RDF (Resource Description Framework) test answers of 2016.

In this post you can find Complete and recently updated Correct Question and answers of RDF (Resource Description Framework). All Answers updated regularly with new questions. Upwork RDF (Resource Description Framework) test answers of 2016.

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Question:* What is the conventional order of an RDF triple?

Answer: • Subject, Predicate, Object

Question:* The object is …

Answer: • URI, blank node or a Unicode string literal

Question:* In the context of RDF, what does atemporal mean?

Answer: • Its information doesn't change with time.

Question:* RDF triples may be stored in a type of database called a …

Answer: • triplestore

Question:* What value space is affiliated with the gregorian calendar month and day?

Answer: • xsd:gMonthDay

Question:* The literal “<“1”, xsd:boolean>” would render what value?

Answer: • True.

Question:* Blank nodes are disjoint IRIs and literals. What does this mean?

Answer: • It means that they share no common element.

Question:* The predominant query language for RDF graphs is...

Answer: • SPARQL

Question:* What does RDF Schema (RDFS) do?

Answer: • introduces the notion of a class

Question:* What does RDF's core structure syntax consist of?

Answer: • Subject, Predicate, Object

Question:* How namespaces are declared?

Answer: • at the top with the @prefix directive

Question:* Subject in the statement "snow has a white color" is...

Answer: • snow

Question:* Why does RDF provide HTML content as a possible literal value?

Answer: • This feature allows for markup in literal values.

Question:* The full IRI <foo#bar> is used to denote what two representations?

Answer: • Primary source, and fragment.

Question:* Once minted, when will an IRI change its referent?

Answer: • Never.

Question:* Are there any difference between RDF and XML format?

Answer: • yes

Question:* What is a generalized RDF graph?

Answer: • A set of generalized RDF triples.

Question:* Is it possible to serialize RDF as JSON?

Answer: • yes

Question:* What is content negotiation?

Answer: • The practice of making multiple representations of the same content available.

Question:* What is OWL?

Answer: • Web Ontology Language

Question:* Is it possible to use a commas in N3 if many statements repeat the same subject and predicate?

Answer: • yes

Question:* Which is more comfortable human-readable form of the RDF?

Answer: • Notation 3 (or N3)

Question:* What is FOAF?

Answer: • "Friend of a Friend"

Question:* Can we use variables in a graph pattern? (SPARQL)

Answer: • yes

Question:* Can we use an underscore “_“ prefix for representing blank nodes in N3?

Answer: • yes

Question:* What is 'triple'?

Answer: • subject-predicate-object

Question:* Which is an example of a namespace prefix?

Answer: • rdfs

Question:* Despite being atemporal, can RDF display information related to time?

Answer: • Yes.

Question:* What is called anonymous resource?

Answer: • Resource indicated by blank node

Question:* What does the acronym, RDF mean?

Answer: • Resource Description Framework

Question:* What are collectively known as RDF terms?

Answer: • IRIs, literals, and blank nodes

Question:* Can graph patterns contain more than one statement? (SPARQL)

Answer: • yes

Question:* RDF is a...

Answer: • Resource Description Framework

Question:* In the context of an RDF graph, what are the Subject and Object considered?

Answer: • A node.

Question:* Can we use a WHERE statement in SPARQL?

Answer: • yes

Question:* What is RDFS?

Answer: • RDF Schema

Question:* Datatypes are used with what?

Answer: • RDF Literals

Question:* Datatypes are comprised of what three components?

Answer: • Lexical space, value space, and lexical-to-value mapping.

Question:* What is RDF?

Answer: • standard for encoding metadata and other knowledge on the Semantic Web

Question:* RDF can be stored…

Answer: • in a variety of formats

Question:* What kind of graph is a generalized RDF dataset comprised of?

Answer: • A generalized RDF graph.

Question:* Does RDF/XML allow further abbreviating RDF URI references within XML attributes?

Answer: • Yes

Question:* IEEE floating point numbers with an xsd:double datatype is how many bits?

Answer: • 64

Question:* What is the resource denoted by an IRI also called?

Answer: • Its referent

Question:* Where is RDF vocabulary intended to be used?

Answer: • RDF graphs

Question:* How URI can be used in RDF?

Answer: • for determining the subject, predicate and object

Question:* What is URI?

Answer: • Uniform Resource Identifier

Question:* For what can be xml:lang attribute in RDF/XML used?

Answer: • for identification of content language

Question:* The registered name, “genid” uses what scheme?

Answer: • HTTP, or HTTPS

Question:* What is an IRI also known as?

Answer: • A literal.

Question:* When was RDF invented?

Answer: • in 90th

Question:* What is N3?

Answer: • Notation 3

Question:* What are some examples of values that literals are used for?

Answer: • Strings, numbers, and dates.

Question:* When IRI's are dereferenced, what is now happening to them?

Answer: • They are serving as starting points for interactions with a remote server.

Question:* The xsd:boolean datatype is usually denoted as what valuespace?

Answer: • True, false.

Question:* How many types of queries does the SPARQL language have?

Answer: • 4

Question:* The first higher-level predicate is the ... predicate

Answer: • rdf:type

Question:* What is RDF triple known as?

Answer: • RDF Statement

Question:* A globally unique IRI is also referred to as a?

Answer: • Skolem IRI

Question:* Each property XML node represents a...

Answer: • single statement

Question:* Is it possible to use a semicolon in N3 if the same subject is repeated but with different predicates?

Answer: • yes

Question:* When are two IRIs considered equal?

Answer: • When they are in accordance with Simple String Comparison.

Question:* How should begin the name of the variable? (SPARQL)

Answer: • with a question mark

Question:* Can a generalized RDF triple subject be an IRI, blank node, or literal?

Answer: • Yes.

Question:* Can we use square brackets ([...]) for representing blank nodes in N3?

Answer: • yes

Question:* Must two term-equal literals directly correlate character-by-character?

Answer: • Yes.

Question:* Are standard RDF graphs static, or dynamic?

Answer: • Static.

Question:* Can primary resources have multiple representations?

Answer: • Yes.

Question:* How many serialization format(s) is (are) used?

Answer: • 2

Question:* What is canonical mapping?

Answer: • The prescribed subset of the inverse of lexical mapping.

Question:* When a literal is a language-tagged string and has a badly-formed language tag, what kind of error occurs?

Answer: • Syntactical.

Question:* How many types of XML nodes can be in a RDF/XML document?

Answer: • 2

Question:* Does the term namespace have a clearly stated meaning within this context?

Answer: • No

Question:* How many ways are there to represent blank nodes in N3?

Answer: • 2

Question:* What is lexical-to-value mapping used for in the context of the rdf:HTML datatype?

Answer: • An algorithm used to associate lexical space with value space.

Question:* Statements in XML nodes can be represented as…

Answer: • resources OR literal values

Question:* What does it mean to say that an IRI is global in scope?

Answer: • It means that two different appearances of an IRI may denote the same resource.

Question:* What kind of resources do blank nodes denote?

Answer: • None. They merely imply a relationship.

Question:* Resource XML nodes contain within them only…

Answer: • property XML nodes

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