apertium-eng.eng.mtx

<?xml version="1.0" ?>
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-->
<!--
Feature templates copied from the spaCy part of speech tagger. From here:
https://spacy.io/blog/part-of-speech-pos-tagger-in-python#features-and-pre-processing
-->
<metatag>
  <coarse-tags tag="apertium-eng.eng.tsx"/>
  <defns>
    <def-macro as="flattags_0">
      <join>
        <for-each as="wordoid">
          <ex-wordoids>
            <tokaddr />
          </ex-wordoids>
          <join>
            <ex-tags>
              <var name="wordoid" />
            </ex-tags>
          </join>
        </for-each>
      </join>
    </def-macro>
    <def-macro as="flattags_m1">
      <join>
        <for-each as="wordoid">
          <ex-wordoids>
            <add>
              <tokaddr />
              <int val="-1" />
            </add>
          </ex-wordoids>
          <join>
            <ex-tags>
              <var name="wordoid" />
            </ex-tags>
          </join>
        </for-each>
      </join>
    </def-macro>
    <def-macro as="flattags_m2">
      <join>
        <for-each as="wordoid">
          <ex-wordoids>
            <add>
              <tokaddr />
              <int val="-2" />
            </add>
          </ex-wordoids>
          <join>
            <ex-tags>
              <var name="wordoid" />
            </ex-tags>
          </join>
        </for-each>
      </join>
    </def-macro>
    <def-macro as="surf_0_s3">
      <slice start="-3">
        <ex-surf>
          <tokaddr />
        </ex-surf>
      </slice>
    </def-macro>
    <def-macro as="surf_0">
      <ex-surf>
        <tokaddr />
      </ex-surf>
    </def-macro>
    <def-macro as="surf_m1">
      <ex-surf>
        <add>
          <tokaddr />
          <int val="-1" />
        </add>
      </ex-surf>
    </def-macro>
    <def-macro as="surf_m1_s3">
      <slice start="-3">
        <ex-surf>
          <add>
            <tokaddr />
            <int val="-1" />
          </add>
        </ex-surf>
      </slice>
    </def-macro>
    <def-macro as="surf_m2">
      <ex-surf>
        <add>
          <tokaddr />
          <int val="-1" />
        </add>
      </ex-surf>
    </def-macro>
    <def-macro as="surf_p1">
      <ex-surf>
        <add>
          <tokaddr />
          <int val="1" />
        </add>
      </ex-surf>
    </def-macro>
    <def-macro as="surf_p1_s3">
      <slice start="-3">
        <ex-surf>
          <add>
            <tokaddr />
            <int val="1" />
          </add>
        </ex-surf>
      </slice>
    </def-macro>
    <def-macro as="surf_p2">
      <ex-surf>
        <add>
          <tokaddr />
          <int val="2" />
        </add>
      </ex-surf>
    </def-macro>
    <def-macro as="lemma_0">
      <ex-lemma>
        <ex-wordoid>
          <wrdaddr />
        </ex-wordoid>
      </ex-lemma>
    </def-macro>
    <def-macro as="suffix_1_0">
      <slice start="-1">
        <ex-lemma>
          <ex-wordoid>
            <wrdaddr />
          </ex-wordoid>
        </ex-lemma>
      </slice>
    </def-macro>
    <def-macro as="suffix_3_0">
      <slice start="-3">
        <ex-lemma>
          <ex-wordoid>
            <wrdaddr />
          </ex-wordoid>
        </ex-lemma>
      </slice>
    </def-macro>
    <def-macro as="tokaddr_m2">
      <add>
        <tokaddr />
        <int val="-2" />
      </add>
    </def-macro>
    <def-macro as="tokaddr_m1">
      <add>
        <tokaddr />
        <int val="-1" />
      </add>
    </def-macro>
    <def-macro as="tok_coarsetags" args="addr">
      <join>
        <for-each as="wordoid">
          <ex-wordoids>
            <var name="addr" />
