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Word embeddings are a fundamental tool in natural language processing. Currently, word embedding methods are evaluated on the basis of empirical performance on benchmark data sets, and there is a lack of rigorous understanding of their…

统计方法学 · 统计学 2023-01-18 Neil Dey , Matthew Singer , Jonathan P. Williams , Srijan Sengupta

Cognitive decline is a natural part of aging. However, under some circumstances, this decline is more pronounced than expected, typically due to disorders such as Alzheimer's disease. Early detection of an anomalous decline is crucial, as…

In this paper, we compare various methods to compress a text using a neural model. We find that extracting tokens as latent variables significantly outperforms the state-of-the-art discrete latent variable models such as VQ-VAE.…

计算与语言 · 计算机科学 2019-01-28 Aran Komatsuzaki

In comparison with document summarization on the articles from social media and newswire, argumentative zoning (AZ) is an important task in scientific paper analysis. Traditional methodology to carry on this task relies on feature…

计算与语言 · 计算机科学 2017-03-30 Haixia Liu

This paper is motivated by the automation of neuropsychological tests involving discourse analysis in the retellings of narratives by patients with potential cognitive impairment. In this scenario the task of sentence boundary detection in…

计算与语言 · 计算机科学 2017-08-17 Marcos V. Treviso , Christopher D. Shulby , Sandra M. Aluisio

In information retrieval (IR) and related tasks, term weighting approaches typically consider the frequency of the term in the document and in the collection in order to compute a score reflecting the importance of the term for the…

机器学习 · 计算机科学 2021-09-22 Alejandro Moreo Fernández , Andrea Esuli , Fabrizio Sebastiani

Automatic fact-checking systems detect misinformation, such as fake news, by (i) selecting check-worthy sentences for fact-checking, (ii) gathering related information to the sentences, and (iii) inferring the factuality of the sentences.…

信息检索 · 计算机科学 2019-03-21 Casper Hansen , Christian Hansen , Stephen Alstrup , Jakob Grue Simonsen , Christina Lioma

Alzheimer's Dementia (AD) is an incurable, debilitating, and progressive neurodegenerative condition that affects cognitive function. Early diagnosis is important as therapeutics can delay progression and give those diagnosed vital time.…

机器学习 · 计算机科学 2023-02-28 Thomas Searle , Zina Ibrahim , Richard Dobson

Clinical text classification is an important problem in medical natural language processing. Existing studies have conventionally focused on rules or knowledge sources-based feature engineering, but only a few have exploited effective…

计算与语言 · 计算机科学 2018-07-23 Liang Yao , Chengsheng Mao , Yuan Luo

There is an escalating need for methods to identify latent patterns in text data from many domains. We introduce a new method to identify topics in a corpus and represent documents as topic sequences. Discourse Atom Topic Modeling draws on…

计算与语言 · 计算机科学 2022-10-06 Alina Arseniev-Koehler , Susan D. Cochran , Vickie M. Mays , Kai-Wei Chang , Jacob Gates Foster

Classification models are very sensitive to data uncertainty, and finding robust classifiers that are less sensitive to data uncertainty has raised great interest in the machine learning literature. This paper aims to construct robust…

机器学习 · 统计学 2022-03-01 Vali Asimit , Ioannis Kyriakou , Simone Santoni , Salvatore Scognamiglio , Rui Zhu

Clinical characterization and interpretation of respiratory sound symptoms have remained a challenge due to the similarities in the audio properties that manifest during auscultation in medical diagnosis. The misinterpretation and…

系统与控制 · 电气工程与系统科学 2021-10-18 Chinazunwa Uwaoma , Gunjan Mansingh

Text classification is one of the most frequent tasks for processing textual data, facilitating among others research from large-scale datasets. Embeddings of different kinds have recently become the de facto standard as features used for…

计算与语言 · 计算机科学 2020-09-03 Arkaitz Zubiaga

For many psychiatric disorders, neuroimaging offers a potential for revolutionizing diagnosis, and potentially treatment, by providing access to preverbal mental processes. In their study "Machine learning of neural representations of…

神经元与认知 · 定量生物学 2021-11-02 Timothy Verstynen , Konrad Kording

Deceptive text classification is a critical task in natural language processing that aims to identify deceptive o fraudulent content. This study presents a comparative analysis of machine learning and transformer-based approaches for…

计算与语言 · 计算机科学 2023-08-14 Anusuya Krishnan

There are different algorithms for vocal fold pathology diagnosis. These algorithms usually have three stages which are Feature Extraction, Feature Reduction and Classification. While the third stage implies a choice of a variety of machine…

机器学习 · 计算机科学 2013-02-08 Vahid Majidnezhad , Igor Kheidorov

Dementia encompasses a group of syndromes that impair cognitive functions such as memory, reasoning, and the ability to perform daily activities. As populations globally age, over 10 million new dementia diagnoses are reported annually.…

音频与语音处理 · 电气工程与系统科学 2026-04-24 Marko Niemelä , Mikaela von Bonsdorff , Sami Äyrämö , Tommi Kärkkäinen

The demand for text classification is growing significantly in web searching, data mining, web ranking, recommendation systems, and so many other fields of information and technology. This paper illustrates the text classification process…

计算与语言 · 计算机科学 2025-09-03 Sadia Zaman Mishu , S M Rafiuddin

Text features that are correlated with class labels, but do not directly cause them, are sometimesuseful for prediction, but they may not be insightful. As an alternative to traditional correlation-basedfeature selection, causal inference…

机器学习 · 计算机科学 2020-10-12 Guohou Shan , James Foulds , Shimei Pan

The medical domain is often subject to information overload. The digitization of healthcare, constant updates to online medical repositories, and increasing availability of biomedical datasets make it challenging to effectively analyze the…

机器学习 · 计算机科学 2022-08-03 Ozan Ozyegen , Devika Kabe , Mucahit Cevik