AIMC Journal:
Journal of biomedical informatics

Showing 481 to 490 of 650 articles

Assessing the practice of biomedical ontology evaluation: Gaps and opportunities.

Journal of biomedical informatics Feb 17, 2018
With the proliferation of heterogeneous health care data in the last three decades, biomedical ontologies and controlled biomedical terminologies play a more and more important role in knowledge representation and management, data integration, natura...
Humans Medical Informatics Semantics Electronic Health Records Biological Ontologies Quality Assurance, Health Care
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Auditing SNOMED CT hierarchical relations based on lexical features of concepts in non-lattice subgraphs.

Journal of biomedical informatics Dec 20, 2017
OBJECTIVE: We introduce a structural-lexical approach for auditing SNOMED CT using a combination of non-lattice subgraphs of the underlying hierarchical relations and enriched lexical attributes of fully specified concept names. Our goal is to develo...
Humans Data Mining Quality Assurance, Health Care Algorithms Electronic Health Records Biological Ontologies Medical Audit Semantics Systematized Nomenclature of Medicine
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Vector representations of multi-word terms for semantic relatedness.

Journal of biomedical informatics Dec 13, 2017
This paper presents a comparison between several multi-word term aggregation methods of distributional context vectors applied to the task of semantic similarity and relatedness in the biomedical domain. We compare the multi-word term aggregation met...
Unified Medical Language System Natural Language Processing Semantics Humans Machine Learning Reproducibility of Results Biomedical Research
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Radiology report annotation using intelligent word embeddings: Applied to multi-institutional chest CT cohort.

Journal of biomedical informatics Nov 23, 2017
We proposed an unsupervised hybrid method - Intelligent Word Embedding (IWE) that combines neural embedding method with a semantic dictionary mapping technique for creating a dense vector representation of unstructured radiology reports. We applied I...
Humans Radiographic Image Interpretation, Computer-Assisted Neural Networks, Computer Predictive Value of Tests Machine Learning Semantics Natural Language Processing Radiography, Thoracic Pulmonary Embolism Tomography, X-Ray Computed
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Recurrent neural networks with specialized word embeddings for health-domain named-entity recognition.

Journal of biomedical informatics Nov 13, 2017
BACKGROUND: Previous state-of-the-art systems on Drug Name Recognition (DNR) and Clinical Concept Extraction (CCE) have focused on a combination of text "feature engineering" and conventional machine learning algorithms such as conditional random fie...
Algorithms Databases, Factual Neural Networks, Computer Machine Learning Humans
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A novel bagging C4.5 algorithm based on wrapper feature selection for supporting wise clinical decision making.

Journal of biomedical informatics Nov 11, 2017
From the perspective of clinical decision-making in a Medical IoT-based healthcare system, achieving effective and efficient analysis of long-term health data for supporting wise clinical decision-making is an extremely important objective, but deter...
Data Mining Clinical Decision-Making Decision Support Systems, Clinical Humans Machine Learning Algorithms Electronic Health Records
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A natural language processing challenge for clinical records: Research Domains Criteria (RDoC) for psychiatry.

Journal of biomedical informatics Oct 16, 2017
Natural Language Processing Psychiatry Medical Records
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Classifying patient portal messages using Convolutional Neural Networks.

Journal of biomedical informatics Aug 30, 2017
OBJECTIVE: Patients communicate with healthcare providers via secure messaging in patient portals. As patient portal adoption increases, growing messaging volumes may overwhelm providers. Prior research has demonstrated promise in automating classifi...
Patient Portals Algorithms Humans Computer Graphics Neural Networks, Computer
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Monitoring stress with a wrist device using context.

Journal of biomedical informatics Aug 10, 2017
Being able to detect stress as it occurs can greatly contribute to dealing with its negative health and economic consequences. However, detecting stress in real life with an unobtrusive wrist device is a challenging task. The objective of this study ...
Wrist Life Change Events Monitoring, Physiologic Signal Processing, Computer-Assisted Humans Machine Learning Stress, Psychological
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Identification of immune correlates of protection in Shigella infection by application of machine learning.

Journal of biomedical informatics Aug 9, 2017
BACKGROUND: Immunologic correlates of protection are important in vaccine development because they give insight into mechanisms of protection, assist in the identification of promising vaccine candidates, and serve as endpoints in bridging clinical v...
Algorithms Humans Dysentery, Bacillary Immunoglobulin G Logistic Models Machine Learning Models, Biological
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