# Expression language

> Mediated Wiki article. Canonical URL: https://mediated.wiki/source/Expression_language
> Markdown URL: https://mediated.wiki/source/Expression_language.md
> Source: https://en.wikipedia.org/wiki/Expression_language
> Source revision: 1344090249
> License: Creative Commons Attribution-ShareAlike 4.0 International (https://creativecommons.org/licenses/by-sa/4.0/)

Domain specific computer language

This article needs additional citations for verification. Please help improve this article by adding citations to reliable sources. Unsourced material may be challenged and removed. Find sources: "Expression language" – news · newspapers · books · scholar · JSTOR (March 2026) (Learn how and when to remove this message)

An **expression language** is a [computer language](/source/Computer_language) for creating a [machine readable](/source/Machine_readable) representation of specific [domain knowledge](/source/Domain_knowledge). Examples include:

- [Advanced Boolean Expression Language](/source/Advanced_Boolean_Expression_Language), an obsolete hardware description language for hardware descriptions[1]

- [Data Analysis Expressions](/source/Data_Analysis_Expressions) (DAX), an expression language developed by Microsoft and used in Power Pivot, among other places[2]

- [Jakarta Expression Language](/source/Jakarta_Expression_Language), a domain-specific language used in Jakarta EE web applications. Formerly known as "Unified Expression Language", "Expression Language" or just "the Expression Language").

- [Rights Expression Languages](/source/Rights_Expression_Language), machine processable language used for representing immaterial rights such as copyright and license information

## References

1. **[^](#cite_ref-1)** Kyu Y. Lee; Michael Holley; Mary Bailey; Walter Bright (June 1985). "A High-Level Design Language for Programmable Logic Devices". *VLSI Design*. **6** (6). [Manhasset, New York](/source/Manhasset%2C_New_York): CPM Publications: 50–62. [ISSN](/source/ISSN_(identifier)) [0279-2834](https://search.worldcat.org/issn/0279-2834).

1. **[^](#cite_ref-2)** ["Data Analysis Expressions (DAX) Overview"](https://web.archive.org/web/20221128051104/https://learn.microsoft.com/en-us/previous-versions/sql/sql-server-2012/gg399181(v=sql.110)). *Microsoft Learn*. [Microsoft](/source/Microsoft). Archived from [the original](https://learn.microsoft.com/en-us/previous-versions/sql/sql-server-2012/gg399181(v=sql.110)) on 2022-11-28. Retrieved 2026-03-17.

This computer science article is a stub. You can help Wikipedia by adding missing information.

- [v](https://en.wikipedia.org/wiki/Template:Comp-sci-stub)
- [t](/source/Template_talk%3AComp-sci-stub)
- [e](https://en.wikipedia.org/wiki/Special:EditPage/Template:Comp-sci-stub)

---
Adapted from the Wikipedia article [Expression language](https://en.wikipedia.org/wiki/Expression_language) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/Expression_language?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.