relationship/attachments ->
arXiv.org Snapshot {{zotero-imported-file YD3C6UWF, “1909.html”}}
arXiv Fulltext PDF {{zotero-imported-file 2T8UYKHC, “Shinavier and Wisnesky - 2020 - Algebraic Property Graphs.pdf”}}
arXiv.org Snapshot {{zotero-imported-file ZQI32EXH, “1102.html”}}
arXiv Fulltext PDF {{zotero-imported-file YT8TKSZQ, “Spivak and Kent - 2012 - Ologs a categorical framework for knowledge repre.pdf”}}