{"id":22557,"date":"2018-09-12T17:13:02","date_gmt":"2018-09-12T08:13:02","guid":{"rendered":"https:\/\/www.creationline.com\/?p=22557"},"modified":"2018-09-12T17:13:02","modified_gmt":"2018-09-12T08:13:02","slug":"apache-mahout%e3%81%a7%e3%83%ac%e3%82%b3%e3%83%a1%e3%83%b3%e3%83%89%e3%82%a8%e3%83%b3%e3%82%b8%e3%83%b3correlated-cross-occurrence%e3%82%a2%e3%83%ab%e3%82%b4%e3%83%aa%e3%82%ba%e3%83%a0%e3%82%92","status":"publish","type":"post","link":"https:\/\/www.creationline.com\/tech-blog\/data-management\/dataanalytics\/22557","title":{"rendered":"Apache Mahout\u3067\u30ec\u30b3\u30e1\u30f3\u30c9\u30a8\u30f3\u30b8\u30f3(Correlated Cross-Occurrence\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0)\u3092\u8a66\u4f5c"},"content":{"rendered":"

\u3053\u3093\u3044\u3061\u306f\u3001\u30af\u30ea\u30a8\u30fc\u30b7\u30e7\u30f3\u30e9\u30a4\u30f3\u306e\u6731\u3067\u3059\u3002
\n\u4e45\u3057\u3076\u308a\u306b\u8a18\u4e8b\u3092\u66f8\u304d\u307e\u3059\u304c\u3001\u4eca\u56de\u306f\u30ec\u30b3\u30e1\u30f3\u30c9\u30a8\u30f3\u30b8\u30f3\u3092\u8a66\u3057\u3066\u307f\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n

\u30ec\u30b3\u30e1\u30f3\u30c7\u30fc\u30b7\u30e7\u30f3\u3068\u306f\u3001\u76f8\u624b\u306b\u4fa1\u5024\u304c\u3042\u308b\u3068\u601d\u308f\u308c\u308b\u30b3\u30f3\u30c6\u30f3\u30c4\u3092\u63d0\u793a\u3059\u308b\u3053\u3068\u3067\u3059\u3002
\n\u4f8b\u3048\u3070\u30d5\u30a1\u30df\u30ea\u30fc\u30de\u30fc\u30c8\u3067\u4f1a\u8a08\u6642\u306b\u5e97\u54e1\u3055\u3093\u306f\u300c\u3054\u4e00\u7dd2\u306b\u30d5\u30a1\u30df\u30c1\u30ad\u3082\u3044\u304b\u304c\u3067\u3057\u3087\u3046\u304b\u300d\u3068\u5546\u54c1\u3092\u52e7\u3081\u3066\u304f\u308c\u307e\u3059\u3002\u3053\u308c\u306f\u5e97\u54e1\u3055\u3093\u304c\u5e97\u53ca\u3073\u500b\u4eba\u306e\u4e3b\u89b3\u300c\u3053\u306e\u304a\u5ba2\u69d8\u306f\u30d5\u30a1\u30df\u30c1\u30ad\u304c\u597d\u304d\u305d\u3046\u300d\u3001\u300c\u30d5\u30a1\u30df\u30c1\u30ad\u306e\u58f2\u4e0a\u3092\u4e0a\u3052\u305f\u3044\u300d\u7b49\u306b\u57fa\u3065\u3044\u305f\u30ec\u30b3\u30e1\u30f3\u30c7\u30fc\u30b7\u30e7\u30f3\u3067\u3059\u3002
\n\u4eba\u9593\u306e\u4e3b\u89b3\u3067\u306f\u306a\u304f\u3001\u30c7\u30fc\u30bf\u304b\u3089\u5ba2\u89b3\u7684\u306a\u30ec\u30b3\u30e1\u30f3\u30c7\u30fc\u30b7\u30e7\u30f3\u3092\u3057\u305f\u3044\u3068\u3044\u3046\u8981\u671b\u304c\u591a\u304f\u5b58\u5728\u3057\u307e\u3059\u3002\u3053\u306e\u76ee\u7684\u3092\u53f6\u3048\u308b\u4e00\u3064\u306e\u624b\u6cd5\u3068\u3057\u3066\u30ec\u30b3\u30e1\u30f3\u30c9\u30a8\u30f3\u30b8\u30f3\u304c\u4f7f\u3048\u307e\u3059\u3002<\/p>\n

\u30ec\u30b3\u30e1\u30f3\u30c9\u30a8\u30f3\u30b8\u30f3\u306b\u306f\u69d8\u3005\u306a\u624b\u6cd5\u304c\u5b58\u5728\u3057\u307e\u3059\u304c\u3001\u4e00\u822c\u7684\u306b\u5354\u8abf\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0(Collaborative Filtering)\u304c\u5e83\u304f\u4f7f\u308f\u308c\u3066\u3044\u3066\u3001\u3044\u308f\u3086\u308b\u30b3\u30f3\u30c6\u30f3\u30c4\u30d9\u30fc\u30b9\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u306e\u63a1\u7528\u5b9f\u7e3e\u304c\u4e00\u756a\u591a\u3044\u3067\u3059\u3002\u4eca\u56de\u306f\u540c\u3058\u5354\u8abf\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u3067\u306f\u3042\u308a\u307e\u3059\u304c\u3001\u30b3\u30f3\u30c6\u30f3\u30c4\u30d9\u30fc\u30b9\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u306e\u5f31\u70b9\u3092\u514b\u670d\u3057\u305f\u30a2\u30a4\u30c6\u30e0\u30d9\u30fc\u30b9\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u3092\u7d39\u4ecb\u3057\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n

\u30a2\u30a4\u30c6\u30e0\u30d9\u30fc\u30b9\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\uff1aCorrelated Cross-Occurrence\u3068\u306f<\/h1>\n

