text keywords derived

{
  "input": {
    "body": {
      "text": "Compatibility of systems of linear constraints over the set of natural numbers. Criteria of compatibility of a system of linear Diophantine equations, strict inequations, and nonstrict inequations are considered. Upper bounds for components of a minimal set of solutions and algorithms of construction of minimal generating sets of solutions for all types of systems are given.",
      "top_n": 3
    },
    "type": "http",
    "method": "POST",
    "bodyType": "json"
  },
  "output": {
    "type": "json",
    "example": {
      "note": "RAKE: phrases between stop words and punctuation, scored by word degree / frequency",
      "method": "rake",
      "source": {
        "library": "own implementation (standard library)",
        "license": "n/a"
      },
      "keywords": [
        {
          "count": 1,
          "score": 8.5,
          "phrase": "linear diophantine equations"
        },
        {
          "count": 1,
          "score": 8.5,
          "phrase": "minimal generating sets"
        },
        {
          "count": 1,
          "score": 4.5,
          "phrase": "linear constraints"
        }
      ],
      "language": "en",
      "candidates": 20
    }
  }
}