Polarity
subclass of: Resource
subclass of: Thing
type: Class
comment: The kdo:Polarity class is used to express the polarity of sentiments. The predefined instances of this class are: kdo:neutralPolarity, kdo:positivePolarity, kdo:negativePolarity.

involved agent
range: Thing
domain: Thing
type: ObjectProperty
comment: The kdo:involvedAgent property is used to specify the holder of an opinion. An opinion holder is represented by the foaf:Agent class.
domain: Statement
range: Agent
type: Property
domain: http://lodlaundromat.org/.well-known/genid/0aa02fff2552be85f567fa80e6ca4d3a#4
domain: Resource
domain: http://lodlaundromat.org/.well-known/genid/0aa02fff2552be85f567fa80e6ca4d3a#7
domain: http://lodlaundromat.org/.well-known/genid/0aa02fff2552be85f567fa80e6ca4d3a#1
range: Resource

Statement
subclass of: http://lodlaundromat.org/.well-known/genid/0aa02fff2552be85f567fa80e6ca4d3a#7
subclass of: http://lodlaundromat.org/.well-known/genid/0aa02fff2552be85f567fa80e6ca4d3a#1
subclass of: Thing
subclass of: Resource
type: Class
subclass of: http://lodlaundromat.org/.well-known/genid/0aa02fff2552be85f567fa80e6ca4d3a#4
comment: The statement class is the central class in the core of the KD ontology. It serves as a hub that connects sentiments (kdo:hasSentiment), opinions (kdo:hasOpinion), biases (kdo:hasBias), posts (kdo:hasPost), and agents (kdo:involvedAgent). Moreover, each statement may have an expression which is a string literal.

Sentiment
subclass of: Thing
subclass of: Resource
type: Class
comment: The sentiment class represents the sentiments expressed by the opinions and posts. A sentiment can have (kdo:hasPolarity) different types of polarity (positive, negative, and neutral) and a decimal score (kdo:hasScore). It is in the range of kdo:hasSentiment.

News article
subclass of: Resource
subclass of: Thing
type: Class
comment: The kdo:NewsArticle class represents news articles. The news article class is defined because there is no class to represent news articles in the SIOC ontology. The NewsArticle is a subclass of the sioc:Post class which is itself a subclass of the foaf:Document.
subclass of: Post
subclass of: http://lodlaundromat.org/.well-known/genid/0aa02fff2552be85f567fa80e6ca4d3a#1
subclass of: http://lodlaundromat.org/.well-known/genid/0aa02fff2552be85f567fa80e6ca4d3a#4
subclass of: http://lodlaundromat.org/.well-known/genid/0aa02fff2552be85f567fa80e6ca4d3a#7

has polarity
range: Thing
domain: Thing
type: ObjectProperty
comment: The kdo:hasPolarity is used to specify the polarity of a kdo:Sentiment. It has three individuals: kdo:positivePolarity representing the positive orientation, kdo:negativePolarity representing the negative orientation, kdo:neutralPolarity representing the neutral.
domain: Sentiment
range: Polarity
type: Property
domain: Resource
range: Resource

Bias
subclass of: Resource
subclass of: Thing
type: Class
comment: A bias can be attached to a kdo:Statement and can therefore also relate to agents, posts, and opinions. More specifically, a bias can also relate to another bias.

related to
range: Thing
domain: Thing
type: ObjectProperty
comment: Relates one bias to another.
domain: Bias
range: Bias
type: Property
domain: Resource
range: Resource

