Here api 为什么平均值总是0?

Here api 为什么平均值总是0?,here-api,Here Api,我使用的是“按类别浏览热门地点”API,结果中所有项目的平均值始终为0 我对各种类别(如餐厅和景点博物馆)进行了此调用,但平均值总是返回0。此处没有提供此详细信息,如果是,为什么在响应中返回此详细信息 一些细节: 我正在拨打此url的电话: https://places.ls.hereapi.com/places/v1/discover/explore?at=52.5159%2C13.3777&cat=sights-museums&apiKey={api_key} 它会返回这样

我使用的是“按类别浏览热门地点”API,结果中所有项目的平均值始终为0

我对各种类别(如餐厅和景点博物馆)进行了此调用,但平均值总是返回0。此处没有提供此详细信息,如果是,为什么在响应中返回此详细信息

一些细节:

我正在拨打此url的电话:

https://places.ls.hereapi.com/places/v1/discover/explore?at=52.5159%2C13.3777&cat=sights-museums&apiKey={api_key}
它会返回这样的结果:

{
  "results": {
    "next": "https://places.ls.hereapi.com/places/v1/discover/explore;context=Y2F0PXNpZ2h0cy1tdXNldW1zJmZsb3ctaWQ9Mjk0ZjU1NTgtMmY0Mi01Y2FiLWJlYWUtOGEyM2ViY2EzMzgzXzE1ODMyNjMyNjEwMzZfMF84NTcyJm9mZnNldD0yMCZzaXplPTIw?at=52.5159%2C13.3777&app_id=LKO34glU2MBEVbcOD5mQ&app_code=A2ta_nQ8HRYwenju5HFG5Q",
    "items": [
      {
        "position": [
          52.51629,
          13.37817
        ],
        "distance": 54,
        "title": "Brandenburg Gate",
        "averageRating": 0,
        "category": {
          "id": "landmark-attraction",
          "title": "Landmark/Attraction",
          "href": "https://places.ls.hereapi.com/places/v1/categories/places/landmark-attraction?app_id=LKO34glU2MBEVbcOD5mQ&app_code=A2ta_nQ8HRYwenju5HFG5Q",
          "type": "urn:nlp-types:category",
          "system": "places"
        },
        "icon": "https://download.vcdn.data.here.com/p/d/places2/icons/categories/38.icon",
        "vicinity": "Pariser Platz<br/>Mitte, 10117 Berlin",
        "having": [],
        "type": "urn:nlp-types:place",
        "href": "https://places.ls.hereapi.com/places/v1/places/276u33db-8ee2e0de906e459cbade0593986debe9;context=Zmxvdy1pZD0yOTRmNTU1OC0yZjQyLTVjYWItYmVhZS04YTIzZWJjYTMzODNfMTU4MzI2MzI2MTAzNl8wXzg1NzImcmFuaz0w?app_id=LKO34glU2MBEVbcOD5mQ&app_code=A2ta_nQ8HRYwenju5HFG5Q",
        "id": "276u33db-8ee2e0de906e459cbade0593986debe9",
        "alternativeNames": [
          {
            "name": "Brandenburger Tor",
            "language": "de"
          }
        ]
      },
      {
        "position": [
          52.51373,
          13.37976
        ],
        "distance": 279,
        "title": "Holocaust Memorial",
        "averageRating": 0,
        "category": {
          "id": "museum",
          "title": "Museum",
          "href": "https://places.ls.hereapi.com/places/v1/categories/places/museum?app_id=LKO34glU2MBEVbcOD5mQ&app_code=A2ta_nQ8HRYwenju5HFG5Q",
          "type": "urn:nlp-types:category",
          "system": "places"
        },
        "icon": "https://download.vcdn.data.here.com/p/d/places2/icons/categories/10.icon",
        "vicinity": "Cora-Berliner-Straße 1<br/>Mitte, 10117 Berlin",
        "having": [],
        "type": "urn:nlp-types:place",
        "href": "https://places.ls.hereapi.com/places/v1/places/276u33de-df7d57fd38494a93b2018fe549a0fd75;context=Zmxvdy1pZD0yOTRmNTU1OC0yZjQyLTVjYWItYmVhZS04YTIzZWJjYTMzODNfMTU4MzI2MzI2MTAzNl8wXzg1NzImcmFuaz0x?app_id=LKO34glU2MBEVbcOD5mQ&app_code=A2ta_nQ8HRYwenju5HFG5Q",
        "id": "276u33de-df7d57fd38494a93b2018fe549a0fd75",
        "openingHours": {
          "text": "Tue-Sun: 10:00 - 20:00",
