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    { "id" : "http://dbpedia.org/resource/Piezoelectricity"
      "properties" : {
        "http://www.w3.org/2000/01/rdf-schema#comment" : [ "Piezoelectricity /piˌeɪzoʊˌilɛkˈtrɪsɪti/ is the electric charge that accumulates in certain solid materials (such as crystals, certain ceramics, and biological matter such as bone, DNA and various proteins) in response to applied mechanical stress. The word piezoelectricity means electricity resulting from pressure." ] ,
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        "http://dbpedia.org/ontology/thumbnail" : [ "http://commons.wikimedia.org/wiki/Special:FilePath/SchemaPiezo.gif?width=300"] } } }
