| Vvjjkkii renamed this task from "Federated SPARQL queries using datos.bne.es don't allow binding" to "ysaaaaaaaa". Vvjjkkii reopened this task as "Open". Vvjjkkii triaged this task as "High" priority. Vvjjkkii removed a subscriber: Aklapper. Vvjjkkii added projects: CheckUser, Connected-Open-Heritage-Batch-uploads (RAÄ-KMB_1_2017-02), Tamil-Sites, Gamepress, Hashtags, JADE, KartoEditor, Language-2018-Apr-June, New-Editor-Experiences, Mail, TCB-Team. Vvjjkkii updated the task description. (Show Details) |
CHANGES TO TASK DESCRIPTION
While a simple federated query with http://datos.bne.es/sparql works as expected [[ https://query.wikidata.org/#SELECT%20%2a%20WHERE%20%7B%0A%20%20SERVICE%20%3Chttp%3A%2F%2Fdatos.bne.es%2Fsparql%3E%20%7B%0A%20%20%20%20%3Chttp%3A%2F%2Fdatos.bne.es%2Fresource%2FXX1719671%3E%20%3Fprop%20%3Fvalue%20.%0A%20%20%7D%0A%7D | from the Query Service ]]...
```
SELECT * WHERE {
SERVICE <http://datos.bne.es/sparql> {
<http://datos.bne.es/resource/XX1719671> ?prop ?value .
}
}
an equivalent one using BIND [[ https://query.wikidata.org/#SELECT%20%2a%20WHERE%20%7B%0A%20%20BIND%28%3Chttp%3A%2F%2Fdatos.bne.es%2Fresource%2FXX1719671%3E%20AS%20%3Fid%29%0A%20%20SERVICE%20%3Chttp%3A%2F%2Fdatos.bne.es%2Fsparql%3E%20%7B%0A%20%20%20%20%3Fid%20%3Fprop%20%3Fvalue%20.%0A%20%20%7D%0A%7D | does not ]]...
```
SELECT * WHERE {
BIND(<http://datos.bne.es/resource/XX1719671> AS ?id)
SERVICE <http://datos.bne.es/sparql> {
?id ?prop ?value .
}
}
but [[ https://query.wikidata.org/#SELECT%20%2a%20WHERE%20%7B%0A%20%20BIND%28%3Chttp%3A%2F%2Fdbpedia.org%2Fresource%2FUniverse%3E%20AS%20%3Fid%29%0A%20%20SERVICE%20%3Chttp%3A%2F%2Fdbpedia.org%2Fsparql%3E%20%7B%0A%20%20%20%20%3Fid%20%3Fprop%20%3Fvalue%20.%0A%20%20%7D%0A%7D | it does ]] with other data sources like DBpedia...
```
SELECT * WHERE {
BIND(<http://dbpedia.org/resource/Universe> AS ?id)
SERVICE <http://dbpedia.org/sparql> {
?id ?prop ?value .
}
}
```
I guess this is caused by the fact that http://datos.bne.es/sparql doesn't allow binding. However, if true, this would work if we replaced the corresponding variables with their content in our side.
Federated queries without binding aren't very useful.26570726f6475636520796f757220627567207573696e67206120726563656e742076657273696f6e206f662074686520736f6674776172652c20746f2068652077696b6920636f6e74656e74206c616e67756167652e0a0a5468616e6b20796f752e0a546167730a436865636b557365720ad70a436f6e6e65637465642d4f70656e2d48657269746167652d42617463682d75706c6f61647320285241c42d4b4d425f315f323031372d3032290ad70a54616d696c2d53697465730ad70a47616d6570726573730ad70a48617368746167730ad70a4a4144450ad70a4b6172746f456469746f720ad70a4c616e67756167652d323031382d4170722d4a756e650ad70a4e65772d456469746f722d457870657269656e6365730ad70a4d61696c0ad70a5443422d5465616d0ad70a53756273637269626572730a4465736372697074696f6e20507265766965770a436f6e74656e77a6f6e652073657474696e6720696e20796f75722070726f66696c652c20636c69636b20746f207265636f6e63696c652e
```
SELECT * WHERE {
SERVICE <http://datos.bne.es/sparql> {
<http://datos.bne.es/resource/XX1719671> ?prop ?value .
