Platform For AI:prediksi ALS

Batasan

Komponen ini mendukung mesin komputasi MaxCompute dan Flink.

Konfigurasikan parameter komponen

• Port Input

  Input port (kiri ke kanan)	Tipe data	Komponen hulu yang direkomendasikan	Wajib
  User factor table	None	ALS Matrix Factorization	Yes
  Item factor table	None	ALS Matrix Factorization	Yes
  Input data to be scored	None	Read Table Read CSV File Data Preprocessing	Yes

• Parameter Komponen

  Tab	Parameter	Deskripsi
  Field Settings	User column	Nama kolom ID pengguna dalam sumber data input. Harus bertipe BIGINT.
  	Item column	Nama kolom item dalam sumber data input. Harus bertipe BIGINT.
  Parameter Settings	Prediction result column name	Nama kolom dalam tabel output untuk menyimpan hasil scoring.
  	Output table lifecycle	Lifecycle dari tabel output.
  Execution Tuning	Number of workers	Nilai harus berada dalam rentang 1 hingga 9999.
  	Memory size per worker	Nilai harus berada dalam rentang 1024 MB hingga 64 × 1024 MB.

• Port keluaran

  Output port (kiri ke kanan)	Tipe data	Komponen hilir
  Scoring result table	None	None

Contoh penggunaan

Tabel faktor pengguna dan item untuk scoring:

• Output user factor table

  user_id	factors
  8528750	[0.026986524,0.03350178,0.03532385,0.019542359,0.020429865,0.02046867,0.022253247,0.027391396,0.018985065,0.04889483]
  282500	[0.116156064,0.07193632,0.090851225,0.017075706,0.025412979,0.047022138,0.12534861,0.05869226,0.11170533,0.1640192]
  4895250	[0.038429666,0.061858658,0.04236993,0.055866677,0.031814687,0.0417443,0.012085311,0.0379342,0.10767074,0.028392972]
  ...	...

• Output item factor table

  item_id	factors
  24601	[0.0063337763,0.026349949,0.0064828005,0.01734504,0.022049638,0.0059205987,0.008568814,0.0015981696,0.0,0.013601779]
  26699	[0.0027524426,0.0043066847,0.0031336215,0.00269448,0.0022347474,0.0020477585,0.0027995422,0.0025390312,0.0033011117,0.003957773]
  20751	[0.03902271,0.050952066,0.032981463,0.03862796,0.048720762,0.027976315,0.02721664,0.018149626,0.0149896275,0.026251089]
  ...	...

Scoring result table: