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 author       = {Lowell Abrams},
 year         = {1999},
 title        = {Modules, comodules, and cotensor products over Frobenius algebras},
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 volume       = {219},
 number       = {1},
 pages        = {201--213},
 doi          = {10.1006/jabr.1999.7901},
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 title        = {Robot planning with string diagrams},
 note         = {In preparation},
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 journal      = {arXiv preprint arXiv:1711.08699},
 url          = {https://arxiv.org/abs/1711.08699},
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@book(sevensketches,
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 year         = {2019},
 title        = {Seven Sketches in Compositionality: An Invitation to Applied Category Theory},
 publisher    = {Cambridge University Press},
 doi          = {10.1017/9781108668804},
 url          = {https://math.mit.edu/~dspivak/teaching/sp18/7Sketches.pdf},
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@book(StoneSpaces,
 author       = {Peter T Johnstone},
 year         = {1982},
 title        = {Stone spaces},
 series       = {Cambridge studies in advanced mathematics},
 volume       = {3},
 publisher    = {Cambridge University Press},
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@techreport(PDDL,
 author       = {Drew McDermott and Malik Ghallab and Adele Howe and Craig Knoblock and Ashwin Ram and Manuela Veloso and Daniel Weld and David Wilkins},
 year         = {1998},
 title        = {{PDDL}-the planning domain definition language},
 type         = {Technical Report},
 number       = {CVC TR-98-003/DCS TR-1165},
 institution  = {Yale Center for Computational Vision and Control},
 url          = {http://icaps-conference.org/ipc2008/deterministic/data/mcdermott-et-al-tr-1998.pdf},
)
@article(panangaden1998probabilistic,
 author       = {Prakash Panangaden},
 year         = {1998},
 title        = {Probabilistic relations},
 journal      = {School of Computer Science Research Reports - University of Birmingham CSR},
 pages        = {59--74},
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@article(pavlovic2013monoidal,
 author       = {Dusko Pavlovic},
 year         = {2013},
 title        = {Monoidal computer {I}: Basic computability by string diagrams},
 journal      = {Information and computation},
 volume       = {226},
 pages        = {94--116},
 doi          = {10.1016/j.ic.2013.03.007},
)