metadata
元数据，描述或提供关于其他数据信息的数据。在 HCI/个人数据语境下，常指用户与数字系统交互时自动产生的轨迹信息（如高亮、时间戳、点击日志等）。
English Definition
"Data that describes or provides information about other data. In HCI and personal data contexts, it often refers to the trace information automatically generated through user interactions with digital systems (e.g., highlights, timestamps, click logs)."
用法说明 · 针对中文母语者
在 personal informatics、digital traces、slow technology 等议题中是核心概念。本文中反复出现的 'e-book metadata' 是指 Kindle 等平台产生的标注痕迹，而不仅是结构化的书名、作者信息。
真实用例 · 3 条
"These traces people make on e-books are then recorded in digital archives as metadata, providing people with precise histories of their annotative reading practices with books."
"Yet, there is limited knowledge on strategies and concepts that could inform how we can promote reflective experiences with ebook metadata."
"how can personal e-book metadata be mobilized as a resource for an alternative way of e-reading that encourages self-reflection over time?"