{"id":4909,"date":"2020-01-01T00:00:00","date_gmt":"2019-12-31T15:00:00","guid":{"rendered":"https:\/\/majisemi.com\/topics\/uncategorized\/4909\/"},"modified":"2020-01-01T00:00:00","modified_gmt":"2019-12-31T15:00:00","slug":"%e3%80%90oss%e6%83%85%e5%a0%b1%e3%82%a2%e3%83%bc%e3%82%ab%e3%82%a4%e3%83%96%e3%80%91ngt","status":"publish","type":"post","link":"https:\/\/majisemi.com\/topics\/oss\/4909\/","title":{"rendered":"\u3010OSS\u60c5\u5831\u30a2\u30fc\u30ab\u30a4\u30d6\u3011NGT"},"content":{"rendered":"<p><small><span style=\"border-bottom: solid 5px red;\">\u203b\u5f53\u8a18\u4e8b\u306b\u8a18\u8f09\u3055\u308c\u3066\u3044\u308b\u60c5\u5831\u306f\u3001\u53e4\u304f\u306a\u3063\u3066\u3044\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002\u30aa\u30d5\u30a3\u30b7\u30e3\u30eb\u30b5\u30a4\u30c8\u3067\u6700\u65b0\u60c5\u5831\u3092\u3054\u78ba\u8a8d\u304f\u3060\u3055\u3044\u3002<\/span><\/small><\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_82_2 counter-hierarchy ez-toc-counter ez-toc-light-blue ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">\u30b3\u30f3\u30c6\u30f3\u30c4<\/p>\n<span class=\"ez-toc-title-toggle\"><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/majisemi.com\/topics\/oss\/4909\/#%E3%80%8CNGT%E3%80%8D%E3%81%A8%E3%81%AF\" >\u300cNGT\u300d\u3068\u306f<\/a><ul class='ez-toc-list-level-2' ><li class='ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/majisemi.com\/topics\/oss\/4909\/#%E3%80%8CNGT%E3%80%8D%E5%9F%BA%E6%9C%AC%E6%83%85%E5%A0%B1\" >\u300cNGT\u300d\u57fa\u672c\u60c5\u5831<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/majisemi.com\/topics\/oss\/4909\/#%E2%96%A0%E6%A6%82%E8%A6%81\" >\u25a0\u6982\u8981<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/majisemi.com\/topics\/oss\/4909\/#%E2%96%A0%E5%9F%BA%E6%9C%AC%E8%AA%AC%E6%98%8E\" >\u25a0\u57fa\u672c\u8aac\u660e<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/majisemi.com\/topics\/oss\/4909\/#%E2%96%A0%E7%B5%8C%E7%B7%AF\" >\u25a0\u7d4c\u7def<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/majisemi.com\/topics\/oss\/4909\/#%E2%96%A0%E3%82%AA%E3%83%95%E3%82%A3%E3%82%B7%E3%83%A3%E3%83%AB%E3%82%B5%E3%82%A4%E3%83%88%E6%83%85%E5%A0%B1\" >\u25a0\u30aa\u30d5\u30a3\u30b7\u30e3\u30eb\u30b5\u30a4\u30c8\u60c5\u5831<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/majisemi.com\/topics\/oss\/4909\/#%E2%96%A0%E5%90%8C%E6%A7%98%E8%A3%BD%E5%93%81\" 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class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/majisemi.com\/topics\/oss\/4909\/#%E2%96%A0%E7%89%B9%E5%AE%9A%E7%89%A9%E4%BD%93%E8%AA%8D%E8%AD%98\" >\u25a0\u7279\u5b9a\u7269\u4f53\u8a8d\u8b58<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/majisemi.com\/topics\/oss\/4909\/#%E2%96%A0%E9%A1%9E%E4%BC%BC%E5%95%86%E5%93%81%E6%A4%9C%E7%B4%A2\" >\u25a0\u985e\u4f3c\u5546\u54c1\u691c\u7d22<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/majisemi.com\/topics\/oss\/4909\/#%E2%96%A0%E5%BA%83%E5%91%8A%E9%85%8D%E4%BF%A1%E7%B2%BE%E5%BA%A6%E5%90%91%E4%B8%8A\" >\u25a0\u5e83\u544a\u914d\u4fe1\u7cbe\u5ea6\u5411\u4e0a<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/majisemi.com\/topics\/oss\/4909\/#%E2%96%A0%E7%A4%BE%E4%BC%9A%E5%AE%89%E5%85%A8%E6%8A%80%E8%A1%93%E9%A0%98%E5%9F%9F\" >\u25a0\u793e\u4f1a\u5b89\u5168\u6280\u8853\u9818\u57df<\/a><\/li><\/ul><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/majisemi.com\/topics\/oss\/4909\/#%E3%80%8CNGT%E3%80%8D%E3%81%AE%E4%B8%BB%E3%81%AA%E7%89%B9%E5%BE%B4\" >\u300cNGT\u300d\u306e\u4e3b\u306a\u7279\u5fb4<\/a><ul class='ez-toc-list-level-2' ><li class='ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/majisemi.com\/topics\/oss\/4909\/#%E3%80%8CNGT%E3%80%8D%E3%81%AE%E4%B8%BB%E3%81%AA%E7%89%B9%E5%BE%B4-2\" >\u300cNGT\u300d\u306e\u4e3b\u306a\u7279\u5fb4<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/majisemi.com\/topics\/oss\/4909\/#%E2%96%A0%E8%BF%91%E4%BC%BCk%E6%9C%80%E8%BF%91%E5%82%8D%E6%8E%A2%E7%B4%A2k-Nearest_Neighbor_Search\" >\u25a0\u8fd1\u4f3ck\u6700\u8fd1\u508d\u63a2\u7d22(k-Nearest Neighbor Search)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/majisemi.com\/topics\/oss\/4909\/#%E2%96%A0%E3%82%B5%E3%83%9D%E3%83%BC%E3%83%88%E8%A8%80%E8%AA%9E\" >\u25a0\u30b5\u30dd\u30fc\u30c8\u8a00\u8a9e<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/majisemi.com\/topics\/oss\/4909\/#%E2%96%A0Python%E9%80%A3%E6%90%BA\" >\u25a0Python\u9023\u643a<\/a><\/li><\/ul><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/majisemi.com\/topics\/oss\/4909\/#%E3%80%8CNGT%E3%80%8D%E3%81%AE%E9%AB%98%E9%80%9F%E3%82%A4%E3%83%B3%E3%83%87%E3%83%83%E3%82%AF%E3%82%B9%E6%8A%80%E8%A1%93\" >\u300cNGT\u300d\u306e\u9ad8\u901f\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u6280\u8853<\/a><ul