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ngram_gram_size

Parameter description: Specifies the length of the ngram parser segmentation.

This parameter is a USERSET parameter. Set it based on instructions provided in Table 1.

Value range: an integer ranging from 1 to 4

Default value: 2

ngram_grapsymbol_ignore

Parameter description: Specifies whether the ngram parser ignores graphical characters.

This parameter is a USERSET parameter. Set it based on instructions provided in Table 1.

Value range: Boolean

• on: The ngram parser ignores graphical characters.
• off: The ngram parser does not ignore graphical characters.

Default value: off

ngram_punctuation_ignore

Parameter description: Specifies whether the ngram parser ignores punctuations.

This parameter is a USERSET parameter. Set it based on instructions provided in Table 1.

Value range: Boolean

• on: The ngram parser ignores punctuations.
• off: The ngram parser does not ignore punctuations.

Default value: on