One avenue to formulate a data structure is to sub-divide the sample generation process into a series of sub-processes that appear in a consistent ordering for any given polymer active layer in an OFET, model the relationships among a standard domain of entities within those sub- processes, and use the resulting graph to sort data. Recently, Walsh et al. proposed a generalized polymer data structure in CRIPT, introducing a data format for process entities that can be sequentially arranged to represent successive material transformations. However, there is no established standard for defining the boundaries of a "process" for the sake of knowledge representation in materials data structures. We propose that incorporating a universal standard to help compose and arrange individual process stages would foster the adoption of generalized data models that can be used to model a broad set of application domains that are sensitive to complex processing histories.