class='ez-toc-list-level-2' ><li class='ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-21\" href=\"https:\/\/majisemi.com\/topics\/oss\/4909\/#%E3%80%8CNGT%E3%80%8D%E3%81%AE%E9%AB%98%E9%80%9F%E3%82%A4%E3%83%B3%E3%83%87%E3%83%83%E3%82%AF%E3%82%B9%E6%8A%80%E8%A1%93-2\" >\u300cNGT\u300d\u306e\u9ad8\u901f\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u6280\u8853<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-22\" href=\"https:\/\/majisemi.com\/topics\/oss\/4909\/#%E2%96%A0%E3%83%87%E3%83%BC%E3%82%BF%E7%B2%BE%E5%BA%A6%E3%81%AB%E9%96%A2%E3%82%8F%E3%82%8B%E5%87%A6%E7%90%86%E9%80%9F%E5%BA%A6\" >\u25a0\u30c7\u30fc\u30bf\u7cbe\u5ea6\u306b\u95a2\u308f\u308b\u51e6\u7406\u901f\u5ea6<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-23\" href=\"https:\/\/majisemi.com\/topics\/oss\/4909\/#%E2%96%A0%E7%8B%AC%E8%87%AA%E3%82%A4%E3%83%B3%E3%83%87%E3%83%83%E3%82%AF%E3%82%B9%E6%89%8B%E6%B3%95\" >\u25a0\u72ec\u81ea\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u624b\u6cd5<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-24\" href=\"https:\/\/majisemi.com\/topics\/oss\/4909\/#%E2%96%A0%E9%AB%98%E9%80%9F%E6%80%A7\" >\u25a0\u9ad8\u901f\u6027<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-25\" href=\"https:\/\/majisemi.com\/topics\/oss\/4909\/#%E2%96%A0%E3%82%A4%E3%83%B3%E3%83%87%E3%83%83%E3%82%AF%E3%82%B9%E3%81%AE%E5%85%B1%E6%9C%89%E3%83%A1%E3%83%A2%E3%83%AA%E9%85%8D%E7%BD%AE\" >\u25a0\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u306e\u5171\u6709\u30e1\u30e2\u30ea\u914d\u7f6e<\/a><\/li><\/ul><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h1 class=\"h1Custom\"><span class=\"ez-toc-section\" id=\"%E3%80%8CNGT%E3%80%8D%E3%81%A8%E3%81%AF\"><\/span>\u300cNGT\u300d\u3068\u306f<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<h2 class=\"h2Custom\"><span class=\"ez-toc-section\" id=\"%E3%80%8CNGT%E3%80%8D%E5%9F%BA%E6%9C%AC%E6%83%85%E5%A0%B1\"><\/span>\u300cNGT\u300d\u57fa\u672c\u60c5\u5831<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3 class=\"h3Custom\"><span class=\"ez-toc-section\" id=\"%E2%96%A0%E6%A6%82%E8%A6%81\"><\/span>\u25a0\u6982\u8981<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>NGT<\/strong>(Neighborhood Graph and Tree for Indexing)\u3068\u306f\u3001\u9ad8\u6b21\u5143\u30d9\u30af\u30c8\u30eb\u30c7\u30fc\u30bf\u9ad8\u901f\u691c\u7d22\u6280\u8853\u3067\u3059\u3002\u30d3\u30c3\u30b0\u30c7\u30fc\u30bf\u5206\u6790\/\u30c7\u30a3\u30fc\u30d7\u30e9\u30fc\u30cb\u30f3\u30b0\u9818\u57df\u306b\u6d3b\u7528\u3067\u304d\u308b\u6280\u8853\u3068\u3057\u3066\u6ce8\u76ee\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<h3 class=\"h3Custom\"><span class=\"ez-toc-section\" id=\"%E2%96%A0%E5%9F%BA%E6%9C%AC%E8%AA%AC%E6%98%8E\"><\/span>\u25a0\u57fa\u672c\u8aac\u660e<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>NGT(Neighborhood Graph and Tree for Indexing High-dimensional Data)\u306f\u3001\u9ad8\u6b21\u5143\u30d9\u30af\u30c8\u30eb\u30c7\u30fc\u30bf\u7a7a\u9593(\u6570\u5341\uff5e\u6570\u5343\u6b21\u5143)\u306b\u304a\u3051\u308b\u5927\u91cf\u30c7\u30fc\u30bf(\u6570\u767e\u4e07\uff5e\u6570\u5343\u4e07\u306e\u30c7\u30fc\u30bf\u9805\u76ee)\u306b\u5bfe\u3057\u3066\u9ad8\u901f\u8fd1\u4f3c\u691c\u7d22\u3092\u5b9f\u884c\u3059\u308b\u30b3\u30de\u30f3\u30c9\u304a\u3088\u3073\u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002<\/p>\n<p>NGT\u306f\u3001\u5927\u91cf\u306e\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u4e2d\u304b\u3089\u3001\u9ad8\u6b21\u5143\u30c7\u30fc\u30bf\u3068\u5b9a\u7fa9\u3055\u308c\u308b\u300c\u30c6\u30ad\u30b9\u30c8\u30c7\u30fc\u30bf\u300d\u300c\u753b\u50cf\u30c7\u30fc\u30bf\u300d\u300c\u5546\u54c1\u30c7\u30fc\u30bf\u300d\u300c\u30e6\u30fc\u30b6\u30fc\u30c7\u30fc\u30bf\u300d\u306a\u3069\u306e\u8907\u6570\u306e\u7279\u5fb4\u3092\u6301\u3064\u30c7\u30fc\u30bf\u3092\u9ad8\u901f\u691c\u7d22\u3067\u304d\u308b\u3082\u306e\u3067\u3001\u30d3\u30c3\u30b0\u30c7\u30fc\u30bf\u5206\u6790\u3092\u9ad8\u901f\u5316\u3059\u308b\u6280\u8853\u3067\u3059\u3002<\/p>\n<p>AI\u3084IoT\u306e\u666e\u53ca\u306b\u3088\u308a\u307e\u3059\u307e\u3059\u5de8\u5927\u5316\u3059\u308b\u30d3\u30c3\u30b0\u30c7\u30fc\u30bf\u5206\u6790\u306e\u9ad8\u901f\u5316\u3092\u5b9f\u73fe\u3059\u308b\u3082\u306e\u3068\u3057\u3066\u6ce8\u76ee\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<h3 class=\"h3Custom\"><span class=\"ez-toc-section\" id=\"%E2%96%A0%E7%B5%8C%E7%B7%AF\"><\/span>\u25a0\u7d4c\u7def<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>NGT\u306f\u3001\u3082\u3068\u3082\u3068\u3001Yahoo! JAPAN\u306b\u3088\u3063\u3066\u300c\u7279\u5b9a\u7269\u4f53\u8a8d\u8b58\u306e\u305f\u3081\u306e\u753b\u50cf\u7279\u5fb4\u91cf\u985e\u4f3c\u691c\u7d22\u6280\u8853\u300d\u3068\u3057\u3066\u7814\u7a76\u958b\u767a\u3055\u308c\u3066\u3044\u307e\u3057\u305f\u3002<\/p>\n<p>Yahoo! JAPAN\u306f\u30012016\u5e7411\u670824\u65e5\u3001\u30d3\u30c3\u30b0\u30c7\u30fc\u30bf\u5206\u6790\u306b\u5411\u3051\u305f\u9ad8\u6b21\u5143\u30c7\u30fc\u30bf\u691c\u7d22\u6280\u8853\u300cNGT(Neighborhood