Back to matchesWe found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleTraceability model based on improved witness mechanism.AuthorsLi, Li; Li, TaoPublicationCAAI Transactions on Intelligence Technology, 2022, Vol 7, Issue 3, p331ISSN2468-2322Publication typeArticleDOI10.1049/cit2.12124