{"resolved":true,"match_type":"uuid","source_type":"original_book","book_id":"0f4df77e-fbc5-46b5-aca2-e27886d75b12","title":"论数码物的存在","author":null,"edition":null,"publisher":null,"year":null,"isbn":"9787208154346","requested_by":"printed_page","book":{"source_type":"original_book","book_id":"0f4df77e-fbc5-46b5-aca2-e27886d75b12","id":"0f4df77e-fbc5-46b5-aca2-e27886d75b12","uuid":"0f4df77e-fbc5-46b5-aca2-e27886d75b12","title":"论数码物的存在","normalized_title":"论数码物的存在","author":null,"edition":null,"publisher":null,"year":null,"isbn":"9787208154346","isbns":["9787208154346"],"parsed":true,"ai_readable":true,"document_type":"book","page_count":317,"navigation_url":"https://workshop.closeclaw.top/ai/book/0f4df77e-fbc5-46b5-aca2-e27886d75b12","title_url":"https://workshop.closeclaw.top/ai/title/%E8%AE%BA%E6%95%B0%E7%A0%81%E7%89%A9%E7%9A%84%E5%AD%98%E5%9C%A8","fixed_page_url_template":"https://workshop.closeclaw.top/ai/book/0f4df77e-fbc5-46b5-aca2-e27886d75b12/page/{printed_page}","path_api_url_template":"https://workshop.closeclaw.top/api/ai/book/0f4df77e-fbc5-46b5-aca2-e27886d75b12/page/{printed_page}","read_url":"https://workshop.closeclaw.top/api/ai/read/0f4df77e-fbc5-46b5-aca2-e27886d75b12","page_url":"https://workshop.closeclaw.top/api/ai/books/0f4df77e-fbc5-46b5-aca2-e27886d75b12/page","search_url":"https://workshop.closeclaw.top/api/ai/books/0f4df77e-fbc5-46b5-aca2-e27886d75b12/search"},"page":{"printed_page":"178 / 165","pdf_page":175,"physical_index":175,"physical_index_base":0,"printed_page_status":"recognized","page_sha256":"f2e3cee4e7c8abb3dbf821b5e622546dbdb7f780174e8bc0a770e82d89f01d7e"},"chapter":"第三章","content":"逻辑时间\n\n现在我们可以探讨时间的第二个数量级，时间从指示到指令，从一个同步到另一级的同步。万维网联盟提出的有关语义网的时间本体就是最好的例证。[48]信息系统中的时间本体通常基于詹姆斯·艾伦(JamesAllen)的早期工作。这一规范中最有趣的是“拓扑时间关系”的概念。我认为将其与第三级时间(也是我们所说的拓扑时间)进行比较是大有裨益的。现代技术中的时间通常被认为由协助同步或日历系统的可测量单位组成。这一抽象在数字环境中赋予时间数码物。通过“时间本体”，语义网的研究者提出根据三个不同方面来理解时间：(1)拓扑时间关系；(2)测量期间；(3)时钟与日历。这三个方面源自它们的实用性，但同时它们也在数码物的感知中产生了新的时间形式。\n\n语义网的研究人员杰里·霍布斯(Jerry Hobbes)与潘冯(FengPan)考虑了两个基本的时间单位，即瞬时与间隔。瞬时是指定时刻的基本单位；间隔由两个瞬时指定，指示其开端与终点。基于间隔和瞬时，用户能够首先指定存在于不同时间性存在之间的拓扑时间关系，例如，之前、之后、期间。这些拓扑时间关系指定事件的发生以及发生的顺序。\n\n第四章 技术系统的时间\n\n178\n\n165","previous_page":174,"next_page":176}