\u30b3\u30f3\u30c6\u30f3\u30c4\u30d9\u30fc\u30b9\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u3001\u4f8b\u3048\u3070ALS(Alternating Least Squares)\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u306f\u30e6\u30fc\u30b6\u306e\u5358\u4e00\u884c\u52d5\u306b\u5bfe\u3057\u3066\u306e\u30ec\u30b3\u30e1\u30f3\u30c9\u3057\u304b\u3067\u304d\u307e\u305b\u3093\u3002
\n\u305d\u308c\u306b\u5bfe\u3057\u3066\u30a2\u30a4\u30c6\u30e0\u30d9\u30fc\u30b9\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u306f\u5358\u4e00\u884c\u52d5\u3060\u3051\u3067\u306f\u306a\u304f\u3001\u8907\u6570\u306e\u884c\u52d5\u306b\u5bfe\u5fdc\u3067\u304d\u307e\u3059\u3002\u4f8b\u3048\u3070\u3001\u884c\u52d51\u300c\u30e6\u30fc\u30b6A\u304c\u3042\u308b\u5e83\u544aX\u3092\u30af\u30ea\u30c3\u30af\u3057\u307e\u3057\u305f\u300d\u304c\u767a\u751f\u3057\u307e\u3057\u305f\u3002\u30a2\u30a4\u30c6\u30e0\u30d9\u30fc\u30b9\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u306f\u30e6\u30fc\u30b6\u306e\u884c\u52d51\u306b\u57fa\u3065\u3044\u3066\u5225\u306e\u5e83\u544a\u3092\u30ec\u30b3\u30e1\u30f3\u30c9\u3059\u308b\u306e\u3067\u306f\u306a\u304f\u3001\u30e6\u30fc\u30b6\u306e\u5225\u306e\u884c\u52d5\u3001\u4f8b\u3048\u3070\u884c\u52d52\u300c\u30e6\u30fc\u30b6A\u304c\u5546\u54c1\u3092\u8cb7\u3046\u53ef\u80fd\u6027\u304c\u3042\u308b\u300d\u3092\u4e88\u6e2c\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002
\n\u4eca\u56de\u306f\u30a2\u30a4\u30c6\u30e0\u30d9\u30fc\u30b9\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u306e\u4e2d\u306eCorrelated Cross-Occurrence\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3092\u7d39\u4ecb\u3057\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002\u6570\u5b66\u304c\u82e6\u624b\u306a\u65b9\u306f\u4e88\u6e2c\u30e2\u30c7\u30eb\u306e\u6570\u5f0f\u3060\u3051\u3092\u899a\u3048\u308c\u3070\u5341\u5206\u3060\u3068\u601d\u3044\u307e\u3059\u3002\u3067\u306fCorrelated Cross-Occurrence\u3092\u63a2\u691c\u3057\u3066\u3044\u304d\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002\u30de\u30c8\u30ea\u30af\u30b9\u306e\u5185\u7a4d\u7b49\u306e\u8a18\u53f7\u306e\u8aac\u660e\u306f\u3057\u307e\u305b\u3093\u306e\u3067\u3054\u4e86\u627f\u304f\u3060\u3055\u3044\u3002<\/p>\n

\u307e\u305a\u306f\u5358\u4e00\u30e6\u30fc\u30b6\u884c\u52d5\u306e\u4f8b\u3092\u898b\u3066\u884c\u304d\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n

\u4f8b\uff09
\n\u30e6\u30fc\u30b6\u304c\u3042\u308b\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u3092\u95b2\u89a7\u3057\u305f\u5c65\u6b74<\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n
User<\/th>\nAction<\/th>\nItem<\/th>\n<\/tr>\n<\/thead>\n
User1<\/td>\nview<\/td>\niPad<\/td>\n<\/tr>\n
User1<\/td>\nview<\/td>\nSurface<\/td>\n<\/tr>\n
User2<\/td>\nview<\/td>\niPad<\/td>\n<\/tr>\n
User2<\/td>\nview<\/td>\nGalaxy<\/td>\n<\/tr>\n
User2<\/td>\nview<\/td>\nOppa<\/td>\n<\/tr>\n
User2<\/td>\nview<\/td>\nHuawei<\/td>\n<\/tr>\n
User3<\/td>\nview<\/td>\nSurface<\/td>\n<\/tr>\n
User3<\/td>\nview<\/td>\nGalaxy<\/td>\n<\/tr>\n
User3<\/td>\nview<\/td>\nHuawei<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u4e0a\u8a18\u3092\u6574\u7406\u3059\u308b\u3068\u3001\u4ee5\u4e0b\u306eUser-view\u306e\u30de\u30c8\u30ea\u30af\u30b9\u304c\u4f5c\u308c\u307e\u3059\uff1a
\n\"\"<\/p>\n

\u4e0a\u8a18\u5358\u4e00\u884c\u52d5\u306e\u30ec\u30b3\u30e1\u30f3\u30c9\u4e88\u6e2c\u30e2\u30c7\u30eb\u306f\u4ee5\u4e0b\u3067\u8868\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\uff1a
\nrecommendation = (VT<\/sup> V) hv<\/sub><\/p>\n

VT<\/sup> V \u306fco-occurrence\u30de\u30c8\u30ea\u30af\u30b9\u3068\u547c\u3070\u308c\u3066\u3044\u307e\u3059\u304c\u3001\u30a2\u30a4\u30c6\u30e0\u9593\u306e\u95a2\u9023\u304c\u8a08\u7b97\u3055\u308c\u3066\u3044\u307e\u3059\u3002
\n\u3053\u306e\u4f8b\u3067\u3059\u3068\u3001Galaxy\u3068Huawei\u306e\u4e21\u65b9\u3092\u95b2\u89a7\u3057\u305f\u30e6\u30fc\u30b6\u304c\u4e8c\u4eba\uff08\u8d64\u6587\u5b57\u306e\u3068\u3053\u308d\uff09\u3044\u305f\u3053\u3068\u304c\u5206\u304b\u308a\u307e\u3059\u3002\u307e\u305fGalaxy\u3068Huawei\u306e\u95a2\u9023\u5ea6\u304c\u9ad8\u3044\u3068\u8003\u3048\u3089\u308c\u308b\u305f\u3081\u3001Galaxy\u3092\u95b2\u89a7\u3057\u305f\u30e6\u30fc\u30b6\u304cHuawei\u3082\u95b2\u89a7\u3059\u308b\u53ef\u80fd\u6027\u304c\u9ad8\u3044\u3068\u3044\u3046\u3088\u3046\u306a\u5206\u6790\u304c\u3067\u304d\u307e\u3059\u3002
\n\u203b\u4e0a\u8a18\u306f\u64ec\u4f3c\u30c7\u30fc\u30bf\u3067\u3059\u306e\u3067\u3001\u30b9\u30de\u30db\u30de\u30fc\u30b1\u30c3\u30c8\u306e\u8abf\u67fb\u7d50\u679c\u3092\u793a\u3057\u3066\u3044\u308b\u3082\u306e\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n

