Dieter Fensel

Alexander Wahler

Umutcan Şimşek

Kevin Angele

Elwin Huaman

Elias Kärle

Oleksandra Panasiuk

Ioan Toma

Jürgen Umbrich

This book describes methods and tools that empower information providers to build and maintain knowledge graphs, including those for manual, semi-automatic, and automatic construction; implementation; and validation and verification of semantic annotations and their integration into knowledge graphs. It also presents lifecycle-based approaches for semi-automatic and automatic curation of these graphs, such as approaches for assessment, error correction, and enrichment of knowledge graphs with other static and dynamic resources. Chapter 1 defines knowledge graphs, focusing on the impact of various approaches rather than mathematical precision. Chapter 2 details how knowledge graphs are built, implemented, maintained, and deployed. Chapter 3 then introduces relevant application layers that can be built on top of such knowledge graphs, and explains how inference can be used to define views on such graphs, making it a useful resource for open and service-oriented dialog systems. Chapter 4 discusses applications of knowledge graph technologies for e-tourism and use cases for other verticals. Lastly, Chapter 5 provides a summary and sketches directions for future work. The additional appendix introduces an abstract syntax and semantics for domain specifications that are used to adapt schema.org to specific domains and tasks. To illustrate the practical use of the approaches presented, the book discusses several pilots with a focus on conversational interfaces, describing how to exploit knowledge graphs for e-marketing and e-commerce. It is intended for advanced professionals and researchers requiring a brief introduction to knowledge graphs and their implementation.

Methodology, Tools and Selected Use Cases

Knowledge Graphs

Freunde finden im 21JH" ist der ultimative Ratgeber um schnell, echte und erf�llende Freundschaften aufzubauen. Ganz egal ob du sch�chtern oder introvertiert bist, dein Selbstvertrauen noch nicht an dem Punkt ist, an dem du es gerne h�ttest, oder deine Freundschaften einfach aufs n�chste Level bringen m�chtest. Nur mit der Macht deiner authentischen Pers�nlichkeit, ohne Techniken oder Strategien die nicht zu dir passen, bekommst du leicht verst�ndliche Schritte an die Hand, um unter 7.5 Milliarden Menschen echte Freunde und Vertraute zu finden. Freunde, die zu DIR passen. Dabei gehen wir konkret auf die einzigartigen Umst�nde des 21 Jahrhunderts ein: Wenig Zeit und steigender Stress, Digitalisierung, Social Media, Globalisierung sowie der rasante Bev�lkerungsanstieg. Wir leben in einer sich immer rasanter ver�ndernden Welt, in der enge Freundschaften eine starke Konstante sein k�nnen. Dieses Buch zeigt dir, wie du diese Freundschaften aufbaust!

Freunde Finden Im 21. Jahrhundert

Alexander Wahler

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