2. The method of claim 1 , wherein the restricted part of speech tags comprise at least one of the following sets: a) a first set comprising a first tag (NP) which identifies a word which appears in a known closed noun compound word in other than a head position and a second tag (N) which identifies at least one of a word which appears in a known closed noun compound word in the head position and another noun; b) a second set comprising a first tag (VP) which identifies a word which appears in a known closed verb compound word in other than a head position and a second tag (V) which identifies at least one of a word which appears in a known closed verb compound word in the head position and another verb; c) a third set comprising a first tag (AP) which identifies a word which appears in a known closed adjective compound word in other than a head position and a second tag (A) which identifies at least one of a word which appears in a known closed adjective compound word in the head position and another adjective; and d) a fourth set comprising a first tag (AdP) which identifies a word which appears in a known closed adverb compound word in other than a head position and a second tag (Ad) which identifies at least one of a word which appears in a known closed adverb compound word in the head position and another adverb.
2. The method of claim 1 , wherein the restricted part of speech tags comprise at least one of the following sets: a) a first set comprising a first tag (NP) which identifies a word which appears in a known closed noun compound word in other than a head position and a second tag (N) which identifies at least one of a word which appears in a known closed noun compound word in the head position and another noun; b) a second set comprising a first tag (VP) which identifies a word which appears in a known closed verb compound word in other than a head position and a second tag (V) which identifies at least one of a word which appears in a known closed verb compound word in the head position and another verb; c) a third set comprising a first tag (AP) which identifies a word which appears in a known closed adjective compound word in other than a head position and a second tag (A) which identifies at least one of a word which appears in a known closed adjective compound word in the head position and another adjective; and d) a fourth set comprising a first tag (AdP) which identifies a word which appears in a known closed adverb compound word in other than a head position and a second tag (Ad) which identifies at least one of a word which appears in a known closed adverb compound word in the head position and another adverb. 4. The method of claim 2 , wherein the evaluation includes counting occurrences of a combination of at least one first tag followed by a second tag of the same set.