\"\"<\/p>\n

hv<\/sub> \u306f\u30e6\u30fc\u30b6\u306e\u884c\u52d5\u5c65\u6b74\u3068\u547c\u3070\u308c\u3066\u3044\u307e\u3059\u304c\u3001\u5206\u304b\u308a\u306b\u304f\u306b\u306e\u3067\u3001query\u3068\u3057\u3066\u8003\u3048\u3066\u304f\u3060\u3055\u3044\u3002
\n\"\"<\/p>\n

\u4e0a\u8a18\u306e\u4f8b\u3067\u3044\u3046\u3068\u3001\u300c\u79c1\u306fiPad\u3068Surface\u304c\u597d\u304d\u306a\u306e\u3067\u3001\u5546\u54c1\u3092\u52e7\u3081\u3066\u304f\u308c\u300d\u3068\u3044\u3046query\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n

\u3053\u306e\u3088\u3046\u306b\u5546\u54c1\u306e\u304a\u3059\u3059\u3081\u5ea6\u306e\u30d9\u30af\u30c8\u30ebrecommendation\u3092\u8a08\u7b97\u3067\u304d\u307e\u3059\u3002<\/p>\n

\u307e\u305f\u3053\u3053\u3067\u306f\u7701\u7565\u3057\u307e\u3059\u304c\u3001\u826f\u3044\u7d50\u679c\u3092\u5f97\u308b\u305f\u3081\u306b\u306fVT<\/sup> V\u306bLLR\uff08Log Likelihood Ratio\uff09\u3092\u9069\u7528\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u6b63\u898f\u5316\u306e\u3088\u3046\u306a\u3082\u306e\u3068\u8003\u3048\u308c\u3070\u826f\u3044\u3068\u601d\u3044\u307e\u3059\u3002LLR\u306fApache Mahout\u304c\u3084\u3063\u3066\u304f\u308c\u307e\u3059\u306e\u3067\u3001\u7279\u306b\u5b9f\u88c5\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n

\u5358\u4e00\u30e6\u30fc\u30b6\u884c\u52d5\u306e\u30ec\u30b3\u30e1\u30f3\u30c9\u304c\u5206\u304b\u3063\u305f\u3068\u3053\u308d\u3067\u3001\u6b21\u306b\u8907\u6570\u30e6\u30fc\u30b6\u884c\u52d5\u306b\u62e1\u5f35\u3057\u307e\u3059\u3002<\/p>\n

\u4ee5\u4e0b\u30e6\u30fc\u30b6\u304c\u5e83\u544a\u3092\u30af\u30ea\u30c3\u30af\u3057\u305f\u5c65\u6b74\u304c\u3042\u308b\u3068\u3057\u307e\u3059\u3002<\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n
User<\/th>\nAction<\/th>\nItem<\/th>\n<\/tr>\n<\/thead>\n
User1<\/td>\nclick<\/td>\n\u5e83\u544aA<\/td>\n<\/tr>\n
User1<\/td>\nclick<\/td>\n\u5e83\u544aB<\/td>\n<\/tr>\n
User1<\/td>\nclick<\/td>\n\u5e83\u544aC<\/td>\n<\/tr>\n
User1<\/td>\nclick<\/td>\n\u5e83\u544aD<\/td>\n<\/tr>\n
User2<\/td>\nclick<\/td>\n\u5e83\u544aA<\/td>\n<\/tr>\n
User2<\/td>\nclick<\/td>\n\u5e83\u544aB<\/td>\n<\/tr>\n
User3<\/td>\nclick<\/td>\n\u5e83\u544aC<\/td>\n<\/tr>\n
User3<\/td>\nclick<\/td>\n\u5e83\u544aD<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u524d\u3068\u540c\u69d8\u306bUser-click\u306e\u30de\u30c8\u30ea\u30af\u30b9C\u304c\u3067\u304d\u307e\u3059\uff1a
\n\"\"<\/p>\n

\u30de\u30c8\u30ea\u30af\u30b9C\u3092recommendation\u306e\u6570\u5f0f\u306b\u52a0\u3048\u308b\u3053\u3068\u3067\u8907\u6570\u884c\u52d5\u306b\u57fa\u3065\u3044\u3066\u3001\u304a\u3059\u3059\u3081\u306e\u5546\u54c1\u3092\u4e88\u6e2c\u3059\u308b\u30e2\u30c7\u30eb\u304c\u51fa\u6765\u4e0a\u304c\u308a\u307e\u3059\uff1a
\nrecommendation = (VT<\/sup> V) hv<\/sub> + (VT<\/sup> C) hc<\/sub><\/p>\n

\u4eca\u56dequery\u3092\u5b9f\u884c\u3059\u308b\u305f\u3081\u306b\u3001hv<\/sub>\u306e\u4ed6\u306bhc<\/sub>\u304c\u5fc5\u8981\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n

\"\"<\/p>\n

\u4e0a\u8a18\u306e\u3088\u3046\u306b\u30e6\u30fc\u30b6\u306e\u8907\u6570\u306e\u884c\u52d5\u306b\u306b\u3064\u3044\u3066\u5206\u6790\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n

Apache Mahout<\/h1>\n

\u30a2\u30a4\u30c6\u30e0\u30d9\u30fc\u30b9\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u3092\u7d39\u4ecb\u3057\u307e\u3057\u305f\u306e\u3067\u3001Correlated Cross-Occurrence\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3092\u5b9f\u88c5\u6e08\u307f\u306eApache Mahout\u3092\u7d39\u4ecb\u3057\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002\u4eca\u56de\u306e\u5b9f\u9a13\u3082Apache Mahout\u3092\u5229\u7528\u3057\u3066\u5b9f\u65bd\u3057\u307e\u3059\u3002<\/p>\n

