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Stem (Dictionary)

Synopsis​

Replaces terms by pattern matching rules.

Description​

Reduces terms to a base form using an external file with replacement rules. The file must contain a rule per line: targetExpression : patter1 patter2 ... where targetExpression is the term to which the input terms are reduced, if it matches any of the patterns. patterX is a simple string or a regular expression. A simple example would be a mapping like: weekday : .*day Please keep in mind, that very short words are filtered out in the default setting of the TextInput operators.

Input​

document​

The document port.

file​

The file port.

Output​

document​

The document port.

Parameters​

File​

File that contains the dictionary. See operator reference for the file format.