before_revision: To combat COVID-19,  clinicians and scientists all need to digest the vast amount of relevant biomedical knowledge in literature to understand the disease mechanism and the related biological functions. We have developed a novel and comprehensive knowledge discovery framework, COVID-KG, which leverages novel semantic representation and external ontologies to represent text and images in the input literature data, and then performs various extraction components to  extract fine-grained multimedia knowledge elements (entities, relations and events)  . We then exploit the constructed multimedia KGs for question answering and report generation, using drug repurposing as a case study. Our framework also provides detailed contextual sentences, subfigures and knowledge subgraphs as evidence. All of the data, KGs, resources, and shared services are publicly available.
after_revision: To combat COVID-19, both clinicians and scientists need to digest the vast amount of relevant biomedical knowledge in literature to understand the disease mechanism and the related biological functions. We have developed a novel and comprehensive knowledge discovery framework, COVID-KG to extract fine-grained multimedia knowledge elements (entities, relations and events) from scientific literature . We then exploit the constructed multimedia knowledge graphs (KGs) for question answering and report generation, using drug repurposing as a case study. Our framework also provides detailed contextual sentences, subfigures and knowledge subgraphs as evidence. All of the data, KGs, reports, resources and shared services are publicly available.
edit_actions: A
edit_actions: both
edit_actions: coherence
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edit_actions: COVID-KG, which leverages novel semantic representation and external ontologies to represent text and images in the input literature data, and then performs various extraction components to
edit_actions: COVID-KG
edit_actions: coherence
edit_actions: coherence clarity coherence
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edit_actions: meaning-changed
edit_actions: meaning-changed meaning-changed coherence
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edit_actions: from scientific literature
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edit_actions: KGs
edit_actions: knowledge graphs (KGs)
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edit_actions: reports, resources
edit_actions: clarity
edit_actions: clarity clarity meaning-changed