Apache Mahout\u306f\u672c\u6765\u7121\u6599\u3067\u4f7f\u7528\u3067\u304d\u308b\u30b9\u30b1\u30fc\u30e9\u30d6\u30eb\u306a\u6a5f\u68b0\u5b66\u7fd2\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3092\u4f5c\u6210\u3059\u308b\u3053\u3068\u304c\u76ee\u7684\u3067\u3057\u305f\u3002Apache Mahout\u306fApache Hadoop\u30e9\u30a4\u30d6\u30e9\u30ea\u30fc\u3092\u4f7f\u3046\u3053\u3068\u3067\u3001\u30af\u30e9\u30a6\u30c9\u306e\u4e2d\u3067 Mahout\u3092\u52b9\u679c\u7684\u306b\u30b9\u30b1\u30fc\u30ea\u30f3\u30b0\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u3066\u3044\u307e\u3057\u305f\u3002\u6614\u306fHadoop+Mahout\u304c\u6709\u540d\u3067\u3057\u305f\u304c\u3001\u73fe\u5728\u306eMahout\u306f\u62e1\u5f35\u3055\u308c\u3001Mahout\u30d9\u30fc\u30b9\u3067\u5225\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3068\u3057\u3066Apache PredictionIO\u304c\u5b58\u5728\u3057\u307e\u3059\u3002Mahout\u81ea\u8eab\u306fScala\u7528\u306e\u5206\u6563\u7dda\u5f62\u4ee3\u6570(Distributed Linear Algebra)\u8a08\u7b97\u30e9\u30a4\u30d6\u30e9\u30ea\u3068\u306a\u308a\u3001\u30d0\u30c3\u30af\u30a8\u30f3\u30c9\u3082Spark\u306b\u5909\u308f\u3063\u3066\u3044\u307e\u3059\u3002Mahout\u3092\u4f7f\u3046\u3068Spark RDD\u306e\u9593\u3067\u30b9\u30b1\u30fc\u30e9\u30d6\u30eb\u306a\u7dda\u5f62\u4ee3\u6570\u306e\u8a08\u7b97\u304c\u3067\u304d\u307e\u3059\u3002\u7279\u306b\u30c7\u30fc\u30bf\u91cf\u304c\u591a\u304f\u3001\u81ea\u5206\u3067\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3092\u5b9f\u88c5\u3057\u3066PoC\u3092\u884c\u3044\u305f\u3044\u6642\u306f\u5f37\u529b\u306a\u30c4\u30fc\u30eb\u306b\u306a\u308b\u3068\u601d\u3044\u307e\u3059\u3002\u307e\u305fApache Mahout\u306fScala\u3057\u304b\u30b5\u30dd\u30fc\u30c8\u3057\u307e\u305b\u3093\u306e\u3067\u3001\u30d7\u30ed\u30c0\u30af\u30c8\u3092\u958b\u767a\u306e\u5834\u5408\u306fApache PredictionIO\u3092\u9078\u629e\u3057\u305f\u307b\u3046\u304c\u826f\u3044\u3067\u3057\u3087\u3046\u3002<\/p>\n

\u56e0\u307f\u306bSpark2.x\u306f\u5168\u9762\u7684\u306bDataframe\u306eAPI\u3092\u4f7f\u3046\u3053\u3068\u3092\u52e7\u3081\u3089\u308c\u3066\u3044\u307e\u3059\u304c\u3001Mahout\u306fSpark\u306eDataframe\u306b\u5bfe\u5fdc\u3059\u308b\u4e88\u5b9a\u304c\u306a\u3044\u305d\u3046\u3067\u3059\u3002\u307e\u305fgithub repository\u306e\u30b3\u30df\u30c3\u30c8\u304c\u6d3b\u767a\u3067\u306f\u306a\u3044\u306e\u3067\u3001Apache PredictionIO\u304c\u30d9\u30bf\u30fc\u306a\u9078\u629e\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002<\/p>\n

\u5b9f\u9a13:<\/h1>\n

Apache Mahout\u306f\u5206\u6563\u7dda\u5f62\u4ee3\u6570(Distributed Linear Algebra)\u8a08\u7b97\u30e9\u30a4\u30d6\u30e9\u30ea\u3068\u3044\u3046\u3053\u3068\u3067\u3001\u4eca\u56de\u306e\u76ee\u7684\u3092Correlated Cross-Occurrence\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u4f5c\u6210\u3057Spark Cluster\u3067\u52d5\u3059\u3053\u3068\u306b\u3057\u307e\u3057\u305f\u3002
\n\u4f5c\u6210\u3057\u307e\u3057\u305f\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u7d39\u4ecb\u3068Spark\u306e\u7d39\u4ecb\u306f\u4e00\u3064\u306e\u6280\u8853\u8a18\u4e8b\u306b\u306a\u308a\u307e\u3059\u306e\u3067\u3001\u5272\u611b\u3057\u307e\u3059\u3002<\/p>\n

\u5b9f\u9a13\u74b0\u5883\uff1a<\/h2>\n

Docker 18.06.1-ce
\nSpark 2.3.1
\nScala 2.11
\nMahout 0.13.0
\nJava 1.8
\n\u203bMahout 0.13.0\u306fScala 2.11\u3067\u30b3\u30f3\u30d1\u30a4\u30eb\u3055\u308c\u305f\u3082\u306e\u3092\u5229\u7528\u3057\u307e\u3057\u305f\u3002<\/p>\n

\u30af\u30e9\u30b9\u30bf\u69cb\u6210\u306f\u4ee5\u4e0b\u306e\u901a\u308a\uff1a<\/h2>\n\n\n\n\n\n\n\n
\u30ce\u30fc\u30c9<\/th>\nIP\u30a2\u30c9\u30ec\u30b9<\/th>\n<\/tr>\n<\/thead>\n
master\u30ce\u30fc\u30c9<\/td>\n172.17.0.2<\/td>\n<\/tr>\n
worker\u30ce\u30fc\u30c91<\/td>\n172.17.0.4<\/td>\n<\/tr>\n
worker\u30ce\u30fc\u30c92<\/td>\n172.17.0.5<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u203b\u4e0a\u8a18\u30af\u30e9\u30b9\u30bf\u306fPC\u4e00\u53f0\u306b\u3066Docker\u30b3\u30f3\u30c6\u30ca\u3067\u4f5c\u6210\u3057\u307e\u3057\u305f\u4eee\u60f3\u74b0\u5883\u3067\u3059<\/p>\n

\u30c7\u30fc\u30bf\u30fb\u30bb\u30c3\u30c8\u306b\u3064\u3044\u3066<\/h2>\n

\u4eca\u56de\u6271\u3046\u30c7\u30fc\u30bf\u306f\u30c7\u30fc\u30bf\u30b5\u30a4\u30a8\u30f3\u30b9\u30b3\u30f3\u30da\u30b5\u30a4\u30c8kaggle\u304b\u3089\u53d6\u3063\u3066\u304d\u307e\u3057\u305f\u3002
\nhttps:\/\/www.kaggle.com\/CooperUnion\/anime-recommendations-database<\/a><\/p>\n

