Comput Methods Programs Biomed - Searching biosignal databases by content and context: Research Oriented Integration System for ECG Signals (ROISES).

Tópicos

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Resumo

Technological advances in textile, biosensor and electrocardiography domain induced the wide spread use of bio-signal acquisition devices leading to the generation of massive bio-signal datasets. Among the most popular bio-signals, electrocardiogram (ECG) possesses the longest tradition in bio-signal monitoring and recording, being a strong and relatively robust signal. As research resources are fostered, research community promotes the need to extract new knowledge from bio-signals towards the adoption of new medical procedures. However, integrated access, query and management of ECGs are impeded by the diversity and heterogeneity of bio-signal storage data formats. In this scope, the proposed work introduces a new methodology for the unified access to bio-signal databases and the accompanying metadata. It allows decoupling information retrieval from actual underlying datasource structures and enables transparent content and context based searching from multiple data resources. Our approach is based on the definition of an interactive global ontology which manipulates the similarities and the differences of the underlying sources to either establish similarity mappings or enrich its terminological structure. We also introduce ROISES (Research Oriented Integration System for ECG Signals), for the definition of complex content based queries against the diverse bio-signal data sources.

Resumo Limpo

technolog advanc textil biosensor electrocardiographi domain induc wide spread use biosign acquisit devic lead generat massiv biosign dataset among popular biosign electrocardiogram ecg possess longest tradit biosign monitor record strong relat robust signal research resourc foster research communiti promot need extract new knowledg biosign toward adopt new medic procedur howev integr access queri manag ecg imped divers heterogen biosign storag data format scope propos work introduc new methodolog unifi access biosign databas accompani metadata allow decoupl inform retriev actual under datasourc structur enabl transpar content context base search multipl data resourc approach base definit interact global ontolog manipul similar differ under sourc either establish similar map enrich terminolog structur also introduc rois research orient integr system ecg signal definit complex content base queri divers biosign data sourc

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