AIMC Journal:
Journal of biomedical informatics

Showing 521 to 530 of 652 articles

Embedding of semantic predications.

Journal of biomedical informatics Mar 8, 2017
This paper concerns the generation of distributed vector representations of biomedical concepts from structured knowledge, in the form of subject-relation-object triplets known as semantic predications. Specifically, we evaluate the extent to which a...
Algorithms Natural Language Processing Humans Semantics
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A passage retrieval method based on probabilistic information retrieval model and UMLS concepts in biomedical question answering.

Journal of biomedical informatics Mar 7, 2017
BACKGROUND AND OBJECTIVE: Passage retrieval, the identification of top-ranked passages that may contain the answer for a given biomedical question, is a crucial component for any biomedical question answering (QA) system. Passage retrieval in open-do...
PubMed Information Storage and Retrieval Natural Language Processing Unified Medical Language System Models, Statistical
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GFD-Net: A novel semantic similarity methodology for the analysis of gene networks.

Journal of biomedical informatics Mar 6, 2017
Since the popularization of biological network inference methods, it has become crucial to create methods to validate the resulting models. Here we present GFD-Net, the first methodology that applies the concept of semantic similarity to gene network...
ROC Curve Gene Regulatory Networks Semantics Gene Ontology Humans Algorithms
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Unsupervised ensemble ranking of terms in electronic health record notes based on their importance to patients.

Journal of biomedical informatics Mar 4, 2017
BACKGROUND: Allowing patients to access their own electronic health record (EHR) notes through online patient portals has the potential to improve patient-centered care. However, EHR notes contain abundant medical jargon that can be difficult for pat...
Algorithms Electronic Health Records Humans Terminology as Topic Comprehension Natural Language Processing Health Records, Personal
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An artificial intelligence framework for compensating transgressions and its application to diet management.

Journal of biomedical informatics Feb 28, 2017
Today, there is considerable interest in personal healthcare. The pervasiveness of technology allows to precisely track human behavior; however, when dealing with the development of an intelligent assistant exploiting data acquired through such techn...
Artificial Intelligence Delivery of Health Care Problem Solving Humans Diet, Healthy
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How are you feeling?: A personalized methodology for predicting mental states from temporally observable physical and behavioral information.

Journal of biomedical informatics Feb 15, 2017
It is believed that anomalous mental states such as stress and anxiety not only cause suffering for the individuals, but also lead to tragedies in some extreme cases. The ability to predict the mental state of an individual at both current and future...
Machine Learning Forecasting Mental Health Models, Theoretical Humans Emotions
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Development of a two-stage gene selection method that incorporates a novel hybrid approach using the cuckoo optimization algorithm and harmony search for cancer classification.

Journal of biomedical informatics Feb 3, 2017
For each cancer type, only a few genes are informative. Due to the so-called 'curse of dimensionality' problem, the gene selection task remains a challenge. To overcome this problem, we propose a two-stage gene selection method called MRMR-COA-HS. In...
Genetic Techniques Neoplasms Humans Gene Expression Profiling Support Vector Machine Algorithms Oligonucleotide Array Sequence Analysis
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Extraction of left ventricular ejection fraction information from various types of clinical reports.

Journal of biomedical informatics Feb 2, 2017
Efforts to improve the treatment of congestive heart failure, a common and serious medical condition, include the use of quality measures to assess guideline-concordant care. The goal of this study is to identify left ventricular ejection fraction (L...
Natural Language Processing Heart Failure Information Storage and Retrieval Humans Stroke Volume
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Development and empirical user-centered evaluation of semantically-based query recommendation for an electronic health record search engine.

Journal of biomedical informatics Jan 25, 2017
OBJECTIVE: The utility of biomedical information retrieval environments can be severely limited when users lack expertise in constructing effective search queries. To address this issue, we developed a computer-based query recommendation algorithm th...
Information Storage and Retrieval Humans Search Engine Natural Language Processing Algorithms Semantics Electronic Health Records
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Machine-learned cluster identification in high-dimensional data.

Journal of biomedical informatics Dec 28, 2016
BACKGROUND: High-dimensional biomedical data are frequently clustered to identify subgroup structures pointing at distinct disease subtypes. It is crucial that the used cluster algorithm works correctly. However, by imposing a predefined shape on the...
Cluster Analysis Algorithms Machine Learning Computational Biology
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