Zusammenfassung der Ressource
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... focuses on the relation between words, phrases, signs, and symbols, and what they stand for
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... is the study of meaning
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The Semantic Web ...
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... is an advanced search technology
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... allows data to be shared and reused across application, enterprise, and community boundaries
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... visualizes things and how they are related to each other
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... refers to W3C’s vision of the Web of linked data
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... is a knowledge base which is open for anybody under a CC-BY license
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The RDF Data Cube Vocabulary is compatible with ...
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The Data Documentation Initiative (DDI)
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SDMX (Statistical Data and Metadata eXchange), an ISO standard
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UN/EDIFACT
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... a method of transporting Linked Data using JSON
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... used to store Linked Data in JSON-based storage engines
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... a concrete RDF syntax
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Schema.org vocabulary may be embedded in an HTML page using ...
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RDF/XML
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JSON-LD
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RDFa
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Microdata
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XML is a file format for
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What is a 'homonym'?
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Every top concept in a skos:ConceptScheme is a skos:Concept
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Taxonomies based on SKOS ...
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... are simple trees but no graphs
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... can be used for auto-classification
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... can be enriched by additional RDF statements
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... can be queried via SPARQL
Frage 11
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... is not downward compatible to OWL 1
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... is equivalent to OWL 1, but is a simpler and more practical version of it
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... is an update to OWL 1 adding several new features
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SPARQL property paths add the ability to match connectivity of two resources by an arbitrary length path
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Which SPARQL 1.1 feature helps to merge data distributed across the Web
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Sub-queries
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Federated queries
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Property paths
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Which of the following graph databases do NOT natively support SPARQL?
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Virtuoso
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GraphDB
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Neo4j
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MarkLogic
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What are Named Graphs good for?
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... describe provenance information of triples
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... for managing sets of RDF data within an RDF store
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... providing means for access control
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... simplify SPARQL queries
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When using a knowledge graph for entity extraction, what will a text mining service based on this most probably return?
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A value for precision and recall
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A search result
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The URIs of extracted entities
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The relevancy rank of a document
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What's the name of the most common RDF model for representing lexical information?
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... is a REST API for mesh-ups based on RDF
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... is a W3C standard for taxonomies
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... is a thesaurus widely used in medicine and pharma industry
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... describes around 4.5 million things in its English version
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... provides localized versions in 125 languages
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... is an RDF Data Set hosted and published using OpenLink Virtuoso
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... allows to ask sophisticated SQL queries against Wikipedia
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Which entity is represented by https://www.wikidata.org/wiki/Q42 ?
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Lewis Carroll
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Douglas Adams
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Czech Republic
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Forward chaining ...
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... is one of the two main methods of reasoning
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... is data-driven but not goal-driven
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... is better suited to dynamic situations than backward chaining
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... is faster than backward chaining
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... applies the inference rules to the known facts to generate new facts
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Sail (The Storage And Inference Layer) is like the JDBC of the RDF database world
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... contains over 100 million placenames that are available for download free of charge
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... is serving up to over 150 million web service requests per day
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... is available as an RDF dump with about 150 mio RDF triples
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One of the largest conference series in the area of Semantic Technologies is named ...
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RDF World
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True Search
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SEMANTiCS
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This quiz is maintained by Semantic Web Company and the PoolParty Team