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Commit d8c8802

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Added support for Microsoft Concept Graph
1 parent 21c6b2b commit d8c8802

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4 files changed

+105
-0
lines changed

4 files changed

+105
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lines changed

‎corenlp.json

Whitespace-only changes.

‎examples/concept.php

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<?php
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require "vendor/autoload.php";
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$concept = new \Web64\Nlp\MsConcept;
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$concept->debug = true;
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$res = $concept->get('php');
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print_r( $res );
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echo "\nGet Score by NPMI:\n";
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$res = $concept->limit(3)->scoreBy('ScoreByNPMI')->smooth(0.0001)->get('php');
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print_r( $res );

‎src/MsConcept.php

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<?php
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namespace Web64\Nlp;
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/**
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* Microsoft Concept Graph For Short Text Understanding
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* - Documentation: https://concept.research.microsoft.com/
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* - Example: https://concept.research.microsoft.com/api/Concept/ScoreByProb?instance=catalonia&topK=10&smooth=1
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*/
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class MsConcept
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{
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private $api_url = "https://concept.research.microsoft.com/api/Concept/";
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private $limit = 10;
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private $smooth = 0.0004;
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private $score_by = 'ScoreByProb';
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public $debug = false;
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public function limit( $limit )
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{
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$this->limit = (int)$limit;
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return $this;
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}
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public function scoreBy( $score_by )
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{
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$this->score_by = $score_by;
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return $this;
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}
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public function smooth( $smooth )
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{
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$this->smooth = $smooth;
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return $this;
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}
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// , $num_results = 10, $score_method = 'ScoreByProb', $smooth = 0.0001
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public function get( $word )
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{
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$url = $this->api_url . $this->score_by . "?instance=" . urlencode($word) . "&topK=". $this->limit . "&smooth=". $this->smooth;
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return $this->call( $url );
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}
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public function call( $url )
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{
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if ( $this->debug ) echo "URL: $url\n";
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$context_params = array(
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'http' => array(
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'method' => 'GET',
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'header' => "Content-Type: application/json\r\n",
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)
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);
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$context = stream_context_create( $context_params );
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$response = file_get_contents($url, FALSE, $context);
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return json_decode($response, 1);
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}
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}

‎tests/Unit/ConceptTest.php

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<?php
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namespace Tests\Unit;
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use Tests\TestCase;
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class ConceptTest extends TestCase
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{
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/** @test */
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public function get_concepts_for_words()
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{
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$concept = new \Web64\Nlp\MsConcept;
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$res = $concept->get('php');
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$this->assertNotEmpty( $res );
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$this->assertEquals( 'language', key($res) );
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}
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/** @test */
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public function score_by_npmi()
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{
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$concept = new \Web64\Nlp\MsConcept;
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$res = $concept->limit(3)->scoreBy('ScoreByNPMI')->smooth(0.0001)->get('php');
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$this->assertNotEmpty( $res );
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$this->assertEquals( 3, count($res) );
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$this->assertEquals( 'programming language', key($res) );
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}
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}

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