Essays about: "sentiment analysis"

Showing result 1 - 5 of 130 essays containing the words sentiment analysis.

  1. 1. Data Segmentation Using NLP: Gender and Age

    University essay from Uppsala universitet/Avdelningen för datalogi; Uppsala universitet/Avdelningen för datalogi

    Author : Gustav Demmelmaier; Carl Westerberg; [2021]
    Keywords : Natural language processing; NLP; sentiment analysis; machine learning; demographics; demographic factors; gender; age; ethics;

    Abstract : Natural language processing (NLP) opens the possibilities for a computer to read, decipher, and interpret human languages to eventually use it in ways that enable yet further understanding of the interaction and communication between the human and the computer. When appropriate data is available, NLP makes it possible to determine not only the sentiment information of a text but also information about the author behind an online post. READ MORE

  2. 2. Evaluation of Approaches for Representation and Sentiment of Customer Reviews

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

    Author : Stavros Giorgis; [2021]
    Keywords : machine learning; nlp; text analytics; sentiment analysis; transformers; tfidf; bow; fasttext; word2vec; bert; xlnet; roberta; maskininlärning; nlp; textanalys; sentimentanalys; transformatorer; tfidf; bow; fasttext; word2vec; bert; xlnet; roberta;

    Abstract : Classification of sentiment on customer reviews is a real-world application for many companies that offer text analytics and opinion extraction on customer reviews on different domains such as consumer electronics, hotels, restaurants, and car rental agencies. Natural Language Processing’s latest progress has seen the development of many new state-of-the-art approaches for representing the meaning of sentences, phrases, and words in the text using vector space models, so-called embeddings. READ MORE

  3. 3. Computational Analysis of Swedish Newspapers  Using Topic Detection and Sentiment Analysis

    University essay from Uppsala universitet/Institutionen för informationsteknologi

    Author : Simon Wallbing; [2021]
    Keywords : ;

    Abstract : Newspapers might report on the same event, say a sport event or a political statement, but since they most likely differ in the presentation, are the content and under laying message of the articles actually the same? A human can read two separate articles and determine if they touch similar subjects and if they approach the subject in a positive or negative way. If this comparison would be preformed over several thousand of articles a computer would very much be the preferred method. READ MORE

  4. 4. Predicting the Movement Direction of OMXS30 Stock Index Using XGBoost and Sentiment Analysis

    University essay from Blekinge Tekniska Högskola/Institutionen för datavetenskap

    Author : Podasca Elena; [2021]
    Keywords : Machine learning; XGBoost; Sentiment analysis; Stock market prediction; OMXS30;

    Abstract : Background. Stock market prediction is an active yet challenging research area. A lot of effort has been put in by both academia and practitioners to produce accurate stock market predictions models, in the attempt to maximize investment objectives. Tree-based ensemble machine learning methods such as XGBoost have proven successful in practice. READ MORE

  5. 5. Shift in Opinion or Change of Expression Public Reaction on Twitter to Abortion Policy Changes

    University essay from Göteborgs universitet/Statsvetenskapliga institutionen

    Author : Klara Lindahl; [2020-09-21]
    Keywords : ;

    Abstract : In 2019, nine US states voted on drastic policy changes to restrict access to abortion. Did the American population react to these policy changes, and if so how? Theory suggests that if the public disagrees with the policy changes, public opinion moves in the opposite direction of the policies. This is referred to as the Thermostat theory. READ MORE