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Term entries in the full glossary starting with the letter "U"

W3C Glossaries

Showing results 1 - 20 of 58

UCS

From Requirements for String Identity Matching and String Indexing (1998-07-10) | Glossary for this source

Universal Character Set, the character repertoire defined in parallel by [ISO 10646] and [Unicode].
UI or action binding expression

From XForms 1.0 (2003-10-14) | Glossary for this source

An [XPath 1.0] PathExpr used in binding a form control to the instance, or to specify the node or node-set for operation by an action.

ultimate SOAP receiver

From SOAP Version 1.2 Part 1: Messaging Framework (2003-06-24) | Glossary for this source

The SOAP receiver that is a final destination of a SOAP message. It is responsible for processing the contents of the SOAP body and any SOAP header blocks targeted at it. In some circumstances, a SOAP message might not reach an ultimate SOAP receiver, for example because of a problem at a SOAP intermediary. An ultimate SOAP receiver cannot also be a SOAP intermediary for the same SOAP message (see 2. SOAP Processing Model).
ultimate SOAP receiver

From Web Services Glossary (2004-02-11) | Glossary for this source

The SOAP receiver that is a final destination of a SOAP message. It is responsible for processing the contents of the SOAP body and any SOAP header blocks targeted at it. In some circumstances, a SOAP message might not reach an ultimate SOAP receiver, for example because of a problem at a SOAP intermediary. An ultimate SOAP receiver cannot also be a SOAP intermediary for the same SOAP message.

uniform resource identifier

From Glossary of Terms for Device Independence (2005-01-18) | Glossary for this source

A short string that uniquely identifies a resource such as an HTML document, an image, a down-loadable file, a service, or an electronic mailbox.
uniform resource identifier (URI)

From Architecture of the World Wide Web, Volume One (2004-12-15) | Glossary for this source

A global identifier in the context of the World Wide Web.
union

From XML Schema Part 2: Datatypes (2001-05-02) | Glossary for this source

A non-empty sequence of simple type definitions.
universe

From RDF Semantics (2004-02-10) | Glossary for this source

(n., also Universe of discourse ) The universal classification, or the set of all things that an interpretation considers to exist. In RDF/S, this is identical to the set of resources.
unnamed class

From OWL Web Ontology Language Guide (2004-02-10) | Glossary for this source

an OWL class without an associated identifier, normally components of restrictions.
unparsed entity

From Extensible Markup Language (XML) 1.1 (2004-02-04) | Glossary for this source

An unparsed entity is a resource whose contents may or may not be text, and if text, may be other than XML. Each unparsed entity has an associated notation, identified by name. Beyond a requirement that an XML processor make the identifiers for the entity and notation available to the application, XML places no constraints on the contents of unparsed entities.
unparsed entity

From Extensible Markup Language (XML) 1.0 (2000-10-06) | Glossary for this source

An unparsed entity is a resource whose contents may or may not be text, and if text, [E25]may be other than XML. Each unparsed entity has an associated notation, identified by name. Beyond a requirement that an XML processor make the identifiers for the entity and notation available to the application, XML places no constraints on the contents of unparsed entities.
unsafe interaction

From Architecture of the World Wide Web, Volume One (2004-12-15) | Glossary for this source

Interaction with a resource that is not safe interaction.
unspecified

From XHTML 1.0: The Extensible HyperText Markup Language (Second Edition) (2000-01-26) | Glossary for this source

When a value or behavior is unspecified, the specification defines no portability requirements for a facility on an implementation even when faced with a document that uses the facility. A document that requires specific behavior in such an instance, rather than tolerating any behavior when using that facility, is not a Strictly Conforming XHTML Document.
upstream/downstream

From Hypertext Transfer Protocol -- HTTP/1.1 (1999-06-15) | Glossary for this source

Upstream and downstream describe the flow of a message: all messages flow from upstream to downstream.
URI

From Web Characterization Terminology & Definitions Sheet (1999-05-24) | Glossary for this source

The URI specification defines a Uniform Resource Identifier (URI) as a compact string of characters for identifying an abstract or physical resource.

URI

From Voice Extensible Markup Language (VoiceXML) Version 2.0 (2004-03-16) | Glossary for this source

Uniform Resource Indicator.
URI

From XQuery 1.0: An XML Query Language (2007-01-23) | Glossary for this source

Within this specification, the term URI refers to a Universal Resource Identifier as defined in and extended in with the new name IRI.
URI

From The Platform for Privacy Preferences 1.0 (P3P1.0) Specification (2002-04-16) | Glossary for this source

A Uniform Resource Identifier used to locate Web resources. For definitive information on URI syntax and semantics, see [URI]. URIs that appear within XML or HTML have to be treated as specified in [CHARMODEL], section Character Encoding in URI References. This does not apply to URIs appearing in HTTP header fields; the URIs there should always be fully escaped.
URI

From XML Path Language (XPath) 2.0 (2007-01-23) | Glossary for this source

Within this specification, the term URI refers to a Universal Resource Identifier as defined in and extended in with the new name IRI.
URI (Universal resource identifier)

From Glossary of "Weaving the Web" (1999-07-23) | Glossary for this source

The string (often starting with http:) that is used to identify anything on the Web.

The Glossary System has been built by Pierre Candela during an internship in W3C; it's now maintained by Dominique Hazael-Massieux

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