18、问答系统性能评估与优化

问答系统性能评估与优化

1. 问答系统初体验

在问答系统中，我们可以通过以下代码输出问题的答案和对应的评论片段：

for idx in range(n_answers):
    print(f"Answer {idx+1}: {preds['answers'][idx]['answer']}")
    print(f"Review snippet: ...{preds['answers'][idx]['context']}...")
    print("\n\n")

例如，对于问题 “Is it good for reading?”，有以下答案：
| 答案编号 | 答案内容 | 评论片段 |
| ---- | ---- | ---- |
| 1 | I mainly use it for book reading | … is my third one. I never thought I would want a fire for I mainly use it for book reading. I decided to try the fire for when I travel I take my la… |
| 2 | the larger screen compared to the Kindle makes for easier reading | …ght enough that I can hold it to read, but the larger screen compared to the Kindle makes for eas