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Questions tagged [knowledge-representation]

For questions about methods/intuitions/proofs/improvements in the knowledge representation in a problem to be solved by Artificially Intelligent agent.

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1answer
30 views

How would an AI understand grids?

OK, now I think an AI must view grids in a different way to computers. For example a computer would represent a grid like this: ...
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1answer
43 views

Is unsupervised disentanglement really impossible?

In Locatello et al's Challenging Common Assumptions in the Unsupervised Learning of Disentangled Representations he claims to prove unsupervised disentanglement is impossible. His entire claim is ...
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0answers
19 views

How to create a text adventure for a puck collecting robot?

A robot simulation is provided, which was created with the Box2d physics engine. The human operator can rotate the robot around it's current position, he can open the gripper and it's possible to move ...
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5answers
6k views

Why do we need common sense in AI?

Let's consider this example: It's John's birthday, let's buy him a kite. We humans most likely would say the kite is a birthday gift, if asked why it's being bought; and we refer to this reasoning ...
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0answers
18 views

Is there any readily available concept/topic tree?

I am looking for dataset in tree structure that captures the hierarchy of concepts. For example, something like, ...
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0answers
35 views

What is the difference between Knowledge Representation and Automated Reasoning?

Knowledge Representation and Automated Reasoning are two AI subfields which seem to have something to do with reasoning. However, I can't find any information online about their relationship. Are ...
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1answer
48 views

Are Relational DBs and SQL used in Expert Systems?

In the book Prolog Programming for Artificial Intelligence, a large and intricate chapter is dedicated to Expert Systems. In these systems, a knowledge-database is represented through facts and rules ...
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2answers
35 views

Was Nils Nilsson wrong with probabilistic knowledge representation?

He starts his paper from 1987 [1] with a reference to the PROSPECTOR expert system which was using Bayes rules to handle uncertain knowledge. Then he explains the idea behind probabilistic logic which ...
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0answers
13 views

Logically infering using resolutions

How can I know if it is possible to logically infer both sentences from the given database? (Using first order logic) My basic assumptions are that(because of dealing with AI): Closed world ...
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0answers
35 views

Formulation of a sentence using FOL

I want to formulate the following sentence using FOL; I want also to know whether there any contradictions in it, or if it is consistent. Assuming human relations are binary: All Human Relations ...
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0answers
51 views

ChatBot applications [Academia]

I am in education and I'm wondering about the use of chatbot-like tools to facilitate automated discussions among students. The chatbot domain of knowledge would be purposely restricted to a specific ...
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1answer
51 views

Learning similarities between customers and offers representation

I am interested in a framework for learning the similarity of different input representations based on some common context. I have looked into word2vec, SVD and siamese networks, all of which are ...
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2answers
158 views

When is knowledge base consistent?

I am studying a knowledge base (KB) from the book "Artificial Intelligence: A Modern Approach" (by Stuart Russell and Peter Norvig) and from this series of slides. A formula is satisfiable if there ...
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2answers
73 views

Where to start to develop an AI model which can learn from a book?

What are the steps involved to create an AI agent which can do the following can learn from text in digital format from a book Gain knowledge from the digital text input Can answer question from the ...
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1answer
59 views

What are the current trends/open questions in logics for knowledge representation?

What are the future prospects in near future from a theoretical investigation of description logics, and modal logics in the context of artificial intelligence research?
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1answer
36 views

What are “function terms” in the context of an ontology?

I was going through the Wikipedia page on ontology components and noticed something that I had been hoping to find, for a long time. In the components' overview it mentioned: Function terms: ...
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1answer
145 views

How to implement an artificial network that outputs an integer within a range?

The goal is to implement an artificial network that, based on training samples labelled with positive integers, outputs a positive integer. Perhaps I am not searching for the correct thing but all ...
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1answer
160 views

Logic for a knowledge based expert system

Basically, I want a system that reads blobs of text, parses it and stores related chunks and when the user asks a question, it returns with an in-context answer which groups together a bunch of facts. ...
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4answers
978 views

Can prior knowledge be encoded in deep neural networks?

I was reading Gary Marcus's a Critical Appraisal of Deep Learning. And one of his criticisms is that neural networks don't incorporate prior knowledge in tackling a problem. My question is, has there ...
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2answers
3k views

Training an AI to play Starcraft 2 with superhuman level of performance?

I'm interested in working on challenging AI problems, and after reading this article (https://deepmind.com/blog/deepmind-and-blizzard-open-starcraft-ii-ai-research-environment/) by DeepMind and ...
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2answers
123 views

How to use knowledge representation and planning to create or edit an algorithm?

For example, There is a list of function names If we choose "index" and "sort" and "probability" Index(sort(probability(data))) This form an simple algorithm Is there any python library for ...
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2answers
151 views

As a starter: what is the form of training data for image processing

What we are doing in the image processing training. We are storing some form of data which is going to act as the knowledge or experience of the system. In which form can the system store it's ...
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0answers
77 views

Answer Set Programming - Make a Fact INVALID

I have a question regarding Answer Set Programming on how to make an existing fact invalid, when there is already (also) a default statement present in the Knowledge Base. For example, there are two ...
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2answers
1k views

Logic-based vs rule-based AI

I always thought rule-based was synonymous with logic-based AI. Logic has axioms and rules of inference, whereas rule-based ai has a knowledge base (essentially axioms) and if-then rules to create new ...
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3answers
340 views

What is meant by “known” in “A knowledge-base exhibits complete knowledge iff for every P (within its vocabulary) P or ~P is known”

I have a question as to what it means for a knowledge-base to be consistent and complete. I've been looking into non-monotonic logic and different formalisms for it from the book "knowledge ...
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1answer
810 views

I wonder what roles the knowledge base play now and will play in the future?

Nowadays Artificial Intelligence seems almost equal to machine learning, especially deep learning. Some have said that deep learning will replace human experts, traditionally very important for ...
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0answers
448 views

Translate English Sentences into First-Order Logic without quantifiers

I have to translate the following English sentences into First-Order Logic without using quantifiers: ...
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2answers
211 views

What does Brooks mean by Representation?

So for a class I'm reading Brooks' "Intelligence without representation". The introduction is dedicated to slating Representation as a focus for AI development. I've read that representation is the ...
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2answers
291 views

Has any schema-agnostic database engine been implemented?

Has any schema-agnostic database engine been implemented?
9
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1answer
243 views

Role of bayesian inference in reasoning systems

I've been struggling with the connection between knowledge based AI systems and Bayesian inference for a while now. While I continue to sweep through the literature, I would be happy if someone can ...
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3answers
369 views

How could human behavior and relationships be implemented?

One of the most compelling issues regarding AI would be in behavior and relationships. What are some of the methods to address this? For example, friendship, or laughing at joke? The concept of ...
9
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2answers
394 views

How can an AI system develop its domain knowledge? Is there more than just Machine Learning?

So machine learning allows a system to be self-automated in the sense that it can predict the future state based on what it has learned so far. My question is: Are machine learning techniques the only ...
6
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2answers
361 views

Wisdom representation?

For years I have been dealing with (and teaching) Knowledge Representation and Knowledge Representation languages. I just discovered that in another community (Information Systems and the such) there ...
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2answers
321 views

Is anybody still using Conceptual Dependency Theory?

Roger Schank did some interesting work on language processing with Conceptual Dependency (CD) in the 1970s. He then moved somewhat out of the field, being in Education these days. There were some ...
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1answer
45 views

Are there emergent models of time in robots?

I am interested in the emergence of properties in agents, and, more generally in robotics. I was wondering if there is work on the emergence of time-related concepts, on the low-level representation ...