?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=Similarity-based+Word+Sense+Disambiguation&rft.creator=Karov%2C+Yael&rft.creator=Edelman%2C+Shimon&rft.subject=Cognitive+Psychology&rft.description=We+describe+a+method+for+automatic+word+sense+disambiguation+using+a+text+corpus+and+a+machine-readable+dictionary+(MRD).+The+method+is+based+on+word+similarity+and+context+similarity+measures.+Words+are+considered+similar+if+they+appear+in+similar+contexts%3B+contexts+are+similar+if+they+contain+similar+words.+The+circularity+of+this+definition+is+resolved+by+an+iterative%2C+converging+process%2C+in+which+the+system+learns+from+the+corpus+a+set+of+typical+usages+for+each+of+the+senses+of+the+polysemous+word+listed+in+the+MRD.+A+new+instance+of+a+polysemous+word+is+assigned+the+sense+associated+with+the+typical+usage+most+similar+to+its+context.+Experiments+show+that+this+method+can+learn+even+from+very+sparse+training+data%2C+achieving+over+92%25+correct+disambiguation+performance.&rft.date=1996-06&rft.type=Preprint&rft.type=PeerReviewed&rft.format=application%2Fpostscript&rft.identifier=http%3A%2F%2Fcogprints.org%2F569%2F1%2F199711003.ps&rft.identifier=++Karov%2C+Yael+and+Edelman%2C+Shimon++(1996)+Similarity-based+Word+Sense+Disambiguation.++%5BPreprint%5D+++++&rft.relation=http%3A%2F%2Fcogprints.org%2F569%2F