Graph and Tree for Indexing)\u300d\u3092\u30aa\u30fc\u30d7\u30f3\u30bd\u30fc\u30b9\u516c\u958b\u3057\u305f\u3053\u3068\u3092\u767a\u8868\u3057\u307e\u3057\u305f\u3002<\/p>\n<h3 class=\"h3Custom\"><span class=\"ez-toc-section\" id=\"%E2%96%A0%E3%82%AA%E3%83%95%E3%82%A3%E3%82%B7%E3%83%A3%E3%83%AB%E3%82%B5%E3%82%A4%E3%83%88%E6%83%85%E5%A0%B1\"><\/span>\u25a0\u30aa\u30d5\u30a3\u30b7\u30e3\u30eb\u30b5\u30a4\u30c8\u60c5\u5831<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<h5>\u30aa\u30d5\u30a3\u30b7\u30e3\u30eb\u30b5\u30a4\u30c8<\/h5>\n<p><a href='https:\/\/research-lab.yahoo.co.jp\/software\/ngt\/index.html' target='jumpsite' rel=\"noopener\">\u2192Yahoo! JAPAN\u7814\u7a76\u6240\u3000\u2192NGT(Neighborhood Graph and Tree for Indexing High-dimensional Data)<\/a><\/p>\n<h5>\u30e9\u30a4\u30bb\u30f3\u30b9\u60c5\u5831<\/h5>\n<p>NGT\u306e\u30e9\u30a4\u30bb\u30f3\u30b9\u306f\u300cApache License v2\u300d\u3067\u3059\u3002<\/p>\n<p>\u8a73\u7d30\u306b\u3064\u3044\u3066\u3001\u3053\u3061\u3089\u3092\u53c2\u7167\u304f\u3060\u3055\u3044\u3002<br \/><a href='https:\/\/research-lab.yahoo.co.jp\/software\/ngt\/license.html' target='jumpsite' rel=\"noopener\">\u2192Yahoo! JAPAN\u7814\u7a76\u6240\u3000\u2192NGT\u3000\u2192License<\/a><\/p>\n<h5>\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9<\/h5>\n<p><a href='https:\/\/github.com\/yahoojapan\/NGT' target='jumpsite' rel=\"noopener\">\u2192GitHub\u3000\u2192yahoojapan\/NGT<\/a><\/p>\n<h3 class=\"h3Custom\"><span class=\"ez-toc-section\" id=\"%E2%96%A0%E5%90%8C%E6%A7%98%E8%A3%BD%E5%93%81\"><\/span>\u25a0\u540c\u69d8\u88fd\u54c1<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u540c\u69d8\u306a\u6a5f\u80fd\u3092\u63d0\u4f9b\u3059\u308b\u88fd\u54c1\u3068\u3057\u3066\u3001\u6b21\u306e\u3088\u3046\u306a\u3082\u306e\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u30aa\u30fc\u30d7\u30f3\u30bd\u30fc\u30b9\u88fd\u54c1\uff1a\u300c<a href='https:\/\/www.ossnews.jp\/oss_info\/Apache_Spark' target='jumpsite' rel=\"noopener\">Apache Spark<\/a>\u300d\u300c<a href='https:\/\/www.ossnews.jp\/oss_info\/Apache_Drill' target='jumpsite' rel=\"noopener\">Apache Drill<\/a>\u300d\u306a\u3069\u3002<\/p>\n<h2 class=\"h2Custom\"><span class=\"ez-toc-section\" id=\"%E3%80%8CNGT%E3%80%8D%E3%81%AE%E3%83%A6%E3%83%BC%E3%82%B9%E3%82%B1%E3%83%BC%E3%82%B9\"><\/span>\u300cNGT\u300d\u306e\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>NGT\u306f\u30d9\u30af\u30c8\u30eb\u30c7\u30fc\u30bf\u3092\u5bfe\u8c61\u3068\u3057\u305f\u9ad8\u901f\u691c\u7d22\u3092\u53ef\u80fd\u3068\u3059\u308b\u3082\u306e\u3067\u3042\u308b\u305f\u3081\u3001\u3055\u307e\u3056\u307e\u306a\u7528\u9014\u3067\u6d3b\u7528\u3067\u304d\u307e\u3059\u3002<\/p>\n<h3 class=\"h3Custom\"><span class=\"ez-toc-section\" id=\"%E2%96%A0%E4%BC%81%E6%A5%AD%E5%86%85%E3%83%93%E3%83%83%E3%82%B0%E3%83%87%E3%83%BC%E3%82%BF%E6%B4%BB%E7%94%A8\"><\/span>\u25a0\u4f01\u696d\u5185\u30d3\u30c3\u30b0\u30c7\u30fc\u30bf\u6d3b\u7528<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>NGT\u306f\u300c\u4f01\u696d\u5185\u30d3\u30c3\u30b0\u30c7\u30fc\u30bf\u6d3b\u7528\u300d\u306b\u8ca2\u732e\u3067\u304d\u308b\u6280\u8853\u3068\u3057\u3066\u671f\u5f85\u3055\u308c\u3066\u3044\u307e\u3059\u3002NGT\u306f\u3001\u5165\u529b\u65b9\u6cd5\u3082\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u3082\u30d0\u30e9\u30d0\u30e9\u3067\u3001\u591a\u304f\u306e\u9805\u76ee\u304c\u3042\u308a\u69cb\u9020\u5316\u3055\u308c\u3066\u3044\u306a\u3044\u5927\u91cf\u30c7\u30fc\u30bf\u306b\u5bfe\u3057\u3066\u9ad8\u901f\u306b\u7167\u5408\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u4f01\u696d\u5185\u306b\u84c4\u7a4d\u3055\u308c\u3066\u3044\u308b\u3082\u306e\u306e\u6d3b\u7528\u3057\u304d\u308c\u3066\u3044\u306a\u3044\u30d3\u30c3\u30b0\u30c7\u30fc\u30bf\u3092\u6d3b\u7528\u3057\u3084\u3059\u3044\u5f62\u306b\u7f6e\u304d\u63db\u3048\u308b\u51e6\u7406\u3092\u884c\u3046\u300c\u30c7\u30fc\u30bf\u9023\u643a\/\u5909\u63db\/\u7d71\u5408\u5206\u91ce\u300d\u3067\u6d3b\u7528\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u7720\u3063\u305f\u30d3\u30c3\u30b0\u30c7\u30fc\u30bf\u8cc7\u7523\u3092\u8cea\u306e\u9ad8\u3044\u60c5\u5831\u8cc7\u7523\u30d3\u30c3\u30b0\u30c7\u30fc\u30bf\u306b\u5909\u63db\u3059\u308b\u3053\u3068\u3067\u3001\u300c\u30d3\u30c3\u30b0\u30c7\u30fc\u30bf\u5206\u6790\u300d\u3084\u300c\u4eba\u5de5\u77e5\u80fd(AI)\u6280\u8853\u306e\u7cbe\u5ea6\u5411\u4e0a\u300d\u306b\u5229\u7528\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u3001\u77e5\u898b\u306e\u751f\u6210\u3084\u767a\u898b\u306b\u3064\u306a\u304c\u308a\u307e\u3059\u3002<\/p>\n<h3 