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net592 avatar net592 commented on August 19, 2024 1

我电脑里有100万个pdf,然后按照操作说明,把csv形式的书名+作者+出版日期的内容加载了进去,然后进行提问,比如某某书名的作者是谁,回答还是胡说八道,是因为openai的token限制导致他实际没办法学到我给的百万级内容吗

大佬最后解决么,如何优化提升本地问答知识库精准度,太不稳定没办法落地

很抱歉,没有,只能让他做到知识库没有的不答,乱说还没有找到办法,目前小规模开源模型的幻觉和认知问题是没有办法提升精准度的,我目前最多试过了13b规模的,这也是受限于机器(金钱)问题,但是其实gpt4也不能说一定精准,同时我也认为至少一年内现商业化落地的前景比较暗淡

感谢大佬答复共勉,囤了8块V100打算研究下,边缘摸索一头雾水,寻找业务场景.

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SimFG avatar SimFG commented on August 19, 2024

我猜可能是因为你给的这些里面有重复的,我猜的。因为其大概的原理是根据你的输入,去向量数据库里面找类似的内容,然后把这些内容告诉chatgpt,chatgpt在基于你给的这些内容来回答问题。

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net592 avatar net592 commented on August 19, 2024

大佬最后解决么,如何优化提升本地问答知识库精准度,太不稳定没办法落地

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net592 avatar net592 commented on August 19, 2024

我电脑里有100万个pdf,然后按照操作说明,把csv形式的书名+作者+出版日期的内容加载了进去,然后进行提问,比如某某书名的作者是谁,回答还是胡说八道,是因为openai的token限制导致他实际没办法学到我给的百万级内容吗

大佬最后解决么,如何优化提升本地问答知识库精准度,太不稳定没办法落地

from langchain-chinese-getting-started-guide.

ByteMelodist avatar ByteMelodist commented on August 19, 2024

我电脑里有100万个pdf,然后按照操作说明,把csv形式的书名+作者+出版日期的内容加载了进去,然后进行提问,比如某某书名的作者是谁,回答还是胡说八道,是因为openai的token限制导致他实际没办法学到我给的百万级内容吗

大佬最后解决么,如何优化提升本地问答知识库精准度,太不稳定没办法落地

很抱歉,没有,只能让他做到知识库没有的不答,乱说还没有找到办法,目前小规模开源模型的幻觉和认知问题是没有办法提升精准度的,我目前最多试过了13b规模的,这也是受限于机器(金钱)问题,但是其实gpt4也不能说一定精准,同时我也认为至少一年内现商业化落地的前景比较暗淡

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net592 avatar net592 commented on August 19, 2024

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Vdan123 avatar Vdan123 commented on August 19, 2024

切片问题,导致有些文本的上下文是混乱的,所有在用 embedding query 的方式去找相似性的内容,要么找不到,要么找到的重复内容太多。从两个方面入手吧,数据清理和数据整理,帮助切片的内容构建上下文。

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aoxiaojun666 avatar aoxiaojun666 commented on August 19, 2024

如何获取知识库返回的相关性内容数据列表?

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