[[!redirects Spivak_2]] ###Reference Details### +-- cite key : Spivak_2 title : The operad of wiring diagrams: formalizing a graphical language for databases, recursion, and plug-and-play circuits author : Spivak, D.I. eprint : <http://arxiv.org/abs/1305.0297v1> mrclass : cs.DB note : arXiv:1305.0297v1; 28 pages url : <http://arxiv.org/abs/1305.0297v1> arxiv : [1305.0297](http://www.arxiv.org/abs/1305.0297) refbase : [2070](http://www.math.ntnu.no/~stacey/RefBase/show.php?record=2070) =-- {: .bibliography} --- category: category theory