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... focuses on the relation between words, phrases, signs, and symbols, and what they stand for
... is the study of meaning
The Semantic Web ...
... is an advanced search technology
... allows data to be shared and reused across application, enterprise, and community boundaries
... visualizes things and how they are related to each other
... refers to W3C’s vision of the Web of linked data
... is a knowledge base which is open for anybody under a CC-BY license
What means 'RDF'?
Rich Text Format
Resource Description Format
Resource Description Framework
The RDF Data Cube Vocabulary is compatible with ...
The Data Documentation Initiative (DDI)
SDMX (Statistical Data and Metadata eXchange), an ISO standard
JSON-LD is ...
... a method of transporting Linked Data using JSON
... used to store Linked Data in JSON-based storage engines
... a concrete RDF syntax
Schema.org vocabulary may be embedded in an HTML page using ...
XML is a file format for
What is a 'homonym'?
A synonym for 'synonym'
A concept that is in some way more general than another one
A word that shares the same written form as another word with a different meaning
Every top concept in a skos:ConceptScheme is a skos:Concept
Taxonomies based on SKOS ...
... are simple trees but no graphs
... can be used for auto-classification
... can be enriched by additional RDF statements
... can be queried via SPARQL
OWL 2 ...
... is not downward compatible to OWL 1
... is equivalent to OWL 1, but is a simpler and more practical version of it
... is an update to OWL 1 adding several new features
SPARQL property paths add the ability to match connectivity of two resources by an arbitrary length path
Which SPARQL 1.1 feature helps to merge data distributed across the Web
Which of the following graph databases do NOT natively support SPARQL?
What are Named Graphs good for?
... describe provenance information of triples
... for managing sets of RDF data within an RDF store
... providing means for access control
... simplify SPARQL queries
When using a knowledge graph for entity extraction, what will a text mining service based on this most probably return?
A value for precision and recall
A search result
The URIs of extracted entities
The relevancy rank of a document
What's the name of the most common RDF model for representing lexical information?
... is a REST API for mesh-ups based on RDF
... is a W3C standard for taxonomies
... is a thesaurus widely used in medicine and pharma industry
... describes around 4.5 million things in its English version
... provides localized versions in 125 languages
... is an RDF Data Set hosted and published using OpenLink Virtuoso
... allows to ask sophisticated SQL queries against Wikipedia
Which entity is represented by https://www.wikidata.org/wiki/Q42 ?
Forward chaining ...
... is one of the two main methods of reasoning
... is data-driven but not goal-driven
... is better suited to dynamic situations than backward chaining
... is faster than backward chaining
... applies the inference rules to the known facts to generate new facts
Sail (The Storage And Inference Layer) is like the JDBC of the RDF database world
... contains over 100 million placenames that are available for download free of charge
... is serving up to over 150 million web service requests per day
... is available as an RDF dump with about 150 mio RDF triples
One of the largest conference series in the area of Semantic Technologies is named ...
This quiz is maintained by Semantic Web Company and the PoolParty Team