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Tokenization strategies shape how models process electronic health records, yet fair comparisons of their effectiveness remain limited. We present a systematic evaluation of tokenization approaches for clinical time series modeling using…

机器学习 · 计算机科学 2025-12-08 Rafi Al Attrach , Rajna Fani , David Restrepo , Yugang Jia , Peter Schüffler

To interpret the genetic profile present in a patient sample, it is necessary to know which mutations have important roles in the development of the corresponding cancer type. Named entity recognition is a core step in the text mining…

计算与语言 · 计算机科学 2021-06-16 Jiarun Cao , Elke M van Veen , Niels Peek , Andrew G Renehan , Sophia Ananiadou

In this paper, we present our approach to extracting structured information from unstructured Electronic Health Records (EHR) [2] which can be used to, for example, study adverse drug reactions in patients due to chemicals in their…

计算与语言 · 计算机科学 2020-01-30 Amogh Kamat Tarcar , Aashis Tiwari , Vineet Naique Dhaimodker , Penjo Rebelo , Rahul Desai , Dattaraj Rao

Objective: To comparatively evaluate several transformer model architectures at identifying protected health information (PHI) in the i2b2/UTHealth 2014 clinical text de-identification challenge corpus. Methods: The i2b2/UTHealth 2014…

计算与语言 · 计算机科学 2022-04-15 Christopher Meaney , Wali Hakimpour , Sumeet Kalia , Rahim Moineddin

The thesis explores the role machine learning methods play in creating intuitive computational models of neural processing. Combined with interpretability techniques, machine learning could replace human modeler and shift the focus of human…

神经元与认知 · 定量生物学 2020-10-20 Ilya Kuzovkin

Lately, the children with speech disorder have more and more become object of specialists attention and investment in speech disorder therapy are increasing The development and use of information technology in order to assist and follow…

计算机与社会 · 计算机科学 2018-12-13 Mirela Danubianu , Stefan Gheorghe Pentiuc , Iolanda Tobolcea , Tiberiu Socaciu

Objective: Text mining of clinical notes embedded in electronic medical records is increasingly used to extract patient characteristics otherwise not or only partly available, to assess their association with relevant health outcomes. As…

计算与语言 · 计算机科学 2023-01-18 Madhumita Sushil , Atul J. Butte , Ewoud Schuit , Maarten van Smeden , Artuur M. Leeuwenberg

Past studies on the ICD coding problem focus on predicting clinical codes primarily based on the discharge summary. This covers only a small fraction of the notes generated during each hospital stay and leaves potential for improving…

机器学习 · 计算机科学 2023-02-27 Clarence Boon Liang Ng , Diogo Santos , Marek Rei

The automation of extracting argument structures faces a pair of challenges on (1) encoding long-term contexts to facilitate comprehensive understanding, and (2) improving data efficiency since constructing high-quality argument structures…

计算与语言 · 计算机科学 2022-04-05 Xinyu Hua , Lu Wang

The shift to electronic medical records (EMRs) has engendered research into machine learning and natural language technologies to analyze patient records, and to predict from these clinical outcomes of interest. Two observations motivate…

计算与语言 · 计算机科学 2019-04-09 Sarthak Jain , Ramin Mohammadi , Byron C. Wallace

The aim of our research was to apply well-known data mining techniques (such as linear neural networks, multi-layered perceptrons, probabilistic neural networks, classification and regression trees, support vector machines and finally a…

人工智能 · 计算机科学 2007-05-23 Marcin Paprzycki , Ajith Abraham , Ruiyuan Guo

Text classification tasks which aim at harvesting and/or organizing information from electronic health records are pivotal to support clinical and translational research. However these present specific challenges compared to other…

计算与语言 · 计算机科学 2020-05-15 Aurelie Mascio , Zeljko Kraljevic , Daniel Bean , Richard Dobson , Robert Stewart , Rebecca Bendayan , Angus Roberts

Background: The semantics of entities extracted from a clinical text can be dramatically altered by modifiers, including entity negation, uncertainty, conditionality, severity, and subject. Existing models for determining modifiers of…

The delivery of appropriate targeted therapies to cancer patients requires the complete analysis of the molecular profiling of tumors and the patient's clinical characteristics in the context of existing knowledge and recent findings…

计算与语言 · 计算机科学 2024-12-13 Ting He , Kory Kreimeyer , Mimi Najjar , Jonathan Spiker , Maria Fatteh , Valsamo Anagnostou , Taxiarchis Botsis

Citation analysis is one of the most frequently used methods in research evaluation. We are seeing significant growth in citation analysis through bibliometric metadata, primarily due to the availability of citation databases such as the…

数字图书馆 · 计算机科学 2020-09-01 Sehrish Iqbal , Saeed-Ul Hassan , Naif Radi Aljohani , Salem Alelyani , Raheel Nawaz , Lutz Bornmann

The extraction of relevant data from Electronic Health Records (EHRs) is crucial to identifying symptoms and automating epidemiological surveillance processes. By harnessing the vast amount of unstructured text in EHRs, we can detect…

计算与语言 · 计算机科学 2025-02-10 Juliano Genari , Guilherme Tegoni Goedert

The integration of artificial intelligence [AI] into clinical trials has revolutionized the process of drug development and personalized medicine. Among these advancements, deep learning and predictive modelling have emerged as…

机器学习 · 计算机科学 2024-12-11 Sydney Anuyah , Mallika K Singh , Hope Nyavor

We conduct investigations on clinical text machine translation by examining multilingual neural network models using deep learning such as Transformer based structures. Furthermore, to address the language resource imbalance issue, we also…

计算与语言 · 计算机科学 2024-02-22 Lifeng Han , Serge Gladkoff , Gleb Erofeev , Irina Sorokina , Betty Galiano , Goran Nenadic

In a classification task, dealing with text snippets and metadata usually requires dealing with multimodal approaches. When those metadata are textual, it is tempting to use them intrinsically with a pre-trained transformer, in order to…

计算与语言 · 计算机科学 2021-11-09 Barriere Valentin , Jacquet Guillaume

The wide applicability of pretrained transformer models (PTMs) for natural language tasks is well demonstrated, but their ability to comprehend short phrases of text is less explored. To this end, we evaluate different PTMs from the lens of…

计算与语言 · 计算机科学 2021-12-16 Sai Muralidhar Jayanthi , Varsha Embar , Karthik Raghunathan