Elance RDF (Resource Description Framework) Test Answers



What is the conventional order of an RDF triple?

Object, Predicate, Subject
Object, Object, Subject
Subject, Predicate, Object
Subject, Subject, Object.

 

 

The registered name, “genid” uses what scheme?

HTML, or SMTP
PHP, or HTP
HTTPS, or SMTP
HTTP, or HTTPS

 

 

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

None of the above
Notation 3 (or N3)
RDF/XML

 

 

What is the resource denoted by an IRI also called?

Its itinerant
Its referent
Its referee
Its inherent

 

 

How namespaces are declared?

at the top with the @prefix directive
at the bottom with the @prefix directive
at the bottom with the $ sign
at the top with the $ sign

 

 

What does RDF Schema (RDFS) do?

Nothing
introduces the notion of a class
connects a few documents with each other

 

 

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

A node.
A point.
Parallels.
A predicate.

 

 

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

They are serving as starting points for interactions with a remote server.
They are endpoints for a large network.
It means that they are isolated from eachother.
It means that they are together in clusters.

 

 

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

for identification of content language
for identification a user's language
None of the above
for identification a browser's language

 

 

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

64
16
32
8

 

 

What is RDF triple known as?

RDF Suggestion.
RFD Statement.
RDF Statement
RDF Subject.

 

 

Where is RDF vocabulary intended to be used?

RDF libraries
RDF graphs
FDR graphs
RDF literals

 

 

What kind of graph is a generalized RDF dataset comprised of?

A specific RDF matrix.
A sub-lexical semantic statement.
A generalized RDF graph.
A linear RDF predicate.

 

 

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

no
yes

 

 

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

No.
False.
Yes.
True.

 

 

RDF can be stored…

in a variety of formats
only in XML format
in XML or HTML format

 

 

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

no
yes

 

 

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

It means that they share a common element.
It means that they have different elements, however they correlate indirectly.
It means that they share all common elements.
It means that they share no common element.

 

 

What are collectively known as RDF terms?

IRIs, laterals, and blank nodes.
IRIs, literals, and black nodes.
IRAs literals, and bank notes.
IRIs, literals, and blank nodes

 

 

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

MonthxDayx
xMonthxDay
xsd:gDayMonth
xsd:gMonthDay

 

 

The object is …

node
URI, blank node or a Unicode string literal
UTF-8 literal
URI

 

 

What is URI?

Unicode Resource Identifier
Universal Race Identification
Uniform Resource Identifier

 

 

The predominant query language for RDF graphs is...

None of the above
SPARQL
PHP
SQL

 

 

Datatypes are comprised of what three components?

Lexical space, value space, and lexical-to-value mapping.
Logical space, valuable space, and logic-to-value mapping.
Laboratory space, valve space, and lexical-to-value mapping.
Lexical space, volume space, and lexical-to-volume mapping.

 

 

What is RDF?

standard for encoding metadata and other knowledge on the Semantic Web
some kind of a hypertext language
it is a style sheet language used for describing the presentation semantics (the look and formatting) of a document written in a markup language

 

 

When are two IRIs considered equal?

When they are in accordance with Simple String Comparison.
When they align with string theory.
When they equal each other.

 

 

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

snow
has a white
None of the above
color

 

 

What is a generalized RDF graph?

A set of context-dependent quadruples.
A set of distinct RDF doubles.
A group of context-free nodes.
A set of generalized RDF triples.

 

 

What is 'triple'?

subject-predicate-object
object-predicate-object
subject-predicate-subject
None of the above

 

 

What does RDF's core structure syntax consist of?

Subject, Contact, Object
Subject, Preference, Context
Subject, Object, Context
Subject, Predicate, Object

 

 

Datatypes are used with what?

RDF Literals
FRD Laterals.
FDR literals.
RDF Liberals.

 

 

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

0,1
True, false.
Yes, no
1, 0

 

 

What is content negotiation?

The practice of making two different resources unavailable to eachother.
The practice of pitting different content against one another.
The practice of making multiple representations of the same content available.
The practice of making multiple representations of different content available.

 

 

How URI can be used in RDF?

for determining ONLY the subject
for determining ONLY the object
for determining ONLY the predicate
for determining the subject, predicate and object

 

 

What is called anonymous resource?

Resource indicated by blank node
Any URI
Any resource
None of the above

 

 

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

Primary source, and fragment.
Primary source, and figment.
Tangent, and figment.
Secondary source, and tangent.

 

 

RDF is a...

