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Lexical Knowledge Structures

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Scoring the verb pair on the pattern<br />

Expanding & approximating the formula<br />

For symmetric relations (similarity, antonymy)<br />

For asymmetric relations (strength, enablement,<br />

happens-before)<br />

Where,<br />

N : No of words indexed by the search engine ≈ 7.2 × 10 11 )<br />

hits(S) : of documents containing S, as returned by Google<br />

C v : Correction factor<br />

to account for count of all tenses of verb from “to V ”<br />

hits est(p) : pattern counted as estimated from a 500M POS<br />

tagged corpus.<br />

A K Nirala<br />

<strong>Lexical</strong> <strong>Knowledge</strong> <strong>Structures</strong>

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