Hi! Can you clarify the idea of named graphs a little bit? And what storage overhead we have in them? ----- Yury Katkov, WikiVote
On Fri, Nov 16, 2012 at 7:33 PM, Markus Krötzsch <mar...@semantic-mediawiki.org> wrote: > On 16/11/12 14:32, Yury Katkov wrote: >> >> Hi Markus! >> >> That's very nice! How hard/long is that task? > > > Unknown. First we need to decide what we want to have. > > >> >> We can now use something like SMWStore::updateDataBefore hook, but not >> good approach sometimes: with voting and history s13n you'll need to >> create a lot of property values each time the data is updated. When >> you semantify the page history you'll need to create several hundreds >> datavalues representing the revisions of the current page - that's too >> exprensive. > > > The idea was to have data that is not governed by page updates. There are > two basic designs: > > (1) We introduce something like "named graphs". All data belongs to a graph. > Only data in the default graph is updated with the page contents; other > writing methods are provided for the rest. Maximally flexible, but some > storage overhead. > > (2) We do not use graphs but bind this information to properties: some > properties are governed by page contents, other properties are governed in > other ways. Less flexible, but no storage overhead. > > Cheers, > > Markus > >> >> ----- >> Yury Katkov, WikiVote >> >> >> >> On Fri, Nov 16, 2012 at 4:34 PM, Markus Krötzsch >> <mar...@semantic-mediawiki.org> wrote: >>> >>> On 16/11/12 11:27, Yury Katkov wrote: >>>> >>>> >>>> Hi everyone! >>>> >>>> I talked about the topic of semanticfication of the MediaWiki >>>> extension with a lot of people in SMWCon and saw the great interest to >>>> this topic. >>>> >>>> We have tried to describe the problem on this page: >>>> >>>> >>>> http://semantic-mediawiki.org/wiki/User:Yury_Katkov/s13n_stands_for_semantification >>>> >>>> To the users: if you're interested in topics of s13n and have the use >>>> case that is not described there - please describe it. >>>> >>>> To the developers: let's think together what's needed to be done in >>>> the SMW core to make s13n of the extensions cleaner and easier. Also >>>> the rough time/effort estimate would be great (maybe SMW companies >>>> can sponsor the development?) >>> >>> >>> >>> I have discussed this already with Jeroen. We can help to provide an >>> infrastructure for this. However, the access paths for enabling efficient >>> #ask queries are different from the traditional MW access paths to >>> metadata, >>> so all data that is to be s8ed (;-) will need to be replicated in SMW >>> tables, even if the same MySQL DB is used. >>> >>> Cheers, >>> >>> Markus >>> >>>> >>>> Cheers, >>>> Yury Katkov, WikiVote >>>> >>>> >>>> >>>> ------------------------------------------------------------------------------ >>>> Monitor your physical, virtual and cloud infrastructure from a single >>>> web console. Get in-depth insight into apps, servers, databases, vmware, >>>> SAP, cloud infrastructure, etc. Download 30-day Free Trial. >>>> Pricing starts from $795 for 25 servers or applications! >>>> http://p.sf.net/sfu/zoho_dev2dev_nov >>>> _______________________________________________ >>>> Semediawiki-devel mailing list >>>> Semediawiki-devel@lists.sourceforge.net >>>> https://lists.sourceforge.net/lists/listinfo/semediawiki-devel >>>> >>> >> >> >> ------------------------------------------------------------------------------ >> Monitor your physical, virtual and cloud infrastructure from a single >> web console. Get in-depth insight into apps, servers, databases, vmware, >> SAP, cloud infrastructure, etc. Download 30-day Free Trial. >> Pricing starts from $795 for 25 servers or applications! >> http://p.sf.net/sfu/zoho_dev2dev_nov >> _______________________________________________ >> Semediawiki-user mailing list >> semediawiki-u...@lists.sourceforge.net >> https://lists.sourceforge.net/lists/listinfo/semediawiki-user >> > ------------------------------------------------------------------------------ Monitor your physical, virtual and cloud infrastructure from a single web console. Get in-depth insight into apps, servers, databases, vmware, SAP, cloud infrastructure, etc. Download 30-day Free Trial. Pricing starts from $795 for 25 servers or applications! http://p.sf.net/sfu/zoho_dev2dev_nov _______________________________________________ Semediawiki-devel mailing list Semediawiki-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/semediawiki-devel
