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The ACT-DL API provides access to the classifiers via HTTP with the responses encoded in either XML or JSON, as shown in the examples below. For more information, please refer to the documentation.

Sample request

http://clfapi.base-search.net/classify?text=Mathematics&language=en&format=xml

Sample resonse

<results language="en">
  <result level="1">
    <DDC number="5" heading="Science" confidence="0.642842433048"/>
    <DDC number="3" heading="Social sciences" confidence="0.153678304171"/>
    <DDC number="6" heading="Technology" confidence="0.113899075409"/>
    <DDC number="7" heading="Arts &amp; recreation" confidence="0.0509034274529"/>
    <DDC number="0" heading="Computer science ..." confidence="..."/>
    <DDC number="9" heading="History &amp; geography" confidence="0.00924913669985"/>
    <DDC number="2" heading="Religion" confidence="0.00839946320403"/>
    <DDC number="8" heading="Literature" confidence="0.00567627025569"/>
    <DDC number="4" heading="Language" confidence="0.00295446462836"/>
    <DDC number="1" heading="Philosophy &amp; psychology" confidence="0.00199558448278"/>
  </result>
  <result level="2">
    <DDC number="51" heading="Mathematics" confidence="0.948098700683"/>
    <DDC number="57" heading="Life sciences; biology" confidence="0.0121094418067"/>
    <DDC number="59" heading="Animals (Zoology)" confidence="0.00915736550968"/>
    <DDC number="53" heading="Physics" confidence="0.00896283232273"/>
    <DDC number="54" heading="Chemistry" confidence="0.00890949865225"/>
    <DDC number="50" heading="Science" confidence="0.00553605223902"/>
    <DDC number="58" heading="Plants (Botany)" confidence="0.00287309981003"/>
    <DDC number="55" heading="Earth sciences &amp; geology" confidence="..."/>
    <DDC number="52" heading="Astronomy" confidence="0.00108935568839"/>
    <DDC number="56" heading="Fossils &amp; prehistoric life" confidence="..."/>
  </result>
  <result level="3">
    <DDC number="510" heading="Mathematics" confidence="0.987321567068"/>
    <DDC number="515" heading="Analysis" confidence="0.0036012222724"/>
    <DDC number="518" heading="Numerical analysis" confidence="0.00244515445432"/>
    <DDC number="512" heading="Algebra" confidence="0.00229963903671"/>
    <DDC number="516" heading="Geometry" confidence="0.00223162097482"/>
    <DDC number="519" heading="Probabilities &amp; applied mathematics" confidence="..."/>
  </result>
</results>
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