class=\"h3Custom\"><span class=\"ez-toc-section\" id=\"%E2%96%A0%E5%88%86%E6%95%A3%E8%A1%A8%E7%8F%BE%E9%AB%98%E9%80%9F%E5%88%86%E6%9E%90\"><\/span>\u25a0\u5206\u6563\u8868\u73fe\u9ad8\u901f\u5206\u6790<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u8907\u6570\u306e\u7279\u5fb4\u3092\u6301\u3064\u30c7\u30fc\u30bf(\u6a5f\u68b0\u7ffb\u8a33\/\u6587\u66f8\u8981\u7d04\/\u30cb\u30e5\u30fc\u30b9\u8a18\u4e8b\/\u5546\u54c1\u30ec\u30b3\u30e1\u30f3\u30c9\/\u753b\u50cfQA\/\u97f3\u58f0\u8a8d\u8b58\u306a\u3069)\u306f\u3001\u5206\u6563\u8868\u73fe(\u30d9\u30af\u30c8\u30eb\u30c7\u30fc\u30bf)\u3068\u547c\u3070\u308c\u307e\u3059\u3002<\/p>\n<p>NGT\u306f\u3001\u3053\u306e\u3088\u3046\u306a\u30d3\u30c3\u30b0\u30c7\u30fc\u30bf\u306b\u5bfe\u3059\u308b\u9ad8\u901f\u5206\u6790\u3092\u5b9f\u73fe\u3057\u307e\u3059\u3002<\/p>\n<h3 class=\"h3Custom\"><span class=\"ez-toc-section\" id=\"%E2%96%A0%E7%89%B9%E5%AE%9A%E7%89%A9%E4%BD%93%E8%AA%8D%E8%AD%98\"><\/span>\u25a0\u7279\u5b9a\u7269\u4f53\u8a8d\u8b58<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u300c\u7279\u5b9a\u7269\u4f53\u8a8d\u8b58\u300d\u3068\u306f\u3001\u8a08\u7b97\u6a5f\u79d1\u5b66\u5206\u91ce\u306b\u304a\u3044\u3066\u3001\u300c\u753b\u50cf\u306b\u5199\u3063\u3066\u3044\u308b\u7269\u4f53\u3068\u307e\u3063\u305f\u304f\u540c\u4e00\u306e\u7269\u4f53\u304c\u5199\u3063\u3066\u3044\u308b\u753b\u50cf\u3092\u81a8\u5927\u306a\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u304b\u3089\u767a\u898b\u3059\u308b\u51e6\u7406\u300d\u3092\u610f\u5473\u3057\u307e\u3059\u3002<\/p>\n<p>\u300c\u7269\u4f53\u7279\u6709\u306e\u7279\u5fb4\u304c\u73fe\u308c\u3066\u3044\u308b\u300d\u304b\u3064\u300c\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u304c\u6574\u5099\u3055\u308c\u3066\u3044\u308b\u300d\u306a\u3069\u306e\u6761\u4ef6\u304c\u6574\u3048\u3070\u3001\u6bd4\u8f03\u7684\u5bb9\u6613\u306b\u7279\u5b9a\u7269\u4f53\u8a8d\u8b58\u3092\u884c\u3048\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u6280\u8853\u306f\u3001\u64ae\u5f71\u3057\u305f\u5546\u54c1\u306b\u3064\u3044\u3066\u300cYahoo!\u30b7\u30e7\u30c3\u30d4\u30f3\u30b0\u300d\u5185\u304b\u3089\u6700\u5b89\u5024\u3067\u8ca9\u58f2\u3057\u3066\u3044\u308b\u5e97\u8217\u3092\u691c\u7d22\u3067\u304d\u308b\u5b9f\u9a13\u30a2\u30d7\u30ea\u300c\u30b5\u30a4\u30e4\u30b9\u30ab\u30e1\u30e9\u300d\u3068\u3057\u3066\u5b9f\u88c5\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p><a href='https:\/\/techblog.yahoo.co.jp\/advent-calendar-2017\/saiyasu_camera\/' target='jumpsite' rel=\"noopener\">\u2192Yahoo! JAPAN Tech Blog\u3000\u2192\u5927\u898f\u6a21\u7279\u5b9a\u7269\u4f53\u8a8d\u8b58\u306e\u30b7\u30e7\u30c3\u30d4\u30f3\u30b0\u30b5\u30fc\u30d3\u30b9\u3078\u306e\u9069\u7528\u3000\u301c\u30b5\u30a4\u30e4\u30b9\u30ab\u30e1\u30e9\u306e\u7d39\u4ecb\u301c<\/a><\/p>\n<h3 class=\"h3Custom\"><span class=\"ez-toc-section\" id=\"%E2%96%A0%E9%A1%9E%E4%BC%BC%E5%95%86%E5%93%81%E6%A4%9C%E7%B4%A2\"><\/span>\u25a0\u985e\u4f3c\u5546\u54c1\u691c\u7d22<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u300c\u985e\u4f3c\u5546\u54c1\u691c\u7d22\u300d\u3068\u306f\u3001\u300c\u7279\u5b9a\u7269\u4f53\u8a8d\u8b58\u300d\u3068\u540c\u69d8\u306a\u6280\u8853\u3067\u3001\u300c\u898b\u305f\u76ee\u306e\u7279\u5fb4\u304b\u3089\u4f3c\u3066\u3044\u308b\u5546\u54c1\u3092\u77ac\u6642\u306b\u691c\u7d22\u3059\u308b\u300d\u6280\u8853\u3067\u3059\u3002<\/p>\n<p>\u3053\u308c\u3089\u306e\u6280\u8853\u306f\u3001\u4eba\u3084\u7269\u3084\u5546\u54c1\u306e\u753b\u50cf\u3092\u30d9\u30af\u30c8\u30eb\u30c7\u30fc\u30bf\u3067\u8868\u73fe\u3059\u308b\u6280\u8853\u3092\u30d9\u30fc\u30b9\u3068\u3057\u3066\u3044\u307e\u3059\u3002\u5bfe\u8c61\u5546\u54c1\u306b\u3064\u3044\u3066\u300c\u8272\u300d\u300c\u6a21\u69d8\u300d\u300c\u5f62\u72b6\u300d\u300c\u7a2e\u5225\u300d\u300c\u4fa1\u683c\u300d\u300c\u30e1\u30fc\u30ab\u30fc\u300d\u306a\u3069\u306b\u30ab\u30c6\u30b4\u30ea\u30fc\u5316\u3057\u3001\u305d\u308c\u305e\u308c\u306b\u533a\u5225\u3055\u308c\u305f\u756a\u53f7\u3092\u4ed8\u4e0e\u3059\u308b\u3053\u3068\u3067\u3001\u5bfe\u8c61\u306e\u5546\u54c1\u3092\u3059\u3079\u3066\u6570\u5b57\u306b\u7f6e\u304d\u63db\u3048\u3066\u30d9\u30af\u30c8\u30eb\u30c7\u30fc\u30bf\u5316\u3059\u308b\u6280\u8853\u3067\u3059\u3002<\/p>\n<p>\u5546\u54c1A\u306b\u985e\u4f3c\u3059\u308b\u5546\u54c1\u3092\u63a2\u3057\u305f\u3044\u5834\u5408\u3001\u5546\u54c1A\u306e\u30d9\u30af\u30c8\u30eb\u30c7\u30fc\u30bf\u306b\u985e\u4f3c\u3059\u308b\u30c7\u30fc\u30bf\u3092\u30d9\u30af\u30c8\u30eb\u7a7a\u9593\u4e0a\u3067\u691c\u7d22\u3059\u308b\u3053\u3068\u3067\u985e\u4f3c\u5546\u54c1\u3092\u691c\u7d22\u3067\u304d\u307e\u3059\u3002<\/p>\n<h3 class=\"h3Custom\"><span