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mosser / gcoke

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Discriminate graphs used as input for a composition #8

Open GoogleCodeExporter opened 8 years ago

GoogleCodeExporter commented 8 years ago 
## Overview

currently, graphs are red from the database when used as input of a composition.

However, it may be intersting to refer to the INITIAL graph, if modified by 
another composition.

## Typical use case

composition usual (g) { ... } => {g'}; uses 'g' from the database

composition usual (@g) { ... } => {g'}; uses 'g' from the build_compiled_graph 
predicate.

Original issue reported on code.google.com by sebastien.mosser on 26 Jan 2011 at 2:05