\u30c7\u30fc\u30bf\u30fb\u30bb\u30c3\u30c8\u306b\u306f\uff12\u3064\u30d5\u30a1\u30a4\u30eb\u304c\u3042\u308a\u307e\u3059\u3002
\n-anime.csv
\n-rating.csv<\/p>\n

73,516 \u30e6\u30fc\u30b6\u304c 12,294 \u30a2\u30cb\u30e1\u306b\u5bfe\u3057\u3066\u306e\u30ec\u30a4\u30c6\u30a3\u30f3\u30b0\u30c7\u30fc\u30bf\u3067\u3059\u3002
\n\u30a2\u30cb\u30e1\u306e\u30ec\u30b3\u30e1\u30f3\u30c9\u3092\u4f5c\u308b\u3053\u3068\u304c\u8003\u3048\u3089\u308c\u307e\u3059\u304c\u3001\u4eca\u56de\u306f\u30a2\u30cb\u30e1\u3067\u306f\u306a\u304f\u3001\u81ea\u5206\u306e\u8da3\u5473\u3068\u5408\u3046\u30e6\u30fc\u30b6\u3092\u30ec\u30b3\u30e1\u30f3\u30c9\u3067\u304d\u308b\u3088\u3046\u306a\u30ec\u30b3\u30e1\u30f3\u30c9\u30a8\u30f3\u30b8\u30f3\u3092\u4f5c\u308a\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n

\u3067\u306fCorrelated Cross-Occurrence\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u306b\u5408\u308f\u305b\u3066\u3001\u4e0a\u8a18\u30c7\u30fc\u30bf\u30fb\u30bb\u30c3\u30c8\u304b\u3089\uff12\u3064\u306e\u30e6\u30fc\u30b6\u884c\u52d5\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002<\/p>\n

\u30e6\u30fc\u30b6\u304c\u597d\u304d\u306a\u30a2\u30cb\u30e1\u3092\u62bd\u51fa\u3057\u3001\u30e6\u30fc\u30b6\u884c\u52d5\uff11\u3068\u3057\u307e\u3059\u3002
\n\u4f8b\uff1a\u3000<\/p>\n\n\n\n\n\n
user_id<\/th>\nanime<\/th>\n<\/tr>\n<\/thead>\n
1<\/td>\nPokemon<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u30e6\u30fc\u30b6\u304c\u597d\u304d\u306a\u30b8\u30e3\u30f3\u30eb\u3092\u62bd\u51fa\u3057\u3001\u30e6\u30fc\u30b6\u884c\u52d5\uff12\u3068\u3057\u307e\u3059\u3002
\n\u4f8b\uff1a\u3000<\/p>\n\n\n\n\n\n\n\n
user_id<\/th>\ngenre<\/th>\n<\/tr>\n<\/thead>\n
1<\/td>\nAction<\/td>\n<\/tr>\n
1<\/td>\nDrama<\/td>\n<\/tr>\n
1<\/td>\nSci-Fi<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u203banime.csv\u306egenre\u5217\u3092\u5229\u7528\u3057\u3066\u3044\u307e\u3059\u304c\u3001\u300cAction,Drama,Sci-Fi\u300d\u306e\u3088\u3046\u306a\u8907\u6570\u30b8\u30e3\u30f3\u30eb\u304c\u6df7\u3056\u3063\u3066\u3044\u308b\u72b6\u614b\u306a\u306e\u3067\u3001\u300cAction,Drama,Sci-Fi\u300d\u3092\u7e26\u8ef8\u306b\u5c55\u958b\u3057\u307e\u3057\u305f\u3002
\n\u203b\u300c\u30e6\u30fc\u30b6\u304c\u597d\u304d\u300d\u3068\u3044\u3046\u306e\u306frating.csv\u306erating\u30ab\u30e9\u30e0\u306e\u5024\u304c7\u4ee5\u4e0a\u3067\u3042\u308b\u3053\u3068\u3092\u5b9a\u7fa9\u3057\u3066\u3044\u307e\u3059\u3002\u305d\u306e\u9006\u3067\u4f8b\u3048\u3070\u5024\u304c3\u4ee5\u4e0b\u306e\u307f\u3092\u62bd\u51fa\u3059\u308b\u3068\u3001\u30e6\u30fc\u30b6\u304c\u5acc\u3044\u306a\u3082\u306e\u3082\u5206\u6790\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n

\u30e2\u30c7\u30eb\u306e\u8a55\u4fa1\u306b\u3064\u3044\u3066<\/h2>\n

Correlated Cross-Occurrence\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3067\u4f5c\u6210\u3057\u305f\u30ec\u30b3\u30e1\u30f3\u30c9\u30e2\u30c7\u30eb\u3092\u8a55\u4fa1\u3059\u308b\u305f\u3081\u306bMAP@K\u304c\u3088\u304f\u4f7f\u308f\u308c\u308b\u624b\u6cd5\u3067\u3059\u3002\u4f46\u3057\u4eca\u56de\u306e\u5834\u5408\u3001\u4e88\u6e2c\u7d50\u679c\u3068\u6bd4\u8f03\u3059\u308b\u305f\u3081\u306e\u89b3\u6e2c\u5024\u306e\u53d6\u5f97\u304c\u96e3\u3057\u3044\u305f\u3081\u3001\u8a55\u4fa1\u306f\u3057\u307e\u305b\u3093\u3002\u672c\u5f53\u306b\u8a55\u4fa1\u3057\u305f\u3044\u5834\u5408\u306f\u5225\u306e\u30ec\u30b3\u30e1\u30f3\u30c9\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3067\u4e88\u6e2c\u3057\u305f\u7d50\u679c\u3092\u89b3\u6e2c\u5024\u3068\u4eee\u5b9a\u3057\u3001\u30e2\u30c7\u30eb\u3092\u8a55\u4fa1\u3059\u308b\u65b9\u6cd5\u3082\u8003\u3048\u3089\u308c\u307e\u3059\u3002<\/p>\n

Correlated Cross-Occurrence\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u306e\u5b9f\u884c\u7d50\u679c<\/h2>\n

