[OTDev] OWL-DL performance/scalability problems

Egon Willighagen egon.willighagen at gmail.com
Mon Sep 6 18:29:44 CEST 2010


On Mon, Sep 6, 2010 at 6:27 PM, Christoph Helma <helma at in-silico.ch> wrote:
>> Otherwise, I am still not sure I understand where the exact bottleneck
>> is... this exercise seems to indicate it is the volume of the RDF/XML
>> serialization...
>
> I have the impression that the bottleneck is the insertion of statements
> into the RDF graph, not serilization or the volume of data. I use
> the volume of data only as indicator for the size of the RDF graph.
>
> BTW: Who knows the (theoretical) complexity of inserting statements into a
> RDF graph?

Indeed. There might be indexing ongoing in the background...

>> What generates the data and how
>> to do create the RDF? Would it be possible to skip RedLand and any
>> other RDF library at all?
>
> In principle yes, but I would hate to reinvent the wheel and write
> RDF/XML "by hand".

Fair, but a simple XML library would get you very far, and would allow
a streaming approach...

Egon

-- 
Dr E.L. Willighagen
Post-doc @ Uppsala University (only until 2010-09-30)
Proteochemometrics / Bioclipse Group of Prof. Jarl Wikberg
Homepage: http://egonw.github.com/
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