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sources</a>. Unsourced material may be challenged and <a href="/wiki/Wikipedia:Verifiability#Burden_of_evidence" title="Wikipedia:Verifiability">removed</a>.<br /><small><span class="plainlinks"><i>Find sources:</i> <a rel="nofollow" class="external text" href="https://www.google.com/search?as_eq=wikipedia&q=%22Expression+language%22">"Expression language"</a> – <a rel="nofollow" class="external text" href="https://www.google.com/search?tbm=nws&q=%22Expression+language%22+-wikipedia&tbs=ar:1">news</a> <b>·</b> <a rel="nofollow" class="external text" href="https://www.google.com/search?&q=%22Expression+language%22&tbs=bkt:s&tbm=bks">newspapers</a> <b>·</b> <a rel="nofollow" class="external text" href="https://www.google.com/search?tbs=bks:1&q=%22Expression+language%22+-wikipedia">books</a> <b>·</b> <a rel="nofollow" class="external text" href="https://scholar.google.com/scholar?q=%22Expression+language%22">scholar</a> <b>·</b> <a rel="nofollow" class="external text" href="https://www.jstor.org/action/doBasicSearch?Query=%22Expression+language%22&acc=on&wc=on">JSTOR</a></span></small></span> <span class="date-container"><i>(<span class="date">February 2024</span>)</i></span><span class="hide-when-compact"><i> (<small><a href="/wiki/Help:Maintenance_template_removal" title="Help:Maintenance template removal">Learn how and when to remove this message</a></small>)</i></span></div></td></tr></tbody></table> <p>An <b>expression language</b> is a <a href="/wiki/Computer_language" title="Computer language">computer language</a> for creating a <a href="/wiki/Machine_readable" class="mw-redirect" title="Machine readable">machine readable</a> representation of specific <a href="/wiki/Domain_knowledge" title="Domain knowledge">domain knowledge</a>. Examples include: </p> <ul><li><a href="/wiki/Advanced_Boolean_Expression_Language" title="Advanced Boolean Expression Language">Advanced Boolean Expression Language</a>, an obsolete hardware description language for hardware descriptions</li> <li><a href="/wiki/Data_Analysis_Expressions" title="Data Analysis Expressions">Data Analysis Expressions</a> (DAX), an expression language developed by Microsoft and used in Power Pivot, among other places</li> <li><a href="/wiki/Jakarta_Expression_Language" title="Jakarta Expression Language">Jakarta Expression Language</a>, a domain-specific language used in Jakarta EE web applications. Formerly known as "Unified Expression Language", "Expression Language" or just "the Expression Language").</li> <li><a href="/wiki/Rights_Expression_Language" title="Rights Expression Language">Rights Expression Languages</a>, machine processable language used for representing immaterial rights such as copyright and license information</li></ul> <style data-mw-deduplicate="TemplateStyles:r1012311289">.mw-parser-output .asbox{position:relative;overflow:hidden}.mw-parser-output .asbox table{background:transparent}.mw-parser-output .asbox p{margin:0}.mw-parser-output .asbox p+p{margin-top:0.25em}.mw-parser-output .asbox-body{font-style:italic}.mw-parser-output .asbox-note{font-size:smaller}.mw-parser-output .asbox .navbar{position:absolute;top:-0.75em;right:1em;display:none}</style><div role="note" class="metadata plainlinks asbox stub"><table role="presentation"><tbody><tr class="noresize"><td><span typeof="mw:File"><a href="/wiki/File:LampFlowchart.svg" class="mw-file-description"><img alt="Stub icon" src="//upload.wikimedia.org/wikipedia/commons/thumb/9/91/LampFlowchart.svg/22px-LampFlowchart.svg.png" decoding="async" width="22" height="30" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/9/91/LampFlowchart.svg/33px-LampFlowchart.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/9/91/LampFlowchart.svg/44px-LampFlowchart.svg.png 2x" data-file-width="324" data-file-height="442" /></a></span></td><td><p class="asbox-body">This <a href="/wiki/Computer_science" title="Computer science">computer science</a> article is a <a href="/wiki/Wikipedia:Stub" title="Wikipedia:Stub">stub</a>. 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