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An introduction to the TempEx Module

An introduction to the TempEx Module. George Wilson MITRE Corporation January 30, 2002. What is TempEx?. Perl module that implements the TIDES Temporal Annotation Guidelines Handles many formats - Feb. 10, Feb. 10th, February Tenth Some parts of standard not fully implemented

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An introduction to the TempEx Module

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  1. An introduction to the TempEx Module George Wilson MITRE Corporation January 30, 2002

  2. What is TempEx? • Perl module that implements the TIDES Temporal • Annotation Guidelines • Handles many formats • - Feb. 10, Feb. 10th, February Tenth • Some parts of standard not fully implemented • - Embedded Expressions: Two weeks ago tomorrow • - Unknown Components: June 10 (VAL = XXXX0610) • Some very small extensions • - Easter gets an ALT_VAL

  3. Sample OutputPOS Tags removed I got up <TIMEX2 TYPE="DATE" VAL="20010216TMO" MOD="EARLY">early this morning</TIMEX2>. I ate lunch <TIMEX2 TYPE="TIME" VAL="20010216T1207">an hour and a half ago</TIMEX2>. In <TIMEX2 TYPE="DATE" VAL="FUTURE_REF">the future</TIMEX2>, I will know better. I went to Hong Kong <TIMEX2 TYPE="DATE" VAL="2000W40">the week of October third</TIMEX2>. I went to Hong Kong <TIMEX2 TYPE="DATE" VAL="2000W42">the third week of October</TIMEX2>. Reference Date: 02/16/2001 13:37:00

  4. TempEx Usage Preparation: POS tagging, Article Date Must build driver program that handles document-specific formatting. Driver calls subroutines TE_TagTIMEX TE_AddAttributes Distribution contains sample driver Module provides some help with driver Date2ISO

  5. TimeTag.pl Usage Usage: TimeTag.pl [-h -FD -TH -Dn -HLn] files n is a number h = help message FD = First Date found will be used as reference date FDNW = First Date found will be used as reference date No Warnings given TH = Tag Header, not tagged by default D = Debug Level - 0,1,2 default=0 HL = Heuristic Level - 0,1,2,3 default=3

  6. Performance Interannotator agreement TIMEX VAL MOD Human x Human 0.789 0.889 0.871 TempEx x Human 0.624 0.705 0.301 Speed - 0.5Megabyte/Minute

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