發送短信

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    ___     / _ \\  | || | ||   / _ \\   /  ___|| 
   /   ||  / //\ \\ | || | ||  | / \ || | // __   
  | [] || |  ___  ||| \\_/ ||  | \_/ || | \\_\ || 
   \__ || |_||  |_|| \____//    \___//   \____//  
    -|_|| `-`   `-`   `---`     `---`     `---`   
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發送短信 : An investigation of the application of graph neural networks in recommendation systems