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https://issues.apache.org/jira/browse/CLEREZZA-20?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12864809#action_12864809
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Reto Bachmann-Gmür edited comment on CLEREZZA-20 at 5/6/10 12:06 PM:
---------------------------------------------------------------------

the comment of the test code assumes there's a bug in the equls implementation 
of graph.

I've looked into the result with agenda_62.rdf

the result contains a bnode as follows

[]    <http://www.w3.org/2002/12/cal/ical#component>
              [ a       <http://www.w3.org/2002/12/cal/ical#Vevent> ;
                <http://www.w3.org/2002/12/cal/ical#location>
                        "Salon DEFG" ;
                <http://www.w3.org/2002/12/cal/ical#summary>
                        "Plenary - IAB Plenary"
              ] .

in the original version there are mutch more statements associated with the 
bnode, for instance it is the <http://www.w3.org/2002/12/cal/ical#component> of 
a VCalendar and has a start and enddate.


      was (Author: reto):
    the comment of the test code assumes there's a bug in the equls 
implementation of graph.

I've looked into the result with agenda_62.rdf

the result contains a bnode as follows

[]    <http://www.w3.org/2002/12/cal/ical#component>
              [ a       <http://www.w3.org/2002/12/cal/ical#Vevent> ;
                <http://www.w3.org/2002/12/cal/ical#location>
                        "Salon DEFG" ;
                <http://www.w3.org/2002/12/cal/ical#summary>
                        "Plenary - IAB Plenary"
              ] .

in the original version there are match more statements associated with the 
bnode, for instance it is the <http://www.w3.org/2002/12/cal/ical#component> of 
a VCalendar and has a start and enddate.

  
> Stable serialization
> --------------------
>
>                 Key: CLEREZZA-20
>                 URL: https://issues.apache.org/jira/browse/CLEREZZA-20
>             Project: Clerezza
>          Issue Type: New Feature
>            Reporter: Reto Bachmann-Gmür
>            Assignee: Manuel Innerhofer
>         Attachments: CLEREZZA-20.zip, StableSerializerProvider.java
>
>
> We shall provide an N-TRIPLES serializer that provides some stability in the 
> serializations, i.e. that small changes in the graph cause a small change in 
> the serialized form (and that the same graph often results in the same 
> serialization). While full deterministic serialization is too computation 
> expensive in the general case, some relatively simple adpatations in the 
> b-node labeling algorithm and the order of the triples could give usable 
> stability, thus making the nt-documents (such as the documentation.nt files) 
> much more suitable for storage within a a VCS.

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