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This study compares Term Frequency-Inverse Document Frequency (TF-IDF) features with Sentence Transformers for detecting writers' stances--favorable, opposing, or neutral--towards three significant topics: COVID-19 vaccine, digital…

Computation and Language · Computer Science 2024-07-19 Mohamed Lichouri , Khaled Lounnas , Khelil Rafik Ouaras , Mohamed Abi , Anis Guechtouli

Supervised fine-tuning (SFT) is a standard approach to adapting large language models (LLMs) to new domains. In this work, we improve the statistical efficiency of SFT by selecting an informative subset of training examples. Specifically,…

Machine Learning · Computer Science 2025-05-22 Rohan Deb , Kiran Thekumparampil , Kousha Kalantari , Gaurush Hiranandani , Shoham Sabach , Branislav Kveton

Training deep neural networks from scratch on natural language processing (NLP) tasks requires significant amount of manually labeled text corpus and substantial time to converge, which usually cannot be satisfied by the customers. In this…

Computation and Language · Computer Science 2019-10-29 Yunzhe Tao , Saurabh Gupta , Satyapriya Krishna , Xiong Zhou , Orchid Majumder , Vineet Khare

Approaches for the stance classification task, an important task for understanding argumentation in debates and detecting fake news, have been relying on models which deal with individual debate topics. In this paper, in order to train a…

Computation and Language · Computer Science 2022-04-28 Lifeng Jin , Kun Xu , Linfeng Song , Dong Yu

Sentiment analysis, a popular technique for opinion mining, has been used by the software engineering research community for tasks such as assessing app reviews, developer emotions in issue trackers and developer opinions on APIs. Past…

Computation and Language · Computer Science 2018-12-27 Achyudh Ram , Meiyappan Nagappan

Twitter is a social network that offers a rich and interesting source of information challenging to retrieve and analyze. Twitter data can be accessed using a REST API. The available operations allow retrieving tweets on the basis of a set…

Information Retrieval · Computer Science 2021-10-13 Ahmad Khazaie , Nacéra Bennacer Seghouani , Francesca Bugiotti

Sentiment quantification is the task of training, by means of supervised learning, estimators of the relative frequency (also called ``prevalence'') of sentiment-related classes (such as \textsf{Positive}, \textsf{Neutral},…

Computation and Language · Computer Science 2021-09-21 Alejandro Moreo , Fabrizio Sebastiani

Multi-emotion sentiment classification is a natural language processing (NLP) problem with valuable use cases on real-world data. We demonstrate that large-scale unsupervised language modeling combined with finetuning offers a practical…

Computation and Language · Computer Science 2018-12-05 Neel Kant , Raul Puri , Nikolai Yakovenko , Bryan Catanzaro

Transformer-based Neural Language Models achieve state-of-the-art performance on various natural language processing tasks. However, an open question is the extent to which these models rely on word-order/syntactic or word…

Computation and Language · Computer Science 2024-03-05 Vasudevan Nedumpozhimana , John D. Kelleher

Sentiment analysis of social media data consists of attitudes, assessments, and emotions which can be considered a way human think. Understanding and classifying the large collection of documents into positive and negative aspects are a…

Computation and Language · Computer Science 2020-07-16 Aditya Sharma , Alex Daniels

We explore the idea of automatically crafting a tuning dataset for Statistical Machine Translation (SMT) that makes the hyper-parameters of the SMT system more robust with respect to some specific deficiencies of the parameter tuning…

Computation and Language · Computer Science 2017-10-03 Preslav Nakov , Stephan Vogel

The massive scale and growth of textual biomedical data have made its indexing and classification increasingly important. However, existing research on this topic mainly utilized convolutional and recurrent neural networks, which generally…

Computation and Language · Computer Science 2022-03-08 Bruce Nguyen , Shaoxiong Ji

Detecting and classifying instances of hate in social media text has been a problem of interest in Natural Language Processing in the recent years. Our work leverages state of the art Transformer language models to identify hate speech in a…

Computation and Language · Computer Science 2021-01-12 Sayar Ghosh Roy , Ujwal Narayan , Tathagata Raha , Zubair Abid , Vasudeva Varma

This paper introduces a novel deep learning framework including a lexicon-based approach for sentence-level prediction of sentiment label distribution. We propose to first apply semantic rules and then use a Deep Convolutional Neural…

Computation and Language · Computer Science 2017-06-27 Huy Nguyen , Minh-Le Nguyen

Contemporary datasets on tobacco consumption focus on one of two topics, either public health mentions and disease surveillance, or sentiment analysis on topical tobacco products and services. However, two primary considerations are not…

Computation and Language · Computer Science 2020-06-16 Kartikey Pant , Venkata Himakar Yanamandra , Alok Debnath , Radhika Mamidi

Self-attention mechanisms have enabled transformers to achieve superhuman-level performance on many speech-to-text (STT) tasks, yet the challenge of automatic prosodic segmentation has remained unsolved. In this paper we finetune Whisper, a…

Computation and Language · Computer Science 2025-02-28 Nathan Roll , Calbert Graham , Simon Todd

Sentiment analysis on social media such as Twitter provides organizations and individuals an effective way to monitor public emotions towards them and their competitors. As a result, sentiment analysis has become an important and…

Computation and Language · Computer Science 2022-12-06 Md Parvez Mollah

Data scarcity has been the main factor that hinders the progress of event extraction. To overcome this issue, we propose a Self-Training with Feedback (STF) framework that leverages the large-scale unlabeled data and acquires feedback for…

Computation and Language · Computer Science 2023-08-03 Zhiyang Xu , Jay-Yoon Lee , Lifu Huang

Social media such as Twitter provide valuable information to crisis managers and affected people during natural disasters. Machine learning can help structure and extract information from the large volume of messages shared during a crisis;…

Computation and Language · Computer Science 2021-03-23 Mikael Brunila , Rosie Zhao , Andrei Mircea , Sam Lumley , Renee Sieber

In this paper, we present TwiSent, a sentiment analysis system for Twitter. Based on the topic searched, TwiSent collects tweets pertaining to it and categorizes them into the different polarity classes positive, negative and objective.…

Information Retrieval · Computer Science 2012-09-19 Subhabrata Mukherjee , Akshat Malu , A. R. Balamurali , Pushpak Bhattacharyya