[算法] 计算一部电影的相似影片(MoiveIndex)
1 引言
在《一个集成的电影评分指标MovieIndex》中，提出了一个新的影片评价指标MovieIndex,本文继续讨论“找出一部影片的相似影片.py”代码的后半部分，根据一个字符串找出最接近的电影名称后，寻找与这部电影相似的电影，然后对每部电影计算MovieIndex, 并获取其关键字. 下面以一个实例演示这个代码是如何工作的。
2 带有MovieIndex的相似电影
以2020年的一部电影【A Quiet Place Part II (2020) 寂静之地2】为例，计算的MovieIndex为25.1.
[25.1] A Quiet Place Part II (2020) 寂静之地2 [7.4/7.5/71/1048/84458] (97m) Drama|Horror|Sci-Fi|Thriller
当得出这部电影的名称后，寻找与其相似的电影，结果如下：
(1) [63.7] A Quiet Place (2018) 寂静之地 [7.5/7.2/82/3139/450326] (90m)
Keywords: survival, sign language, deafness, silence, post apocalypse
(2) [20.7] The Conjuring: The Devil Made Me Do It (2021) 招魂3 [6.3/6.4/53/1105/63797] (112m)
Keywords: the conjuring universe, demon, year 1981, third part, devil
(4) [22.8] Wrath of Man (2021) 人之怒 [7.2/6.9/57/821/72851] (119m)
Keywords: revenge, truck, police, police officer, security
(5) [29.3] Nobody (2021) 小人物 [7.4/7.6/64/1569/120824] (92m)
Keywords: fighting back, russian mafia, husband, black comedy, violence
(6) [31.0] Godzilla vs. Kong (2021) 哥斯拉大战金刚[6.4/6.8/59/1980/152217] (113m)
Keywords: kaiju, monsterverse, giant monster, monster versus monster, godzilla character
(7) [13.5] The Hitman's Wife's Bodyguard (2021) 杀手妻子的保镖[6.3/5.2/32/277/14373] (100m)
Keywords: sequel, buddy comedy, wisecrack humor, marriage, hitman
(8) [25.3] The Tomorrow War (2021) [6.7/6.6/45/2999/85295] (138m)
Keywords: time travel, soldier, alien invasion, alien, three word title
(9) [12.8] The Ice Road (2021) 冰路营救 [5.5/4.8/42/622/14878] (109m)
Keywords: diamond, mine, rescue, mission, ice
(10) [63.9] The Conjuring (2013) 招魂[7.5/8.2/68/1187/463300] (112m)
Keywords: ghost, exorcism, possession, haunted house, supernatural power
(11) [58.5] Tenet (2020) 信条 [7.4/7.2/69/5074/381536] (150m)
Keywords: time paradox, car chase, espionage, bearded man, car crash
(12) [13.1] Infinite (2021) 无限 [5.4/5.1/28/522/17963] (106m)
Keywords: reincarnation, bullet dodging, deflecting bullets with sword, bomb on plane, russian roulette
(13) [27.5] Mortal Kombat (2021) 真人快打 [6.2/6.3/44/2465/121415] (110m)
Keywords: reincarnation, bullet dodging, deflecting bullets with sword, bomb on plane, russian roulette
(14) [14.3] No Sudden Move (2021) 切勿擅动 [6.6/5.8/77/176/9673] (115m)
Keywords: criminal, work, together, job, mysterious
(15) A Quiet Place (2018)
(16) A Quiet Place (II) (2016)
(17) A Quiet Place Part II (2020)
(18) A Quiet Place Part III (2023)
(19) A Quiet Place to Kill (I) (1970)
(20) A Quiet Place in the Country (1968)
3 简化的相似电影算法
一个简化的寻找相似电影算法包括在代码latest-search-similar-movie.py中，这个算法不计算任何附加数据，只寻找相似电影，仍以“A Quiet Place”为例，其运行结果如下所示。
A Quiet Place Part II (2020); A Quiet Place (2018); A Quiet Place Part III (2023); A Quiet Place to Kill (1970); A Quiet Place in the Country (1968); A Quiet Place (2016); A Quiet Place (1986); A Quieter Place (None); The Conjuring (2013); Tenet (2020); Joker (2019); It (2017); Godzilla vs. Kong (2021); Get Out (2017); The Conjuring: The Devil Made Me Do It (2021); Avengers: Endgame (2019); Bird Box (2018); Once Upon a Time... in Hollywood (2019); The Shawshank Redemption (1994); The Dark Knight (2008); Interstellar (2014); Thor: Ragnarok (2017)
