rudof

This repo contains an RDF data shapes library implemented in Rust. The implementation supports ShEx, SHACL, DCTap and conversions between different RDF data modeling formalisms.

The code can be used as a Rust library but it also contains a binary called rudof which can be used as an RDF playground.

We provide binaries for Linux, Windows, Mac and Docker (see releases), as well as Python bindings.

• Installation
• List of issues
• Discussion
• FAQ
• How to guides
• Roadmap

Installation

Official releases

You can download a binary from the latest release page. There you will also find the compiled packages for the installation on your system using a package manager.

Ubuntu

Download the binary from https://github.com/rudof-project/rudof/releases and install the .deb package running the following commands after replacing X.X.X by the latest version:

wget https://github.com/rudof-project/rudof/releases/download/vX.X.X/rudof_vX.X.X_amd64.deb
sudo dpkg -i rudof_vX.X.X_amd64.deb

Windows

The binary can be downloaded from https://github.com/rudof-project/rudof/releases

Mac

The binary is available at: https://github.com/rudof-project/rudof/releases so you can download the corresponding binary to your machine.

The usual way to run/install a binary in Mac is to download it in a folder, add that folder to your PATH and activating the binary using:

chmod +x <binary_file>

After that, the processor may complain the first time about security and you have to agree to use it. Once you agree, it should work.

cargo run -- validate --data examples/user.ttl --schema examples/user.shex --shapemap examples/user.sm 

cargo install cargo-deb

cargo deb

sudo dpkg -i target/debian/rudof_0.0.11-1_amd64.deb

Usage

Some examples

The folder examples contains several example files with ShEx schemas and RDF data.

Validate a simple RDF file with a ShEx schema using a ShapeMap

rudof validate --data examples/user.ttl --schema examples/user.shex --shapemap examples/user.sm

We maintain a Wiki page with some common Usage scenarios and How-to guides.

Debugging information

It is possible to change the debug level information with:

export RUST_LOG=value

where value can be debug to show more verbose information or info to show basic information.

Command line usage

RDF Data shapes implementation in Rust

Usage: rudof [OPTIONS] [COMMAND]

Commands:
  shapemap        Information about ShEx shapemaps
  shex            Information about ShEx schemas
  validate        RDF Validation using ShEx or SHACL
  shex-validate   RDF Validation using ShEx schemas
  shacl-validate  RDF Validation using SHACL shapes
  data            Information about RDF data
  node            Information about RDF nodes which are part of RDF Graphs
  shacl           Information about SHACL shapes
  dctap           Information and processing of DCTAP files
  convert         Conversion between different Data modeling technologies
  help            Print this message or the help of the given subcommand(s)

Options:
  -d, --debug...  
  -h, --help      Print help (see more with '--help')
  -V, --version   Print version

Obtaining information about a ShEx schema

$ rudof shex --help
Information about ShEx schemas

Usage: rudof shex [OPTIONS] --schema <Schema file name>

Options:
  -s, --schema <Schema file name>
          
  -f, --format <Schema format>
          [default: shexc] [possible values: internal, shexc, shexj, turtle, ntriples, rdfxml, trig, n3, nquads]
  -r, --result-format <Result schema format>
          [default: shexj] [possible values: internal, shexc, shexj, turtle, ntriples, rdfxml, trig, n3, nquads]
  -t, --show elapsed time
          
      --statistics
          
  -o, --output-file <Output file name, default = terminal>
          
  -h, --help
          Print help

Obtaining information about RDF data

$ rudof data --help
Information about RDF data

Usage: rudof data [OPTIONS] --data <RDF data path>

Options:
  -d, --data <RDF data path>
          
  -t, --data-format <RDF Data format>
          [default: turtle] [possible values: turtle, ntriples, rdfxml, trig, n3, nquads]
  -o, --output-file <Output file name, default = terminal>
          
  -h, --help
          Print help

Obtaining information about a node in RDF data

This command can be useful to obtain the neighbourhood of a node.

$ rudof node --help
Information about RDF nodes which are part of RDF Graphs

Usage: rudof node [OPTIONS] --node <NODE>

Options:
  -n, --node <NODE>
          
  -d, --data <RDF data path>
          
  -t, --data-format <RDF Data format>
          [default: turtle] [possible values: turtle, ntriples, rdfxml, trig, n3, nquads]
  -e, --endpoint <Endpoint with RDF data>
          
  -m, --show-node-mode <Show Node Mode>
          [default: outgoing] [possible values: outgoing, incoming, both]
      --show hyperlinks
          
  -p, --predicates <PREDICATES>
          
  -o, --output-file <Output file name, default = terminal>
          
  -h, --help
          Print help

For example, the following command shows the neighbourhood of node wd:Q80 in the Wikidata endpoint.

rudof node -e wikidata -n wd:Q80

Validating an RDF node against some data

$ rudof validate --help
RDF Validation using ShEx or SHACL

Usage: rudof validate [OPTIONS] --schema <Schema file name>

Options:
  -M, --mode <Validation mode>
          [default: shex] [possible values: shex, shacl]
  -s, --schema <Schema file name>
          
