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# Tools

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This page summarizes the code structure for this directory and its immediate subdirectories. It focuses on the `bin / KG / tools` area within the `bin` module. Use the table of contents below to navigate deeper.

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## Overview

The **tools** subdirectory contains specialized utilities for the KG construction pipeline, focused on process industry asset hierarchy extraction.

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## Modules

1. **PIbuilder..js** — Builds CSV exports of process industry asset hierarchies by querying SPARQL endpoints for relationships between functional objects, equipment classes, and tags. Generates structured reports of equipment taxonomy data.

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## Usage

- `PIbuilder..js` is invoked to extract asset hierarchy data from SPARQL-stored knowledge graphs and export it as CSV for downstream analysis.


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## Files in this directory

- `PIbuilder..js`

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