Essays about: "text data mining"

Showing result 1 - 5 of 44 essays containing the words text data mining.

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

    University essay from Högskolan i Gävle/Avdelningen för datavetenskap och samhällsbyggnad

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

    Abstract : 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. READ MORE

  2. 2. Preprocessing method comparison and model tuning for natural language data

    University essay from Högskolan Dalarna/Mikrodataanalys

    Author : Peter Tempfli; [2020]
    Keywords : Natural language processing; sentiment analysis; machine learning;

    Abstract : Twitter and other microblogging services are a valuable source for almost real-time marketing, public opinion and brand-related consumer information mining. As such, collection and analysis of user-generated natural language content is in the focus of research regarding automated sentiment analysis. READ MORE

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

    University essay from KTH/Maskinkonstruktion (Inst.)

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

    Abstract : 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. READ MORE

  4. 4. Automatic Patent Classification

    University essay from

    Author : Nala Yehe; [2020]
    Keywords : XGBoost; support vector machine SVM ; random forest; decision tree; machine learning; text data mining; patent classification; IPC;

    Abstract : Patents have a great research value and it is also beneficial to the community of industrial, commercial, legal and policymaking. Effective analysis of patent literature can reveal important technical details and relationships, and it can also explain business trends, propose novel industrial solutions, and make crucial investment decisions. READ MORE

  5. 5. Automatic Transcription of Historical Documents : Transkribus as a Tool for Libraries, Archives and Scholars

    University essay from Uppsala universitet/Institutionen för ABM

    Author : Nikolina Milioni; [2020]
    Keywords : Digital Humanities; HTR; Historical Documents; Digital Archives; Automatic Transcription; Transkribus;

    Abstract : Digital libraries and archives are major portals to rich sources of information. They undertake large-scale digitization to enhance their digital collections and offer users valuable text data. When it comes to handwritten documents, usually these are only provided as digitized images and not accompanied by their transcriptions. READ MORE