class=\"ez-toc-section\" id=\"%E2%96%A0%E5%BA%83%E5%91%8A%E9%85%8D%E4%BF%A1%E7%B2%BE%E5%BA%A6%E5%90%91%E4%B8%8A\"><\/span>\u25a0\u5e83\u544a\u914d\u4fe1\u7cbe\u5ea6\u5411\u4e0a<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>NGT\u306f\u5e83\u544a\u914d\u4fe1\u7cbe\u5ea6\u306e\u5411\u4e0a\u306b\u3082\u6d3b\u7528\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u591a\u304f\u306e\u30e6\u30fc\u30b6\u30fc\u306e\u767b\u9332\u30c7\u30fc\u30bf\u3084\u884c\u52d5\u30c7\u30fc\u30bf\u304b\u3089\u3001\u30e6\u30fc\u30b6\u30fc\u9593\u306e\u985e\u4f3c\u5ea6\u5206\u6790\u3092\u884c\u3046\u3053\u3068\u3067\u3001\u5bfe\u8c61\u30e6\u30fc\u30b6\u30fc\u306b\u5bfe\u3057\u3066\u9069\u5207\u306a\u30b3\u30f3\u30c6\u30f3\u30c4\u3092\u30ec\u30b3\u30e1\u30f3\u30c9\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u300c\u30b3\u30f3\u30c6\u30f3\u30c4\u306e\u30d1\u30fc\u30bd\u30ca\u30e9\u30a4\u30ba\u914d\u4fe1\u300d\u300c\u904b\u7528\u578b\u30c7\u30a3\u30b9\u30d7\u30ec\u30a4\u5e83\u544a\u914d\u4fe1\u300d\u306a\u3069\u3078\u306e\u3055\u3089\u306a\u308b\u7cbe\u5ea6\u5411\u4e0a\u3078\u306e\u5fdc\u7528\u304c\u671f\u5f85\u3067\u304d\u307e\u3059\u3002<\/p>\n<h3 class=\"h3Custom\"><span class=\"ez-toc-section\" id=\"%E2%96%A0%E7%A4%BE%E4%BC%9A%E5%AE%89%E5%85%A8%E6%8A%80%E8%A1%93%E9%A0%98%E5%9F%9F\"><\/span>\u25a0\u793e\u4f1a\u5b89\u5168\u6280\u8853\u9818\u57df<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>NGT\u306f\u3001\u300c\u907a\u4f1d\u5b50\u691c\u7d22\u306e\u9ad8\u901f\u5316\u306b\u3088\u308b\u5275\u85ac\u958b\u767a\u652f\u63f4\u300d\u3084\u300c\u9ad8\u5ea6\u306a\u9854\u8a8d\u8b58\u6280\u8853\u306b\u3088\u308b\u72af\u7f6a\u6291\u6b62\u300d\u306a\u3069\u793e\u4f1a\u5b89\u5168\u6280\u8853\u9818\u57df\u3078\u306e\u6d3b\u7528\u3082\u671f\u5f85\u3067\u304d\u307e\u3059\u3002<\/p>\n<h1 class=\"h1Custom\"><span class=\"ez-toc-section\" id=\"%E3%80%8CNGT%E3%80%8D%E3%81%AE%E4%B8%BB%E3%81%AA%E7%89%B9%E5%BE%B4\"><\/span>\u300cNGT\u300d\u306e\u4e3b\u306a\u7279\u5fb4<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<h2 class=\"h2Custom\"><span class=\"ez-toc-section\" id=\"%E3%80%8CNGT%E3%80%8D%E3%81%AE%E4%B8%BB%E3%81%AA%E7%89%B9%E5%BE%B4-2\"><\/span>\u300cNGT\u300d\u306e\u4e3b\u306a\u7279\u5fb4<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3 class=\"h3Custom\"><span class=\"ez-toc-section\" id=\"%E2%96%A0%E8%BF%91%E4%BC%BCk%E6%9C%80%E8%BF%91%E5%82%8D%E6%8E%A2%E7%B4%A2k-Nearest_Neighbor_Search\"><\/span>\u25a0\u8fd1\u4f3ck\u6700\u8fd1\u508d\u63a2\u7d22(k-Nearest Neighbor Search)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>NGT\u306f\u300c\u8fd1\u4f3ck\u6700\u8fd1\u508d\u63a2\u7d22(k-Nearest Neighbor Search)\u300d\u3059\u308b\u305f\u3081\u306e\u30bd\u30d5\u30c8\u30a6\u30a8\u30a2\u3067\u3059\u3002<\/p>\n<p>\u4efb\u610f\u306e\u5bc6\u30d9\u30af\u30c8\u30eb\u306b\u5bfe\u3057\u3066\u4e8b\u524d\u306b\u767b\u9332\u3057\u305f\u540c\u6b21\u5143\u306e\u30d9\u30af\u30c8\u30eb\u304b\u3089\u6700\u3082\u8ddd\u96e2\u304c\u8fd1\u3044\u30d9\u30af\u30c8\u30eb\u306e\u4e0a\u4f4d\u6570\u4ef6(k\u4ef6)\u3092\u9ad8\u901f\u691c\u7d22\u3057\u307e\u3059\u3002<\/p>\n<p>\u300c\u30b0\u30e9\u30d5\u300d\u3068\u300c\u30c4\u30ea\u30fc\u300d\u3092\u7d44\u307f\u5408\u308f\u305b\u305f\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3092\u7528\u3044\u308b\u8fd1\u508d\u691c\u7d22\u624b\u6cd5\u3067\u3001\u4ee3\u8868\u7684\u306a\u30c4\u30ea\u30fc\u578b\u3084\u30cf\u30c3\u30b7\u30e5\u578b\u306e\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3088\u308a\u3082\u9ad8\u901f\u691c\u7d22\u3092\u5b9f\u73fe\u3067\u304d\u308b\u3053\u3068\u3092\u5b9f\u9a13\u3067\u78ba\u8a8d\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<h3 class=\"h3Custom\"><span class=\"ez-toc-section\" id=\"%E2%96%A0%E3%82%B5%E3%83%9D%E3%83%BC%E3%83%88%E8%A8%80%E8%AA%9E\"><\/span>\u25a0\u30b5\u30dd\u30fc\u30c8\u8a00\u8a9e<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>NGT\u306f\u4ee5\u4e0b\u306e\u8a00\u8a9e\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u3044\u307e\u3059\u3002<br \/>\u30fbPython<br \/>\u30fbGo<br \/>\u30fbC<br \/>\u30fbC++<\/p>\n<h3 class=\"h3Custom\"><span class=\"ez-toc-section\" id=\"%E2%96%A0Python%E9%80%A3%E6%90%BA\"><\/span>\u25a0Python\u9023\u643a<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>NGT\u3067\u306f\u3001Python\u7528\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002Python\u7528\u6a5f\u68b0\u5b66\u7fd2\u30e9\u30a4\u30d6\u30e9\u30ea\u3068NGT\u3092\u7d44\u307f\u5408\u308f\u305b\u3066\u5229\u7528\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u300cPython\u3067\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u4f5c\u6210\u307e\u3067\u884c\u3044\u3001NGT\u3067\u5bc6\u30d9\u30af\u30c8\u30eb\u691c\u7d22\u3092\u884c\u3046\u300d\u300c\u6a5f\u68b0\u5b66\u7fd2\u306e\u5b66\u7fd2\u6642\u30d0\u30ea\u30c7\u30fc\u30b7\u30e7\u30f3\u300d\u300cRNN\u3067\u4f5c\u6210\u3055\u308c\u305f\u4e2d\u9593\u8868\u73fe\u306e\u5206\u6790\u300d\u306a\u3069\u306e\u3088\u3046\u306b\u9023\u643a\u3057\u3066\u6d3b\u7528\u3067\u304d\u307e\u3059\u3002<\/p>\n<p><a