          "label": "Opening hours",
          "isOpen": false,
          "structured": [
            {
              "start": "T100000",
              "duration": "PT10H00M",
              "recurrence": "FREQ:DAILY;BYDAY:TU,WE,TH,FR,SA,SU"
            }
          ]
        },
        "alternativeNames": [
          {
            "name": "Memorial to the Murdered European Jews",
            "language": "en"
          },
          {
            "name": "Memorial to the Murdered Jews of Europe",
            "language": "en"
          },
          {
            "name": "Denkmal für die ermordeten Juden Europas",
            "language": "de"
          }
        ]
      },
      {
        "position": [
          52.51666,
          13.40784
        ],
        "distance": 2041,
        "title": "Nicholas Quarter",
        "averageRating": 0,
        "category": {
          "id": "museum",
          "title": "Museum",
          "href": "https://places.ls.hereapi.com/places/v1/categories/places/museum?app_id=LKO34glU2MBEVbcOD5mQ&app_code=A2ta_nQ8HRYwenju5HFG5Q",
          "type": "urn:nlp-types:category",
          "system": "places"
        },
        "icon": "https://download.vcdn.data.here.com/p/d/places2/icons/categories/10.icon",
        "vicinity": "Nikolaikirchplatz<br/>Mitte, 10178 Berlin",
        "having": [],
        "type": "urn:nlp-types:place",
        "href": "https://places.ls.hereapi.com/places/v1/places/276u33dc-049683d3c6be4bdba823808678a1b164;context=Zmxvdy1pZD0yOTRmNTU1OC0yZjQyLTVjYWItYmVhZS04YTIzZWJjYTMzODNfMTU4MzI2MzI2MTAzNl8wXzg1NzImcmFuaz0xOQ?app_id=LKO34glU2MBEVbcOD5mQ&app_code=A2ta_nQ8HRYwenju5HFG5Q",
        "id": "276u33dc-049683d3c6be4bdba823808678a1b164",
        "alternativeNames": [
          {
            "name": "Nikolaiviertel",
            "language": "en"
          },
          {
            "name": "Nikolaiviertel",
            "language": "de"
          }
        ]
      }
    ]
  },
  "search": {
    "context": {
      "location": {
        "position": [
          52.5159,
          13.3777
        ],
        "address": {
          "text": "Ebertstraße 22<br/>Mitte, 10117 Berlin<br/>Germany",
          "house": "22",
          "street": "Ebertstraße",
          "postalCode": "10117",
          "district": "Mitte",
          "city": "Berlin",
          "county": "Berlin",
          "stateCode": "Berlin",
          "country": "Germany",
          "countryCode": "DEU"
        }
      },
      "type": "urn:nlp-types:place",
      "href": "https://places.ls.hereapi.com/places/v1/places/loc-dmVyc2lvbj0xO3RpdGxlPUViZXJ0c3RyYSVDMyU5RmUrMjI7bGF0PTUyLjUxNTk7bG9uPTEzLjM3Nzc7c3RyZWV0PUViZXJ0c3RyYSVDMyU5RmU7aG91c2U9MjI7Y2l0eT1CZXJsaW47cG9zdGFsQ29kZT0xMDExNztjb3VudHJ5PURFVTtkaXN0cmljdD1NaXR0ZTtzdGF0ZUNvZGU9QmVybGluO2NvdW50eT1CZXJsaW47Y2F0ZWdvcnlJZD1idWlsZGluZztzb3VyY2VTeXN0ZW09aW50ZXJuYWw;context=c2VhcmNoQ29udGV4dD0x?app_id=LKO34glU2MBEVbcOD5mQ&app_code=A2ta_nQ8HRYwenju5HFG5Q"
    }
  }
}
{
“结果”:{
“下一步”:https://places.ls.hereapi.com/places/v1/discover/explore;上下文=Y2F0PXNPZ2H0CY1TDXNLDW1ZJMZSB3CTAWQ9MJK0ZJU1NTGTMMY0MI01Y2FILWJLY2EZZZXZE1DMYNJYNJMZFMF84NTCYJM9MZNLD0YMCZZAXPLPTIW?at=52.5159%2C13.3777和应用程序id=LKO34glU2MBEVbcOD5mQ和应用程序代码=A2ta,
