AIMC Journal:
Journal of biomedical informatics

Showing 601 to 610 of 658 articles

Using Linked Data for polarity classification of patients' experiences.

Journal of biomedical informatics Jul 23, 2015
Polarity classification is the main subtask of sentiment analysis and opinion mining, well-known problems in natural language processing that have attracted increasing attention in recent years. Existing approaches mainly rely on the subjective part ...
Semantics Humans Patient Outcome Assessment Natural Language Processing Semantic Web
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Identifying risk factors for heart disease over time: Overview of 2014 i2b2/UTHealth shared task Track 2.

Journal of biomedical informatics Jul 22, 2015
The second track of the 2014 i2b2/UTHealth natural language processing shared task focused on identifying medical risk factors related to Coronary Artery Disease (CAD) in the narratives of longitudinal medical records of diabetic patients. The risk f...
Diabetes Complications Boston Electronic Health Records Data Mining Pattern Recognition, Automated Female Computer Security Aged Vocabulary, Controlled Male Middle Aged Humans Risk Assessment Longitudinal Studies Comorbidity Narration Incidence Natural Language Processing Cohort Studies Coronary Artery Disease Confidentiality
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Ease of adoption of clinical natural language processing software: An evaluation of five systems.

Journal of biomedical informatics Jul 22, 2015
OBJECTIVE: In recognition of potential barriers that may inhibit the widespread adoption of biomedical software, the 2014 i2b2 Challenge introduced a special track, Track 3 - Software Usability Assessment, in order to develop a better understanding o...
Middle Aged User-Computer Interface Natural Language Processing Data Mining Humans Software Pattern Recognition, Automated Electronic Health Records Attitude to Computers
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Combining knowledge- and data-driven methods for de-identification of clinical narratives.

Journal of biomedical informatics Jul 22, 2015
A recent promise to access unstructured clinical data from electronic health records on large-scale has revitalized the interest in automated de-identification of clinical notes, which includes the identification of mentions of Protected Health Infor...
Machine Learning Computer Simulation Electronic Health Records Vocabulary, Controlled Confidentiality Cohort Studies Data Mining Models, Statistical United Kingdom Narration Pattern Recognition, Automated Natural Language Processing Computer Security
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Agile text mining for the 2014 i2b2/UTHealth Cardiac risk factors challenge.

Journal of biomedical informatics Jul 22, 2015
This paper describes the use of an agile text mining platform (Linguamatics' Interactive Information Extraction Platform, I2E) to extract document-level cardiac risk factors in patient records as defined in the i2b2/UTHealth 2014 challenge. The appro...
Pattern Recognition, Automated Computer Security Vocabulary, Controlled Diabetes Complications Humans Narration Electronic Health Records Natural Language Processing Female Confidentiality Aged Comorbidity Data Mining Male Incidence United Kingdom Cardiovascular Diseases Cohort Studies Middle Aged Longitudinal Studies Risk Assessment
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Challenges in clinical natural language processing for automated disorder normalization.

Journal of biomedical informatics Jul 14, 2015
BACKGROUND: Identifying key variables such as disorders within the clinical narratives in electronic health records has wide-ranging applications within clinical practice and biomedical research. Previous research has demonstrated reduced performance...
Natural Language Processing Vocabulary, Controlled Humans Machine Learning Software Electronic Health Records Narration
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Automated generation of directed graphs from vascular segmentations.

Journal of biomedical informatics Jul 9, 2015
Automated feature extraction from medical images is an important task in imaging informatics. We describe a graph-based technique for automatically identifying vascular substructures within a vascular tree segmentation. We illustrate our technique us...
Software Algorithms Tomography, X-Ray Computed ROC Curve Imaging, Three-Dimensional Humans Machine Learning Angiography Aorta Pulmonary Artery Image Processing, Computer-Assisted Area Under Curve Least-Squares Analysis Automation
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Combining glass box and black box evaluations in the identification of heart disease risk factors and their temporal relations from clinical records.

Journal of biomedical informatics Jul 2, 2015
BACKGROUND: The determination of risk factors and their temporal relations in natural language patient records is a complex task which has been addressed in the i2b2/UTHealth 2014 shared task. In this context, in most systems it was broadly decompose...
Risk Assessment Comorbidity Incidence Cohort Studies Longitudinal Studies Pattern Recognition, Automated Aged Humans France Male Narration Computer Security Algorithms Cardiovascular Diseases Natural Language Processing Vocabulary, Controlled Electronic Health Records Confidentiality Middle Aged Diabetes Complications Female Data Mining
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A novel method based on physicochemical properties of amino acids and one class classification algorithm for disease gene identification.

Journal of biomedical informatics Jul 2, 2015
Identifying the genes that cause disease is one of the most challenging issues to establish the diagnosis and treatment quickly. Several interesting methods have been introduced for disease gene identification for a decade. In general, the main diffe...
Humans Artificial Intelligence Principal Component Analysis Amino Acids Amino Acid Sequence Probability Computational Biology False Positive Reactions Support Vector Machine Parkinson Disease Algorithms Regression Analysis Reproducibility of Results Proteins Diagnosis, Computer-Assisted ROC Curve
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On the creation of a clinical gold standard corpus in Spanish: Mining adverse drug reactions.

Journal of biomedical informatics Jun 30, 2015
The advances achieved in Natural Language Processing make it possible to automatically mine information from electronically created documents. Many Natural Language Processing methods that extract information from texts make use of annotated corpora,...
Drug-Related Side Effects and Adverse Reactions Reproducibility of Results Machine Learning Adverse Drug Reaction Reporting Systems Predictive Value of Tests Algorithms Data Mining Linguistics Natural Language Processing Electronic Health Records Pharmacovigilance Translating Pharmaceutical Preparations Language Automation
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