What is MIME type "application/sparql-results+xml"?

A MIME type is a string that tells browsers and other tools how to handle a particular kind of file.

application/sparql-results+xml is a MIME type that marks an XML document carrying results from a SPARQL query.
It tells software that the file contains structured query data using the SPARQL protocol for RDF data access.
Files with the extension SRX use this format.

Data Interchange: It standardizes the way query results are shared between systems.
Integration: Multiple applications can exchange and process RDF query outputs.
Compatibility: Many SPARQL endpoints deliver responses in this XML format.
Parsing: XML tools and libraries easily process and analyze these results.

For additional technical details, refer to the SPARQL Query Results XML Format specification.

Associated file extensions

.srx

Usage Examples

HTTP Header

When serving content with this MIME type, set the Content-Type header:


    Content-Type: application/sparql-results+xml

HTML

In HTML, you can specify the MIME type in various elements:


    <a href="file.dat" type="application/sparql-results+xml">Download file</a>

Server-side (Node.js)

Setting the Content-Type header in Node.js:


    const http = require('http');
    
    http.createServer((req, res) => {
      res.setHeader('Content-Type', 'application/sparql-results+xml');
      res.end('Content here');
    }).listen(3000);

Associated file extensions

.srx

FAQ

What is a MIME type?

A MIME (Multipurpose Internet Mail Extensions) type is a standard that indicates the nature and format of a document, file, or assortment of bytes. MIME types are defined and standardized in IETF's RFC 6838.

MIME types are important because they help browsers and servers understand how to process a file. When a browser receives a file from a server, it uses the MIME type to determine how to display or handle the content, whether it's an image to display, a PDF to open in a viewer, or a video to play.

MIME types consist of a type and a subtype, separated by a slash (e.g., text/html, image/jpeg, application/pdf). Some MIME types also include optional parameters.

How do I find the MIME type for a file?

You can check the file extension or use a file identification tool such as file --mime-type on the command line. Many programming languages also provide libraries to detect MIME types.

Why are multiple MIME types listed for one extension?

Different applications and historical conventions may use alternative MIME identifiers for the same kind of file. Showing them all helps ensure compatibility across systems.