推荐系统-排序层-特征工程：用户特征、物品特征

用户在线最新特征：

• anime_id=30276,
• user_id=463,
• rating=10,
• name=‘One Punch Man’,
• genre=‘Action, Comedy, Parody, Sci-Fi, Seinen, Super Power, Supernatural’,
• type=‘TV’,
• episodes=‘12’,
• all_rating=8.82,
• members=552458,
• aired_from=1443974400,
• aired_to=1450627200,
• label=1,
• genres=[‘Action’, ‘Comedy’, ‘Parody’, ‘Sci-Fi’, ‘Seinen’, ‘Super Power’, ‘Supernatural’],
• user_rating_cnt=74,
• user_rating_ave=8.46,
• user_rating_std=1.09,
• user_aired_from_ave=1168336312.0,
• user_aired_to_ave=1188773573.0,
• user_liked_genres=[‘Comedy’, ‘Romance’, ‘Drama’, ‘Shounen’, ‘Adventure’],
• user_rating_ave_min_max=0.8299999833106995,
• user_rating_std_min_max=0.17000000178813934,
• user_aired_from_ave_min_max=0.8999999761581421,
• user_aired_to_ave_min_max=0.9100000262260437,
• user_liked_genres_multihot=[1, 0, 1, 1, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]

物品在线最新特征：

• anime_id=5114,
• name=‘Fullmetal Alchemist: Brotherhood’,
• genre=‘Action, Adventure, Drama, Fantasy, Magic, Military, Shounen’,
• type=‘TV’,
• episodes=‘64’,
• all_rating=9.26,
• members=793665,
• japanese_title=‘鋼の錬金術師 FULLMETAL ALCHEMIST’,
• aired=‘Apr 5, 2009 to Jul 4, 2010’,
• image_url=‘https://cdn.myanimelist.net/images/anime/1223/96541.jpg’,
• aired_from=1238860800,
• aired_to=1278172800,
• genres=[‘Action’, ‘Adventure’, ‘Drama’, ‘Fantasy’, ‘Magic’, ‘Military’, ‘Shounen’],
• all_rating_min_max=0.9900000095367432,
• members_min_max=0.7799999713897705,
• aired_from_min_max=0.8999999761581421,
• aired_to_min_max=0.8999999761581421,
• genres_multihot=[0, 1, 0, 1, 1, 0, 0, 1, 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]