Low-dimensional text representations for sentiment analysis NLP tasks

L Akritidis, P Bozanis - SN Computer Science, 2023 - Springer
Abstract Natural Language Processing (NLP) is presently among the hottest scientific fields
with an enormous growth rate of the relevant research. Sentiment analysis is a popular NLP …

A context-enhanced Dirichlet model for online clustering in short text streams

J Kumar, J Shao, R Kumar, SU Din, CB Mawuli… - Expert Systems with …, 2023 - Elsevier
Online clustering of short text streams has become significant due to the popularity of news
and social media platforms. The objective of online clustering is to maintain active topics …

Improving hierarchical short text clustering through dominant feature learning

L Akritidis, M Alamaniotis, A Fevgas… - … Journal on Artificial …, 2022 - World Scientific
This paper focuses on the popular problem of short text clustering. Since the short text
documents typically exhibit high degrees of data sparseness and dimensionality, the …

[HTML][HTML] Revolutionary text clustering: Investigating transfer learning capacity of SBERT models through pooling techniques

Y Ortakci - Engineering Science and Technology, an International …, 2024 - Elsevier
Abstract Large Language Models (LLMs), one of the most advanced representatives of
neural networks, have revolutionized the field of natural language processing. Among the …

Lifting the curse: Exploring dimensionality reduction on text clustering applications

L Akritidis, P Bozanis - 2022 13th International Conference on …, 2022 - ieeexplore.ieee.org
Nowadays, huge amounts of text are being generated on the Web by a vast number of
applications. Examples of such applications include instant messengers, social networks, e …

A novel deep fully convolutional encoder-decoder network and similarity analysis for English education text event clustering analysis

Z **g - Computer Science and Information Systems, 2024 - doiserbia.nb.rs
Education event clustering for social media aims to achieve short text clustering according to
event characteristics in online social networks. Traditional text event clustering has the …

A Scalable Short-Text Clustering Algorithm Using Apache Spark

L Akritidis, M Alamaniotis, A Fevgas… - 2021 IEEE 33rd …, 2021 - ieeexplore.ieee.org
Short text clustering deals with the problem of grou** together semantically similar
documents with small lengths. Nowadays, huge amounts of text data is being generated by …

Clustering Approach for Detecting Multiple Types of Adversarial Examples

SH Choi, T Bahk, S Ahn, YH Choi - Sensors, 2022 - mdpi.com
With intentional feature perturbations to a deep learning model, the adversary generates an
adversarial example to deceive the deep learning model. As an adversarial example has …