\u524d\u8ff0\u306e\u901a\u308a\u3001\u30e6\u30fc\u30b6\u884c\u52d5\u3092\u300c\u597d\u304d\u306a\u30a2\u30cb\u30e1\u3068\u597d\u304d\u306a\u30b8\u30e3\u30f3\u30eb\u300d\u306e\uff12\u3064\u306b\u8a2d\u5b9a\u3057\u307e\u3057\u305f\u306e\u3067\u3001\u4eca\u56de\u306equery\u3092\u4ee5\u4e0b\u3068\u3057\u3066\u3044\u307e\u3057\u305f\u3002<\/p>\n

\n\u79c1\u304c\u597d\u304d\u306a\u30a2\u30cb\u30e1\uff1a\n      Cowboy Bebop\n      Witch Hunter Robin\n      Monster\n      Neon Genesis Evangelion\n      Ghost in the Shell\n      71 = Full Metal Panic!\n      Final Fantasy VII: Advent Children\n      Pokemon\n      Vampire Hunter D\n      Detective Conan Movie 05: Countdown to Heaven\n      Pokemon: Pikachu Tankentai\n\n\u79c1\u304c\u597d\u304d\u306a\u30b8\u30e3\u30f3\u30eb\uff1a\n      Action\n      Fantasy\n      Adventure\n      Shounen\n      SuperPower\n      Comedy\n      Supernatural\n      Drama\n\n\u79c1\u3068\u540c\u3058\u8da3\u5473\u306e\u30e6\u30fc\u30b6ID\u3092\u52e7\u3081\u3066\u304f\u3060\u3055\u3044\u3002\n<\/pre>\n
\u5b9f\u884c\u7d50\u679c\u3068\u3057\u3066\u3001Correlated Cross-Occurrence\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u304c\u4ee5\u4e0b\u306e\u30e6\u30fc\u30b6\u3092\u304a\u3059\u3059\u3081\u5ea6\u4ed8\u304d\u3067\u52e7\u3081\u3066\u304f\u308c\u307e\u3057\u305f\u3002\uff08\u4e0a\u4f4d\uff15\u30e6\u30fc\u30b6\u306e\u307f\u3092\u8868\u793a\u3057\u3066\u3044\u307e\u3059\uff09<\/p>\n
\n(3766,2247.687221864471), (4995,2108.613998122746), (6228,2050.3316726509947), \n(5698,1957.2375063486397), (2762,1954.221073256107))\n<\/pre>\n
\u4e0a\u8a18\u7d50\u679c\u306fkey-value\u306e\u30ea\u30b9\u30c8\u3067\u3059\u304c\u3001key\u304cuser_id\u3092\u793a\u3057\u3066\u304a\u308a\u3001value\u306f\u304a\u3059\u3059\u3081\u5ea6\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002
\nuser_id=3766\u306e\u304a\u3059\u3059\u3081\u5ea6\u304c\u4e00\u756a\u9ad8\u304f\u306a\u3063\u3066\u3044\u307e\u3059\u306e\u3067\u3001\u5b9f\u969b\u306buser_id=3766\u306e\u30e6\u30fc\u30b6\u3092\u78ba\u8a8d\u3057\u307e\u3057\u3087\u3046\u3002
\n\u203b\u524d\u8ff0\u306e\u901a\u308a\u3001\u4eca\u56de\u306f\u30a2\u30cb\u30e1\u306erating\u304c7\u4ee5\u4e0a\u304c\u597d\u304d\u3067\u3042\u308b\u3053\u3068\u3092\u524d\u63d0\u3067\u884c\u3063\u3066\u3044\u307e\u3059\u306e\u3067\u3001rating > 7\u306e\u30ec\u30b3\u30fc\u30c9\u306e\u307f\u3092\u62bd\u51fa\u3057\u307e\u3057\u305f\u3002<\/p>\n
\nSELECT anime.anime_id, anime.name, anime.genre, rating.user_id, rating.rating \nFROM anime INNER JOIN rating on rating.anime_id = anime.anime_id \nWHERE rating.user_id = 3766 AND rating.rating > 7;\n<\/pre>\n
\"\"<\/p>\n
\u4e0a\u8a18\u30c6\u30fc\u30d6\u30eb\u306e\u901a\u308a\u3001query\u3067\u8a2d\u5b9a\u3057\u305f\u30b8\u30e3\u30f3\u30eb\u3068\u5927\u4f53\u4e00\u81f4\u3057\u3066\u3044\u307e\u3059\u304c\u3001query\u3067\u8a2d\u5b9a\u3057\u305f\u30a2\u30cb\u30e1\u540d\u306fuser_id=3766\u3068\u3042\u3063\u3066\u3044\u306a\u3044\u3088\u3046\u3067\u3059\u306d\u3002\u5b9f\u306f\u30ec\u30b3\u30e1\u30f3\u30c9\u30a8\u30f3\u30b8\u30f3\u306f\u985e\u4f3c\u3057\u305f\u30a2\u30a4\u30c6\u30e0\u3092\u4e88\u6e2c\u3057\u3066\u304f\u308c\u308b\u306e\u3067\u3001query\u3068\u540c\u3058\u3082\u306e\u3092\u63a2\u3059\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u6b63\u78ba\u306b\u7d50\u679c\u3092\u691c\u7d22\u3059\u308b\u306e\u304c\u7d5e\u308a\u8fbc\u307f\u691c\u7d22\u3067\u3001\u985e\u4f3c\u3057\u305f\u30a2\u30a4\u30c6\u30e0\u3092\u691c\u7d22\u3059\u308b\u306e\u304c\u30ec\u30b3\u30e1\u30f3\u30c9\u30a8\u30f3\u30b8\u30f3\u3067\u3059\u3002\u3000
\nanime.csv\u30d5\u30a1\u30a4\u30eb\u306egenre\u5217\uff08\u30b8\u30e3\u30f3\u30eb\uff09\u306f\u8907\u6570\u306e\u30b8\u30e3\u30f3\u30eb\u540d\u304c\u6df7\u3056\u3063\u3066\u3044\u307e\u3059\u304c\u3001query\u306b\u306f\u306a\u3044\u985e\u4f3c\u30b8\u30e3\u30f3\u30eb\u304c\u5165\u3063\u3066\u3044\u308b\u3053\u3068\u304c\u5206\u304b\u308a\u307e\u3059\u3002
\n\u4e0a\u8a18\u306b\u3088\u3063\u3066\u3001\u79c1\u304c\u9451\u8cde\u3057\u305d\u3046\u306a\u30a2\u30cb\u30e1\u306f\u4e0a\u8a18\u30c6\u30fc\u30d6\u30eb\u306e\u901a\u308a\u3067\u3042\u308b\u3053\u3068\u304c\u5206\u304b\u308a\u307e\u3059\u3002<\/p>\n
