Hybrid Intelligent Systems

Hybrid Intelligent SystemsRajendra M Sonar, Ph.D.SJM School of Management,Indian Institute of Technology BombayMumbai-400 076rm_sonar@iitb.ac.in1Intelligent Systems2How problems are solved?Knowledge + Use and apply the knowledge(Tools/Technique/..)= Problem SolvingKnowledge?- facts, ideas that have been acquired through experience, investigation and observations3How to make a machine intelligent?Write code to use Represent the Intelligent +and apply the =Knowledge SystemknowledgeGet the Learn and From past KnowledgeUnderstandexamples/solved problems etc.extractExtract from How to get the expert/s (or knowledge?documented sources)4Rule-basedBackwardKnowledge Reasoning Semantic NetForwardExpert System,PresentationPredicate LogicTechniquesCase-basedNeural Networks,Similarity…|Fuzzy Systems,Frames…Case-based Systems…Write code to use Represent the Intelligent +and apply the =Knowledge SystemknowledgeDealing with Incomplete Information and UncertaintyExplanationGet the Retrieve, Learn From past Knowledgeexamples/solved and Understandproblems etc.Structuring, Storage, RetrievalIndexing…ExtractKnowledge ElicitationProtocol AnalysisExtract from Questionnairsexpert/sRepertery Grid AnalysisAutomated Tools…5Intelligent techniques differ in ways theyAcquire and get the knowledgeRepresent and store the knowledgeUse and apply the knowledge Deal with uncertainty and incomplete information Deal with and adapt to new problemsRetain/Revise the knowledgeExplain the problem solving6Widely used intelligent techniques to develop intelligent systemsRule-based ReasoningNeural NetworksCase-based ReasoningFuzzy SystemsGenetic AlgorithmsModel-based Reasoning7Comparing Intelligent Systems(expert system, CBR and ANN)8FoundationRBRLL oo ggi icc ANNBBi iool loo ggi icc aal l nn ee rvrv oo uu ss ss yy ssttee mm CBRHH uu mm aa nn RR ee aa ss oo nni inn gg 9Knowledge Containers and Model complexity RBRKK nn oo wwl lee dd gg ee iiss ee xx ppl liicci itt iinn tthh ee ffoorrmm ooff ss eett ooff rurul lee ss,, rurul lee ss aa rere ee aa ssi iee r r ttoo uu nn dd eerrssttaa nn dd KK nn oo wwl lee dd gg ee iiss iimm ppl liicci itt (i(i nn tthh ee ffoo rmrm nn ee uu raral l nn eettww oo rkrk ttoo pp ool loo gg yy,, ANNttrara nn ssffee r r ffuu nn ccttiioo nn,, ww eei igg hhttss eettcc ).). MM oo dd eel lss aa rere lliikk ee bbl laa cc kk -b-b oo xx,, llee ss ss ee xx ppl laa nn aattoorryy IImm ppl liicci itt iinn tthh ee ffoo rmrm ooff pp aa sstt ee xx aa mm ppl lee ss aa nn dd ee xx ppl liicci itt iinn tthh ee ffoorrmm ooff dd oo mm aai inn vv oo cc aa bb uul laarryy,, aa nn dd dd oo mm aai inn kk nn oo wwl lee dd gg ee.. DD oo mm aai inn CBRkk nn oo wwl lee dd gg ee iiss:: uu ss ee dd ffoo r r i inn dd ee xxi inn gg,, rerettriri ee vv aal l aa nn dd aa dd aa ppttaattiioo nn.. MM oo dd eel lss aarree ee aa ssi iee r r ttoo uu nn dd ee rsrsttaa nn dd,, cc oo mm bbi inn aattiioo nn ooff ee xx pp ee riri ee nn cc ee aa nn dd dd oo mm aai inn kk nn oo wwl lee dd gg ee 10