![](https://www.pdfsearch.io/img/b7a0622ec7b4e933de933bae437e417d.jpg) Date: 2011-04-26 05:30:19
| | On the Tractability of Digraph-Based Task Models Martin Stigge, Pontus Ekberg, Nan Guan, and Wang Yi Uppsala University, Sweden Email: {martin.stigge | pontus.ekberg | nan.guan | yi}@it.uu.se Abstract—In formal analysiAdd to Reading ListSource URL: user.it.uu.seDownload Document from Source Website File Size: 368,90 KBShare Document on Facebook
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