1 code implementation • 2 Aug 2023 • Jetze Schuurmans, Flavius Frasincar
In all datasets the hierarchical softmax improved on the regular softmax used in a flat classifier in terms of macro-F1 and macro-recall.
no code implementations • 27 Mar 2022 • Gianni Brauwers, Flavius Frasincar
Attention is an important mechanism that can be employed for a variety of deep learning models across many different domains and tasks.
no code implementations • 27 Mar 2022 • Gianni Brauwers, Flavius Frasincar
With the constantly growing number of reviews and other sentiment-bearing texts on the Web, the demand for automatic sentiment analysis algorithms continues to expand.
1 code implementation • 29 Nov 2021 • Ron Hochstenbach, Flavius Frasincar, Maria Mihaela Trusca
The increasing popularity of the Web has subsequently increased the abundance of reviews on products and services.
Aspect-Based Sentiment Analysis Aspect-Based Sentiment Analysis (ABSA)
no code implementations • 16 Nov 2021 • Tatev Karen Aslanyan, Flavius Frasincar
Most of the existing recommender systems are based only on the rating data, and they ignore other sources of information that might increase the quality of recommendations, such as textual reviews, or user and item characteristics.
1 code implementation • 29 Mar 2021 • Lisa Meijer, Flavius Frasincar, Maria Mihaela Trusca
Many high performance machine learning models for Aspect-Based Sentiment Classification (ABSC) produce black box models, and therefore barely explain how they classify a certain sentiment value towards an aspect.
1 code implementation • 29 Mar 2021 • Tomas Liesting, Flavius Frasincar, Maria Mihaela Trusca
Data augmentation is a way to increase the diversity of available data by applying constrained transformations on the original data.
Aspect-Based Sentiment Analysis Aspect-Based Sentiment Analysis (ABSA) +2
no code implementations • 19 Apr 2020 • Gino V. H. Mangnoesing, Maria Mihaela Trusca, Flavius Frasincar
Online reviews are an important source of feedback for understanding customers.
2 code implementations • 18 Apr 2020 • Maria Mihaela Trusca, Daan Wassenberg, Flavius Frasincar, Rommert Dekker
In this paper we extend the state-of-the-art Hybrid Approach for Aspect-Based Sentiment Analysis (HAABSA) method in two directions.
Aspect-Based Sentiment Analysis Aspect-Based Sentiment Analysis (ABSA) +1
no code implementations • SEMEVAL 2017 • Kim Schouten, Flavius Frasincar, Franciska de Jong
This paper describes our submission to Task 5 of SemEval 2017, Fine-Grained Sentiment Analysis on Financial Microblogs and News, where we limit ourselves to performing sentiment analysis on news headlines only (track 2).