A token may also be a piece of metal or other composition item used as a substitute for currency; see also exonumia or casino token.
A token can be a small item used to represent players or other objects in games, particularly board games.
In business or politics, a token can be a single person of a disadvantaged group hired very publicly so the organization can claim to be inclusive or representative.
A Token character is an supporting character with no real relevance to the plot but added to conform to expected standards, such as featuring ethnic minorities in a cast of predominantly whites. Typical purposes of token characters are comic relief, holding magical powers to aid the hero or as cannon-fodder to be killed off by villans while heroes survive.
On railways, a token is a physical object given to a locomotive driver to authorize him to use a particular stretch of single track.
In computing, a token is a virtual object that is passed between computers or other devices on a network and similarly authorizes them to communicate. Only the device with the token may communicate, to avoid clashing with other devices.
In the Windows NT family of operating systems, a token is a system object representing the subject of access control operations.
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Becuase the relationship between tokens and word in some cases is complex, a user function may be specified for translating tokens into words.
the tokens "1985" should be pronounced differently, the first as a year, "nineteen eighty five" while the second as a quantity "one thousand nine hundred and eighty five".
The basic method is to find all occurrences of a homographic token in a large text database, label each occurrence into classes, extract appropriate context features for these tokens and finally build an classification tree or decision list based on the extracted features.
In computer science, tokenization is the process of demarcating and possibly classifying sections of a string of input characters.
In human cognition tokenization is often used to refer to the process of converting a sensory stimulus into a cognitive "token" suitable for internal processing.
A stimulus that is not correctly tokenized may not be processed or may be incorrectly merged with other stimuli.
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