| Title: | Interact with Data Type Registries and Create Machine-ReadableData |
| Version: | 1.1.2 |
| Description: | You can load a schema from a DTR (data type registry) as an R object. Use this schema to write your data in JSON-LD (JavaScript Object Notation for Linked Data) format to make it machine readable. |
| License: | MIT + file LICENSE |
| URL: | https://gitlab.com/TIBHannover/lki/knowledge-loom/dtreg-r |
| BugReports: | https://gitlab.com/TIBHannover/lki/knowledge-loom/dtreg-r/-/issues |
| Depends: | R (≥ 4.1.0) |
| Imports: | httr2, jsonlite, methods, R6, stringr |
| Suggests: | knitr, rmarkdown, sets, stats, testthat (≥ 3.0.0) |
| VignetteBuilder: | knitr |
| Config/testthat/edition: | 3 |
| Encoding: | UTF-8 |
| RoxygenNote: | 7.2.3 |
| NeedsCompilation: | no |
| Packaged: | 2025-11-24 09:02:33 UTC; LezhninaO |
| Author: | Olga Lezhnina [aut], Manuel Prinz [aut], Markus Stocker [aut, cre], Open Research Knowledge Graph Project and Contributors [cph] |
| Maintainer: | Markus Stocker <markus.stocker@tib.eu> |
| Repository: | CRAN |
| Date/Publication: | 2025-11-24 13:30:13 UTC |
dtreg: Interact with Data Type Registries and Create Machine-Readable Data
Description
You can load a schema from a DTR (data type registry) as an R object. Use this schema to write your data in JSON-LD (JavaScript Object Notation for Linked Data) format to make it machine readable.
Author(s)
Maintainer: Markus Stockermarkus.stocker@tib.eu (ORCID)
Authors:
Olga Lezhninaolga.lezhnina@tib.eu (ORCID)
Manuel Prinzmanuel.prinz@tib.eu (ORCID)
Other contributors:
Open Research Knowledge Graph Project and Contributors [copyright holder]
See Also
Useful links:
Load classes for a schema with the known identifier
Description
Load a list of R6 classes for a schema identifier, such asan ePIC datatype DOI or an ORKG template URL.The classes contain information of the requested schema and nested schemata.
Usage
load_datatype(datatype_id)Arguments
datatype_id | A schema identifier, such as a DOI or a URL |
Value
A list of R6 classes
Examples
dt <- dtreg::load_datatype("https://doi.org/21.T11969/aff130c76e68ead3862e")Show schema fields
Description
Show which fields of a schema can be used for creating an instance
Usage
show_fields(datatype)Arguments
datatype | An R6 class from dtreg::load_datatype |
Value
A character vector of available fields
Examples
dt <- dtreg::load_datatype("https://doi.org/21.T11969/aff130c76e68ead3862e")dtreg::show_fields(dt$data_item())Write an instance in JSON-LD format
Description
Write an instance of a schema-related classin JSON-LD format as a string
Usage
to_jsonld(instance)Arguments
instance | An instance of an R6 class |
Value
JSON string in JSON-LD format
Examples
dt <- dtreg::load_datatype("https://doi.org/21.T11969/aff130c76e68ead3862e")instance <- dt$data_item(label = "my_results")result <- dtreg::to_jsonld(instance)