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When running RML conversion for a XML file with multi level join condition. Key error is raised.
TTL file
`
@prefix rr: .
@prefix rml: .
@prefix ql: .
@prefix xsd: .
@prefix ex: .
@base .
…
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TeXconf2017 の雑談で，「pTeX 系列のバイナリ，4つも要らないよね？」という話題が出ました。
- eptex/euptex はそれぞれ ptex/uptex の上位互換である
- TeX Live では，etex はもはや「素の e-TeX」ではなく，pdftex のエイリアスになっている
という事情から，ptex => eptex，uptex => euptex のエ…
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## Why?
GraphQL is a hot topic amongst developers and tool vendors.
There are several implementations of GraphQL over RDF (HyperGraphQL, Comunica, TopQuadrant, StarDog), and we at Onto are also wo…
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- [x] 00006b: the SPARQL query does not contain an `id` variable. Here is a solution:
```
rml:iterator """
PREFIX foaf:
SELECT ?id ?name ?age WHERE {
?person foaf:name ?…
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Hi @dachafra,
> Opening up a new issue as suggested in [#77](https://github.com/oeg-upm/yatter/issues/77#issuecomment-1963964367).
I have the following YARRRML file (actually it is longer and I …
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When testing the usage of yarrrml versus rml mapping file (with the rml file being a conversion of yarrrml, so the same mappings), yarrrml is slightly quicker (+-10%).
When looking in the code of mor…
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There are aslo some constraints appeared in [RINF XSD Schema V1.5 ](https://www.era.europa.eu/system/files?file=2022-11/rinf_schema_en.xsd) but they are not available in [SHACL shapes](https://data-in…
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I'm having issues when converting DVI to SVG when the DVI contains Japanese text. I can use `dvipdfmx` to convert DVI to PDF, then `dvisvgm` to convert the PDF to SVG successfully. However, if I try t…
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#### What Happens?
I'm trying to generating [deeply nested quoted triples]( https://kg-construct.github.io/rml-star/spec/docs/#nested
),but failed.(I tried [ordinary quoted](https://kg-construct.gi…
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### Please confirm that;
- [X] I have checked the [documentation](https://blenderdmx.eu/docs/faq/), and I didn't find a solution to my problem / an answer to my question.
- [X] I have searched the…