          </ex-wordoids>
          <ex-coarse>
            <var name="wordoid" />
          </ex-coarse>
        </for-each>
      </join>
    </def-macro>
  </defns>
  <global-pred>
    <eq>
      <wrdidx />
      <int val="0" />
    </eq>
  </global-pred>
  <feats>
    <!-- add('bias') # This acts sort of like a prior -->
    <feat>
      <out>
        <macro name="tok_coarsetags"><tokaddr /></macro>
      </out>
    </feat>
    <!-- add('i suffix', word[-3:]) -->
    <feat>
      <out>
        <macro name="tok_coarsetags"><tokaddr /></macro>
      </out>
      <out>
        <macro name="suffix_3_0"></macro>
      </out>
    </feat>
    <!-- add('i pref1', word[0]) -->
    <feat>
      <out>
        <macro name="tok_coarsetags"><tokaddr /></macro>
      </out>
      <out>
        <macro name="suffix_1_0"></macro>
      </out>
    </feat>
    <!-- add('i-1 tag', prev) -->
    <feat>
      <out>
        <macro name="tok_coarsetags"><tokaddr /></macro>
      </out>
      <out>
        <macro name="tok_coarsetags">
          <macro name="tokaddr_m1"></macro>
        </macro>
      </out>
    </feat>
    <!-- add('i-2 tag', prev2) -->
    <feat>
      <out>
        <macro name="tok_coarsetags"><tokaddr /></macro>
      </out>
      <out>
        <macro name="tok_coarsetags">
          <macro name="tokaddr_m2"></macro>
        </macro>
      </out>
    </feat>
    <!-- add('i-1 tag+i-2 tag', prev, prev2) -->
    <feat>
      <out>
        <macro name="tok_coarsetags"><tokaddr /></macro>
      </out>
      <out>
        <macro name="tok_coarsetags">
          <macro name="tokaddr_m1"></macro>
        </macro>
      </out>
      <out>
        <macro name="tok_coarsetags">
          <macro name="tokaddr_m2"></macro>
        </macro>
      </out>
    </feat>
    <!-- add('i word', context[i]) -->
    <feat>
      <out>
        <macro name="tok_coarsetags"><tokaddr /></macro>
      </out>
      <out>
        <macro name="surf_0"></macro>
      </out>
    </feat>
    <!-- add('i-1 tag+i word', prev, context[i]) -->
    <feat>
      <out>
        <macro name="tok_coarsetags"><tokaddr /></macro>
      </out>
      <out>
        <macro name="tok_coarsetags">
          <macro name="tokaddr_m1"></macro>
        </macro>
      </out>
      <out>
        <macro name="surf_0"></macro>
      </out>
    </feat>
    <!-- add('i-1 word', context[i-1]) -->
    <feat>
      <out>
        <macro name="tok_coarsetags"><tokaddr /></macro>
      </out>
      <out>
        <macro name="surf_m1"></macro>
      </out>
    </feat>
    <!-- add('i-1 suffix', context[i-1][-3:]) -->
    <feat>
      <out>
        <macro name="tok_coarsetags"><tokaddr /></macro>
      </out>
      <out>
        <macro name="surf_m1_s3"></macro>
      </out>
    </feat>
    <!-- add('i-2 word', context[i-2]) -->
    <feat>
      <out>
        <macro name="tok_coarsetags"><tokaddr /></macro>
      </out>
      <out>
        <macro name="surf_m2"></macro>
      </out>
    </feat>
    <!-- add('i+1 word', context[i+1]) -->
    <feat>
      <out>
        <macro name="tok_coarsetags"><tokaddr /></macro>
      </out>
      <out>
        <macro name="surf_p1"></macro>
      </out>
    </feat>
    <!-- add('i+1 suffix', context[i+1][-3:]) -->
    <feat>
      <out>
        <macro name="tok_coarsetags"><tokaddr /></macro>
      </out>
      <out>
        <macro name="surf_p1_s3"></macro>
      </out>
    </feat>
    <!-- add('i+2 word', context[i+2]) -->
    <feat>
      <out>
        <macro name="tok_coarsetags"><tokaddr /></macro>
      </out>
      <out>
        <macro name="surf_p2"></macro>
      </out>
    </feat>
  </feats>
</metatag>