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		<id>https://www.scipedia.com/wd/index.php?action=history&amp;feed=atom&amp;title=Stepney_et_al_2007a</id>
		<title>Stepney et al 2007a - Revision history</title>
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		<updated>2026-04-21T21:47:15Z</updated>
		<subtitle>Revision history for this page on the wiki</subtitle>
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	<entry>
		<id>https://www.scipedia.com/wd/index.php?title=Stepney_et_al_2007a&amp;diff=199712&amp;oldid=prev</id>
		<title>Scipediacontent: Scipediacontent moved page Draft Content 104474062 to Stepney et al 2007a</title>
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				<updated>2021-02-02T00:03:19Z</updated>
		
		<summary type="html">&lt;p&gt;Scipediacontent moved page &lt;a href=&quot;/public/Draft_Content_104474062&quot; class=&quot;mw-redirect&quot; title=&quot;Draft Content 104474062&quot;&gt;Draft Content 104474062&lt;/a&gt; to &lt;a href=&quot;/public/Stepney_et_al_2007a&quot; title=&quot;Stepney et al 2007a&quot;&gt;Stepney et al 2007a&lt;/a&gt;&lt;/p&gt;
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				&lt;td colspan='1' style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan='1' style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;Revision as of 00:03, 2 February 2021&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan='2' style='text-align: center;' lang='en'&gt;&lt;div class=&quot;mw-diff-empty&quot;&gt;(No difference)&lt;/div&gt;
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		<author><name>Scipediacontent</name></author>	</entry>

	<entry>
		<id>https://www.scipedia.com/wd/index.php?title=Stepney_et_al_2007a&amp;diff=199711&amp;oldid=prev</id>
		<title>Scipediacontent: Created page with &quot; == Abstract ==  The issues surrounding the question of atomicity, both in the past and nowadays, are briefly reviewed, and a picture of an ACID (atomic, consistent, isolated,...&quot;</title>
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				<updated>2021-02-02T00:03:07Z</updated>
		
		<summary type="html">&lt;p&gt;Created page with &amp;quot; == Abstract ==  The issues surrounding the question of atomicity, both in the past and nowadays, are briefly reviewed, and a picture of an ACID (atomic, consistent, isolated,...&amp;quot;&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;&lt;br /&gt;
== Abstract ==&lt;br /&gt;
&lt;br /&gt;
The issues surrounding the question of atomicity, both in the past and nowadays, are briefly reviewed, and a picture of an ACID (atomic, consistent, isolated, durable) transaction as a refinement problem is presented. An example of a simple air traffic control system is introduced, and the discrepancies that can arise when read-only operations examine the state at atomic and finegrained levels are handled by retrenchment. Non-ACID timing aspects of the ATC example are also handled by retrenchment, and the treatment is generalised as the retrenchment Atomicity Pattern. The utility of the pattern is confirmed against a different case study, the Mondex Electronic Purse.&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
== Original document ==&lt;br /&gt;
&lt;br /&gt;
The different versions of the original document can be found in:&lt;br /&gt;
&lt;br /&gt;
* [http://www.cs.man.ac.uk/~banach/some.pubs/Retrench.At.Patt.pdf http://www.cs.man.ac.uk/~banach/some.pubs/Retrench.At.Patt.pdf]&lt;br /&gt;
&lt;br /&gt;
* [http://www.cs.man.ac.uk/~banach/some.pubs/Retrench.At.Patt.pdf http://www.cs.man.ac.uk/~banach/some.pubs/Retrench.At.Patt.pdf],&lt;br /&gt;
: [http://yadda.icm.edu.pl/yadda/element/bwmeta1.element.ieee-000004343922 http://yadda.icm.edu.pl/yadda/element/bwmeta1.element.ieee-000004343922],&lt;br /&gt;
: [https://www.research.manchester.ac.uk/portal/en/publications/retrenchment-and-the-atomicity-pattern(7646e4cc-1479-411c-8e41-3c9fb9b97549).html https://www.research.manchester.ac.uk/portal/en/publications/retrenchment-and-the-atomicity-pattern(7646e4cc-1479-411c-8e41-3c9fb9b97549).html],&lt;br /&gt;
: [https://dblp.uni-trier.de/db/conf/sefm/sefm2007.html#BanachJHS07 https://dblp.uni-trier.de/db/conf/sefm/sefm2007.html#BanachJHS07],&lt;br /&gt;
: [https://www.escholar.manchester.ac.uk/uk-ac-man-scw:2f192 https://www.escholar.manchester.ac.uk/uk-ac-man-scw:2f192],&lt;br /&gt;
: [https://academic.microsoft.com/#/detail/2112072127 https://academic.microsoft.com/#/detail/2112072127]&lt;br /&gt;
&lt;br /&gt;
* [http://xplorestaging.ieee.org/ielx5/4343908/4343909/04343922.pdf?arnumber=4343922 http://xplorestaging.ieee.org/ielx5/4343908/4343909/04343922.pdf?arnumber=4343922],&lt;br /&gt;
: [http://dx.doi.org/10.1109/sefm.2007.34 http://dx.doi.org/10.1109/sefm.2007.34]&lt;/div&gt;</summary>
		<author><name>Scipediacontent</name></author>	</entry>

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