Web Data APIs for Knowledge Graphs: Easing Access to Semantic Data for Application Developers

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Web Data APIs for Knowledge Graphs: Easing Access to Semantic Data for Application Developers Front Cover

Web Data APIs for Knowledge Graphs: Easing Access to Semantic Data for Application Developers

by Albert Meroño-Peñuela, Carlos Martínez-Ortiz, Pasquale Lisena
  • Length: 118 pages
  • Edition: 1
  • Publisher: Morgan & Claypool
  • Publication Date: 2021-10-14
  • ISBN-10: 1636392016
  • ISBN-13: 9781636392011
Description

This book describes a set of methods, architectures, and tools to extend the data pipeline at the disposal of developers when they need to publish and consume data from Knowledge Graphs (graph-structured knowledge bases that describe the entities and relations within a domain in a semantically meaningful way) using SPARQL, Web APIs, and JSON. To do so, it focuses on the paradigmatic cases of two middleware software packages, grlc and SPARQL Transformer, which automatically build and run SPARQL-based REST APIs and allow the specification of JSON schema results, respectively.

The authors highlight the underlying principles behind these technologies–query management, declarative languages, new levels of indirection, abstraction layers, and separation of concerns–, explain their practical usage, and describe their penetration in research projects and industry.

The book, therefore, serves a double purpose: to provide a sound and technical description of tools and methods at the disposal of publishers and developers to quickly deploy and consume Web Data APIs on top of Knowledge Graphs; and to propose an extensible and heterogeneous Knowledge Graph access infrastructure that accommodates a growing ecosystem of querying paradigms.

Web Data APIs for Knowledge Graphs: Easing Access to Semantic Data for Application Developers

 
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