@article{Derthick2018, author = "Mark Derthick and Steven F. Roth", title = "{Enhancing Data with a Branching HIstory of User Operations}", year = "2018", month = "6", url = "https://kilthub.cmu.edu/articles/journal_contribution/Enhancing_Data_with_a_Branching_HIstory_of_User_Operations/6470039", doi = "10.1184/R1/6470039.v1" }