Essays about: "Bag of Words BoW"

Showing result 1 - 5 of 7 essays containing the words Bag of Words BoW.

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

   University essay from Blekinge Tekniska Högskola/Institutionen för datavetenskap

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

   Abstract : 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. READ MORE

3. 2. Automatic Change Detection in Visual Scenes

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

   Author : Morgan Brolin; [2021]
   Keywords : Master thesis. Image retrieval; Image registration; Image change detection; Panorama creation; CNN; VGG16; Computer vision; Machine learning; Ensemble learning.; Master examensarbete; Image retrieval; Image registration; Image change detection; Panorama creation; CNN; VGG16; Computer vision; Machine learning; Ensemble learning.;

   Abstract : This thesis proposes a Visual Scene Change Detector(VSCD) system which is a system which involves four parts, image retrieval, image registration, image change detection and panorama creation. Two prestudies are conducted in order to find a proposed image registration method and a image retrieval method. READ MORE

4. 3. Genre classification using syntactic features

   University essay from Uppsala universitet/Institutionen för lingvistik och filologi

   Author : Ivan Brigadoi; [2021]
   Keywords : genre classification; text classification; machine learning;

   Abstract : This thesis work adresses text classification in relation to genre identification using different feature sets, with a focus on syntactic based features. We built our models by means of traditional machine learning algorithms, i.e. READ MORE

5. 4. 'Sorry, I didn't understand that' : A comparison of methods for intent classification for social robotics applications

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

   Author : Mikaela Åstrand; [2020]
   Keywords : ;

   Abstract : An important feature in a social robot is the ability to understand natural language. One of the core components in a typical system for natural language understanding (NLU) is so called intent classification; the action of classifying user utterances based on the underlying intents of the user. READ MORE

6. 5. How to explain graph-based semi-supervised learning for non-mathematicians?

   University essay from Malmö universitet/Fakulteten för teknik och samhälle (TS)

   Author : Mattias Jönsson; Lucas Borg; [2019]
   Keywords : Graph based SSL; Label Propagation; Naive Bayes’; KNN; RBF; Feature extraction; 20 newsgroup; preprocessing; graph construction;

   Abstract : Den stora mängden tillgänglig data på internet kan användas för att förbättra förutsägelser genom maskininlärning. Problemet är att sådan data ofta är i ett obehandlat format och kräver att någon manuellt bestämmer etiketter på den insamlade datan innan den kan användas av algoritmen. READ MORE