AIMC Journal:
Journal of biomedical informatics
Showing 561 to 570 of 657 articles
Improving the utility of MeSH® terms using the TopicalMeSH representation.
Journal of biomedical informatics
Mar 19, 2016
OBJECTIVE: To evaluate whether vector representations encoding latent topic proportions that capture similarities to MeSH terms can improve performance on biomedical document retrieval and classification tasks, compared to using MeSH terms.
Adapting machine learning techniques to censored time-to-event health record data: A general-purpose approach using inverse probability of censoring weighting.
Journal of biomedical informatics
Mar 16, 2016
Models for predicting the probability of experiencing various health outcomes or adverse events over a certain time frame (e.g., having a heart attack in the next 5years) based on individual patient characteristics are important tools for managing pa...
Utilizing a structural meta-ontology for family-based quality assurance of the BioPortal ontologies.
Journal of biomedical informatics
Mar 14, 2016
An Abstraction Network is a compact summary of an ontology's structure and content. In previous research, we showed that Abstraction Networks support quality assurance (QA) of biomedical ontologies. The development of an Abstraction Network and its a...
A categorical analysis of coreference resolution errors in biomedical texts.
Journal of biomedical informatics
Feb 27, 2016
BACKGROUND: Coreference resolution is an essential task in information extraction from the published biomedical literature. It supports the discovery of complex information by linking referring expressions such as pronouns and appositives to their re...
Speculation detection for Chinese clinical notes: Impacts of word segmentation and embedding models.
Journal of biomedical informatics
Feb 26, 2016
Speculations represent uncertainty toward certain facts. In clinical texts, identifying speculations is a critical step of natural language processing (NLP). While it is a nontrivial task in many languages, detecting speculations in Chinese clinical ...
OntoCR: A CEN/ISO-13606 clinical repository based on ontologies.
Journal of biomedical informatics
Feb 18, 2016
OBJECTIVE: To design a new semantically interoperable clinical repository, based on ontologies, conforming to CEN/ISO 13606 standard.
Is the crowd better as an assistant or a replacement in ontology engineering? An exploration through the lens of the Gene Ontology.
Journal of biomedical informatics
Feb 10, 2016
Biomedical ontologies contain errors. Crowdsourcing, defined as taking a job traditionally performed by a designated agent and outsourcing it to an undefined large group of people, provides scalable access to humans. Therefore, the crowd has the pote...
A Q-backpropagated time delay neural network for diagnosing severity of gait disturbances in Parkinson's disease.
Journal of biomedical informatics
Feb 2, 2016
Parkinson's disease (PD) is a movement disorder that affects the patient's nervous system and health-care applications mostly uses wearable sensors to collect these data. Since these sensors generate time stamped data, analyzing gait disturbances in ...
Toward rapid learning in cancer treatment selection: An analytical engine for practice-based clinical data.
Journal of biomedical informatics
Feb 2, 2016
OBJECTIVE: Wide-scale adoption of electronic medical records (EMRs) has created an unprecedented opportunity for the implementation of Rapid Learning Systems (RLSs) that leverage primary clinical data for real-time decision support. In cancer, where ...
A knowledgebase of the human Alu repetitive elements.
Journal of biomedical informatics
Jan 28, 2016
Alu elements are the most abundant retrotransposons in the human genome with more than one million copies. Alu repeats have been reported to participate in multiple processes related with genome regulation and compartmentalization. Moreover, they hav...
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