@conference{1295226, author = {Spencer Breiner and Olivier Marie Rose and Blake Pollard and Eswaran Subrahmanian}, title = {Modeling Hierarchical Systems with Operads}, year = {2020}, number = {323}, month = {2020-11-04 05:11:00}, publisher = {Proceedings Applied Category Theory 2019, Oxford, GB}, url = {https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=928385}, doi = {https://doi.org/10.4204/EPTCS.323.5}, language = {en}, }