Sökning: "Eirini Tsakiri"

Hittade 1 uppsats innehållade orden Eirini Tsakiri.

  1. 1. Semi-supervised Sentiment Analysis for Sentence Classification

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

    Författare :Eirini Tsakiri; [2022]
    Nyckelord :sentiment analysis; text classification; semi-supervised learning; machine learning;

    Sammanfattning : In our work, we deploy semi-supervised learning methods to perform Sentiment Analysis on a corpus of sentences, meant to be labeled as either happy, neutral, sad, or angry. Sentence-BERT is used to obtain high-dimensional embeddings for the sentences in the training and testing sets, on which three classification methods are applied: the K-Nearest Neighbors classifier (KNN), Label Propagation, and Label Spreading. LÄS MER