the economy of tourism around the world, so, given the importance of the subject, in this thesis study, the impacts that the Airbnb rental accommodation model has on clients of Stockholm, Barcelona and Rio de Janeiro is studied. LÄS MER

  3. 3. Terrorist eller ensam galning? : En analys av Aftonbladets och Svenska Dagbladets nyhetsrapportering om Anders Behring Breivik och Rakhmat Akilov

    Kandidat-uppsats, Umeå universitet/Institutionen för kultur- och medievetenskaper

    Författare :Wilhelm Sandelin Anton; [2020]
    Nyckelord :Digital text analysis; data mining; frame analysis; news media; Anders Behring Breivik; Rakhmat Akilov; terrorism; framing; orientalism; ethnicity.; Digital textanalys; datautvinning; framinganalys; nyhetsmedier; Anders Behring Breivik; Rakhmat Akilov; terrorism; gestaltningsteori; orientalism; etnicitet.;

    Sammanfattning : This study aims to survey and compare Swedish newspaper coverage relating to convicted terrorists Anders Behring Breivik and Rakhmat Akilov. The pivotal question of the study is whether this coverage differs depending on factors such as each perpetrator’s ethnicity and political beliefs. LÄS MER

  4. 4. Upphovsrättsligt intrång vid automatiserad datorstödd analys av information - Om användningen av data vid text- och datautvinning innebär ett upphovsrättsligt intrång

    Kandidat-uppsats, Lunds universitet/Institutionen för handelsrätt

    Författare :Linn Månsson; [2020]
    Nyckelord :Immaterialrätt; upphovsrätt; ensamrätt; exemplarframställning; Copyright; Text- och datautvinning; Text och data mining; DSM-direktivet; KDD; tillfällig exemplarframställning; mode algoritmer; myndighetsbeslut; Government decisions; fashion algorithms; Infosoc-direktivet; Intellectual property; IP; Artificiell intelligens; AI; intrång; EU-rätt; EU-law; DSM-directive; Law and Political Science;

    Sammanfattning : The essay studies the problem between text and data mining (TDM) and copyrighted works. Through technological development, TDM is used, among other things, to make automated decisions in the authorities and in the fashion industry as tools that find similarities between different garments. LÄS MER

  5. 5. Customer Behaviour Analysis of E-commerce : What information can we get from customers' reviews through big data analysis

    Magister-uppsats, KTH/Entreprenörskap och Innovation

    Författare :Kelvin Soen; Bo Yin; [2019]
    Nyckelord :Customer behaviour analysis; Online reviews; text analysis; cultures; genders; e-commerce;

    Sammanfattning : Online transactions have been growing exponentially in the last decade, contributing to up to 11% of total retail sales. One of the parameters of success in online transactions are online reviews where customers have the chance to assign level of satisfaction regarding their purchase. LÄS MER