Sökning: "lexicon based"

Visar resultat 6 - 10 av 49 uppsatser innehållade orden lexicon based.

  1. 6. Sentiment Analysis Of IMDB Movie Reviews : A comparative study of Lexicon based approach and BERT Neural Network model

    Kandidat-uppsats, Blekinge Tekniska Högskola/Institutionen för datavetenskap

    Författare :Prashuna Sai Surya Vishwitha Domadula; Sai Sumanwita Sayyaparaju; [2023]
    Nyckelord :Bag of Words BoW ; Deep Learning; IMDb Movie Reviews; Machine Learning; Natural Language Processing NLP ; Sentiment Analysis; Term Frequency- Inverse Document Frequency TF-IDF .;

    Sammanfattning : Background: Movies have become an important marketing and advertising tool that can influence consumer behaviour and trends. Reading film reviews is an im- important part of watching a movie, as it can help viewers gain a general under- standing of the film. And also, provide filmmakers with feedback on how their work is being received. LÄS MER

  3. 7. Exploring toxic lexicon similarity methods with the DRG framework on the toxic style transfer task

    Master-uppsats, KTH/Skolan för elektroteknik och datavetenskap (EECS)

    Författare :Martin Iglesias; [2023]
    Nyckelord :Detoxifcation; Text style transfer; Deep learning; Transformers; Linguistics; Natural Language Processing; Hate speech; Text style-conditional generation; Large language model; Avgiftning; Överföring av textstil; Djupinlärning; Transformatorer; Lingvistik; Naturlig språkbehandling; Hatprat; Textstil - villkorlig generering; Stor språkmodell;

    Sammanfattning : The topic of this thesis is the detoxification of language in social networks with a particular focus on style transfer techniques that combine deep learning and linguistic resources. In today’s digital landscape, social networks are rife with communication that can often be toxic, either intentionally or unintentionally. LÄS MER

  4. 8. Stock Price Prediction with Social Media Sentiment

    Kandidat-uppsats, Göteborgs universitet/Företagsekonomiska institutionen

    Författare :Marco Cuskic; Christian Nilsson; Marcus Remgård; [2022-07-06]
    Nyckelord :Sentiment analysis; Machine learning; Financial time series; Stock price; Long Short-Term Memory;

    Sammanfattning : This thesis investigates the correlation effects between social media sentiments and the stock price of AMZN and TSLA, by utilizing pre-trained machine learning models, so-called transformers, and lexicon-based models. The comments were fetched from two sources, Reddit and Twitter. LÄS MER

  5. 9. Post-processing of optical character recognition for Swedish addresses

    Master-uppsats, KTH/Skolan för elektroteknik och datavetenskap (EECS)

    Författare :Moa Andersson; [2022]
    Nyckelord :OCR; OCR post-processing; OCR post-correction; NMT; Lexical model; OCR; efterbehandling för OCR; post-korrigering för OCR; NMT; lexikal modell;

    Sammanfattning : ​​Optical character recognition (Optical Character Recognition (OCR)) has many applications, such as digitizing historical documents, automating processes, and helping visually impaired people read. However, extracting text from images into a digital format is not an easy problem to solve, and the outputs from the OCR frameworks often include errors. LÄS MER

  7. 10. The Semantics of Old Irish Landscape Vocabulary : Differentiation and Cognitive Linguistic Categorization

    Master-uppsats, Uppsala universitet/Institutionen för lingvistik och filologi

    Författare :Rebecca Madlener; [2022]
    Nyckelord :Old Irish; Historical Semantics; Landscape Semantics; Semantic Differentiation; Cognitive Semantic Categorization;

    Sammanfattning : This project investigates the cognitive linguistic categories that structure the Old Irish landscape lexicon. The semantics of basic landscape vocabulary are differentiated based on collocate analysis and close reading of relevant text passages. LÄS MER