{"id":{"repo_id":"uiuc","oai_identifier":"oai:www.ideals.illinois.edu:2142/69483"},"canonical_url":"https://search.dev.ndltd.org/etd/uiuc/oai:www.ideals.illinois.edu:2142/69483","repository":{"repo_id":"uiuc","name":"University of Illinois - Urbana-Champaign","base_url":"https://www.ideals.illinois.edu/oai-pmh"},"display":{"title":"Content Duplication Among Documents on Specific Subjects","abstract":"An attempt was made to see how duplication of textual content among documents on the same specific medical subjects varied with time. Text analysis was performed on sets of documents that had been located with MEDLINE searches. Duplication of sentence segments between two documents was assumed to indicate duplication of content. More duplication of sentence segments was found for current documents than for older ones.","abstract_html":"An attempt was made to see how duplication of textual content among documents on the same specific medical subjects varied with time. Text analysis was performed on sets of documents that had been located with MEDLINE searches. Duplication of sentence segments between two documents was assumed to indicate duplication of content. More duplication of sentence segments was found for current documents than for older ones.","abstract_has_math":false,"creators":["Blue, Richard Irving"],"institution":"University of Illinois at Urbana-Champaign","degree_name":"Ph.D.","degree_level":"Dissertation","degree_discipline":"Library Science","degree_department":null,"school":null,"contributors":[],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2014,"date_issued":"2014-12-15T19:18:18Z","date_published":"2014-12-15T19:18:18Z","updated_at":"2026-07-22T22:26:00Z","subjects":["Information Science"],"languages":[],"rights":[],"rights_urls":[],"identifier_entries":[{"key":"dc:identifier","label":"Identifier","values":["(UMI)AAI8409749"],"render_values":[{"text":"(UMI)AAI8409749","href":null,"code":true}]}]},"links":{"outbound_url":"http://hdl.handle.net/2142/69483","outbound_label":"Handle","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:creator","label":"Author","values":["Blue, Richard Irving"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["2014-12-15T19:18:18Z","10000-01-01","1984"]},{"key":"dc:type","label":"Dc Type","values":["text"]},{"key":"thesis:degree_discipline","label":"Discipline","values":["Library Science"]},{"key":"thesis:degree_level","label":"Degree Level","values":["Dissertation"]},{"key":"thesis:degree_name","label":"Degree Name","values":["Ph.D."]},{"key":"thesis:institution_name","label":"Thesis Institution Name","values":["University of Illinois at Urbana-Champaign"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["Information Science"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["http://hdl.handle.net/2142/69483","(UMI)AAI8409749"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["An attempt was made to see how duplication of textual content among documents on the same specific medical subjects varied with time. Text analysis was performed on sets of documents that had been located with MEDLINE searches. Duplication of sentence segments between two documents was assumed to indicate duplication of content. More duplication of sentence segments was found for current documents than for older ones.","Use of sentence segment duplication as a measure of document overlap was also compared to use of interdocument duplication of index terms (a method described earlier by Cleverdon and Kidd) as a measure of document overlap. A greater range of variability was found in the text overlap measure, which may indicate that textual content duplication is the more discerning of the two measures.","Although the results were inconclusive in many ways, the study at least tested an alternative methodology for measuring content overlap and prepared the way for larger scale studies.","Made available in DSpace on 2014-12-15T19:18:18Z (GMT). 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Duplication of sentence segments between two documents was assumed to indicate duplication of content. More duplication of sentence segments was found for current documents than for older ones.","Use of sentence segment duplication as a measure of document overlap was also compared to use of interdocument duplication of index terms (a method described earlier by Cleverdon and Kidd) as a measure of document overlap. A greater range of variability was found in the text overlap measure, which may indicate that textual content duplication is the more discerning of the two measures.","Although the results were inconclusive in many ways, the study at least tested an alternative methodology for measuring content overlap and prepared the way for larger scale studies.","Made available in DSpace on 2014-12-15T19:18:18Z (GMT). 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