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rdflib 0.2.9

  • Address CRAN vignette building.

rdflib 0.2.8

  • tests fail gracefully on CRAN without internet resources

rdflib 0.2.7

make jsonld an optional dependency

rdflib 0.2.6

  • bugfix vroom warning

rdflib 0.2.5

  • bugfix UTF-8

rdflib 0.2.4

  • bugfix in write_nquads() for rdf method

rdflib 0.2.3 2020-01-10

  • Drop import of deprecated redland method, getNextResult (#33)

rdflib 0.2.2 2019-01-15

  • Minor patch to fix license file
  • Updates documentation with hex

rdflib 0.2.1 2018-11-25

  • Minor patch to make test compatible with breaking change in readr 1.2.0 (#30)

rdflib 0.2.0 2018-11-13

New Features

  • rdf() supports all major storage backends: Virtuoso, SQLite, Postgres, MySQL, in addition to existing support for BDB and memory-based storage.
  • length() method added to report length of triplestore
  • print() method gains rdf_max_print() option and does not print huge triplestores
  • print() method sumarizes total number of triples and backend

rdflib 0.1.0 (2018-03-02)

New Features

  • rdf() supports BDB backend for disk-based storage for large triplestores #6
  • rdf_parse() gains an argument rdf to append triples to existing graph
  • adds c() method to concatenate rdf objects
  • Performance improvements make it possible to handle triplestores with millions of triples
  • Two new vignettes better introduce RDF and package functions.

Minor Improvements

  • rdf_query now bypasses the very slow iteration over getNextResult approach and uses an internal redland function call to access all results at once in csv format.

  • experimental as_rdf method now uses a poor-man's nquad serializer to rapidly generate rdf (instead of slowly iterating over add_rdf).

  • rdf_add argument for object can now take all atomic types (numeric, integer, string, Date, POSIX, logical) and will automatically declare the appropriate datatype_uri if the user has not manually specified this.

  • Numerous improvements to documentation from rOpenSci onboarding feedback, see #9 and #10

  • both functions and unit tests are broken out into separate files in their respective directories.

  • Additional example RDF data added in extdata

  • rdf_serialize passes ... arguments to serializeToFile (e.g. to set a baseUri)

Bug Fixes

  • rdf_free() will also remove the object from the parent frame, reducing the potential for crashing R by referring to a freed pointer.
  • fix encoding with UTF-8 characters (coming from nquads & ntriples)
  • rdf_query() now coerces data into appropriate type if it recognizes the data URI and can match that to an R type (a few XMLSchema types are recognized, otherwise still defaults to character string)
  • Memory management: All methods free memory from any temporary objects they initialize, tests free memory. (e.g. parsers, serializers, query, statement)
  • extend unit tests to cover new features, check UTF-8
  • turtle parser/serializer fixed

Deprecated

  • trig support removed (not working in redland without optional libraries and alternative compile configuration)

rdflib 0.0.3 (2018-01-02)

Bug Fixes

  • add paper.md
  • add package level documentation
  • set base uri when serializing json-ld to rdf (#5)

rdflib 0.0.2 (2018-01-02)

New Features

  • Added a NEWS.md file to track changes to the package.
  • sparql query returns a data.frame format
  • added a vignette
  • added pkgdown website for vignette

rdflib 0.0.1 (2017-12-09)

  • Initial prototype