https://github.com/langsamu/sparql-blockly

A Blockly implementation of SPARQL. Supports converting SPARQL into visual blocks and vice versa. Supports all of SPARQL 1.1 Query & Update as well as SPARQL*.
https://github.com/langsamu/sparql-blockly

blockly programming-language sparql visualisation

Last synced: about 1 month ago
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A Blockly implementation of SPARQL. Supports converting SPARQL into visual blocks and vice versa. Supports all of SPARQL 1.1 Query & Update as well as SPARQL*.

• Host: GitHub
• URL: https://github.com/langsamu/sparql-blockly
• Owner: langsamu
• License: mit
• Created: 2021-04-01T20:11:29.000Z (over 3 years ago)
• Default Branch: main
• Last Pushed: 2024-08-26T09:49:38.000Z (4 months ago)
• Last Synced: 2024-11-09T15:47:00.606Z (about 1 month ago)
• Topics: blockly, programming-language, sparql, visualisation
• Language: TypeScript
• Homepage: https://langsamu.github.io/sparql-blockly/
• Size: 1.91 MB
• Stars: 5
• Watchers: 2
• Forks: 2
• Open Issues: 5
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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README

        
# SPARQL Blockly

[![Build Status](https://github.com/langsamu/sparql-blockly/actions/workflows/ci.yml/badge.svg)](https://github.com/langsamu/sparql-blockly/actions)

[![npm package](https://badge.fury.io/js/sparql-blockly.svg)](https://www.npmjs.com/package/sparql-blockly)

[![code coverage](https://codecov.io/gh/langsamu/sparql-blockly/branch/main/graph/badge.svg?token=X55Y21AMAE)](https://codecov.io/gh/langsamu/sparql-blockly)

SPARQL Blockly is an application for visualising and building SPARQL.

## Usage

- **[Try it online](https://langsamu.github.io/sparql-blockly/)**

- Get the [library from npm](https://www.npmjs.com/package/sparql-blockly)

- See the [examples](./examples)

## Features

SPARQL Blockly implements the SPARQL grammar in Blockly.

It supports SPARQL 1.1 Query, Update and SPARQL*.

![screenshot](screenshot.png)

It enables several ways of visual interaction with SPARQL:

- Dragging blocks from a toolbox unto a canvas to assemble valid queries.

- Adding clauses and patterns to query blocks using a context menu.

- Parsing SPARQL query text into blocks.

- Collapsing/expanding parts of a query assemblage.

- Sharing URLs of visual representations.

SPARQL is parsed using [SPARQL.js](https://github.com/RubenVerborgh/SPARQL.js/).

## Repo structure

This code-base consists of three parts:

- [npm package](./package): Source-code for the [JavaScript library hosted on npm](https://www.npmjs.com/package/sparql-blockly). 

- [Demo app](./demo): Source-code for the [demo application hosted on GitHub Pages](https://langsamu.github.io/sparql-blockly/).

- [Examples](./examples): Example JavaScript source-code explaining how to use the library in the browser and in node.