item set

See also: itemset

English

item set (plural item sets)

(computer science, parsers) A set of production rules which have an identical sequence of symbols between the right arrow (→) and the dot (•).
(statistics) A group of related items.

The above definition describes the kernel of an item set. See the Wikipedia article on LR parsers for a description of the closures of item sets. The closures of item sets can become identified with the states of a parser.

单词	item set
释义	item set See also: itemset English Noun item set (plural item sets) (computer science, parsers) A set of production rules which have an identical sequence of symbols between the right arrow (→) and the dot (•). (statistics) A group of related items. Usage notes The above definition describes the kernel of an item set. See the Wikipedia article on LR parsers for a description of the closures of item sets. The closures of item sets can become identified with the states of a parser.
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