AIMC Journal:
Journal of biomedical informatics

Showing 411 to 420 of 650 articles

Whale optimized mixed kernel function of support vector machine for colorectal cancer diagnosis.

Journal of biomedical informatics Feb 20, 2019
Microarray technique is a prevalent method for the classification and prediction of colorectal cancer (CRC). Nevertheless, microarray data suffers from the curse of dimensionality when selecting feature genes of the disease based on imbalance samples...
Colorectal Neoplasms Gene Expression Profiling Transcriptome Support Vector Machine Software Algorithms Humans
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Multiple retrieval case-based reasoning for incomplete datasets.

Journal of biomedical informatics Feb 13, 2019
The performance of case-based reasoning (CBR) depends on an accurate ranking of similar cases in the retrieval phase that affects all subsequent phases and profits from the potential of large databases. Unfortunately, growing databases come along wit...
Decision Support Systems, Clinical Humans Artificial Intelligence Databases, Factual Diagnosis, Computer-Assisted
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Statistical outbreak detection by joining medical records and pathogen similarity.

Journal of biomedical informatics Feb 13, 2019
We present a statistical inference model for the detection and characterization of outbreaks of hospital associated infection. The approach combines patient exposures, determined from electronic medical records, and pathogen similarity, determined by...
Cross Infection Medical Records United States Models, Theoretical Humans Machine Learning Disease Outbreaks
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Word embeddings and external resources for answer processing in biomedical factoid question answering.

Journal of biomedical informatics Feb 10, 2019
Biomedical question answering (QA) is a challenging task that has not been yet successfully solved, according to results on international benchmarks, such as BioASQ. Recent progress on deep neural networks has led to promising results in domain indep...
Information Storage and Retrieval Medical Informatics Algorithms Unsupervised Machine Learning Neural Networks, Computer
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Unsupervised concept extraction from clinical text through semantic composition.

Journal of biomedical informatics Feb 10, 2019
Concept extraction is an important step in clinical natural language processing. Once extracted, the use of concepts can improve the accuracy and generalization of downstream systems. We present a new unsupervised system for the extraction of concept...
Unsupervised Machine Learning Semantics Unified Medical Language System
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Confirm or refute?: A comparative study on citation sentiment classification in clinical research publications.

Journal of biomedical informatics Feb 10, 2019
Quantifying scientific impact of researchers and journals relies largely on citation counts, despite the acknowledged limitations of this approach. The need for more suitable alternatives has prompted research into developing advanced metrics, such a...
Biomedical Research Publishing Machine Learning Algorithms
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Semi-supervised learning to improve generalizability of risk prediction models.

Journal of biomedical informatics Feb 7, 2019
The utility of a prediction model depends on its generalizability to patients drawn from different but related populations. We explored whether a semi-supervised learning model could improve the generalizability of colorectal cancer (CRC) risk predic...
Diagnosis, Computer-Assisted Adolescent Male Middle Aged Supervised Machine Learning Aged, 80 and over Survival Analysis Child Female Young Adult Adult Risk Models, Statistical Humans Colorectal Neoplasms Aged Prognosis
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Mining fall-related information in clinical notes: Comparison of rule-based and novel word embedding-based machine learning approaches.

Journal of biomedical informatics Jan 9, 2019
BACKGROUND: Natural language processing (NLP) of health-related data is still an expertise demanding, and resource expensive process. We created a novel, open source rapid clinical text mining system called NimbleMiner. NimbleMiner combines several m...
Data Mining Humans Accidental Falls Machine Learning Electronic Health Records Natural Language Processing
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Neuroevolution as a tool for microarray gene expression pattern identification in cancer research.

Journal of biomedical informatics Dec 3, 2018
Microarrays are still one of the major techniques employed to study cancer biology. However, the identification of expression patterns from microarray datasets is still a significant challenge to overcome. In this work, a new approach using Neuroevol...
Oligonucleotide Array Sequence Analysis Biomarkers, Tumor Neoplasms Humans Neural Networks, Computer Machine Learning Algorithms
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A combined modelling of fuzzy logic and Time-Driven Activity-based Costing (TDABC) for hospital services costing under uncertainty.

Journal of biomedical informatics Nov 23, 2018
Hospital traditional cost accounting systems have inherent limitations that restrict their usefulness for measuring the exact cost of healthcare services. In this regard, new approaches such as Time Driven-Activity based Costing (TDABC) provide appro...
Uncertainty Hospitals Hospital Costs Fuzzy Logic
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