{"resolved":true,"match_type":"uuid","source_type":"original_book","book_id":"07d591c2-0f4c-45ac-a1d7-103c4807db8f","title":"数字经济：内涵与路径","author":null,"edition":null,"publisher":null,"year":null,"isbn":"9787521745023","requested_by":"printed_page","book":{"source_type":"original_book","book_id":"07d591c2-0f4c-45ac-a1d7-103c4807db8f","id":"07d591c2-0f4c-45ac-a1d7-103c4807db8f","uuid":"07d591c2-0f4c-45ac-a1d7-103c4807db8f","title":"数字经济：内涵与路径","normalized_title":"数字经济内涵与路径","author":null,"edition":null,"publisher":null,"year":null,"isbn":"9787521745023","isbns":["9787521745023"],"parsed":true,"ai_readable":true,"document_type":"book","page_count":361,"navigation_url":"https://workshop.closeclaw.top/ai/book/07d591c2-0f4c-45ac-a1d7-103c4807db8f","title_url":"https://workshop.closeclaw.top/ai/title/%E6%95%B0%E5%AD%97%E7%BB%8F%E6%B5%8E%EF%BC%9A%E5%86%85%E6%B6%B5%E4%B8%8E%E8%B7%AF%E5%BE%84","fixed_page_url_template":"https://workshop.closeclaw.top/ai/book/07d591c2-0f4c-45ac-a1d7-103c4807db8f/page/{printed_page}","path_api_url_template":"https://workshop.closeclaw.top/api/ai/book/07d591c2-0f4c-45ac-a1d7-103c4807db8f/page/{printed_page}","read_url":"https://workshop.closeclaw.top/api/ai/read/07d591c2-0f4c-45ac-a1d7-103c4807db8f","page_url":"https://workshop.closeclaw.top/api/ai/books/07d591c2-0f4c-45ac-a1d7-103c4807db8f/page","search_url":"https://workshop.closeclaw.top/api/ai/books/07d591c2-0f4c-45ac-a1d7-103c4807db8f/search"},"page":{"printed_page":59,"pdf_page":58,"physical_index":58,"physical_index_base":0,"printed_page_status":"recognized","page_sha256":"7ab2ddb896e16c46cf727b9fdd62688bcb4c69e198fe472caa37f0712f60daf4"},"chapter":"第三章","content":"由此可见，数据处理中心、云计算的硬件功能具有超大规模化的通信能力、计算能力、存储能力，并赋予其虚拟化、灵活性、伸缩性的特点。服务商以IDC为硬件，以私有云、公共云作为客户服务的接口，向客户提供数据服务。\n\n（二）大数据\n\n大数据之大有三个要点：静态之大、动态之大和运算之后叠加之大。一是数据量大，例如，大英博物馆的藏书能全部以数字化的形式存储。二是实时动态变量大。每一秒钟、每一分钟、每一小时、每一天，数据都在产生变化。全球70亿人有六七十亿部手机，这些手机每天都在打电话，每天都在计算，每天都在付款，每天都在搜索。所有的动态数据每天不断叠加、不断丰富、不断增长。“量变会引起质变”，就像累积60张静态照片可以形成一秒钟的实时电影，大量静态数据的存放也会不断更新、累积，形成新的信息。三是数据叠加处理后的变量之大。人们根据自身的主观需求，对动态和静态的数据进行处理分析、综合挖掘，在挖掘计算的过程中，又会产生复核计算以后的新数据。这种计算数据也是数据库不断累积的数据。\n\n总之，所谓大数据之大，一是静态数据，二是动态数据，三是经过人类大脑和计算机处理、计算后产生的数据，这三者共同构成了大数据的数据来源。\n\n大数据若要转化为有用的信息、知识，则需要消除各种随机性和不确定性。数据在计算机中只是一串英语字母、字符或者阿拉伯数字，可能是混乱的、无序的。数据应用一般有三个步骤：数据—信息，信息—知识，知识—智慧。\n\n59","previous_page":58,"next_page":60}