Proving correctness of transformation functions in collaborative editing systems
Identifieur interne : 006480 ( Main/Exploration ); précédent : 006479; suivant : 006481Proving correctness of transformation functions in collaborative editing systems
Auteurs : Gérald Oster [Suisse] ; Pascal Urso [France] ; Pascal Molli [France] ; Abdessamad Imine [France]Source :
English descriptors
Abstract
Operational transformation (OT) is an approach which allows to build real-time groupware tools. This approach requires correct transformation functions regarding two conditions called TP1 and TP2. Proving correctness of these transformation functions is very complex and error prone. In this paper, we show how a theorem prover can address this serious bottleneck. To validate our approach, we verifed correctness of state-of-art transformation functions de ned on strings of characters with surprising results. Counter-examples provided by the theorem prover helped us to design the tombstone transformation functions. These functions verify TP1 and TP2, preserve intentions and ensure multi-effect relationships.
Url:
Affiliations:
- France, Suisse
- Franche-Comté, Grand Est, Lorraine (région)
- Belfort, Besançon, Nancy
- Institut national polytechnique de Lorraine, Université Nancy 2, Université de Bourgogne Franche-Comté, Université de Franche-Comté, Université de Lorraine, Université de technologie de Belfort-Montbéliard
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Le document en format XML
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nuts="2">Franche-Comté</region></placeName><orgName type="university">Université de Franche-Comté</orgName><orgName type="institution" wicri:auto="newGroup">Université de Bourgogne Franche-Comté</orgName><placeName><settlement type="city" wicri:auto="siege">Belfort</settlement><region type="region" nuts="2">Franche-Comté</region></placeName><orgName type="university">Université de technologie de Belfort-Montbéliard</orgName></affiliation></author></analytic></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="mix" xml:lang="en"><term>collaborative editing</term><term>formal methods</term><term>operational transformation</term><term>optimistic replication</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Operational transformation (OT) is an approach which allows to build real-time groupware tools. This approach requires correct transformation functions regarding two conditions called TP1 and TP2. Proving correctness of these transformation functions is very complex and error prone. In this paper, we show how a theorem prover can address this serious bottleneck. To validate our approach, we verifed correctness of state-of-art transformation functions de ned on strings of characters with surprising results. Counter-examples provided by the theorem prover helped us to design the tombstone transformation functions. These functions verify TP1 and TP2, preserve intentions and ensure multi-effect relationships.</div></front></TEI><affiliations><list><country><li>France</li><li>Suisse</li></country><region><li>Franche-Comté</li><li>Grand Est</li><li>Lorraine (région)</li></region><settlement><li>Belfort</li><li>Besançon</li><li>Nancy</li></settlement><orgName><li>Institut national polytechnique de Lorraine</li><li>Université Nancy 2</li><li>Université de Bourgogne Franche-Comté</li><li>Université de Franche-Comté</li><li>Université de Lorraine</li><li>Université de technologie de Belfort-Montbéliard</li></orgName></list><tree><country name="Suisse"><noRegion><name sortKey="Oster, Gerald" sort="Oster, Gerald" uniqKey="Oster G" first="Gérald" last="Oster">Gérald Oster</name></noRegion></country><country name="France"><region name="Grand Est"><name sortKey="Urso, Pascal" sort="Urso, Pascal" uniqKey="Urso P" first="Pascal" last="Urso">Pascal Urso</name></region><name sortKey="Imine, Abdessamad" sort="Imine, Abdessamad" uniqKey="Imine A" first="Abdessamad" last="Imine">Abdessamad Imine</name><name sortKey="Molli, Pascal" sort="Molli, Pascal" uniqKey="Molli P" first="Pascal" last="Molli">Pascal Molli</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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