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Web-based information systems, such as search engines, news portals, electronic
markets and community sites, provide access to information originating
from numerous information providers. The quality of provided information
varies as information providers have different levels of knowledge and
different intentions. Users of web-based systems are therefore confronted
with the increasingly difficult task to select high quality information from the
vast amount of Web-accessible information. How can information systems
support users to distinguish high quality from low quality information?
Which...

The World Wide Web has enabled the creation of a global information space comprising linked documents. As the Web becomes ever more enmeshed with our daily lives, there is a growing desire for direct access to raw data not currently available on the Web or bound up in hypertext documents. Linked Data provides a publishing paradigm in which not only documents, but also data, can be a first class citizen of the Web, thereby enabling the extension of the Web with a global data space based on open standards - the Web of Data. In this Synthesis lecture we provide readers with a detailed technical...