# XProc

> language to describe a pipeline of operations on XML documents

**Wikidata**: [Q1571494](https://www.wikidata.org/wiki/Q1571494)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/XProc)  
**Source**: https://4ort.xyz/entity/xproc

## Summary
XProc is a declarative programming language used to describe pipelines of operations on XML documents. It is an XML-based format standardized by the World Wide Web Consortium (W3C) and designed to process XML data in a structured, repeatable way.

## Key Facts
- XProc is a declarative programming language for processing XML documents.
- It is defined as an XML-based format with the media type `application/xproc+xml`.
- The file extension for XProc documents is `.xpl`.
- XProc was standardized by the World Wide Web Consortium (W3C).
- The official specification is available at [https://www.w3.org/TR/xproc/](https://www.w3.org/TR/xproc/).
- XProc is part of the W3C Recommendation process.
- It is referenced in academic and technical contexts, including Freebase and Microsoft Academic (discontinued).
- The GitHub topic for XProc is `xproc`.

## FAQs
### Q: What is XProc used for?
A: XProc is used to define pipelines of operations for processing XML documents in a structured and declarative manner. It allows users to describe sequences of transformations, validations, and other operations on XML data.

### Q: Who developed XProc?
A: XProc was developed by the World Wide Web Consortium (W3C) as part of its standards for XML processing.

### Q: What file extension is used for XProc documents?
A: XProc documents typically use the `.xpl` file extension.

### Q: Is XProc an open standard?
A: Yes, XProc is an open standard developed by the W3C and is freely available for use.

### Q: How does XProc differ from other XML processing languages?
A: Unlike procedural XML processing languages, XProc is declarative, meaning it focuses on what operations should be performed rather than how they are executed. It is designed specifically for defining pipelines of XML transformations.

## Why It Matters
XProc plays a crucial role in the XML processing ecosystem by providing a standardized, declarative way to define pipelines for XML document operations. It simplifies the process of transforming, validating, and manipulating XML data by allowing users to describe sequences of operations in a structured format. This makes it easier to automate and repeat XML processing tasks, reducing errors and ensuring consistency. By being an open standard, XProc promotes interoperability and adoption across different systems and platforms. Its declarative nature also makes it more accessible to users who may not have deep expertise in XML processing, as it abstracts away some of the complexity involved in defining processing workflows.

## Notable For
- Being the first W3C standard for declarative XML processing pipelines.
- Using the `.xpl` file extension, which is unique to XProc documents.
- Having a dedicated media type (`application/xproc+xml`) for identification.
- Being referenced in academic and technical databases, including Freebase and Microsoft Academic.
- Being part of the W3C Recommendation process, indicating its official status as a web standard.

## Body
### Overview
XProc is a declarative programming language designed to describe pipelines of operations on XML documents. It is an XML-based format standardized by the W3C and is used to define sequences of transformations, validations, and other processing steps.

### Development and Standardization
- XProc was developed as part of the W3C's efforts to standardize XML processing.
- It is part of the W3C Recommendation process, indicating its official status as a web standard.
- The official specification is available at [https://www.w3.org/TR/xproc/](https://www.w3.org/TR/xproc/).

### Technical Details
- XProc documents use the `.xpl` file extension.
- The media type for XProc documents is `application/xproc+xml`.
- It is referenced in academic and technical contexts, including Freebase and Microsoft Academic.

### Usage and Impact
- XProc is used to define pipelines of operations for processing XML documents in a structured and declarative manner.
- It simplifies the process of transforming, validating, and manipulating XML data.
- By being an open standard, XProc promotes interoperability and adoption across different systems and platforms.

### References and Recognition
- XProc is referenced in academic and technical databases, including Freebase and Microsoft Academic.
- It is part of the W3C Recommendation process, indicating its official status as a web standard.

## References

1. Freebase Data Dumps. 2013
2. Quora