FORWARD CHAININGcingiser/csc481/chapter...Inference Chaining Generalized Modus Ponens gives us a...

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FORWARD CHAINING Oksana Emerson

Transcript of FORWARD CHAININGcingiser/csc481/chapter...Inference Chaining Generalized Modus Ponens gives us a...

Page 1: FORWARD CHAININGcingiser/csc481/chapter...Inference Chaining Generalized Modus Ponens gives us a natural, intuitive, and reasonably powerful tool to use for inference. There are two

FORWARD CHAINING

Oksana Emerson

Page 2: FORWARD CHAININGcingiser/csc481/chapter...Inference Chaining Generalized Modus Ponens gives us a natural, intuitive, and reasonably powerful tool to use for inference. There are two
Page 3: FORWARD CHAININGcingiser/csc481/chapter...Inference Chaining Generalized Modus Ponens gives us a natural, intuitive, and reasonably powerful tool to use for inference. There are two
Page 4: FORWARD CHAININGcingiser/csc481/chapter...Inference Chaining Generalized Modus Ponens gives us a natural, intuitive, and reasonably powerful tool to use for inference. There are two

Which method to use?

FORWARD CHAINING BACKWARD CHAINING

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Page 5: FORWARD CHAININGcingiser/csc481/chapter...Inference Chaining Generalized Modus Ponens gives us a natural, intuitive, and reasonably powerful tool to use for inference. There are two
Page 6: FORWARD CHAININGcingiser/csc481/chapter...Inference Chaining Generalized Modus Ponens gives us a natural, intuitive, and reasonably powerful tool to use for inference. There are two
Page 7: FORWARD CHAININGcingiser/csc481/chapter...Inference Chaining Generalized Modus Ponens gives us a natural, intuitive, and reasonably powerful tool to use for inference. There are two
Page 8: FORWARD CHAININGcingiser/csc481/chapter...Inference Chaining Generalized Modus Ponens gives us a natural, intuitive, and reasonably powerful tool to use for inference. There are two
Page 9: FORWARD CHAININGcingiser/csc481/chapter...Inference Chaining Generalized Modus Ponens gives us a natural, intuitive, and reasonably powerful tool to use for inference. There are two

Fuzzy Sets and Systems Lecture 4 - basu.ac.ir · Inference rules are tautologies used for making deductive inferences. Examples: modus ponens modus tollens hypothetical syllogism

Fuzzy Sets and Systems Lecture 4 - basu.ac.ir · Inference rules are tautologies used for making deductive inferences. Examples: modus ponens modus tollens hypothetical syllogism

Implementing an Inference Engine for RDFS/OWL Constructs ......• Oracle 11g (2007) introduces a scalable, efficient, forward-chaining based inference engine that supports a subset

Implementing an Inference Engine for RDFS/OWL Constructs ......• Oracle 11g (2007) introduces a scalable, efficient, forward-chaining based inference engine that supports a subset

BACKWARD CHAINING FORWARD CHAINING DAN …

BACKWARD CHAINING FORWARD CHAINING DAN …

Inference in rule-based systems: forward and backward chaining.

Inference in rule-based systems: forward and backward chaining.

The Development of Modus Ponens in Antiquity: From ... · ponens, modus (tollendo) tollens, modus ponendo tollens, and modus tollendo ponens. In late antiquity, arguments of these

The Development of Modus Ponens in Antiquity: From ... · ponens, modus (tollendo) tollens, modus ponendo tollens, and modus tollendo ponens. In late antiquity, arguments of these

Chaining Interrupts

Chaining Interrupts

1 Chapter 9 Inference in first-order logic. 2 Outline Reducing first-order inference to propositional inference Unification Generalized Modus Ponens Forward.

1 Chapter 9 Inference in first-order logic. 2 Outline Reducing first-order inference to propositional inference Unification Generalized Modus Ponens Forward.

Leibnitz FOL Inference - University of Michigan story so far… Propositional Logic Model Checking Forward Chaining Backwards Chaining Resolution First-Order Logic Richer language

Leibnitz FOL Inference - University of Michigan story so far… Propositional Logic Model Checking Forward Chaining Backwards Chaining Resolution First-Order Logic Richer language

DCP 1170 1 Inference in First-Order Logic Proofs – extend propositional logic inference to deal with quantifiers Unification Generalized modus ponens Forward.

DCP 1170 1 Inference in First-Order Logic Proofs – extend propositional logic inference to deal with quantifiers Unification Generalized modus ponens Forward.

ODUS PONENS - APhEx.it

ODUS PONENS - APhEx.it

PAI Recitation 3 – Logic Yuxin Chen 12-10-2012. Inference Truth tables Modus ponens Resolution …

PAI Recitation 3 – Logic Yuxin Chen 12-10-2012. Inference Truth tables Modus ponens Resolution …

eCATT Chaining

eCATT Chaining

Forward Chaining

Forward Chaining

Forward Chaining vs. Backward Chaining - Hinkelmannknut.hinkelmann.ch/lectures/KE2011/KE-4_FC_vs_BC.pdfProf. Dr. Knut Hinkelmann MSc BIS/ 2 Forward Chaining vs. Backward Chaining Logical

Forward Chaining vs. Backward Chaining - Hinkelmannknut.hinkelmann.ch/lectures/KE2011/KE-4_FC_vs_BC.pdfProf. Dr. Knut Hinkelmann MSc BIS/ 2 Forward Chaining vs. Backward Chaining Logical

Backward chaining

Backward chaining

CS 460, Session 16-18 1 Inference in First-Order Logic Proofs Unification Generalized modus ponens Forward and backward chaining Completeness Resolution.

CS 460, Session 16-18 1 Inference in First-Order Logic Proofs Unification Generalized modus ponens Forward and backward chaining Completeness Resolution.

Intelligent Agents€¢ Inference rules and theorem proving – forward chaining – backward chaining – resolution Knowledge bases • Knowledge base = set of sentences in a formal

Intelligent Agents€¢ Inference rules and theorem proving – forward chaining – backward chaining – resolution Knowledge bases • Knowledge base = set of sentences in a formal

1 Inference in First-Order Logic Proofs Unification Generalized modus ponens Forward and backward chaining Completeness Resolution Logic programming.

1 Inference in First-Order Logic Proofs Unification Generalized modus ponens Forward and backward chaining Completeness Resolution Logic programming.

1 Inference in First-Order Logic. 2 Outline Reducing first-order inference to propositional inference Unification Generalized Modus Ponens Forward chaining.

1 Inference in First-Order Logic. 2 Outline Reducing first-order inference to propositional inference Unification Generalized Modus Ponens Forward chaining.

CS 561, Session 16-18 1 Inference in First-Order Logic Proofs Unification Generalized modus ponens Forward and backward chaining Completeness Resolution.

CS 561, Session 16-18 1 Inference in First-Order Logic Proofs Unification Generalized modus ponens Forward and backward chaining Completeness Resolution.