item set

Noun

 * 1)  A set of production rules which have an identical sequence of symbols between the right arrow (&rarr;) and the dot (•).
 * 2)  A group of related items.

Usage notes

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