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引言:
在数据爆炸的今天,准确、及时的信息获取成为关键。然而,大数据模型在处理海量数据时,往往陷入“幻觉”的泥潭。谷歌近日推出的开源AI统计学家DataGemma,凭借其强大的数据处理能力,有望为这一问题提供解决方案。

主体:

  1. Data Commons:海量数据的宝库
    Data Commons是一个庞大的开源公共统计数据存储库,汇集了来自联合国、疾病控制与预防中心、人口普查局等可信来源的2500亿个数据点和2.5万亿个三元组。这为DataGemma提供了丰富的数据基础。

  2. DataGemma:连接LLM与数据的桥梁
    DataGemma将大型语言模型(LLM)与Data Commons连接起来,实现了LLM对海量数据的充分利用。其核心在于解决以下三个问题:

    • 知识选择:LLM需要学会在何时使用存储在模型参数中的知识,何时从外部获取信息。
    • 信息来源:LLM需要确定从哪个外部信息源获取所需信息。
    • 数据查询:LLM需要生成查询来获取所需数据。
  3. 通用API:简化数据查询
    DataGemma开发了用于外部数据和服务的单一通用API,使得LLM可以轻松获取所需数据。这一API灵感来源于1993年设计的URL参数编码接口,具有通用性和可靠性。

  4. 挑战与应对
    DataGemma在处理海量数据时,也面临着一些挑战,如用户查询涉及复杂运算、公共统计数据包含多种模式和格式等。为此,作者采用了检索增强生成(RAG)和检索交错生成(RIG)等方法,提高了数据处理的准确性。

  5. 数据共享与创新
    Data Commons的数据共享涉及两项创新:一是将大量公开数据集进行规范化,形成通用知识图谱;二是利用LLM创建自然语言界面,允许用户用通用语言提出问题。

结论:
DataGemma的推出,为LLM在数据处理领域开辟了新的可能性。它不仅能够突破数据幻觉的困境,还为人工智能领域带来了新的创新思路。随着DataGemma的不断发展,我们有理由相信,未来AI在数据处理方面的能力将得到进一步提升。

参考文献:
[1] https://docs.datacommons.org/papers/DataGemma-FullPaper.pdf
[2] https://venturebeat.com/ai


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