Personal knowledge graphs (PKGs) offer individuals a way to store and consolidate their fragmented personal data in a central place, improving service personalization while maintaining full user control. Despite their potential, practical PKG implementations with user-friendly interfaces remain scarce. This work addresses this gap by proposing a complete solution to represent, manage, and interface with PKGs. Our approach includes (1) a user-facing PKG Client, enabling end-users to administer their personal data easily via natural language statements, and (2) a service-oriented PKG API. To tackle the complexity of representing these statements within a PKG, we present an RDF-based PKG vocabulary that supports this, along with properties for access rights and provenance.

翻译：个人知识图谱（PKG）为个体提供了一种在中心化位置存储和整合其零散个人数据的方式，在保持用户完全控制的同时改进服务个性化。尽管具有潜力，但具备用户友好界面的实用PKG实现仍然稀少。本文通过提出用于表示、管理和对接PKG的完整方案来填补这一空白。我们的方法包括：（1）面向用户的PKG客户端，使终端用户能够通过自然语言语句轻松管理其个人数据；（2）面向服务的PKG应用程序编程接口。为应对在PKG内表示这些语句的复杂性，我们提出了一种支持该功能的基于RDF的PKG词汇表，并附带了访问权限和溯源属性。