\u307e\u305f\u3001Apache Mahout\u306e\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u3092\u78ba\u8a8d\u3059\u308b\u3068\u3001\u3067\u304d\u308b\u9650\u308a\u5c65\u6b74\u3092\u96c6\u3081\u308b\u5fc5\u8981\u304c\u3042\u308b\u3088\u3046\u3067\u3059\u3002\u3064\u307e\u308a\u3001\u5358\u7d14\u306aquery\u3067\u306f\u306a\u304f\u3001query\u306b\u597d\u304d\u306a\u30a2\u30cb\u30e1\u3068\u30b8\u30e3\u30f3\u30eb\u3092\u3067\u304d\u308b\u3060\u3051\u5897\u3084\u3059\u3068\u3088\u308a\u826f\u3044\u7d50\u679c\u3092\u5f97\u3089\u308c\u308b\u3068\u3044\u3046\u3053\u3068\u3067\u3059\u3002<\/p>\n
\u6700\u5f8cMahout\u306e\u30de\u30c8\u30ea\u30af\u30b9\u8a08\u7b97\u306f\u30af\u30e9\u30b9\u30bf\u4e0a\u3067\u4e0a\u624b\u304f\u5206\u6563\u3067\u304d\u305f\u304b\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002<\/p>\n
\u4e0b\u56f3\u306e\u901a\u308a\u3001\uff12\u3064\u306eWorker\u30ce\u30fc\u30c9\uff08172.17.0.4\u3068172.17.0.5\uff09\u306b\u305d\u308c\u305e\u308c62\u500b\u306e\u30bf\u30b9\u30af\u304c\u30a2\u30b5\u30a4\u30f3\u3055\u308c\u3001\u51e6\u7406\u3055\u308c\u307e\u3057\u305f\u3002
\n\"\"<\/p>\n
\u3067\u306f\u30bf\u30b9\u30af\u3092\u78ba\u8a8d\u3059\u308b\u3068\u3001\u3055\u304d\u307b\u3069\u3001\u3054\u7d39\u4ecb\u3057\u307e\u3057\u305f\u3001recommendation\u5f0f\u306e\u8a08\u7b97\u304c\u898b\u308c\u307e\u3059\u3002\u4e0b\u56f3\u306eStage Id\u304c78\u306880\u304c\u524d\u8ff0\u306eco-occurrence\u30de\u30c8\u30ea\u30af\u30b9\u306e\u8a08\u7b97\u306b\u306a\u308a\u307e\u3059\u3002
\n\"\"<\/p>\n
\u3067\u306f\u3001Stage Id\u306e78\u3092\u5185\u5bb9\u3092\u898b\u3066\u884c\u304f\u3068\u3001\u4e0b\u56f3\u306e\u901a\u308a\u3001Stage\u5185\u306e4\u30bf\u30b9\u30af\u304c2\u500b\u3064\u3065Worker\u30ce\u30fc\u30c9\u306b\u5206\u6563\u3057\u3066\u51e6\u7406\u3055\u308c\u305f\u3053\u3068\u304c\u5206\u304b\u308a\u307e\u3059\u3002\u4f46\u3057\u3001\u5f53\u308a\u524d\u3067\u3059\u304c\u3001Shuffle\u304c\u767a\u751f\u3057\u3066\u3044\u307e\u3057\u305f\u3002\u5404\u30ce\u30fc\u30c9\u306eShuffle\u3055\u308c\u305f\u30ec\u30b3\u30fc\u30c9\u6570\u306f69002\u306a\u306e\u3067\u3001\u6027\u80fd\u304c\u5fae\u5999\u306b\u306a\u308a\u307e\u3057\u305f\u3002\u4eca\u56de\u306e\u30c7\u30fc\u30bf\u30fb\u30bb\u30c3\u30c8\u306f1\u30ce\u30fc\u30c9\u306e\u30e1\u30e2\u30ea\u306b\u683c\u7d0d\u3067\u304d\u308b\u30b5\u30a4\u30ba\u306a\u306e\u3067\u3001\u6027\u80fd\u691c\u8a3c\u306f\u3057\u307e\u305b\u3093\u3067\u3057\u305f\u3002
\n\"\"<\/p>\n
\u307e\u3068\u3081<\/h1>\n
\u4ee5\u4e0a\u3067\u3001Apache Mahout\u3092\u4f7f\u3063\u3066Correlated Cross-Occurrence\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3092Spark Cluster\u4e0a\u3067\u52d5\u304b\u3057\u3066\u898b\u307e\u3057\u305f\u3002\u8907\u6570\u306e\u30e6\u30fc\u30b6\u884c\u52d5\u304b\u3089\u30ec\u30b3\u30e1\u30f3\u30c9\u30a8\u30f3\u30b8\u30f3\u3092\u4f5c\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u306e\u3067\u3001\u30e6\u30fc\u30b6\u306e\u884c\u52d5\u5206\u6790\u306b\u306f\u4f7f\u3048\u305d\u3046\u3067\u3059\u3002\u4f46\u3057\u3001Spark Cluster\u3067\u52d5\u304f\u3068\u306f\u3044\u3048\u3001\u6027\u80fd\u306f\u3069\u3046\u306a\u306e\u304b\u306f\u61f8\u5ff5\u70b9\u306a\u306e\u3067\u3001\u307e\u305f\u691c\u8a3c\u3057\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n
\u4eca\u56de\u4f5c\u6210\u3057\u305f\u30bd\u30fc\u30b9\u30b3\u30fc\u30c9\u306fgithub\u306b\u30b3\u30df\u30c3\u30c8\u3057\u3066\u3042\u308a\u307e\u3059\u306e\u3067\u3001\u8208\u5473\u3092\u304a\u6301\u3061\u306e\u65b9\u306f\u3054\u53c2\u7167\u304f\u3060\u3055\u3044\u3002
\nhttps:\/\/github.com\/george-j-zhu\/Spark2.3.1-Mahout0.13.0-example<\/a><\/p>\n
\u4eca\u56de\u306e\u5185\u5bb9\u306f\u4ee5\u4e0a\u3067\u3059\u3002\u3044\u304b\u304c\u3067\u3057\u305f\u3067\u3057\u3087\u3046\u304b\u3002
\n\u5f0a\u793e\u306f\u30ec\u30b3\u30e1\u30f3\u30c9\u30a8\u30f3\u30b8\u30f3\u306e\u5b9f\u9a13\u691c\u8a3c\u3001\u5b9f\u88c5\u306a\u3069\u3082\u62c5\u5f53\u3057\u3066\u304a\u308a\u307e\u3059\u3002
\n\u8208\u5473\u3092\u304a\u6301\u3061\u3067\u3042\u308c\u3070\u3001\u304a\u6c17\u8efd\u306b\u5f0a\u793e\u55b6\u696d sales@creationline.com<\/a> \u307e\u305f\u306f \u304a\u554f\u3044\u5408\u308f\u305b\u30da\u30fc\u30b8<\/a> \u3088\u308a\u304a\u554f\u3044\u5408\u308f\u305b\u304f\u3060\u3055\u3044\u3002<\/p>\n