News web site
subclass of: Resource
subclass of: Thing
type: Class
comment: The kdo:NewsWebsite class represents news publisher containers that are commonly related to a single web site. The NewsWebsite class is defined because there is no container class to represent the news publisher web sites in the SIOC ontology. The NewsWebsite class is defined as a subclass of the sioc:Container.
subclass of: Container

has bias
range: Thing
domain: Thing
type: ObjectProperty
comment: The kdo:hasBias property is used associate a kdo:Bias with a sioc:Post.
domain: http://lodlaundromat.org/.well-known/genid/0aa02fff2552be85f567fa80e6ca4d3a#1
range: Bias
type: Property
domain: Resource
range: Resource

has post
range: Thing
domain: Thing
type: ObjectProperty
comment: This class attaches a statement to a post
domain: Statement
range: Post
type: Property
domain: http://lodlaundromat.org/.well-known/genid/0aa02fff2552be85f567fa80e6ca4d3a#4
domain: Resource
domain: http://lodlaundromat.org/.well-known/genid/0aa02fff2552be85f567fa80e6ca4d3a#7
domain: http://lodlaundromat.org/.well-known/genid/0aa02fff2552be85f567fa80e6ca4d3a#1
range: Resource
range: http://lodlaundromat.org/.well-known/genid/0aa02fff2552be85f567fa80e6ca4d3a#1
range: http://lodlaundromat.org/.well-known/genid/0aa02fff2552be85f567fa80e6ca4d3a#4
range: http://lodlaundromat.org/.well-known/genid/0aa02fff2552be85f567fa80e6ca4d3a#7

has opinion
range: Thing
domain: Thing
type: ObjectProperty
comment: Relates a sioc:Post to a kdo:Opinion.
domain: http://lodlaundromat.org/.well-known/genid/0aa02fff2552be85f567fa80e6ca4d3a#4
range: Opinion
type: Property
domain: Resource
range: Resource

Opinion
subclass of: Thing
subclass of: Resource
type: Class
comment: The opinion class represents is used to contextualize2 provenance, crawling other meta-information. A blank node may be used to represent opinions. Opinions are connected to statement through kdo:hasOpinion.

has sentiment
range: Thing
domain: Thing
type: ObjectProperty
comment: The kdo:hasSentiment property is used to specify which kdo:Sentiment is attached to a sioc:Post.
domain: http://lodlaundromat.org/.well-known/genid/0aa02fff2552be85f567fa80e6ca4d3a#7
range: Sentiment
type: Property
domain: Resource
range: Resource

Negative polarity
type: Polarity
comment: This individual is used to mark a negative polarity.
type: Thing

has expression
type: DatatypeProperty
comment: This property attaches a string literal to a kdo:Statement. This literal should be a text excerpt which states a statement and is extracted from a related post.
domain: Statement
range: string
type: Property
domain: Thing
domain: http://lodlaundromat.org/.well-known/genid/0aa02fff2552be85f567fa80e6ca4d3a#4
domain: Resource
domain: http://lodlaundromat.org/.well-known/genid/0aa02fff2552be85f567fa80e6ca4d3a#7
domain: http://lodlaundromat.org/.well-known/genid/0aa02fff2552be85f567fa80e6ca4d3a#1
range: Resource

Positive polarity
type: Polarity
comment: This individual is used to mark a postitive polarity.
type: Thing

Neutral polarity
type: Polarity
comment: This individual is used to mark a neutral polarity.
type: Thing

has score
type: DatatypeProperty
comment: This property indicates the score of a kdo:Sentiment. This score is denoted as a decimal. However, the range can vary and depends on the implementation of the sentiment extraction process.
domain: Sentiment
range: decimal
type: Property
domain: Thing
domain: Resource
range: Resource

The Knowledge Diversity Ontology
description: The Knowledge Diversity Ontology aims at providing a vocabulary that describes different dimensions of knowledge diversity of the Web. To support the representation of diversity information, the conceptual model of the Knowledge Diversity Ontology includes concepts and relations that were identified and modelled by focusing on real world scenarios in context of customer feedback, news, and Wikipedia opinion mining as well as content and sentiment analysis.
comment: This ontology has been developed in context with the RENDER project.
imports: ns
type: Ontology
preferred namespace prefix: kdo
version info: v2.2
modified: 2012-10-03

Knowledge Diversity Ontology (KDO) Specification