1. A method comprising: assembling at least one statistical summary of at least one hierarchical language data source responsive to execution of program instructions accessible to at least one processor operatively connected to a memory device; accessing at least one entity of interest selected from the at least one statistical summary; generating at least one target hierarchical language model based on the at least one entity of interest; and transforming data from the at least one hierarchical language data source into at least one relational form by executing transformation artifacts generated based on a type of the at least one relational form.