}
}
an equivalent one using BIND [[ https://query.wikidata.org/#SELECT%20%2a%20WHERE%20%7B%0A%20%20BIND%28%3Chttp%3A%2F%2Fdatos.bne.es%2Fresource%2FXX1719671%3E%20AS%20%3Fid%29%0A%20%20SERVICE%20%3Chttp%3A%2F%2Fdatos.bne.es%2Fsparql%3E%20%7B%0A%20%20%20%20%3Fid%20%3Fprop%20%3Fvalue%20.%0A%20%20%7D%0A%7D | does not ]]...
```
SELECT * WHERE {
BIND(<http://datos.bne.es/resource/XX1719671> AS ?id)
SERVICE <http://datos.bne.es/sparql> {
?id ?prop ?value .
}
}
but [[ https://query.wikidata.org/#SELECT%20%2a%20WHERE%20%7B%0A%20%20BIND%28%3Chttp%3A%2F%2Fdbpedia.org%2Fresource%2FUniverse%3E%20AS%20%3Fid%29%0A%20%20SERVICE%20%3Chttp%3A%2F%2Fdbpedia.org%2Fsparql%3E%20%7B%0A%20%20%20%20%3Fid%20%3Fprop%20%3Fvalue%20.%0A%20%20%7D%0A%7D | it does ]] with other data sources like DBpedia...
```
SELECT * WHERE {
BIND(<http://dbpedia.org/resource/Universe> AS ?id)
SERVICE <http://dbpedia.org/sparql> {
?id ?prop ?value .
}
}
```
I guess this is caused by the fact that http://datos.bne.es/sparql doesn't allow binding. However, if true, this would work if we replaced the corresponding variables with their content in our side.
Federated queries without binding aren't very useful.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
TASK DETAIL
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To: Vvjjkkii
Cc: Smalyshev, Esc3300, Lucas_Werkmeister_WMDE, abian, AndyTan, Zylc, 1978Gage2001, Lahi, Gq86, Darkminds3113, herron, pan199312, GoranSMilovanovic, Chicocvenancio, alanajjar, QZanden, EBjune, Tbscho, merbst, LawExplorer, Lea_WMDE, Mattias_Ostmar-WMSE, Avner, JJMC89, Gehel, Jseddon, Ryuch, Mkdw, RuyP, JEumerus, Jonas, FloNight, Xmlizer, Trizek-WMF, KasiaWMDE, 0x010C, srodlund, Luke081515, grin, Bsadowski1, mys_721tx, jkroll, Wikidata-bugs, Jdouglas, Snowolf, aude, Tobias1984, Huji, Manybubbles, Gryllida, jayvdb, Tobi_WMDE_SW, revi, scfc, He7d3r, Romaine, Mbch331, Jay8g, Glaisher, Krenair, chasemp, Aklapper
Cc: Smalyshev, Esc3300, Lucas_Werkmeister_WMDE, abian, AndyTan, Zylc, 1978Gage2001, Lahi, Gq86, Darkminds3113, herron, pan199312, GoranSMilovanovic, Chicocvenancio, alanajjar, QZanden, EBjune, Tbscho, merbst, LawExplorer, Lea_WMDE, Mattias_Ostmar-WMSE, Avner, JJMC89, Gehel, Jseddon, Ryuch, Mkdw, RuyP, JEumerus, Jonas, FloNight, Xmlizer, Trizek-WMF, KasiaWMDE, 0x010C, srodlund, Luke081515, grin, Bsadowski1, mys_721tx, jkroll, Wikidata-bugs, Jdouglas, Snowolf, aude, Tobias1984, Huji, Manybubbles, Gryllida, jayvdb, Tobi_WMDE_SW, revi, scfc, He7d3r, Romaine, Mbch331, Jay8g, Glaisher, Krenair, chasemp, Aklapper
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