19. The method of claim 18 , wherein inferring that a column included in the set of candidate column names is a hypernym of the cell values contained in the column through reference to a knowledge base comprises extracting one or more concept attributes and one or more instance attributes from the knowledge base.
18. The method of claim 17 , wherein inferring that a column included in the set of candidate column names is a hypernym of the cell values contained in the column comprises inferring that a column included in the set of candidate column names is a hypernym of the cell values contained in the column through reference to a knowledge base.