Peng_etal_ESIP2018summer_MMs_Intro.pdf PengGe BrewerMichael DuerrRuth WrightWilliam LiefChristina 2018 Opening remark for a working session at the Earth Science Information Partners (ESIP) 2018 summer meeting (17–20 July 2018, Tucson, AZ, USA) and the status summary of two developing dataset maturity assessment models