{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,1]],"date-time":"2026-04-01T07:19:22Z","timestamp":1775027962541,"version":"3.50.1"},"reference-count":13,"publisher":"IEEE","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2009,12]]},"DOI":"10.1109\/cdc.2009.5400083","type":"proceedings-article","created":{"date-parts":[[2010,2,2]],"date-time":"2010-02-02T10:27:26Z","timestamp":1265106446000},"page":"205-210","source":"Crossref","is-referenced-by-count":16,"title":["Verification of K-step opacity and analysis of its complexity"],"prefix":"10.1109","author":[{"given":"Anooshiravan","family":"Saboori","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Christoforos N.","family":"Hadjicostis","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"263","reference":[{"key":"ref10","doi-asserted-by":"publisher","DOI":"10.1007\/978-0-387-68612-7"},{"key":"ref11","author":"garey","year":"1979","journal-title":"Computers and Intractability - A Guide to the Theory of NP-completeness"},{"key":"ref12","doi-asserted-by":"publisher","DOI":"10.1145\/800157.805047"},{"key":"ref13","doi-asserted-by":"publisher","DOI":"10.1145\/800125.804030"},{"key":"ref4","doi-asserted-by":"publisher","DOI":"10.1109\/CDC.2007.4434515"},{"key":"ref3","first-page":"81","article-title":"Opacity generalised to transition systems","author":"bryans","year":"2005","journal-title":"Proc of the 3rd International Workshop on Formal Aspects in Security and Trust"},{"key":"ref6","first-page":"328","article-title":"Verification of initial—state opacity in security applications of DES","year":"2008","journal-title":"Proc of the 9th International Workshop on Discrete Event Systems"},{"key":"ref5","first-page":"8","article-title":"Delayed state estimation in discrete event systems and its application to security problems","year":"2007"},{"key":"ref8","doi-asserted-by":"publisher","DOI":"10.1007\/s10626-007-0020-5"},{"key":"ref7","doi-asserted-by":"publisher","DOI":"10.1016\/j.entcs.2004.10.010"},{"key":"ref2","first-page":"198","article-title":"CSP and anonymity","author":"schneider","year":"1996","journal-title":"Proc of the 4th European Symposium on Research in Computer Security"},{"key":"ref1","doi-asserted-by":"publisher","DOI":"10.1109\/CSFW.1994.315941"},{"key":"ref9","doi-asserted-by":"publisher","DOI":"10.1109\/TSMCB.2005.847749"}],"event":{"name":"2009 Joint 48th IEEE Conference on Decision and Control (CDC) and 28th Chinese Control Conference (CCC)","location":"Shanghai, China","start":{"date-parts":[[2009,12,15]]},"end":{"date-parts":[[2009,12,18]]}},"container-title":["Proceedings of the 48h IEEE Conference on Decision and Control (CDC) held jointly with 2009 28th Chinese Control Conference"],"original-title":[],"link":[{"URL":"http:\/\/xplorestaging.ieee.org\/ielx5\/5379695\/5399469\/05400083.pdf?arnumber=5400083","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2017,3,18]],"date-time":"2017-03-18T19:01:58Z","timestamp":1489863718000},"score":1,"resource":{"primary":{"URL":"http:\/\/ieeexplore.ieee.org\/document\/5400083\/"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2009,12]]},"references-count":13,"URL":"https:\/\/doi.org\/10.1109\/cdc.2009.5400083","relation":{},"subject":[],"published":{"date-parts":[[2009,12]]}}}