href='https:\/\/techblog.yahoo.co.jp\/data_solution\/ngtpython\/' target='jumpsite' rel=\"noopener\">\u2192Yahoo! JAPAN Tech Blog\u3000\u2192\u9ad8\u6b21\u5143\u30d9\u30af\u30c8\u30eb\u30c7\u30fc\u30bf\u691c\u7d22\u6280\u8853\u300cNGT\u300d\u306epython\u30e9\u30a4\u30d6\u30e9\u30ea\u516c\u958b\u306e\u304a\u77e5\u3089\u305b<\/a><\/p>\n<h1 class=\"h1Custom\"><span class=\"ez-toc-section\" id=\"%E3%80%8CNGT%E3%80%8D%E3%81%AE%E9%AB%98%E9%80%9F%E3%82%A4%E3%83%B3%E3%83%87%E3%83%83%E3%82%AF%E3%82%B9%E6%8A%80%E8%A1%93\"><\/span>\u300cNGT\u300d\u306e\u9ad8\u901f\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u6280\u8853<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<h2 class=\"h2Custom\"><span class=\"ez-toc-section\" id=\"%E3%80%8CNGT%E3%80%8D%E3%81%AE%E9%AB%98%E9%80%9F%E3%82%A4%E3%83%B3%E3%83%87%E3%83%83%E3%82%AF%E3%82%B9%E6%8A%80%E8%A1%93-2\"><\/span>\u300cNGT\u300d\u306e\u9ad8\u901f\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u6280\u8853<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3 class=\"h3Custom\"><span class=\"ez-toc-section\" id=\"%E2%96%A0%E3%83%87%E3%83%BC%E3%82%BF%E7%B2%BE%E5%BA%A6%E3%81%AB%E9%96%A2%E3%82%8F%E3%82%8B%E5%87%A6%E7%90%86%E9%80%9F%E5%BA%A6\"><\/span>\u25a0\u30c7\u30fc\u30bf\u7cbe\u5ea6\u306b\u95a2\u308f\u308b\u51e6\u7406\u901f\u5ea6<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u81a8\u5927\u306a\u30c7\u30fc\u30bf\u91cf\u3092\u5206\u6790\u3059\u308b\u5834\u5408\u3001\u8a08\u7b97\u6642\u9593\u3084\u30b5\u30fc\u30d0\u306e\u8ca0\u8377\u306a\u3069\u304c\u30dc\u30c8\u30eb\u30cd\u30c3\u30af\u3068\u306a\u308a\u3001\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u6027\u3092\u59a5\u5354\u3057\u305f\u308a\u3001\u7cbe\u5ea6\u3092\u59a5\u5354\u3057\u305f\u308a\u3059\u308b\u30b1\u30fc\u30b9\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u7279\u306b\u9ad8\u6b21\u5143\u30c7\u30fc\u30bf\u3067\u3042\u308b\u307b\u3069\u51e6\u7406\u6642\u9593\u3092\u8981\u3059\u308b\u305f\u3081\u3001\u9ad8\u6b21\u5143\u30c7\u30fc\u30bf\u306b\u5bfe\u3057\u3066\u9ad8\u901f\u51e6\u7406\u3067\u304d\u308b\u6280\u8853\u304c\u671b\u307e\u308c\u3066\u3044\u307e\u3057\u305f\u3002<\/p>\n<h3 class=\"h3Custom\"><span class=\"ez-toc-section\" id=\"%E2%96%A0%E7%8B%AC%E8%87%AA%E3%82%A4%E3%83%B3%E3%83%87%E3%83%83%E3%82%AF%E3%82%B9%E6%89%8B%E6%B3%95\"><\/span>\u25a0\u72ec\u81ea\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u624b\u6cd5<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>NGT\u3067\u306f\u3001\u6b21\u5143\u6570\u304c\u591a\u304f\u306a\u3063\u3066\u3082\u9ad8\u901f\u306b\u691c\u7d22\u3067\u304d\u308b\u72ec\u81ea\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u624b\u6cd5\u3092\u642d\u8f09\u3059\u308b\u3053\u3068\u306b\u3088\u308a\u3001\u9ad8\u901f\u691c\u7d22\u3092\u5b9f\u73fe\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<h5>\u300c\u30c4\u30ea\u30fc\u69cb\u9020\u578b\u300d\u3068\u300c\u30b0\u30e9\u30d5\u69cb\u9020\u578b\u300d<\/h5>\n<p>\u4e00\u822c\u7684\u306b\u3001\u3059\u3079\u3066\u306e\u30d9\u30af\u30c8\u30eb\u30c7\u30fc\u30bf\u3068\u306e\u8ddd\u96e2\u3092\u8a08\u7b97\u3059\u308b\u3068\u9045\u304f\u306a\u308b\u305f\u3081\u3001\u4e8b\u524d\u306b\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3092\u751f\u6210\u3057\u9ad8\u901f\u5316\u3092\u56f3\u308a\u307e\u3059\u3002<\/p>\n<p>\u4ee3\u8868\u7684\u306a\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u69cb\u9020\u3068\u3057\u3066\u300c\u30c4\u30ea\u30fc\u69cb\u9020\u578b\u300d\u3068\u300c\u30b0\u30e9\u30d5\u69cb\u9020\u578b\u300d\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<h5>\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u69cb\u9020\u306e\u30e1\u30ea\u30c3\u30c8\/\u30c7\u30e1\u30ea\u30c3\u30c8<\/h5>\n<p>[\u30c4\u30ea\u30fc\u69cb\u9020\u578b]<br \/>\u30fb\u30e1\u30ea\u30c3\u30c8\uff1d\u6b21\u5143\u6570\u304c\u5c11\u306a\u3051\u308c\u3070\u9ad8\u901f\u691c\u7d22\u3067\u304d\u308b<br \/>\u30fb\u30c7\u30e1\u30ea\u30c3\u30c8\uff1d\u6b21\u5143\u6570\u304c\u6570\u5341\u6b21\u5143\u4ee5\u4e0a\u306b\u5897\u3048\u308b\u3068\u691c\u7d22\u52b9\u7387\u304c\u6975\u7aef\u306b\u4e0b\u304c\u308b(\u6b21\u5143\u306e\u546a\u3044)<\/p>\n<p>[\u30b0\u30e9\u30d5\u69cb\u9020\u578b]<br \/>\u30fb\u30e1\u30ea\u30c3\u30c8\uff1d\u9ad8\u7cbe\u5ea6\u3067\u691c\u7d22\u901f\u5ea6\u3082\u901f\u3044<br \/>\u30fb\u30c7\u30e1\u30ea\u30c3\u30c8\uff1d\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u751f\u6210\u6642\u9593\u304c\u30c4\u30ea\u30fc\u69cb\u9020\u578b\u3088\u308a\u3082\u9577\u3044<\/p>\n<h5>NGT\u306e\u72ec\u81ea\u7d44\u307f\u5408\u308f\u305b\u30a4\u30f3\u30c7\u30c3\u30af\u30b9<\/h5>\n<p>NGT\u3067\u306f\u300c\u30c4\u30ea\u30fc\u69cb\u9020\u578b\u300d\u3068\u300c\u30b0\u30e9\u30d5\u69cb\u9020\u578b\u300d\u3092\u7d44\u307f\u5408\u308f\u305b\u305f\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3092\u7528\u3044\u3066\u3044\u307e\u3059\u3002\u30b0\u30e9\u30d5\u578b\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u306b\u30c7\u30fc\u30bf\u3092\u9010\u6b21\u767b\u9332\u3057\u3001\u4f5c\u6210\u4e2d\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u81ea\u4f53\u3092\u9ad8\u901f\u5316\u306b\u7528\u3044\u308b\u3053\u3068\u3067\u751f\u6210\u6642\u9593\u3092\u77ed\u7e2e\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u691c\u7d22\u6bb5\u968e\u3067\u306f\u3001\u4e00\u90e8\u3001\u30c4\u30ea\u30fc\u578b\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3092\u5c0e\u5165\u3059\u308b\u3053\u3068\u3067\u3001\u9ad8\u901f\u306a\u8fd1\u508d\u691c\u7d22\u3092\u53ef\u80fd\u306b\u3057\u3066\u3044\u307e\u3059\u3002\u30c4\u30ea\u30fc\u306e\u4e0a\u304b\u3089\u4e0b\u3078\u305f\u3069\u308b\u3053\u3068\u3067\u30af\u30a8\u30ea\u306e\u8fd1\u508d\u5019\u88dc\u3068\u306a\u308b\u30c7\u30fc\u30bf\u3092\u53d6\u5f97\u3057\u305f\u5f8c\u306b\u3001\u9006\u306b\u30b0\u30e9\u30d5\u3092\u305f\u3069\u308b\u3053\u3068\u3067\u7db2\u7f85\u7684\u306b\u30c7\u30fc\u30bf\u3092\u63a2\u7d22\u3057\u307e\u3059\u3002<\/p>\n<h3 class=\"h3Custom\"><span class=\"ez-toc-section\" id=\"%E2%96%A0%E9%AB%98%E9%80%9F%E6%80%A7\"><\/span>\u25a0\u9ad8\u901f\u6027<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>NGT\u306f\u3001\u540c\u69d8\u6280\u8853\u3068\u6bd4\u8f03\u3057\u3066\u3001\u8a00\u8a9e\u30c7\u30fc\u30bf\u3084\u753b\u50cf\u7279\u5fb4\u30c7\u30fc\u30bf\u3092\u7d0412\u500d\u4ee5\u4e0a\u9ad8\u901f\u306b\u691c\u7d22\u3067\u304d\u308b\u6027\u80fd\u3092\u5b9f\u73fe\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<h5>\u8a00\u8a9e\u30c7\u30fc\u30bf\u306e\u5834\u5408<\/h5>\n<p>200\u4e07\u4ef6\/\u691c\u7d22\u7cbe\u5ea6(\u9069\u5408\u7387)90%\u306e\u30b1\u30fc\u30b9\u3067\u306e\u691c\u7d22\u3067\u306f\u3001NGT\u306f\u3001\u65e2\u5b58\u985e\u4f3c\u9ad8\u901f\u691c\u7d22\u6280\u8853\u300cSASH\u300d\u306b\u5bfe\u3057\u3066\u7d044\u500d\u9ad8\u901f\u3001\u300cFLANN\u300d\u306b\u5bfe\u3057\u3066\u7d0412\u500d\u9ad8\u901f\u3068\u3044\u3046\u7d50\u679c\u304c\u51fa\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>2016\u5e748\u6708\u306b\u958b\u50ac\u3055\u308c\u305f\u81ea\u7136\u8a00\u8a9e\u51e6\u7406\u5206\u91ce\u306e\u56fd\u969b\u4f1a\u8b70\u300cACL 2016(54th Annual Meeting of the Association for Computational Linguistics)\u300d\u3067\u8ad6\u6587\u3068\u3057\u3066\u63a1\u629e\u3055\u308c\u3001\u305d\u306e\u6709\u7528\u6027\u304c\u9ad8\u304f\u8a55\u4fa1\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<h5>\u753b\u50cf\u30c7\u30fc\u30bf\u306e\u5834\u5408<\/h5>\n<p>1000\u4e07\u4ef6\/\u691c\u7d22\u7cbe\u5ea6(\u9069\u5408\u7387)90%\u306e\u30b1\u30fc\u30b9\u3067\u306f\u3001\u300cNGT\u300d\u306f\u3001\u300cFLANN\u300d\u306b\u5bfe\u3057\u3066\u7d0413\u500d\u9ad8\u901f\u3068\u3044\u3046\u7d50\u679c\u304c\u51fa\u3066\u3044\u307e\u3059\u3002<\/p>\n<h3 class=\"h3Custom\"><span class=\"ez-toc-section\" id=\"%E2%96%A0%E3%82%A4%E3%83%B3%E3%83%87%E3%83%83%E3%82%AF%E3%82%B9%E3%81%AE%E5%85%B1%E6%9C%89%E3%83%A1%E3%83%A2%E3%83%AA%E9%85%8D%E7%BD%AE\"><\/span>\u25a0\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u306e\u5171\u6709\u30e1\u30e2\u30ea\u914d\u7f6e<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>NGT\u306f\u3001\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3092\u5171\u6709\u30e1\u30e2\u30ea\u4e0a\u306b\u3082\u914d\u7f6e\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u5171\u6709\u30e1\u30e2\u30ea\u3092\u4f7f\u7528\u3059\u308b\u3068\u3001\u8907\u6570\u306e\u30d7\u30ed\u30bb\u30b9\u304c\u540c\u4e00\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u5834\u5408\u306b\u3001\u5fc5\u8981\u306a\u30e1\u30e2\u30ea\u91cf\u3092\u524a\u6e1b\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u307e\u305f\u3001\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u306e\u30ed\u30fc\u30c9\u6642\u9593\u3092\u77ed\u7e2e\u3059\u308b\u52b9\u679c\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u3000<\/p>\n<p>\u53c2\u8003\u5143\u30b5\u30a4\u30c8<\/p>\n<ul>\n<li><a href='https:\/\/research-lab.yahoo.co.jp\/software\/ngt\/index.html' target='jumpsite' rel=\"noopener\">NGT<\/a><\/li>\n<li><a href='https:\/\/techblog.yahoo.co.jp\/lab\/searchlab\/ngt-1.0.0\/' target='jumpsite' rel=\"noopener\">Yahoo! JAPAN Tech Blog\u3000\u2192\u9ad8\u6b21\u5143\u30d9\u30af\u30c8\u30eb\u30c7\u30fc\u30bf\u306b\u304a\u3044\u3066\u9ad8\u901f\u306a\u8fd1\u508d\u691c\u7d22\u3092\u5b9f\u73fe\u3059\u308bNGT\u306e\u516c\u958b<\/a><\/li>\n<li><a