Uniform Resource Identifier (URI)
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An Uniform Resource Identifier (URI) is a ... that uniquely identifies a logical or physical resources used by web technologies.
- Context:
- It can (often) be classified into Uniform Resource Locator (URL)s, which identify the location of resources, and Uniform Resource Name (URN)s, which provide a unique name for a resource.
- ...
- It can support different schemes, such as `http`, `https`, `ftp`, `mailto`, and `file`, each representing di
- ...
- Example(s):
- Web and Network URIs, such as:
- Uniform Resource Locator (URL), such as
https://www.wikipedia.org/wiki/Uniform_Resource_Identifier - Website URIs, such as
https://www.example.com - URL with query parameters, such as
https://www.search-engine.com/results?q=computer+science&lang=en - FTP URI Scheme, such as
ftp://ftp.example.com/public/file.txt - ftp URIs that provides access to files stored on an FTP server, like
ftp://ftp.example.com/file.txt
- Uniform Resource Locator (URL), such as
- File and Data URIs, such as:
- File URI Scheme, such as
file:///home/user/documents/report.pdf - Data URI Scheme, such as
data:text/plain;charset=UTF-8,Hello%20World! - URI for a local file, such as
file:///C:/Users/username/Documents/report.pdf - data URIs that embeds small data items as immediate content within a web page, like
data:image/png;base64,iVBORw0KGgo=
- File URI Scheme, such as
- Cloud Storage and Database URIs, such as:
- Google Cloud Storage URI, such as
gs://bucket-name/object-name - AWS S3 URI, such as
... - Database Item URIs, such as
mongodb://username:password@example.com/database
- Google Cloud Storage URI, such as
- Identification and Naming URIs, such as:
- Uniform Resource Name (URN), such as
urn:uuid:6e8bc430-9c3a-11d9-9669-0800200c9a66 - isbn URIs that identifies a specific book by its International Standard Book Number, such as
urn:isbn:0451450523 - doi URIs that uniquely identifies an academic paper or publication, such as
doi:10.1000/xyz123 - URI for an email address, such as
mailto:john.doe@example.com
- Uniform Resource Name (URN), such as
- …
- Web and Network URIs, such as:
- Counter-Example(s):
- See: FOAF Ontology, World Wide Web, Information Science Ontology, Web Ontology Language, International Standard Book Number (ISBN) System.
References
2021
- (Wikipedia, 2021) ⇒ https://en.wikipedia.org/wiki/Uniform_Resource_Identifier Retrieved:2021-9-19.
- A Uniform Resource Identifier (URI) is a unique sequence of characters that identifies a logical or physical resource used by web technologies. URIs may be used to identify anything, including real-world objects, such as people and places, concepts, or information resources such as web pages and books. Some URIs provide a means of locating and retrieving information resources on a network (either on the Internet or on another private network, such as a computer filesystem or an Intranet); these are Uniform Resource Locators (URLs). A URL provides the location of the resource. A URI identifies the resource by name at the specified location or URL. Other URIs provide only a unique name, without a means of locating or retrieving the resource or information about it, these are Uniform Resource Names (URNs). The web technologies that use URIs are not limited to web browsers. URIs are used to identify anything described using the Resource Description Framework (RDF), for example, concepts that are part of an ontology defined using the Web Ontology Language (OWL), and people who are described using the Friend of a Friend vocabulary would each have an individual URI.