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  Hull, Richard Add to Alert Profile  
 
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  1 - 5 of 6 reviews    
  Blockchains for business process management - challenges and opportunities
Mendling J., Weber I., Aalst W., Brocke J., Cabanillas C., Daniel F., Debois S., Ciccio C., Dumas M., Dustdar S., Gal A., García-Bañuelos L., Governatori G., Hull R., Rosa M., Leopold H., Leymann F., Recker J., Reichert M., Reijers H., Rinderle-Ma S., Solti A., Rosemann M., Schulte S., Singh M., Slaats T., Staples M., Weber B., Weidlich M., Weske M., Xu X., Zhu L. ACM Transactions on Management Information Systems 9(1): 1-16, 2018.  Type: Article

Blockchain is a technology that allows for the trusted exchange of digital currency. In its initial incarnation, it focused on the trusted exchange of Bitcoins. Its emerging applications will support the trusted execution of transactio...
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Feb 7 2020  
  Heraclitus: elevating deltas to be first-class citizens in a database programming language
Ghandeharizadeh S., Hull R., Jacobs D. ACM Transactions on Database Systems 21(3): 370-426, 1996.  Type: Article

Deltas are “hypothetical updates” to a database state that make it possible to analyze “what-if” scenarios; the expression “E when &dgr;” gives t...
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Mar 1 1997  
  An execution model for limited ambiguity rules and its application to derived data update
Chen I., Hull R., McLeod D. ACM Transactions on Database Systems 20(4): 365-413, 1995.  Type: Article

In the traditional approach to modification of derived data, base data are updated explicitly by users, which in turn may cause updates to the derived data. However, it is also desirable that users can modify derived data directly. In ...
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Feb 1 1997  
  IFO: a formal semantic database model
Abiteboul S., Hull R. ACM Transactions on Database Systems 12(4): 525-565, 1987.  Type: Article

A new formal semantic database model is introduced in this paper. The model, IFO, is graph based. It uses types to represent objects and provides functional and ISA relationships to connect these objects. The authors provide a clear fo...
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Jul 1 1988  
  The Format Model: A Theory of database Organization
Hull R., Yap C. Journal of the ACM 31(3): 518-544, 1984.  Type: Article

The authors formalize a study of representing data in databases. Three data constructs--collection, composition, and classification--are used recursively to build formats. These formats are used to obtain sev...
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Mar 1 1985  

 
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