Search Results for author: Jaya Chaturvedi

Found 5 papers, 2 papers with code

Sample Size in Natural Language Processing within Healthcare Research

no code implementations5 Sep 2023 Jaya Chaturvedi, Diana Shamsutdinova, Felix Zimmer, Sumithra Velupillai, Daniel Stahl, Robert Stewart, Angus Roberts

The simulations conducted within this study provide guidelines that can be used as recommendations for selecting appropriate sample sizes and class proportions, and for predicting expected performance, when building classifiers for textual healthcare data.

text-classification Text Classification

Development of a Knowledge Graph Embeddings Model for Pain

1 code implementation17 Aug 2023 Jaya Chaturvedi, Tao Wang, Sumithra Velupillai, Robert Stewart, Angus Roberts

This paper describes the construction of such knowledge graph embedding models of pain concepts, extracted from the unstructured text of mental health electronic health records, combined with external knowledge created from relations described in SNOMED CT, and their evaluation on a subject-object link prediction task.

Knowledge Graph Embedding Knowledge Graph Embeddings +2

Development of a Corpus Annotated with Medications and their Attributes in Psychiatric Health Records

no code implementations LREC 2020 Jaya Chaturvedi, Natalia Viani, Jyoti Sanyal, Chloe Tytherleigh, Idil Hasan, Kate Baird, Sumithra Velupillai, Robert Stewart, Angus Roberts

The purpose of this analysis was to understand the complexity of medication mentions and their associated temporal information in the free text of EHRs, with a specific focus on the mental health domain.

Identifying physical health comorbidities in a cohort of individuals with severe mental illness: An application of SemEHR

no code implementations7 Feb 2020 Rebecca Bendayan, Honghan Wu, Zeljko Kraljevic, Robert Stewart, Tom Searle, Jaya Chaturvedi, Jayati Das-Munshi, Zina Ibrahim, Aurelie Mascio, Angus Roberts, Daniel Bean, Richard Dobson

Multimorbidity research in mental health services requires data from physical health conditions which is traditionally limited in mental health care electronic health records.

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