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ANNIE is a general purpose information extraction system that provides the building blocks of many other GATE applications.
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/*
*  reltime.jape
*
* Copyright (c) 1998-2004, The University of Sheffield.
*
*  This file is part of GATE (see http://gate.ac.uk/), and is free
*  software, licenced under the GNU Library General Public License,
*  Version 2, June 1991 (in the distribution as file licence.html,
*  and also available at http://gate.ac.uk/gate/licence.html).
*
*  Diana Maynard, 10 Sep 2001
* 
*  $Id: reldate.jape 17810 2014-04-11 12:27:15Z markagreenwood $
*/

// this file must follow time.jape
// handles relative time sequences

Phase:	Name
Input: Token Lookup TempDate
Options: control = appelt

Rule: GazDateWords
Priority: 10
// yesterday evening

(
 {Lookup.majorType == date_key}
 (
  {Lookup.majorType == time_unit}
 )?
)
:date -->
  :date.TempDate = {rule = "GazDateWords"}


Rule: TimeAgo
Priority:30
// 2 hours ago

(
 {Token.kind == number}
 ({Lookup.majorType == time_unit})
 {Token.string == "ago"}
)
:date -->
 :date.TempDate = {rule = "TimeAgo"}


Rule: DateAgo
Priority:30
// 2 weeks ago

(
 {Token.kind == number}
 ({Lookup.majorType == date_unit})
 {Token.string == "ago"}
)
:date -->
 :date.TempDate = {rule = "TimeAgo"}


Rule: ModifierDate
Priority: 30
// last year
// next 10 years

(
 {Lookup.majorType == time_modifier} 
 (
  ({Lookup.majorType == number}|
   {Token.kind == number}
  )
 )?
 {Lookup.majorType == date_unit}
)
:date -->
 :date.TempDate = {rule = "ModifierDate"}

Rule: ModifierNamedDate
Priority: 30
// last October
// next Tuesday

(
 {Lookup.majorType == time_modifier} 
 ({Lookup.minorType == month}|
  {Lookup.minorType == day}
 )
)
:date -->
 :date.TempDate = {rule = "ModifierNamedDate"}


Rule: EarlyDate
// early in 2002
// in early 2002

(
 ({Token.string == early}|
  {Token.string == late}
 )
 ({Token.string == "in"}
 )?
 ({TempDate}|
  (
   {Lookup.majorType == time_modifier} 
   {Lookup.majorType == date_unit}
  )
 )
)
:date
-->
 {
//removes TempDate annotation, gets the rule feature and adds a new TempDate annotation
gate.AnnotationSet date = (gate.AnnotationSet)bindings.get("date");
gate.Annotation dateAnn = (gate.Annotation)date.iterator().next();
gate.FeatureMap features = Factory.newFeatureMap();
features.put("rule", dateAnn.getFeatures().get("rule"));
features.put("rule2", "EarlyDate");
outputAS.add(date.firstNode(), date.lastNode(), "TempDate",
features);
outputAS.removeAll(date.get("TempDate"));
}
 
Rule:FiscalDate
// first half of next year
// first nine months of the financial year 

(
 {Lookup.minorType == ordinal}
 (
  ({Lookup.majorType == number}|
   {Token.kind == number}
  )
 )?
 {Lookup.majorType == date_unit}
 
 ({Token.string == "of"}
 )?
 ((
   {Token.category == DT}|
   {Token.category == "PRP$"}
  )
 )?
 ({Lookup.majorType == time_modifier} 
 )?
 {Lookup.majorType == date_unit}
)
:date -->
  :date.TempDate = {rule = FiscalDate}

//[the] quarter to [date]