"operational research" meaning in English

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  "lang_code": "en",
  "pos": "noun",
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        {
          "kind": "topical",
          "langcode": "en",
          "name": "Operations",
          "orig": "en:Operations",
          "parents": [
            "Management",
            "Systems theory",
            "Business",
            "Sciences",
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            "Social sciences",
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      "glosses": [
        "Alternative form of operations research"
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      "id": "en-operational_research-en-noun-38CFl8q0",
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  "word": "operational research"
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  "lang_code": "en",
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  "word": "operational research"
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