人工智能原理Lecture-11-图神经网络-Graph-Neural-Networks--课件精品课件.pptxVIP

人工智能原理Lecture-11-图神经网络-Graph-Neural-Networks--课件精品课件.pptx

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Lecture11:GraphNeuralNetworks

ArtificialIntelligence2NaturalLanguageProcessing ?QuestionAnswering ?InformationExtraction ?MachineTranslation ?...... November24,2019

ArtificialIntelligence3QuestionAnswering November24,2019

ArtificialIntelligence4InformationExtraction November24,2019

ArtificialIntelligence5MachineTranslation November24,2019

ArtificialIntelligence6GraphsareeverywhereinNLP November24,2019

ArtificialIntelligence7DeepLearninginNLP November24,2019

ArtificialIntelligence8Overview November24,2019

ArtificialIntelligence9Overview November24,2019

ArtificialIntelligence10November24,2019DataDomain?Image,volume,videolieon?2D,3D,2D+1Euclideandomains?Sentence,word,soundlieon?1DEuclideandomain?Thesedomainshavestrongregularspatialstructures.?AllConvNetoperationsaremathematicallywelldefinedandfast(convolution,pooling).

ArtificialIntelligence11GraphStructuredData November24,2019

12November24,2019 ArtificialIntelligenceHowCNNsforGraphs? ?Translation ?Downsampling(Pooling)

13November24,2019 ArtificialIntelligenceMotivatingExample ?Co-authorshipNetwork ?Nodes:Authors,Edges:Co-authorship

14November24,2019 ArtificialIntelligenceMotivatingExample:Co-authorshipNetwork ?NodeClassification:(Semi-supervisedLearning) ?Predictresearchareaofunlabeledauthors

15November24,2019 ArtificialIntelligenceMotivatingExample ?IdentifyCommunities:(Unsupervised) ?Groupingauthorswithsimilarresearchinterests

16November24,2019 ArtificialIntelligenceMotivatingExample ?GraphClassification:(Supervised) ?Identifyingclassofeachcommunity.

ArtificialIntelligence17Overview November24,2019

18November24,2019 ArtificialIntelligenceEmbeddingNodes ?Goalistoencodenodessothatsimilarityinthe embeddingspace(e.g.,dotproduct)approximates similarityintheoriginalnetwork.

ArtificialIntelligence19Embeddi

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