Handling negative samples problems in span-based nested named entity recognition
Chenxu Liu, Hongjie Fan, Junfei Liu
Topics & Concepts
Computer scienceNamed-entity recognitionArtificial intelligenceTask (project management)SentenceNatural language processingFunction (biology)Identification (biology)Focus (optics)Span (engineering)Nested set modelPattern recognition (psychology)Data miningRelational databaseEconomicsOpticsPhysicsEngineeringManagementBiologyEvolutionary biologyBotanyCivil engineeringTopic ModelingNatural Language Processing TechniquesBiomedical Text Mining and Ontologies