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Hello
I am trying the sample example from the specfications in section 3.3 (3.3 Example: Mapping a JSON data source) but it is outputting an empty turtle file,
the commands i am using is:
java -j…
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To generate the Knowledge Graph the MusicBrainz database is used together with the Music Ontology as dictionary. This task will use as reference the [MusicBrainz-R2RML repo](https://github.com/LinkedB…
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I was going through the RML Specs and i tried the examples found at the beginning of the the Specs Document at http://rml.io/spec.html.
I created a small github repo for the examples at https://gith…
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I have been having trouble mapping CSV fields containing accented characters (e.g. é). In the example attached, I have no problem mapping from the "Ref" field into triples, but any triples referencing…
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Hi,
I wonder if you have any guide on how to use the RML Processor from within a Java application, understood as a library from which we would call a function with input the mapping.
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Hi,
I have a question about the use of hardcoded inputfiles in the mapping. Until now, I used streams. But I face the problem of vast input files, which will cause Java memory issues errors. Somewh…
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## Context
As seen in [this paper](https://homepages.dcc.ufmg.br/~mtov/pub/2019-msr.pdf), a way to identify expert in a project is to look at their commit history - more precisely to look at featur…
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Hello all,
I don't know if this is a current issue with the application or I just haven't found the feature. When mapping a JSON (an array of several hundred values) using RML-Mapper, I get very sl…
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Hi,
is it possible to perform normalization in RML?
For example, when contracting URIs we want to normalize the names.
Example:
We want smth like:
http://linked-web-apis.fit.cvut.cz/resource/…
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Hi!
I have a simple table "surveys" (containing some survey data, in a postgresql DB) with the following columns (simplified for this report):
* id - id of the survey (int)
* name - name of the p…