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Table 1 Basic rules used in strategies

From: Abbreviation definition identification based on automatic precision estimates

Rule

Example

FL: A letter of SF matches the 1st letter of a worda in LF.

L etter

FC: A character of SF matches the 1st character of a word in LF.

1-word

FCG: A character of SF matches the character following a non-alphanumeric non-space character in LF.

Word-W ord

LS: The last character of SF is 's' and matches the last character of LF 's'.

Words

NF: A character of SF matches any character except the 1st character in LF.

Wo rd, Wor d, Word

SBW: A character of SF matches a character within a word in LF and the substring of that LF word from the match until the end of the word is a defined wordb.

WordW ord

CL: A substring of SF matches any two or more consecutive characters of a word in LF.

Wo rd, Wor d, Word

ST: While matching SF with LF, skip a stopword in LF.

Stopword

SK: While matching SF with LF, skip a word in LF.

Word

AC: A character of SF matches any character in LF

W ord, Wo rd, Wor d, Word

  1. a Words are white space demarcated strings. This applies to all rules.
  2. b A defined word is at least three letters, a non-stopword, and appears at least 100 times in MEDLINE.