Alexandre so cool Noa may be taking the idea of ROE (to manipulate queries) and creating a ROE for SPARQL should be investigated. Is your student good. I do not remember how roe is implemented.
Stef\ On 03 Mar 2014, at 01:22, Alexandre Bergel <[email protected]> wrote: > I’ve just tried and it works pretty well! Impressive! > > Below I describe a small example that fetches some data about the US > Universities from DBPedia and visualize them using Roassal2. > > Pick a fresh 3.0 image. > > First, you need to load Hernán work, Sven’s NeoJSON, and Roassal 2 (If you > are using a Moose Image, there is no need to load Roassal2 since it is > already in): > -=-=-=-=-=-=-=-=-=-=-=-=-=-=-= > Gofer it > smalltalkhubUser: 'SvenVanCaekenberghe' project: 'Neo'; > package: 'ConfigurationOfNeoJSON'; > load. > ((Smalltalk at: #ConfigurationOfNeoJSON) load). > > Gofer it > smalltalkhubUser: 'hernan' project: 'DBPedia'; > package: 'DBPedia'; > load. > > Gofer it > smalltalkhubUser: 'ObjectProfile' project: 'Roassal2'; > package: 'ConfigurationOfRoassal2'; > load. > ((Smalltalk at: #ConfigurationOfRoassal2) loadBleedingEdge). > > -=-=-=-=-=-=-=-=-=-=-=-=-=-=-= > > Using Roassal2, I was able to render some data extracted from dbpedia: > > -=-=-=-=-=-=-=-=-=-=-=-=-=-=-= > | map locations rawData rawData2 rawData3 | > map := RTMapBuilder new. > > map countries: #('UnitedStates' 'Canada' 'Mexico'). > map color: Color veryVeryLightGray. > > rawData := DBPediaSearch universitiesInUS. > rawData2 := ((NeoJSONReader fromString: rawData) at: #results) at: #bindings. > rawData3 := rawData2 select: [ :d | d keys includesAll: #('label' 'long' > 'lat') ] thenCollect: [ :d | { (Float readFrom: ((d at: 'long') at: 'value')) > . (Float readFrom: ((d at: 'lat') at: 'value')) . (d at: 'label' ) at: > 'value' } ]. > > > locations := rawData3. > locations do: [ :array | > map cities addCityNamed: array third location: array second @ array > first ]. > map cities shape size: 8; color: (Color blue alpha: 0.03). > map cities: (locations collect: #third). > > map scale: 2. > > map render. > map view openInWindowSized: 1000 @ 500. > -=-=-=-=-=-=-=-=-=-=-=-=-=-=-= > > This is what you get: > > <Screen Shot 2014-03-02 at 9.09.57 PM.png> > > This is a small example. Naturally, adding popup for locations is trivial to > add. > > I have described this on our Facebook page: > https://www.facebook.com/ObjectProfile/photos/a.341189379300999.82969.340543479365589/596623173757617/?type=1&theater > > Hernán, since SPARQL is a bit obscure, it would be great if you could add > some more example, and also, how to parametrize the examples. For example, > now we can get data for the US, how to modify your example to get them for > France or Chile? > > Cheers, > Alexandre > > > On Mar 2, 2014, at 3:43 PM, Hernán Morales Durand <[email protected]> > wrote: > >> I have uploaded a new configuration so you can query the english Wikipedia >> dataset from Pharo 3 using SPARQL. Some examples follow: >> >> 1) Retrieve in JSON movies from the beautiful Julianne Moore: >> >> | jsonResults | >> jsonResults := DBPediaSearch new >> setJsonFormat; >> timeout: 5000; >> query: 'SELECT DISTINCT ?filmName WHERE { >> ?film foaf:name ?filmName . >> ?film dbpedia-owl:starring ?actress . >> ?actress foaf:name ?name. >> FILTER(contains(?name, "Julianne")) >> FILTER(contains(?name, "Moore")) >> }'; >> execute >> >> To actually get only the titles using NeoJSON: >> >> ((((NeoJSONReader fromString: jsonResults) at: #results) at: #bindings) >> collect: [ : entry | entry at: #filmName ]) collect: [ : movie | movie >> at: #value ] >> >> >> 2) Retrieve in XML which genre plays those crazy Dream Theater guys : >> >> DBPediaSearch new >> setXmlFormat; >> setDebugOn; >> timeout: 5000; >> query: 'SELECT DISTINCT ?genreLabel >> WHERE { >> ?resource dbpprop:genre ?genre. >> ?resource rdfs:label "Dream Theater"@en. >> ?genre rdfs:label ?genreLabel >> FILTER (lang(?genreLabel)="en") >> } >> LIMIT 100'; >> execute >> >> More examples are available in DBPediaSearch class side. You can install it >> from the Configuration Browser. >> If you want to contribute, just ask me and you will be added as contributor. >> Best regards, >> >> Hernán >> >> _______________________________________________ >> Pharo-business mailing list >> [email protected] >> http://lists.pharo.org/mailman/listinfo/pharo-business_lists.pharo.org > > -- > _,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;: > Alexandre Bergel http://www.bergel.eu > ^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;._,.;:~^~:;. > > > > _______________________________________________ > Moose-dev mailing list > [email protected] > https://www.iam.unibe.ch/mailman/listinfo/moose-dev
