Abstract：［Purpose/significance］ Based on the research on open source intelligence (OSINT) at home and abroad,this paper summarizes the theoretical and application achievements and shortcomings in order to provides guideline for future research［Method/process］ After visualizing the annual publishing trend and analyzing keyword cooccurrence of literature with quantitative method,we further concludes the concept of OSINT and summarizes the research content and structure combined with the DIWK model［Result/conclusion］ OSINT has been extensively explored,especially in the concept,collection,fusion,quality evaluation,model construction,etcHowever,the research on OSINT is still in its infancy,the research on theoretical models and methods is relatively lessIn addition,the application scenarios and content still need to be expanded
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