To solve the problem of automatic construction of linked data in data set, this paper proposes an Automatic Construction Meth-od of Linked Data in Data Set based on co-word analysis. Specifically, two words are firstly selected from two columns of a data set. Then, these two words are searched in Falcon to see if they are co-occurrence in a RDF, and to find their relationships, which are used to construct linked data. Finally, an experiment is ...