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High-quality domain expert finding method in CQA based on multi-granularity semantic analysis and interest drift

High-quality Domain ExpertMulti-granularity Semantic AnalysisMachine LearningKnowledge ExtractionData MiningInformation RetrievalData ScienceKnowledge RetrievalEngineeringKnowledge DiscoveryBusinessKnowledge EngineeringComputer ScienceAutomated Knowledge AcquisitionSemantic WebKnowledge Discovery ProcessText MiningInterest Drift