“项目”:[
{
“职位”:[
52.51629,
13.37817
],
“距离”:54,
“标题”:“勃兰登堡门”,
“平均值”:0,
“类别”:{
“id”:“地标景点”,
“标题”:“地标/景点”,
“href”:”https://places.ls.hereapi.com/places/v1/categories/places/landmark-attraction?app_id=LKO34glU2MBEVbcOD5mQ&app_code=A2ta_nQ8HRYwenju5HFG5Q",
“类型”:“urn:nlp类型:类别”,
“系统”:“场所”
},
“图标”:”https://download.vcdn.data.here.com/p/d/places2/icons/categories/38.icon",
“附近地区”:“巴黎广场
米特,柏林10117号”, “拥有”:[…], “类型”:“urn:nlp类型:位置”, “href”:”https://places.ls.hereapi.com/places/v1/places/276u33db-8ee2e0de906e459cbade0593986debe9;上下文=ZMXVDY1PZD0YOTRmntu1oc0yzjqyltVjyWityMz04ytizzwjytmzodnfmtu4mzi2mzi2mtaznl8wxzg1nzimcmfuaz0w?app_id=LKO34glU2MBEVbcOD5mQ&app_code=a2_nq8; rywenju5hfg5q“, “id”:“276u33db-8ee2e0de906e459cbade0593986debe9”, “备选名称”:[ { “姓名”:“勃兰登堡托尔”, “语言”:“德” } ] }, { “职位”:[ 52.51373, 13.37976 ], “距离”:279, “标题”:“大屠杀纪念馆”, “平均值”:0, “类别”:{ “id”:“博物馆”, “标题”:“博物馆”, “href”:”https://places.ls.hereapi.com/places/v1/categories/places/museum?app_id=LKO34glU2MBEVbcOD5mQ&app_code=A2ta_nQ8HRYwenju5HFG5Q", “类型”:“urn:nlp类型:类别”, “系统”:“场所” }, “图标”:”https://download.vcdn.data.here.com/p/d/places2/icons/categories/10.icon", “附近地区”:“科拉柏林街1号
米特,柏林10117号”, “拥有”:[…], “类型”:“urn:nlp类型:位置”, “href”:”https://places.ls.hereapi.com/places/v1/places/276u33de-df7d57fd38494a93b2018fe549a0fd75;上下文=ZMXVDY1PZD0YOTRMNTU1OC0YZJQYLTVJYWITYVHZS04YTIZWJYTMZODNFMTU4MZI2MZI2MTAZNL8WXZG1NZIMCMFUAZ0x?应用程序id=LKO34glU2MBEVbcOD5mQ和应用程序代码=A2ta_NQ8RYWENJ5HFG5Q”, “id”:“276u33de-df7d57fd38494a93b2018fe549a0fd75”, “开放小时”:{ “文本”:“周二太阳:10:00-20:00”, “标签”:“营业时间”, “isOpen”:假, “结构化”:[ { “开始”:“T100000”, “持续时间”:“PT10H00M”, “重现”:“频率:每日;BYDAY:TU、WE、TH、FR、SA、SU” } ] }, “备选名称”:[ { “名称”:“被谋杀的欧洲犹太人纪念碑”, “语言”:“en” }, { “名称”:“欧洲被害犹太人纪念碑”, “语言”:“en” }, { “名称”:“Denkmal für die ermordeten Juden Europas”, “语言”:“德” } ] }, { “职位”:[ 52.51666, 13.40784 ], “距离”:2041, “头衔”:“尼古拉斯区”, “平均值”:0, “类别”:{ “id”:“博物馆”, “标题”:“博物馆”, “href”:”https://places.ls.hereapi.com/places/v1/categories/places/museum?app_id=LKO34glU2MBEVbcOD5mQ&app_code=A2ta_nQ8HRYwenju5HFG5Q", “类型”:“urn:nlp类型:类别”, “系统”:“场所” }, “图标”:”https://download.vcdn.data.here.com/p/d/places2/icons/categories/10.icon", “附近地区”:“Nikolaikirchplatz
米特,柏林10178号”, “拥有”:[…], “类型”:“urn:nlp类型:位置”, “href”:”https://places.ls.hereapi.com/places/v1/places/276u33dc-049683d3c6be4bdba823808678a1b164;context=zmxvdy1pzd0yotrmntu1oc0yzjqyltvjywhz04ytizzwjytmzodnfmtu4mzi2mzi2mtaznl8wxzg1nzimcmfuaz0xoq?app_id=LKO34glU2MBEVbcOD5mQ&app_code=A2ta_nq8; rywenju5hfg5q“, “id”:“276u33dc-049683d3c6be4bdba823808678a1b164”, “备选名称”:[ { “姓名”:“Nikolaiviertel”, “语言”:“en” }, { “姓名”:“Nikolaiviertel”, “语言”:“德” } ] } ] }, “搜索”:{ “背景”:{ “地点”:{ “职位”:[ 52.5159, 13.3777 ], “地址”:{ “文本”:“德国柏林10117号埃伯斯特拉22号米特”, “房子”:“22”, “街道”:“Ebertstraße”, “postalCode”:“10117”, “地区”:“米特”, “城市”:“柏林”, “郡”:“柏林”, “州代码”:“柏林”, “国家”:“德国”, “国家代码”:“DEU” } }, “类型”:“urn:nlp类型:位置”, “href”:"https://places.ls.hereapi.com/places/v1/places/loc-dmVyc2lvbj0xO3RpdGxlPUViZXJ0c3RyYSVDMyU5RmUrMjI7bGF0PTUyLjUxNTk7bG9uPTEzLjM3Nzc7c3RyZWV0PUViZXJ0c3RyYSVDMyU5RmU7aG91c2U9MjI7Y2l0eT1CZXJsaW47cG9zdGFsQ29kZT0xMDExNztjb3VudHJ5PURFVTtkaXN0cmljdD1NaXR0ZTtzdGF0ZUNvZGU9QmVybGluO2NvdW50eT1CZXJsaW47Y2F0ZWdvcnlJZD1idWlsZGluZztzb3VyY2VTeXN0ZW09aW50ZXJuYWw;公司ntext=c2Vhcm