Hi Rupert, One question, I can't find this bundle: - "Apache Stanbol Data: DBpedia.org defaultdata version (org.apache.stanbol.data.sites.dbpedia.default)"
But I see this one: - "Apache Stanbol Default Data (org.apache.stanbol.defaultdata)" Are you referring to the latter? BR David On Thu, Jul 21, 2011 at 7:10 AM, Rupert Westenthaler < [email protected]> wrote: > Hi David, all > > With the changes from yesterday (revision r1148947 and r1148948) it is > now easily possible to deactivate the default configuration for > dbPedia provided by the Stanbol launcher and to replace it with the > one the uses the remote services with a local cache. > > Steps: > > 1. use the current launcher > 2. go to the Bundle tab of the Apache Felix Webconsole > 3. stop the Bundle "Apache Stanbol Data: DBpedia.org defaultdata > version (org.apache.stanbol.data.sites.dbpedia.default)" > 4. install and start the Bundle "Apache Stanbol Data: Remote > DBpedia.org with local cache > (org.apache.stanbol.data.sites.dbpedia.cached)". You can find this > bundle in "{stanbol-trunk}/data/sites/dbpediacached". > > best > Rupert > > On Mon, Jul 18, 2011 at 1:15 PM, Rupert Westenthaler > <[email protected]> wrote: > > Hi > > > > Rather than working on the Workaround I decided to invest some time in > > finishing STANBOL-140 and implementing STANBOL-287. > > Together with the proposal made in [1] to split up the default data in > > several bundles this should solve the issues described/discussed here. > > > > best > > Rupert > > > > [1] http://markmail.org/message/bf7qurmzos45h23b > > > > On Thu, Jul 14, 2011 at 8:34 AM, Rupert Westenthaler > > <[email protected]> wrote: > >> On Thu, Jul 14, 2011 at 8:30 AM, David Riccitelli > >> <[email protected]> wrote: > >>> Thanks Rupert, > >>> > >>> A description on how to do this is available in [1]. > >>> > >>> > >>> I can't see the [1] :-) > >> > >> does this count as missing attachment? ^^ > >> > >> [1] > http://svn.apache.org/repos/asf/incubator/stanbol/trunk/entityhub/yard/solr/src/main/resources/solr/core/ > >> > >>> > >>> David > >>> > >>> On Thu, Jul 14, 2011 at 8:56 AM, Rupert Westenthaler < > >>> [email protected]> wrote: > >>> > >>>> Hi > >>>> > >>>> Yes this is possible, but would need (depending on the hardware) quite > >>>> some time. > >>>> A description on how to do this is available in [1]. > >>>> > >>>> Instead of installing the dbpedia.solrindex.zip file as described in > >>>> the readme, you could directly > >>>> > >>>> * shutdown stanbol > >>>> * delete the "dbpedia_43k" index in > >>>> "{stanbol-root}/sling/entityhub/solrYard/indexes" > >>>> * copy the index located in the > >>>> "{indexing-root}/indexing/destination/indexes" to > >>>> "{stanbol-root}/sling/entityhub/solrYard/indexes" and rename it to > >>>> "dbpedia_43k" > >>>> * restart stanbol. > >>>> > >>>> After that Stanbol should use the new index. > >>>> > >>>> Copying the "dbpedia.solrindex.zip" to the datafiles directory and > >>>> than changing the value of "Solr Index/Core" in the configuration of > >>>> the SolrYard for dbPedia form "dbpedia_43k" to "dbpedia" should also > >>>> work. > >>>> > >>>> best > >>>> Rupert > >>>> > >>>> On Wed, Jul 13, 2011 at 11:58 AM, David Riccitelli > >>>> <[email protected]> wrote: > >>>> > Hi, > >>>> > > >>>> > As another workaround, I was thinking that I could actually generate > >>>> locally > >>>> > the DBpedia index with all the data using the dumps ( > >>>> > http://wiki.dbpedia.org/Downloads36), in a way similar to the > >>>> dbpedia_43k. > >>>> > > >>>> > What do you think? > >>>> > > >>>> > Thanks, > >>>> > David > >>>> > > >>>> > On Wed, Jul 13, 2011 at 12:11 PM, Rupert Westenthaler < > >>>> > [email protected]> wrote: > >>>> > > >>>> >> Hi > >>>> >> > >>>> >> I will try to find some time in the evening to reproduce this. > >>>> >> > >>>> >> On Wed, Jul 13, 2011 at 8:57 AM, David Riccitelli > >>>> >> <[email protected]> wrote: > >>>> >> > Thanks Rupert, > >>>> >> > > >>>> >> > I'm trying to follow your instructions but I encounter a couple > of > >>>> issues > >>>> >> > (probably due to inexperience): > >>>> >> > [1] when dropping the config files, they enter some loop of > >>>> >> > REGISTERING/UNREGISTERING (which I solve by stopping the > FileInstall > >>>> >> > bundle), is that normal? > >>>> >> > >>>> >> This is very strange and should not be caused by the FileInstaller. > >>>> >> Maybe there is some loop between the Sling Installer - trying to > >>>> >> install the default configuration and the FileInstaller that may > cause > >>>> >> this under some circumstances. > >>>> >> > >>>> >> > [2] after I restart Stanbol, and try to query an entity from the > >>>> >> entityhub > >>>> >> > I receive the following error: > >>>> >> > > >>>> >> > 13.07.2011 09:54:17.939 *WARN* [509017110@qtp-1586831707-0] > >>>> >> > org.apache.felix.http.jetty /entityhub/sites/entity/ > >>>> >> > (java.lang.IllegalStateException: Unable to initialize the Cache > with > >>>> >> Yard > >>>> >> > dbpediaCache! This is usually caused by Errors while reading the > Cache > >>>> >> > Configuration from the Yard.) java.lang.IllegalStateException: > Unable > >>>> to > >>>> >> > initialize the Cache with Yard dbpediaCache! This is usually > caused by > >>>> >> > Errors while reading the Cache Configuration from the Yard. > >>>> >> > at > >>>> >> > > >>>> >> > >>>> > org.apache.stanbol.entityhub.core.site.CacheImpl.getCacheYard(CacheImpl.java:214) > >>>> >> > > >>>> >> > > >>>> >> > Do I need to initialize the Cache in some way? > >>>> >> > > >>>> >> No it does not. Prepared in Indexes do include a document that > >>>> >> provides a list of the indexed fields. In future this may be used > to > >>>> >> determine if a query can be successfully executed on the local > index > >>>> >> or not. In addition this is used in case an Entity within the index > is > >>>> >> updated with an newer version. > >>>> >> However this configuration is optional and is not required. This > >>>> >> Exception should only appear if the document is present but illegal > >>>> >> formatted. However the SolrYard initialized for the dbpediaCache > >>>> >> should be empty. > >>>> >> > >>>> >> Therefore I think it is somehow related to the above problem of > >>>> >> overriding configurations. > >>>> >> > >>>> >> In general the way how the default configuration is loaded is > >>>> >> sub-optional in the moment. Especially using a single defaultdata > >>>> >> bundle for both the OpenNLP models and the dbpedia configuration + > >>>> >> default index was not a good Idea, because one can not > exclude/change > >>>> >> the dbpedia stuff without affecting other components that depend on > >>>> >> OpenNLP. > >>>> >> Therefore I think we need to discuss how to better structure the > >>>> >> configurations and data needed to run stanbol. > >>>> >> > >>>> >> There is also an other issue that the SolrYard only once copies > >>>> >> provided indexes and does not check for updates. This would it make > >>>> >> hard the upgrade from the small index provided with the default > data > >>>> >> to a bigger version. > >>>> >> > >>>> >> Both this things are related to the problems and need to be > addressed > >>>> >> before the first stanbol release. Independent of those I will try > to > >>>> >> find a simple solution for what you intend to do. > >>>> >> > >>>> >> In the meantime I suggest you go for the initially proposed > workaround. > >>>> >> > >>>> >> best > >>>> >> Rupert