Search Results for author: Dang Pham

Found 4 papers, 1 papers with code

Follow the Water: Finding Water, Snow and Clouds on Terrestrial Exoplanets with Photometry and Machine Learning

no code implementations8 Mar 2022 Dang Pham, Lisa Kaltenegger

The results show that the use of machine learning to identify water on the surface of exoplanets from broadband-filter photometry provides a promising initial characterisation tool of water in different forms.

Machine Learning

Auto-Encoding Variational Bayes for Inferring Topics and Visualization

1 code implementation COLING 2020 Dang Pham, Tuan M. V. Le

Recent approaches propose using a generative model to jointly find topics and visualization, allowing the semantics to be infused in the visualization space for a meaningful interpretation.

Dimensionality Reduction

Combination of Domain Knowledge and Deep Learning for Sentiment Analysis of Short and Informal Messages on Social Media

no code implementations16 Feb 2019 Khuong Vo, Tri Nguyen, Dang Pham, Mao Nguyen, Minh Truong, Trung Mai, Tho Quan

However, when applied with real data obtained from social media, we notice that there is a high volume of short and informal messages posted by users on those channels.

Data Augmentation Natural Language Processing +3

Combination of Domain Knowledge and Deep Learning for Sentiment Analysis

no code implementations22 Jun 2018 Khuong Vo, Dang Pham, Mao Nguyen, Trung Mai, Tho Quan

In particular, when analyzing the applications of deep learning in sentiment analysis, we found that the current approaches are suffering from the following drawbacks: (i) the existing works have not paid much attention to the importance of different types of sentiment terms, which is an important concept in this area; and (ii) the loss function currently employed does not well reflect the degree of error of sentiment misclassification.

Sentiment Analysis

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