[Z3-zemantic] Scalability, part 2

Paul Everitt paul at zope-europe.org
Wed Mar 9 16:28:45 MET 2005


On Mar 9, 2005, at 4:10 PM, Michel Pelletier wrote:

> On Wednesday 09 March 2005 02:50 am, Paul Everitt wrote:
>> Sorry for following up to my own note, but this is an interesting and
>> academically-rigorous article on the mathematical techniques in RDF
>> indexing and querying.
>
> Zemantic is implemented just like they describe here, it uses a
> forward/reverse index that maps nodes to integers, and then stores 
> those
> integer mappings into a four dimensional btree index.  Essentially (and
> coincidentally) exactly the same as described in this paper.

Well, that's freaking good news. :^)  How bout the whole "context" 
thing?

I'll be interested in what your AMD64 box does on their 3M triple 
benchmark. :^)  I like the part where they said Kowasi (or whatever it 
is called) couldn't be tested because it died when the disk filled up. 
:^)

--Paul



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