href='https:\/\/techblog.yahoo.co.jp\/data_solution\/ngt_acl_2016\/' target='jumpsite' rel=\"noopener\">Yahoo! JAPAN Tech Blog\u3000\u2192\u9ad8\u6b21\u5143\u30d9\u30af\u30c8\u30eb\u30c7\u30fc\u30bf\u691c\u7d22\u6280\u8853\u300cNGT\u300d\u306e\u6027\u80fd\u3068\u4f7f\u3044\u65b9\u306e\u7d39\u4ecb<\/a><\/li>\n<li><a href='https:\/\/techblog.yahoo.co.jp\/data_solution\/ngtpython\/' target='jumpsite' rel=\"noopener\">Yahoo! JAPAN Tech Blog\u3000\u2192\u9ad8\u6b21\u5143\u30d9\u30af\u30c8\u30eb\u30c7\u30fc\u30bf\u691c\u7d22\u6280\u8853\u300cNGT\u300d\u306epython\u30e9\u30a4\u30d6\u30e9\u30ea\u516c\u958b\u306e\u304a\u77e5\u3089\u305b<\/a><\/li>\n<li><a href='https:\/\/techblog.yahoo.co.jp\/data_solution\/ngtd\/' target='jumpsite' rel=\"noopener\">Yahoo! JAPAN Tech Blog\u3000\u2192\u9ad8\u6b21\u5143\u30d9\u30af\u30c8\u30eb\u30c7\u30fc\u30bf\u691c\u7d22\u6280\u8853\u300cNGT\u300d\u306eGo API\u3068\u30b5\u30fc\u30d0\u6a5f\u80fd\u306eOSS\u516c\u958b<\/a><\/li>\n<li><a href='https:\/\/linotice.tumblr.com\/post\/156964520459\/20170208' target='jumpsite' rel=\"noopener\">Yahoo! JAPAN\u3000\u2192linotice\u3000\u2192\u8857\u3067\u898b\u304b\u3051\u305f\u670d\u306e\u985e\u4f3c\u5546\u54c1\u3092\u6570\u30df\u30ea\u79d2\u3067\u691c\u7d22\u3002Yahoo! JAPAN\u7814\u7a76\u6240\u300c\u9ad8\u6b21\u5143\u30d9\u30af\u30c8\u30eb\u8fd1\u508d\u691c\u7d22\uff08NGT\uff09\u300d\u306e\u5a01\u529b\u3068\u306f\u2500\u2500<\/a><\/li>\n<li><a href='https:\/\/www.atmarkit.co.jp\/ait\/articles\/1611\/25\/news049.html' target='jumpsite' rel=\"noopener\">\uff20IT\u3000\u2192\u30e4\u30d5\u30fc\u3001\u30d3\u30c3\u30b0\u30c7\u30fc\u30bf\u5206\u6790\u3092\u8d85\u9ad8\u901f\u5316\u3059\u308b\u300c\u9ad8\u6b21\u5143\u30c7\u30fc\u30bf\u306e\u9ad8\u901f\u691c\u7d22\u6280\u8853\u300d\u3092OSS\u5316\u3000GitHub\u3067\u516c\u958b<\/a><\/li>\n<li><a href='https:\/\/cloud.watch.impress.co.jp\/docs\/news\/1031517.html' target='jumpsite' rel=\"noopener\">\u30af\u30e9\u30a6\u30c9 Watch\u3000\u2192\u30e4\u30d5\u30fc\u3001\u30d3\u30c3\u30b0\u30c7\u30fc\u30bf\u5206\u6790\u306e\u9ad8\u901f\u5316\u3092\u5b9f\u73fe\u3059\u308b\u9ad8\u6b21\u5143\u30c7\u30fc\u30bf\u691c\u7d22\u6280\u8853\u300cNGT\u300d\u3092OSS\u3068\u3057\u3066\u516c\u958b<\/a><\/li>\n<li><a href='https:\/\/qiita.com\/okappy\/items\/089ca28f1182479020b2' target='jumpsite' rel=\"noopener\">Qiita\u3000\u2192\u30e4\u30d5\u30fc\u304c\u516c\u958b\u3057\u305f\u9ad8\u6b21\u5143\u30d9\u30af\u30c8\u30eb\u30c7\u30fc\u30bf\u306b\u304a\u3044\u3066\u9ad8\u901f\u306a\u8fd1\u508d\u691c\u7d22\u3092\u5b9f\u73fe\u3059\u308bNGT\u304c\u3059\u3054\u3044\uff01\uff01<\/a><\/li>\n<\/ul>\n<p class='text80'>\u203b\u5b9a\u671f\u7684\u306b\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u3092\u5b9f\u65bd\u3057\u3066\u304a\u308a\u307e\u3059\u304c\u3001\u4e00\u90e8\u60c5\u5831\u304c\u53e4\u3044\u5834\u5408\u304c\u3054\u3056\u3044\u307e\u3059\u3002\u3054\u4e86\u627f\u304f\u3060\u3055\u3044\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>NGT(Neighborhood Graph and Tree for Indexing)\u3068\u306f\u3001\u9ad8\u6b21\u5143\u30d9\u30af\u30c8\u30eb\u30c7\u30fc\u30bf\u9ad8\u901f\u691c\u7d22\u6280\u8853\u3067\u3059\u3002\u30d3\u30c3\u30b0\u30c7\u30fc\u30bf\u5206\u6790\/\u30c7\u30a3\u30fc\u30d7\u30e9\u30fc\u30cb\u30f3\u30b0\u9818\u57df\u306b\u6d3b\u7528\u3067\u304d\u308b\u6280\u8853\u3068\u3057\u3066\u6ce8\u76ee\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n","protected":false},"author":4,"featured_media":3972,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[243],"tags":[576],"class_list":["post-4909","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-oss","tag-ngt"],"acf":[],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/majisemi.com\/topics\/wp-json\/wp\/v2\/posts\/4909","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/majisemi.com\/topics\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/majisemi.com\/topics\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/majisemi.com\/topics\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/majisemi.com\/topics\/wp-json\/wp\/v2\/comments?post=4909"}],"version-history":[{"count":0,"href":"https:\/\/majisemi.com\/topics\/wp-json\/wp\/v2\/posts\/4909\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/majisemi.com\/topics\/wp-json\/wp\/v2\/media\/3972"}],"wp:attachment":[{"href":"https:\/\/majisemi.com\/topics\/wp-json\/wp\/v2\/media?parent=4909"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/majisemi.com\/topics\/wp-json\/wp\/v2\/categories?post=4909"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/majisemi.com\/topics\/wp-json\/wp\/v2\/tags?post=4909"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}