None of the above
Resource Document Format
Records Description Format
Resource Description Framework

 

 

Once minted, when will an IRI change its referent?

Monthly.
Yearly.
Never.
Daily.

 

 

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

This feature allows for increased lexical space.
This feature allows for markup in literal values.
This value allows for more syntactical leeway.
This feature allows for a more defined predicate.

 

 

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

Yes, however the displayed information causes RDF to no longer be atemporal.
No.
Yes.

 

 

What is N3?

network's name
Notation 3
name of the XML node

 

 

What is FOAF?

None of the above
"Friend of a Friend"
"Friend of A Fred"
"Friend of A Farmer"

 

 

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

yes
no

 

 

Can we use a WHERE statement in SPARQL?

yes
no

 

 

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

no
yes

 

 

What is OWL?

Web Oak Language
Web Ontology Language
None of the above
Web Onyx Language

 

 

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

Semantic.
Syntactical.
Lexical.
Subliminal.

 

 

What is an IRI also known as?

A liberal.
A lateral.
A literal.
A logical.

 

 

What is RDFS?

RDF Schema
RDF Structure
RDF Shape

 

 

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

rdfstorage
triplestore
xmlstorage
None of the above

 

 

When was RDF invented?

a few years ago, in 2010
in 90th
in 2000th

 

 

Is it possible to serialize RDF as JSON?

no
yes

 

 

Which is an example of a namespace prefix?

dfds
fdfs
sdsf
rdfs

 

 

What does the acronym, RDF mean?

Resource Destination Framework
Rescue Description Force
Resource Description Framework
Random Dimension Framework

 

 

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

It means that two different appearances of an IRI may denote the same resource.
It means that global IRIs denote a single resource.
It means that one appearance of an IRI denotes resources that are global in scale.
It means that the source of the inherent is global.

 

 

What are some examples of values that literals are used for?

Subjects, objects, and predicates.
Strings, sources, objects.
Strings, numbers, and dates.
Nodes, clusters, and laterals.

 

 

Must two term-equal literals directly correlate character-by-character?

Yes.
Yes, and they can be off by two characters.
No.
No, but they can be off by one character only.

 

 

Can primary resources have multiple representations?

No.
Only when they share the same lexical space.
Yes.
Yes, but only when they share the same lexical-to-value mapping.

 

 

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

No, only a blank node, or literal.
Yes.
No, only an IRI and a literal.
No, only a IRI, and blank node paired together.

 

 

A globally unique IRI is also referred to as a?

Sultan IRI
Slalom IRI
Skolem IRI
Sultry IRI

 

 

Each property XML node represents a...

None of the above
single or multiple statements
single statement
multiple statements

 

 

How many types of queries does the SPARQL language have?

10
15
1
4

 

 

Are there any difference between RDF and XML format?

no
yes

 

 

In the context of RDF, what does atemporal mean?

Its information changes with time.
Its information changes with space.
Its information only changes with time and space.
Its information doesn't change with time.

 

 

The first higher-level predicate is the ... predicate

rdf:type
rdf:first
rdf:begin

 

 

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

no
yes

 

 

How should begin the name of the variable? (SPARQL)

with a dollar sign
None of the above
with a question mark
with an exclamation mark

 

 

What is canonical mapping?

The logical inverse of the subset of prescribed lexical mapping.
The prescribed subset of the inverse of lexical mapping.
The lexical inverse of prescribed mapping.
The mapped inverse of lexical statements.

 

 

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

Yes
No

 

 

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

yes
no

 

 

Resource XML nodes contain within them only…

any XML nodes
None of the above
property XML nodes

 

 

Are standard RDF graphs static, or dynamic?

Both static and dynamic.
Dynamic.
Static.
Depending on the context, it can be static, or dynamic.

 

 

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

7
3
None of the above
2

 

 

What kind of resources do blank nodes denote?

Implied resources.
Logical resources.
Related resources.
None. They merely imply a relationship.

 

 

How many serialization format(s) is (are) used?

1
5
7
2

 

 

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

An algorithm used to associate lexical space with value space.
A mapping system used to define logical and value space. IRI, blank node, or literal
An algorithm used to map lexical space.
An algorithm used to disassociate logical space from value space.

 

 

Statements in XML nodes can be represented as…

only resources
resources AND literal values
resources OR literal values

 

 

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

None of the above
2
4
as many, as we want

 

 

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

No
Yes.
Not within the context of this section, but in other sections.
It can, depending on how the concepts are logically arranged.

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