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3097019
Semantic Web
Description
The ultimate test whether you are a Semantic Web expert. Maintained by the Semantic Web Company (http://www.semantic-web.at/)
No tags specified
semantic web
linked data
rdf
Quiz by
Andreas Blumauer
, updated more than 1 year ago
More
Less
Created by
Andreas Blumauer
over 9 years ago
1277
2
0
Resource summary
Question 1
Question
Semantics ...
Image:
fc76f17d-a0ae-4bea-9b19-1a81825a6ae3 (image/png)
Answer
... focuses on the relation between words, phrases, signs, and symbols, and what they stand for
... is the study of meaning
Question 2
Question
The Semantic Web ...
Image:
82ab983e-7d53-4ed1-a556-f91f07b85edb (image/png)
Answer
... 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
Question 3
Question
What means 'RDF'?
Image:
b5ab7b14-47d1-4f3d-9d2a-bdf20701290e (image/jpeg)
Answer
Rich Text Format
Resource Description Format
Resource Description Framework
Question 4
Question
The RDF Data Cube Vocabulary is compatible with ...
Image:
44586187-5e72-4d9a-ba94-ea06d5f2e999 (image/jpg)
Answer
The Data Documentation Initiative (DDI)
SDMX (Statistical Data and Metadata eXchange), an ISO standard
UN/EDIFACT
Question 5
Question
JSON-LD is ...
Image:
4d3d7d6c-c800-472b-b807-fd7625487381 (image/png)
Answer
... a method of transporting Linked Data using JSON
... used to store Linked Data in JSON-based storage engines
... a concrete RDF syntax
Question 6
Question
Schema.org vocabulary may be embedded in an HTML page using ...
Image:
36dabf78-4177-4cba-9133-db4ca6af32ea (image/png)
Answer
RDF/XML
JSON-LD
RDFa
Microdata
Question 7
Question
XML is a file format for
Image:
96c42c02-5ad7-49c2-9000-0fbbc2d24562 (image/png)
Answer
RDF
JSON-LD
Question 8
Question
What is a 'homonym'?
Image:
cada255e-3aed-4608-a822-a51768f79e4d (image/png)
Answer
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
Question 9
Question
Every top concept in a skos:ConceptScheme is a skos:Concept
Image:
0b5e396e-308f-4d6f-a526-5f1181c58221 (image/png)
Answer
True
False
Question 10
Question
Taxonomies based on SKOS ...
Image:
d418c1f3-5073-4e5f-880a-79e48267eaed (image/jpg)
Answer
... are simple trees but no graphs
... can be used for auto-classification
... can be enriched by additional RDF statements
... can be queried via SPARQL
Question 11
Question
OWL 2 ...
Image:
a04ae9d6-8ead-4cd7-b111-6487490148aa (image/png)
Answer
... 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
Question 12
Question
SPARQL property paths add the ability to match connectivity of two resources by an arbitrary length path
Image:
f39a8d95-dcd5-4c64-b4a0-40357b784506 (image/png)
Answer
True
False
Question 13
Question
Which SPARQL 1.1 feature helps to merge data distributed across the Web
Image:
87c3e08a-1f9e-4827-9ef7-ccc85399e18d (image/png)
Answer
Sub-queries
Federated queries
Property paths
Question 14
Question
Which of the following graph databases do NOT natively support SPARQL?
Image:
01f1a1ed-2bc1-4b48-9b3c-a7e49f77fb68 (image/png)
Answer
Virtuoso
GraphDB
Neo4j
MarkLogic
Question 15
Question
What are Named Graphs good for?
Image:
a1d6126f-2646-466e-a640-9d53bfc14823.JPG (image/JPG)
Answer
... describe provenance information of triples
... for managing sets of RDF data within an RDF store
... providing means for access control
... simplify SPARQL queries
Question 16
Question
When using a knowledge graph for entity extraction, what will a text mining service based on this most probably return?
Image:
9a5cf2f4-2776-4db9-94dd-970d5735f290 (image/png)
Answer
A value for precision and recall
A search result
The URIs of extracted entities
The relevancy rank of a document
Question 17
Question
What's the name of the most common RDF model for representing lexical information?
Image:
a13511c6-dbc4-4304-ac87-adbe288763d9.JPG (image/JPG)
Answer
Ontolex
Wordnet
Lemon
Question 18
Question
MeSH ...
Image:
8324defb-e60c-400e-bd31-315dc4e9b5d1 (image/png)
Answer
... 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
Question 19
Question
DBpedia ...
Image:
d9dc4c69-9e85-422f-a07a-5125637dd659 (image/png)
Answer
... 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
Question 20
Question
Which entity is represented by https://www.wikidata.org/wiki/Q42 ?
Image:
d0dce864-53dc-4551-871b-fc4737559b61 (image/png)
Answer
Lewis Carroll
Douglas Adams
Czech Republic
Question 21
Question
Forward chaining ...
Image:
08c0225f-2fa6-4e49-887f-4d8ffb1eac93 (image/jpg)
Answer
... 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
Question 22
Question
Sail (The Storage And Inference Layer) is like the JDBC of the RDF database world
Image:
4c7b59ab-8aae-4b5d-9262-9a5e1aa10cc7 (image/png)
Answer
True
False
Question 23
Question
Geonames ...
Image:
eb8e2270-3110-47ae-bebd-62e7ba8e76d0 (image/png)
Answer
... 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
Question 24
Question
One of the largest conference series in the area of Semantic Technologies is named ...
Answer
RDF World
True Search
SEMANTiCS
Question 25
Question
This quiz is maintained by Semantic Web Company and the PoolParty Team
Image:
77dab303-22ba-41f0-a482-3da880299d7d (image/png)
Answer
True
False
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