{"resolved":true,"match_type":"uuid","source_type":"original_book","book_id":"cf76bc49-7e9b-4f42-bee8-3050a9fb9feb","title":"智慧的疆界 从图灵机到人工智能","author":null,"edition":null,"publisher":null,"year":null,"isbn":"9787111778004","requested_by":"printed_page","book":{"source_type":"original_book","book_id":"cf76bc49-7e9b-4f42-bee8-3050a9fb9feb","id":"cf76bc49-7e9b-4f42-bee8-3050a9fb9feb","uuid":"cf76bc49-7e9b-4f42-bee8-3050a9fb9feb","title":"智慧的疆界 从图灵机到人工智能","normalized_title":"智慧的疆界从图灵机到人工智能","author":null,"edition":null,"publisher":null,"year":null,"isbn":"9787111778004","isbns":["9787111778004","9787111695714"],"parsed":true,"ai_readable":true,"document_type":"book","page_count":456,"navigation_url":"https://workshop.closeclaw.top/ai/book/cf76bc49-7e9b-4f42-bee8-3050a9fb9feb","title_url":"https://workshop.closeclaw.top/ai/title/%E6%99%BA%E6%85%A7%E7%9A%84%E7%96%86%E7%95%8C%20%E4%BB%8E%E5%9B%BE%E7%81%B5%E6%9C%BA%E5%88%B0%E4%BA%BA%E5%B7%A5%E6%99%BA%E8%83%BD","fixed_page_url_template":"https://workshop.closeclaw.top/ai/book/cf76bc49-7e9b-4f42-bee8-3050a9fb9feb/page/{printed_page}","path_api_url_template":"https://workshop.closeclaw.top/api/ai/book/cf76bc49-7e9b-4f42-bee8-3050a9fb9feb/page/{printed_page}","read_url":"https://workshop.closeclaw.top/api/ai/read/cf76bc49-7e9b-4f42-bee8-3050a9fb9feb","page_url":"https://workshop.closeclaw.top/api/ai/books/cf76bc49-7e9b-4f42-bee8-3050a9fb9feb/page","search_url":"https://workshop.closeclaw.top/api/ai/books/cf76bc49-7e9b-4f42-bee8-3050a9fb9feb/search"},"page":{"printed_page":363,"pdf_page":378,"physical_index":378,"physical_index_base":0,"printed_page_status":"recognized","page_sha256":"52c3e1bd9a44656fd6c050484d2cda728b10cfc4cd5318fcea7ee97283baf50d"},"chapter":"内容简介","content":"图 9-5 是 SQuAD 1.0 数据集的一个公开的测试用例，这个用例给出了一小段描述降水类型和成因的片段，然后要求受测者回答配套的几个问题：第一个问题是“什么造成了降雨”，答案是“重力”造成的，这需要从第一句话中推理出来；而第二个问题则需要正确理解文章中“包括”和问句中“其他形式……除了……”的含义，才能依据“include”的各个子项通过排除法得到答案。由此可见，SQuAD 中问题的答案仍然是文章中直接出现过的词语。\n\n对于答案，SQuAD 的评测标准有两个，分别是“ F1 分数”和“精确匹配度”（Exact Match）。F1 分数的含义是精确率和召回率的调和平均值，这个概念我们在第 6 章曾经讲过，它代表了模糊匹配度，即要求尽量正确的回答而不要求一字不差的精确回答。顾名思义，精确匹配度要求机器给出的回答和人标注的完全一样才算正确。\n\n第 9 章 与机器共生\n\n363","previous_page":362,"next_page":364}