HERALD stands for Human-centric Extraction for Research and Analysis of Longitudinal Data. It is a specialized query language designed to facilitate the extraction and aggregation of longitudinal data into cross-sectional tables for statistical analyses and machine learning. HERALD's syntax closely mirrors natural language. The implementation consists of an excecution engine, a graphical query editor, and an online demo supporting analytics functionalities.
This repository, "herald-lang," contains the core modules of HERALD.
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herald-core: This module forms the core of the HERALD query language. It encompasses the language's grammar, parser, and lexer, as well as an execution engine. -
herald-ui: This component implements a user interface for graphically building queries and browsing the concept hierarchy contained within a dataset. -
ghdm-data: This module provides the generic data model used by HERALD and supports various data loading and wrangling functionalities. -
ghdm-ui: This module contains additional UI elements, such as interfaces for cohort selection.
To bundle HERALD-Lang for deployment or distribution, run the bundling.sh script in your console. This script initiates the webpack bundling process, installs respective dependencies and stores the bundled files in a dist folder.
To see the results in action, copy the bundled files from the dist folder to the src folder in the herald-demo repository to use them in the demo.
npm install -g nearley
nearleyc herald-grammar.ne -o herald-grammar.js
https://nearley.js.org/docs/tooling
An online demonstration is available at herald-lang.org with the respective code managed at herald-demo.
If you have questions or problems, please open an issue on GitHub or contact us directly.
You can find out more about our work here: mi.bihealth.org.
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Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
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