\u53c2\u8003<\/h1>\n
[1] https:\/\/mahout.apache.org\/<\/a>
\n[2] http:\/\/actionml.com\/blog\/making_dislikes_predict_likes<\/a>
\n[3] https:\/\/www.kaggle.com\/CooperUnion\/anime-recommendations-database<\/a>
\n[4] http:\/\/actionml.com\/docs\/ur<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"
\u3053\u3093\u3044\u3061\u306f\u3001\u30af\u30ea\u30a8\u30fc\u30b7\u30e7\u30f3\u30e9\u30a4\u30f3\u306e\u6731\u3067\u3059\u3002 \u4e45\u3057\u3076\u308a\u306b\u8a18\u4e8b\u3092\u66f8\u304d\u307e\u3059\u304c\u3001\u4eca\u56de\u306f\u30ec\u30b3\u30e1\u30f3\u30c9\u30a8\u30f3\u30b8\u30f3\u3092\u8a66\u3057\u3066\u307f\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002 \u30ec\u30b3\u30e1\u30f3\u30c7\u30fc\u30b7\u30e7\u30f3\u3068\u306f\u3001\u76f8\u624b\u306b\u4fa1\u5024\u304c\u3042\u308b\u3068\u601d\u308f\u308c\u308b\u30b3\u30f3\u30c6\u30f3\u30c4\u3092\u63d0\u793a\u3059\u308b\u3053\u3068\u3067\u3059\u3002 \u4f8b\u3048\u3070\u30d5\u30a1\u30df\u30ea […]<\/p>\n","protected":false},"author":1,"featured_media":22795,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"content-type":"","footnotes":""},"categories":[83,124,51],"tags":[],"class_list":["post-22557","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-dataanalytics","category-j-zhu","category-spark"],"acf":[],"yoast_head":"\nApache Mahout\u3067\u30ec\u30b3\u30e1\u30f3\u30c9\u30a8\u30f3\u30b8\u30f3(Correlated Cross-Occurrence\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0)\u3092\u8a66\u4f5c - Tech Blog\uff5c\u30af\u30ea\u30a8\u30fc\u30b7\u30e7\u30f3\u30e9\u30a4\u30f3<\/title>\n<meta name=\"description\" content=\"DataAnalytics, j-zhu, Spark |\u3053\u3093\u3044\u3061\u306f\u3001\u30af\u30ea\u30a8\u30fc\u30b7\u30e7\u30f3\u30e9\u30a4\u30f3\u306e\u6731\u3067\u3059\u3002 \u4e45\u3057\u3076\u308a\u306b\u8a18\u4e8b\u3092\u66f8\u304d\u307e\u3059\u304c\u3001\u4eca\u56de\u306f\u30ec\u30b3\u30e1\u30f3\u30c9\u30a8\u30f3\u30b8\u30f3\u3092\u8a66\u3057\u3066\u307f\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.creationline.com\/tech-blog\/data-management\/dataanalytics\/22557\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Apache Mahout\u3067\u30ec\u30b3\u30e1\u30f3\u30c9\u30a8\u30f3\u30b8\u30f3(Correlated Cross-Occurrence\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0)\u3092\u8a66\u4f5c - Tech Blog\uff5c\u30af\u30ea\u30a8\u30fc\u30b7\u30e7\u30f3\u30e9\u30a4\u30f3\" \/>\n<meta property=\"og:description\" content=\"DataAnalytics, j-zhu, Spark |\u3053\u3093\u3044\u3061\u306f\u3001\u30af\u30ea\u30a8\u30fc\u30b7\u30e7\u30f3\u30e9\u30a4\u30f3\u306e\u6731\u3067\u3059\u3002 \u4e45\u3057\u3076\u308a\u306b\u8a18\u4e8b\u3092\u66f8\u304d\u307e\u3059\u304c\u3001\u4eca\u56de\u306f\u30ec\u30b3\u30e1\u30f3\u30c9\u30a8\u30f3\u30b8\u30f3\u3092\u8a66\u3057\u3066\u307f\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.creationline.com\/tech-blog\/data-management\/dataanalytics\/22557\" \/>\n<meta property=\"og:site_name\" content=\"Tech Blog\uff5c\u30af\u30ea\u30a8\u30fc\u30b7\u30e7\u30f3\u30e9\u30a4\u30f3\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/creationline\" \/>\n<meta property=\"article:published_time\" content=\"2018-09-12T08:13:02+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.creationline.com\/tech-blog\/cms_x3GWkuX\/wp-content\/uploads\/2018\/09\/mahout-recommend.png\" \/>\n\t<meta property=\"og:image:width\" content=\"794\" \/>\n\t<meta property=\"og:image:height\" content=\"141\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"admin\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@creationline\" \/>\n<meta name=\"twitter:site\" content=\"@creationline\" \/>\n<meta name=\"twitter:label1\" content=\"\u57f7\u7b46\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"admin\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u63a8\u5b9a\u8aad\u307f\u53d6\u308a\u6642\u9593\" \/>\n\t<meta name=\"twitter:data2\" content=\"2\u5206\" \/>\n<script type=\"application\/ld+json\" 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