?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=Representation+and+processing+of+structures+with+binary+sparse+distributed+codes&rft.creator=Rachkovskij%2C+Dmitri+A.&rft.subject=Cognitive+Psychology&rft.subject=Artificial+Intelligence&rft.subject=Neural+Nets&rft.description=The+schemes+for+compositional+distributed+representations+include+those+allowing+on-the-fly+construction+of+fixed+dimensionality+codevectors+to+encode+structures+of+various+complexity.+Similarity+of+such+codevectors+takes+into+account+both+structural+and+semantic+similarity+of+represented+structures.+In+this+paper+we+provide+a+comparative+description+of+sparse+binary+distributed+representation+developed+in+the+frames+of+the+Associative-Projective+Neural+Network+architecture+and+more+well-known+Holographic+Reduced+Representations+of+Plate+and+Binary+Spatter+Codes+of+Kanerva.+The+key+procedure+in+Associative-Projective+Neural+Networks+is+Context-Dependent+Thinning+which+binds+codevectors+and+maintains+their+sparseness.+The+codevectors+are+stored+in+structured+memory+array+which+can+be+realized+as+distributed+auto-associative+memory.+Examples+of+distributed+representation+of+structured+data+are+given.+Fast+estimation+of+similarity+of+analogical+episodes+by+the+overlap+of+their+codevectors+is+used+in+modeling+of+analogical+reasoning+for+retrieval+of+analogs+from+memory+and+for+analogical+mapping.&rft.date=1999-06&rft.type=Preprint&rft.type=NonPeerReviewed&rft.format=application%2Fpostscript&rft.identifier=http%3A%2F%2Fcogprints.org%2F546%2F2%2FReprstr.ps&rft.identifier=++Rachkovskij%2C+Dmitri+A.++(1999)+Representation+and+processing+of+structures+with+binary+sparse+distributed+codes.++%5BPreprint%5D++++(Unpublished)++&rft.relation=http%3A%2F%2Fcogprints.org%2F546%2F