Parenthetic Acronym Pattern

I. Introduction
Parenthetic Acronym Pattern includes paterns of (ACRONYM) and (ACRONYMs). It is used in exclusive filter to exclude invalid MWE from n-gram set. On the other hand, it can be used as inclusive filter for MWE candidates.

II. Processes:

• directory: ${MULTIWORDS_DIR}/bin
• program: 6.Acronyms
• Run program: shell> 6.Acronyms ${YEAR}
• Processes:

  Step	Description	IO	Notes - Examples
  1	Get n-gram matches (ACR) pattern	Inputs: nGram.2014 Outputs: ApplyFilters.rpt.1.parAcr.trap ApplyFilters.rpt.1.parAcr.exp ApplyFilters.rpt	trap - match (ACR) pattern: Balkan endemic nephropathy (BEN) zone of polarizing activity (ZPA) exp - not match (ACR) pattern: & Systems Pharmacology (2013) zonula occludens-1 (ZO-1)
  2	Get acronym|expansion from step-1	Inputs: ApplyFilters.rpt.1.parAcr.trap Outputs: acronyms.txt	Convert n-gram from the format of ".. acronym expansion (ACR) .." to "ACR|acronym expansion"
  3	Get new acronym|expansion (not in Lexicon) from step-2	Inputs: acronyms.txt Outputs: acronyms.txt.pass acronyms.txt.trap	trap - in the Lexicon: SSS|Stanford Sleepiness Scale WHO|World Health Organisation pass - new acronyms (candidates): BLS|Bureau of Labor Statistics MH|World Mental Health

III. Results:
For 2014 release:

1. 17023819 n-grams
2. 163714 n-grams matches (ACR) pattern
3. 1646 are identified as valid acronym|expansion
4. 636 are new, used as multiword candidates to add to Lexicon
5. Tags:

   Tag	O	E	Y	N
   Description	Invalid expansion	Valid expansion Exist in Lexicon	Valid expansion Not in Lexicon Valid MWE	Valid expansion Not in Lexicon invalid MWE
   Count	TBD	TBD	TBD	TBD