Westenthaler > >>>> >> > >>>> >> > Thanks for your help, > >>>> >> > > >>>> >> > David > >>>> >> > > >>>> >> > > >>>> >> > On Mon, Jul 11, 2011 at 11:42 PM, Rupert Westenthaler < > >>>> >> > [email protected]> wrote: > >>>> >> > > >>>> >> >> Hi > >>>> >> >> > >>>> >> >> On Mon, Jul 11, 2011 at 8:17 PM, Andrea Giovanni Nuzzolese > >>>> >> >> <[email protected]> wrote: > >>>> >> >> > I solved in the same way, but loosing the caching > capabilities. > >>>> >> >> > Is there any possibility to keep both all the data and the > cache? > >>>> >> >> > > >>>> >> >> > Andrea > >>>> >> >> > > >>>> >> >> > On Jul 11, 2011, at 4:08 PM, David Riccitelli wrote: > >>>> >> >> > > >>>> >> >> >> Ok, stopping the solrYard dbpedia_43k component solved for > me. > >>>> >> >> >> > >>>> >> >> >> Thanks, > >>>> >> >> >> David > >>>> >> >> >> > >>>> >> >> >> On Mon, Jul 11, 2011 at 4:13 PM, David Riccitelli < > >>>> >> >> >> [email protected]> wrote: > >>>> >> >> >> > >>>> >> >> >>> Hi Rupert, > >>>> >> >> >>> > >>>> >> >> >>> I recently updated the Stanbol install, and I found that the > RDF > >>>> >> >> returned > >>>> >> >> >>> by the EntityHub is missing some props (specifically the > dbprop > >>>> as > >>>> >> far > >>>> >> >> as I > >>>> >> >> >>> can see). > >>>> >> >> >>> > >>>> >> >> >>> This is the command that I use for testing: > >>>> >> >> >>> curl -H "accept: application/rdf+xml" " > >>>> >> >> >>> > >>>> >> >> > >>>> >> > >>>> > http://localhost:8080/entityhub/site/dbpedia/entity?id=http://dbpedia.org/resource/Valentino_Rossi > >>>> >> >> >>> " > >>>> >> >> >>> > >>>> >> >> >>> which outputs the attached RDF file. > >>>> >> >> >>> > >>>> >> >> >>> I cleared all of the sling folder (rm -fr sling) and checked > the > >>>> >> with > >>>> >> >> the > >>>> >> >> >>> SPAQL end-point at DBpedia, but I wasn't able to fix it. > >>>> >> >> >>> > >>>> >> >> >>> Does this depend on the mapping.txt file? > >>>> >> >> >>> > >>>> >> >> > >>>> >> >> If you plan to create your own dbpedia index, than the > mapping.txt > >>>> >> >> file would be the way how to configure what properties are > >>>> >> >> includes/excluded. > >>>> >> >> Typically dbprop values are low quality. They are just naive 1:1 > >>>> >> >> mappings of key value pairs as found in the info boxes. Because > of > >>>> >> >> this they are excluded from the indexes. > >>>> >> >> > >>>> >> >> At runtime the returned data depend on the used Cache strategy: > >>>> >> >> > >>>> >> >> Currently there are three possibilities (configured with the > >>>> referenced > >>>> >> >> Site) > >>>> >> >> 1) no cache: bot queries and retrieval so use a remote service > >>>> >> >> 2) used: Queries are executed by the remote service. Retrieved > >>>> >> >> Entities are stored locally. The cached data depend on the > mappings > >>>> >> >> defined for the cache. > >>>> >> >> 3) all: Both queries and retrieval are based on the cache. The > remote > >>>> >> >> service are only used as fallback in the case that the cache is > not > >>>> >> >> available (e.g. if you deactivate solrYard). > >>>> >> >> > >>>> >> >> So if you you are fine with (2) than you could use the > configuration > >>>> >> >> as previously used by the stable launcher [1]. > >>>> >> >> I think the easiest way to install this is to use this is to add > the > >>>> >> >> Felix File Installer [2] to the Stanbol Environment. You will > need to > >>>> >> >> delete the current referencedSite for dbpedia first and than add > the > >>>> >> >> three configuration files as described by [1]. > >>>> >> >> > >>>> >> >> If your requirements are not covered by the currently available > >>>> option > >>>> >> >> it would be nice if you could write a short user story, because > I am > >>>> >> >> thinking about how to improve this feature and input like that > would > >>>> >> >> be really valuable. > >>>> >> >> > >>>> >> >> best > >>>> >> >> Rupert Westenthaler > >>>> >> >> > >>>> >> >> [1] The dbpedia config consists of three files. the referenced > site, > >>>> >> >> cache and solryard components with the "-dbpedia" endings. > >>>> >> >> > >>>> >> >> > >>>> >> > >>>> > http://svn.apache.org/viewvc/incubator/stanbol/trunk/launchers/stable/src/main/resources/resources/config/?pathrev=1140181 > >>>> >> >> > >>>> >> >> [2] http://felix.apache.org/site/apache-felix-file-install.html > >>>> >> >> > >>>> >> >> p.s. I keep this part because it describes very well how the > cache > >>>> >> >> strategy "used" work: > >>>> >> >> >>>>> Hi David > >>>> >> >> >>>>> > >>>> >> >> >>>>> Assuming that you are using the default distribution of > Apache > >>>> >> >> Stanbol. > >>>> >> >> >>>>> > >>>> >> >> >>>>> Requests for http://dbpedia.org/resource/Valentino_Rossiwill > >>>> be > >>>> >> >> >>>>> - only the first time answered by retrieving the Entity > form > >>>> >> >> DBpedia.org > >>>> >> >> >>>>> - the Information are cached in a local cache. By that > values > >>>> of > >>>> >> the > >>>> >> >> >>>>> documents are filtered (see (a) for details) > >>>> >> >> >>>>> - the cached version is returned > >>>> >> >> >>>>> > >>>> >> >> >>>>> (a) The default configuration for dbpedia stores all > fields > >>>> >> however > >>>> >> >> >>>>> filters values for literals so that only values with the > >>>> language > >>>> >> >> "en, > >>>> >> >> >>>>> de, fr, it, es" or no language are stored. > >>>> >> >> >>>>> > >>>> >> >> >>>>> > >>>> >> >> >>>>> Assuming that you have started for zero when updating to a > new > >>>> >> >> version > >>>> >> >> >>>>> this also means that you have downloaded a new version of > this > >>>> >> Entity > >>>> >> >> >>>>> from dbPedia. > >>>> >> >> >>>>> > >>>> >> >> > >>>> >> >> -- > >>>> >> >> | Rupert Westenthaler [email protected] > >>>> >> >> | Bodenlehenstraße 11 > ++43-699-11108907 > >>>> >> >> | A-5500 Bischofshofen > >>>> >> >> > >>>> >> > > >>>> >> > > >>>> >> > > >>>> >> > -- > >>>> >> > David Riccitelli > >>>> >> > > >>>> >> > Interact SpA > >>>> >> > Via A. Bargoni 78 (scala F) > >>>> >> > 00153 Roma > >>>> >> > > >>>> >> > T +39 06 58318 301 > >>>> >> > F +39 06 58318 303 > >>>> >> > > >>>> >> > >>>> >> > >>>> >> > >>>> >> -- > >>>> >> | Rupert Westenthaler [email protected] > >>>> >> | Bodenlehenstraße 11 ++43-699-11108907 > >>>> >> | A-5500 Bischofshofen > >>>> >> > >>>> > > >>>> > > >>>> > > >>>> > -- > >>>> > David Riccitelli > >>>> > > >>>> > Interact SpA > >>>> > Via A. Bargoni 78 (scala F) > >>>> > 00153 Roma > >>>> > > >>>> > T +39 06 58318 301 > >>>> > F +39 06 58318 303 > >>>> > > >>>> > >>>> > >>>> > >>>> -- > >>>> | Rupert Westenthaler [email protected] > >>>> | Bodenlehenstraße 11 ++43-699-11108907 > >>>> | A-5500 Bischofshofen > >>>> > >>> > >>> > >>> > >>> -- > >>> David Riccitelli > >>> > >>> Interact SpA > >>> Via A. Bargoni 78 (scala F) > >>> 00153 Roma > >>> > >>> T +39 06 58318 301 > >>> F +39 06 58318 303 > >>> > >> > >> > >> > >> -- > >> | Rupert Westenthaler [email protected] > >> | Bodenlehenstraße 11 ++43-699-11108907 > >> | A-5500 Bischofshofen > >> > > > > > > > > -- > > | Rupert Westenthaler [email protected] > > | Bodenlehenstraße 11 ++43-699-11108907 > > | A-5500 Bischofshofen > > > > > > -- > | Rupert Westenthaler [email protected] > | Bodenlehenstraße 11 ++43-699-11108907 > | A-5500 Bischofshofen > -- David Riccitelli ----- Skype: ziodave Twitter: @ziodave LinkedIn: http://it.linkedin.com/in/riccitelli ----- Interact SpA Via A. Bargoni 78 (scala F) 00153 Roma T +39 06 58318 301 F +39 06 58318 303
