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1answer
129 views

What is the difference between cyber security ontologies and scenario ontologies in this system?

I have been reading the paper Towards a Cognitive System for Decision Support in Cyber Operations. And I have been trying to understand the role of two ontologies proposed here, cyber security ...
0
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1answer
41 views

Does XML covers the representation of any structured data and knowledge

I see nowadays XML is used to structure any file or data. It can represent the flat and hierarchical relations. It even can be used to show the parse tree of a sentence in a natural language. I am ...
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0answers
23 views

How to store linguistic data?

I'm both interested in practical and theoretical aspects of the problem. How do you store linguistic data. Suppose you have stemmed, parsed, tagged and, perhaps even did some preliminary analysis, ...
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0answers
22 views

Can Ontologies be used for defining tactics and technical features?

The generic use of ontologies is defining terms and relations between them in a specific domain. And in some cases they are used with the cognitive architectures to make intelligent agents for ...
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4answers
321 views

What are the practical uses of ontologies?

I have read many papers and books about ontologies and I am trying to figure out that how they are used in a real project? For example how the ontology for a soccer player robot can be defined and ...
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0answers
44 views

Open Standard Prolog Knowledge Bases [closed]

Are there any standard Prolog knowledge bases available anywhere that have the same purpose as Cyc, namely to encode generally accepted common sense and human knowledge? Typically containing ...
1
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1answer
28 views

Semantic information collections on the web. (Semantic Wikipedia)

There are lots of technologies supporting semantic information markup even as wiki software. I am wondering if there is any kind of broad information collection project like Wikipedia which features ...
6
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1answer
223 views

Differences between basic, complex and terminological facts in a Knowledge Base using First-Order Logic

I've been reading the excellent book Knowledge Representation and Reasoning by Ronald Brachman and Hector Levesque. In the beginning of Section 3.2 "Vocabulary" of Chapter 3 "Expressing Knowledge" ...
2
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1answer
361 views

first order logic resolution unification

Assuming I have shown part of the knowledge base in the clausal format: [1] p1(banana). [2] not p1(X) or p2(Y). [3] p1(X) or not p3(F). ... and more rules. ...
6
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1answer
986 views

Are semantic networks ontologies?

I struggle with few definitions in knowledge representation and seek credible help to distinguish between them. I have been searching on wikipedia and many websites for the difference between ...
3
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1answer
163 views

MGU and Variable Standardization - CNF

I have been reading on converting first order logic sentences to conjunctive normal form, and then performing resolution. One of the steps of converting to CNF, is to Standardize variables: rename ...
0
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1answer
119 views

Resolution and incomplete Knowledge Base

Assume I have an incomplete knowledge base, for example: ...
6
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1answer
123 views

How to represent the interests of a Facebook user

I'm trying to figure out a way I could represent a Facebook user as a vector. I decided to go with stacking the different attributes/parameters of the user into one big vector (i.e. age is a vector of ...
6
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1answer
288 views

What Is The Complexity of Implementing a Particle Filter?

In a video discussing the merits of particle filters for localization, it was implied that there is some ambiguity about the complexity cost of particle filter implementations. Is this correct? ...