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Much of natural language processing is focused on leveraging large capacity language models, typically trained over single messages with a task of predicting one or more tokens. However, modeling human language at higher-levels of context…

Computation and Language · Computer Science 2021-11-03 Matthew Matero , Nikita Soni , Niranjan Balasubramanian , H. Andrew Schwartz

Tokenization is a foundational step in most natural language processing (NLP) pipelines, yet it introduces challenges such as vocabulary mismatch and out-of-vocabulary issues. Recent work has shown that models operating directly on raw text…

Computation and Language · Computer Science 2025-05-05 Sumit Mamtani , Maitreya Sonawane , Kanika Agarwal , Nishanth Sanjeev

As the impact of technology on our lives is increasing, we witness increased use of social media that became an essential tool not only for communication but also for sharing information with community about our thoughts and feelings. This…

Computation and Language · Computer Science 2023-05-10 Ilija Tavchioski , Marko Robnik-Šikonja , Senja Pollak

Transformer-based models have been widely adopted for sentiment analysis tasks due to their exceptional ability to capture contextual information. However, these methods often exhibit suboptimal accuracy in certain scenarios. By analyzing…

Artificial Intelligence · Computer Science 2025-12-25 Yawei Liu

Large transformer-based language models have been shown to be very effective in many classification tasks. However, their computational complexity prevents their use in applications requiring the classification of a large set of candidates.…

Computation and Language · Computer Science 2020-05-08 Luca Soldaini , Alessandro Moschitti

The detection of depression in social media posts is crucial due to the increasing prevalence of mental health issues. Traditional machine learning algorithms often fail to capture intricate textual patterns, limiting their effectiveness in…

Computation and Language · Computer Science 2024-10-01 Marios Kerasiotis , Loukas Ilias , Dimitris Askounis

Predicting context-dependent and non-literal utterances like sarcastic and ironic expressions still remains a challenging task in NLP, as it goes beyond linguistic patterns, encompassing common sense and shared knowledge as crucial…

Computation and Language · Computer Science 2018-09-27 Suzana Ilić , Edison Marrese-Taylor , Jorge A. Balazs , Yutaka Matsuo

Self-supervised pre-trained transformers have improved the state of the art on a variety of speech tasks. Due to the quadratic time and space complexity of self-attention, they usually operate at the level of relatively short (e.g.,…

Audio and Speech Processing · Electrical Eng. & Systems 2023-03-30 Suwon Shon , Felix Wu , Kwangyoun Kim , Prashant Sridhar , Karen Livescu , Shinji Watanabe

Transformer-based language models benefit from conditioning on contexts of hundreds to thousands of previous tokens. What aspects of these contexts contribute to accurate model prediction? We describe a series of experiments that measure…

Computation and Language · Computer Science 2021-06-17 Joe O'Connor , Jacob Andreas

Effectively analyzing the comments to uncover latent intentions holds immense value in making strategic decisions across various domains. However, several challenges hinder the process of sentiment analysis including the lexical diversity…

Computation and Language · Computer Science 2025-06-27 Md. Mostafizer Rahman , Ariful Islam Shiplu , Yutaka Watanobe , Md. Ashad Alam

We propose a principle for exploring context in machine learning models. Starting with a simple assumption that each observation may or may not depend on its context, a conditional probability distribution is decomposed into two parts:…

Machine Learning · Computer Science 2019-01-23 Yun Zeng

Sarcasm detection, as a crucial research direction in the field of Natural Language Processing (NLP), has attracted widespread attention. Traditional sarcasm detection tasks have typically focused on single-modal approaches (e.g., text),…

Computation and Language · Computer Science 2025-07-04 Yazhou Zhang , Chunwang Zou , Bo Wang , Jing Qin

Topic drift is a common phenomenon in multi-turn dialogue. Therefore, an ideal dialogue generation models should be able to capture the topic information of each context, detect the relevant context, and produce appropriate responses…

Computation and Language · Computer Science 2020-09-29 Hainan Zhang , Yanyan Lan , Liang Pang , Hongshen Chen , Zhuoye Ding , Dawei Yin

Recent work in neural machine translation has demonstrated both the necessity and feasibility of using inter-sentential context -- context from sentences other than those currently being translated. However, while many current methods…

Computation and Language · Computer Science 2021-06-03 Patrick Fernandes , Kayo Yin , Graham Neubig , André F. T. Martins

Paraphrase detection is an important task in text analytics with numerous applications such as plagiarism detection, duplicate question identification, and enhanced customer support helpdesks. Deep models have been proposed for representing…

Computation and Language · Computer Science 2020-01-16 Muhammad Haroon Shakeel , Asim Karim , Imdadullah Khan

User posts whose perceived toxicity depends on the conversational context are rare in current toxicity detection datasets. Hence, toxicity detectors trained on existing datasets will also tend to disregard context, making the detection of…

Computation and Language · Computer Science 2021-11-22 Alexandros Xenos , John Pavlopoulos , Ion Androutsopoulos , Lucas Dixon , Jeffrey Sorensen , Leo Laugier

Twitter and other social media platforms have become vital sources of real time information during disasters and public safety emergencies. Automatically classifying disaster related tweets can help emergency services respond faster and…

Computation and Language · Computer Science 2026-03-16 Sharif Noor Zisad , N. M. Istiak Chowdhury , Ragib Hasan

We present a comprehensive zero-training temporal drift analysis of transformer-based sentiment models validated on authentic social media data from major real-world events. Through systematic evaluation across three transformer…

Machine Learning · Computer Science 2025-12-25 Aayam Bansal , Ishaan Gangwani

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

In this paper, we propose a deep, globally normalized topic model that incorporates structural relationships connecting documents in socially generated corpora, such as online forums. Our model (1) captures discursive interactions along…

Machine Learning · Computer Science 2020-05-11 Nikita Srivatsan , Zachary Wojtowicz , Taylor Berg-Kirkpatrick