Token
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- For criticism see Criticism of Token
| Look up token in Wiktionary, the free dictionary. |
Token may refer to:
- Token (railway signalling), a physical object given to a locomotive driver to authorize him to use a particular stretch of single railway track
- Token coin, a piece of metal or other composition used as a substitute for currency; includes subway tokens
- Casino token.
- Tokenism, the inclusion of a single person (or very few people) of a group so an organization can publicly claim to be inclusive
- Token character, a supporting character in a story who has no real relevance to the plot but is included to conform to expected standards, such as featuring ethnic minorities in a cast of a predominantly other ethnicity.
- Knight's token, carried by a medieval knight
- In philosophy, computational linguistics, and information retrieval, a token is an instance of a type; see Type-token distinction
Popular culture
- Token Black, the only African American child in the South Park television series.
- The Tokens, a band perhaps best known for their hit "The Lion Sleeps Tonight".
Computing
There are two classes of meaning of 'token' in computing:
- An object which represents the (often exclusive) right to perform some operation:
- Token (Petri Net), an object used in Petri net theory
- Session token, a unique identifier which is generated and sent from a server to a software client to identify an interaction session and which the client usually stores as an HTTP cookie
- Security token (also known as a hardware token, authentication token or cryptographic token), a physical device that an authorized user of computer services is given to aid in authentication
- Access token, a system object representing the subject of access control operations
- Token ring, a local area network technology in which a virtual object known as a token is passed between devices on the network, authorizing them to communicate
- Invitation tokens, sometimes called "codes", sometimes used as a method of curbing website registration for a number of purposes.
- An atomic object in parsing:
- Token (parser), usually a word or other atomic parse element
- Tokenizing, the operation of splitting a string of characters into a set of tokens in lexical analysis
Sport
- Token (Racing team), a Formula One team run by Ron Dennis.
| This page uses content from Wikipedia. The original article was at Token. The list of authors can be seen in the page history. The text of this Wikinfo article is available under the GNU Free Documentation License and the Creative Commons Attribution-Share Alike 3.0 license. |
