Numerous irregular graph datasets, for example social networks or web graphs, may contain
even trillions of edges. Often, their structure changes over time and they have domain …

The Resource Description Framework (RDF) represents a main ingredient and data
representation format for Linked Data and the Semantic Web. It supports a generic graph …

Most real systems consist of a large number of interacting, multi-typed components, while
most contemporary researches model them as homogeneous information networks, without …

The first edition of this book appeared in 1991 when the technology was new and there were
not too many products. In the Preface to the first edition, we had quoted Michael Stonebraker …

Graph data modeling and querying arises in many practical application domains such as
social and biological networks where the primary focus is on concepts and their …

知识图谱是以图的形式表现客观世界中的概念和实体及其之间关系的知识库, 是语义搜索,
智能问答, 决策支持等智能服务的基础技术之一. 目前, 知识图谱的内涵还不够清晰; …

知识图谱是人工智能的重要基石. 各领域大规模知识图谱的构建和发布对知识图谱数据管理提出
了新的挑战. 以数据模型的结构和操作要素为主线, 对目前的知识图谱数据管理理论, 方法 …

RDF has become very popular for semantic data publishing due to its flexible and universal
graph-like data model. Yet, the ever-increasing size of RDF data collections makes it more …

RDF is increasingly being used to encode data for the semantic web and data exchange.
There have been a large number of works that address RDF data management following …

We propose techniques for processing SPARQL queries over a large RDF graph in a
distributed environment. We adopt a “partial evaluation and assembly” framework …