oeg-upm/rmlc-statistic

Name: rmlc-statistic

Owner: Ontology Engineering Group (UPM)

Description: RMLC iterator

Created: 2018-05-07 13:53:27.0

Updated: 2018-05-11 15:09:10.0

Pushed: 2018-05-11 15:09:09.0

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Size: 1655

Language: JavaScript

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README

RMLC Iterator

Is each column of your statistic CSV file a R2RML mapping? Do you repeat the mapping multiple times changing the identifiers and the name of the column? Reduce the complexity of your mappings creating a single RMLC mapping with an iterator. The iterator is a local variable where its value will be the name of each column ($name).

You can define the iterated columns using two different properties:

• rmlc:columns : where you define the name of the CSV columns where the mapping will iterate. Check an example of a mapping with this property here and the resulted R2RML mapping
• rmlc:columnRange : where you define a range between two CSV columns where the mapping will iterate. Check an example of a mapping with this property here and the resulted R2RML mapping

How to run it?

clone https://github.com/dachafra/rmlc-statistic
mlc-statistic
clean install
 -jar target/rmlc-statistic-1.0.jar -m path -c path

Where the arguments are:

• -m: Path to the mapping with iterators. Mandatory
• -c: Path to the CSV file. Mandatory

The resulted R2RML mapping will be in the path of the mapping file with the same name but with an r2rml.ttl extension