أرسل هذا في رسالة قصيرة: Understanding tourist behavior using large-scale mobile sensing approach: A case study of mobile phone users in Japan

  _____      ___     ______    _    _    _    _   
 /  ___||   / _ \\  |      \\ | || | || | || | || 
| // __    | / \ || |  --  // | || | || | || | || 
| \\_\ ||  | \_/ || |  --  \\ | \\_/ || | \\_/ || 
 \____//    \___//  |______//  \____//   \____//  
  `---`     `---`   `------`    `---`     `---`