Questions tagged [ontology]

For questions related to ontologies, their role in artificial intelligence (AI), or the use of AI for developing ontologies (a field called ontology learning).

See A survey of ontology learning techniques and application (2018) for an introduction to the concept of ontology and ontology learning.

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What are ontologies in AI?

What exactly are ontologies in AI? How should I write them and why are they important?
oren revenge
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Examples of ontologies made with AI

I'm looking for more or less successful artificial intelligence usage examples to build an ontology or rationale why it can't be done. I found a lot of articles on how to use ontologies for AI, but not succeded vice versa.
AndriuZ
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What are examples of AI that use philosophy derived ontologies?

I'm looking for AI systems or natural language processors that use, in the classification and interrelation of notions/objects, some philosophical system, like basic laws of logic, Kantian or empiricism. I have also read about goal-seeking…
user5977
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Can intelligent agents have personalities and emotions?

Can intelligent agents (and chatbots) have personalities and emotions, given a properly defined ontology?
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How are theories represented using Conceptual Graphs?

Theory 1 shows three axioms and two definitions, written in First Order Logic (FOL), that represents a fragment of a mereology theory. For this posting, it is important that the set of axioms is considered as a theory (i.e. a set of axioms together…
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What is the place of ontologies in artificial intelligence?

Very much a general question here, from a somewhat uneducated perspective. I'm currently part way through an MSc in AI, and at the minute I am taking a module on Knowledge Engineering and Computational Creativity. The professor taking the class…
ofithch79
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What is the difference between a semantic network and an ontology?

What is the difference between a semantic network and an ontology? How are they related? I have not found any article that describes how these two concepts are related.
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What are other types of knowledge bases except entity-entric KB?

I learned a term entity-centric knowledge base, then I wonder what the non entity-centric knowledge graphs are? I googled by keys words "entity-centric knowledge base vs" and got some articles with this most related one: A comparison between…
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Apart from ontologies, which other methods for knowledge representation are there in Artificial Intelligence?

From what I have been reading, I see statements like Ontology is a common method used for knowledge representation in artificial intelligence. But there is never really a discussion around what other options are available. To allow me to research…
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Is there an algorithm to calculate the weights of an ontology tree's inner nodes?

I have a tree that represents a hierarchical ontology of computer science topics (such as AI, data mining, IR, etc). Each node is a topic, and its child nodes are its sub-topics. Leaf nodes are weighted based on their occurrence in a given…
Nina
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Are there any existing ontologies that model engineering data?

Are there any existing ontologies available for "engineering" data? By "engineering" I mean pertaining to the fields of electrical, mechanical, thermal, etc., engineering.
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How would we define a set that contains itself within a knowledge ontology?

How would we define a set that contains itself within a knowledge ontology? I am thinking that set membership would probably inherit from a generic base class of total containment from which both physical containment and conceptual containment are…
polcott
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How do I show the relationship between theories and models using Conceptual Graphs?

The Mereology Theory below contains three first-order axioms that represent a part of a mereology theory. For this posting, it is important that the set of axioms should be considered as a theory. Mereology Theory Reflexivity $\forall x :…