  -f, --schema-format <Schema format>
          [default: shexc] [possible values: internal, shexc, shexj, turtle, ntriples, rdfxml, trig, n3, nquads]
  -m, --shapemap <ShapeMap file name>
          
      --shapemap-format <ShapeMap format>
          [default: compact] [possible values: compact, internal]
  -n, --node <NODE>
          
  -l, --shape-label <shape label (default = START)>
          
  -d, --data <RDF data path>
          
  -t, --data-format <RDF Data format>
          [default: turtle] [possible values: turtle, ntriples, rdfxml, trig, n3, nquads]
  -e, --endpoint <Endpoint with RDF data>
          
      --max-steps <max steps to run>
          [default: 100]
  -o, --output-file <Output file name, default = terminal>
          
  -h, --help
          Print help

Example: Assuming there a ShEx file in examples/user.shex and an RDF turtle file in examples/user.ttl we can ask to validate node :a with shape label :User using:

rudof validate -s examples/user.shex -d examples/user.ttl -n :a -l :User

If there is a shapemap in examples/user.sm, we can validate using:

rudof validate -s examples/user.shex -d examples/user.ttl -m examples/user.sm

Validating an RDF node against some SHACL Shape

rudof shacl-validate --shapes examples/simple_shacl.ttl examples/simple.ttl

Conversion between shapes formalisms

$ rudof convert --help
Conversion between different Data modeling technologies

Usage: rudof convert [OPTIONS] --input-mode <Input mode> --source-file <Source file name> --export-mode <Result mode>

Options:
  -m, --input-mode <Input mode>
          [possible values: shex, dctap]
  -s, --source-file <Source file name>
          
  -f, --format <Input file format>
          [default: shexc] [possible values: csv, shexc, shexj, turtle]
  -r, --result-format <Result format>
          [default: default] [possible values: default, internal, json, shexc, shexj, turtle, plantuml, html, svg, png]
  -o, --output-file <Output file name, default = terminal>
          
  -t, --target-folder <Target folder>
          
  -l, --shape-label <shape label (default = START)>
          
  -x, --export-mode <Result mode>
          [possible values: sparql, shex, uml, html]
  -h, --help
          Print help

Main modules

The repo is divided in the following modules:

• iri_s defines simple IRIs.
• srdf simple RDF model which will be used for validation.
• prefixmap Prefix maps implementation.
• shapemap ShapeMap implementation.
• shex_ast defines the ShEx Abstract syntax
• shex_compact contains the code required to handle ShEx compact syntax.
• shex_validation contains the code required to validate RDF using ShEx.
• shex_testsuite contains the code required to run the ShEx testsuite.
• shacl_ast defines the SHACL core Abstract syntax.
• shacl_validation contains the code required to validate RDF using SHACL.
• dctap contains the code required to do handle DCTAP files.
• shapes_converter contains the code required to do conversion between different shapes formalisms.

Publishing the crates

cargo workspaces publish 

Worskpaces

The project is using cargo workspaces wihch can be installed with:

cargo install cargo-workspaces

Unit-testing

In order to test all the sub-projects

cargo test --all

Testing one specific subproject:

cargo test -p shex_validation

Using the ShEx test-suite

The ShEx testsuite is included in a git submodule. In order to obtain it, it is necessary to do:

git submodule update --init --recursive
cargo run -p shex_testsuite

Usage: shex_testsuite [OPTIONS]

Options:
  -m, --manifest <Manifest FILE (.jsonld)>
          Name of Manifest file [default: shex_testsuite/shexTest/validation/manifest.jsonld]
  -c, --config <Config file>
          [default: shex_testsuite/config.yml]
  -x, --run_mode <MANIFEST_RUN_MODE>
          [default: collect-errors] [possible values: collect-errors, fail-first-error]
  -f, --manifest_mode <MANIFEST_MODE>
          [possible values: schemas, validation, negative-syntax, negative-structure]
  -p, --print_result_mode <PRINT_RESULT_MODE>
          [default: basic] [possible values: basic, failed, passed, not-implemented, all]
  -e, --entry <Entry names>
          
  -t, --trait <Trait names>
          
  -h, --help
          Print help
  -V, --version
          Print version

Validation conformance tests for ShEx

cargo run -p shex_testsuite -- -m shex_testsuite/shexTest/validation/manifest.jsonld validation 

Schemas tests

cargo run -p shex_testsuite -- -m shex_testsuite/shexTest/schemas/manifest.jsonld -f schemas -p failed

License

Licensed under either of

• Apache License, Version 2.0 (LICENSE-APACHE or http://www.apache.org/licenses/LICENSE-2.0)
• MIT license (LICENSE-MIT or http://opensource.org/licenses/MIT)

at your option.

Contributors

Contribution

Unless you explicitly state otherwise, any contribution intentionally submitted for inclusion in the work by you, as defined in the Apache-2.0 license, shall be dual licensed as above, without any additional terms or conditions.

lib.rs:

DCTAP Processor

This module contains a simple DCTAP processor

DCTAP (Dublin Core Tabular Application Profiles) is a simple model that can be used to specify data models