Hi fellas,

After re-installing Virtuoso I'm still facing the same problem, any
suggestions ?


On Fri, Sep 24, 2010 at 5:28 PM, Parsa Ghaffari <[email protected]>wrote:

> Hi Kingsley,
>
> Thanks for your advice, I think there's a problem with my copy of Virtuoso
> since there was no cartridge to select previously (in crawler's setup page)
> and only after I went to RDF > Sponger > Cartridges/Meta cartridges,
> unchecked everything and rechecked them back again, they started to appear
> in my crawler's setup page to choose from.
>
> Now after crawling with only Freebase as cartridge and Freebase NYTC and
> NYTCF as meta cartridges, I only get one page crawled, though it's correctly
> sponged and inserted into quad store via rdf_sink. I haven't activated
> 'Single page download', and I've tried any combination of
> http://rdf.freebase.com/ as 'Follow links matching' but still just one
> page. And even after activating all the cartridges back, I still don't get
> more than 1 page which seems odd to me, because before having the list of
> cartridges on the crawler's setup page, it started to crawl perfectly but
> the problem was with sponging and noise and all that stuff but now I can't
> get it to crawl more than 1 page with any setup.
>
> And there's one more problem which is every time I setup a new crawl job,
> the entry for the cartridge gets doubled down there on the RDF Cartridge
> part. Please refer to this image: http://i.imgur.com/3KLUx.png
>
> <http://i.imgur.com/3KLUx.png>Please note that: 1- I had previously
> removed this instance's virtuoso.db file from disk but it was perfectly (as
> it seems) regenerated. 2- By all of cartridges, I mean all except the first
> one (HTTP in RDF).
>
> So any ideas on where to start debugging the problem ? I already have tried
> enabling Sponger's logging feature but I get nothing in the log. Maybe I
> have to reset Crawler's settings or something like that.
>
>
> Thanks for your time and sorry for my wall of text.
>
> Best,
> Parsa
>
> On Thu, Sep 23, 2010 at 7:18 PM, Parsa Ghaffari 
> <[email protected]>wrote:
>
>> Dear all,
>>
>> I'm trying to make a mashup of DBPedia and Freebase. At a query level I
>> know I can use SPARQL pragmas for owl:sameAs but I think it limits me to 2.4
>> million interlinked concepts and on the Virtuoso's built-in crawler side, I
>> think I'll get some noise (i.e. data other than rdf.freebase.com) and I
>> still don't understand the crawler enough to know that if it crawls the
>> whole Freebase or not. Can someone address me on these 2 issues please ?
>> Thanks a lot.
>>
>> Best,
>> Parsa
>>
>
>
>
> --
> Parsa B. Ghaffari
>



-- 
Parsa B. Ghaffari

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