{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,8]],"date-time":"2025-10-08T22:43:00Z","timestamp":1759963380209,"version":"3.41.2"},"reference-count":5,"publisher":"Emerald","issue":"5","license":[{"start":{"date-parts":[[2005,10,1]],"date-time":"2005-10-01T00:00:00Z","timestamp":1128124800000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.emerald.com\/insight\/site-policies"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2005,10,1]]},"abstract":"<jats:sec><jats:title content-type=\"abstract-heading\">Purpose<\/jats:title><jats:p>This short note seeks to respond to Hj\u00f8rland and Pederson's paper \u201cA substantive theory of classification for information retrieval\u201d which starts from Sp\u00e4rck Jones's, \u201cSome thoughts on classification for retrieval\u201d, originally published in 1970.<\/jats:p><\/jats:sec><jats:sec><jats:title content-type=\"abstract-heading\">Design\/methodology\/approach<\/jats:title><jats:p>The note comments on the context in which the 1970 paper was written, and on Hj\u00f8rland and Pedersen's views, emphasising the need for well\u2010grounded classification theory and application.<\/jats:p><\/jats:sec><jats:sec><jats:title content-type=\"abstract-heading\">Findings<\/jats:title><jats:p>The note maintains that text\u2010based, a posteriori, classification, as increasingly found in applications, is likely to be more useful, in general, than a priori classification.<\/jats:p><\/jats:sec><jats:sec><jats:title content-type=\"abstract-heading\">Originality\/value<\/jats:title><jats:p>The note elaborates on points made in a well\u2010received earlier paper.<\/jats:p><\/jats:sec>","DOI":"10.1108\/00220410510625813","type":"journal-article","created":{"date-parts":[[2007,1,15]],"date-time":"2007-01-15T15:39:12Z","timestamp":1168875552000},"page":"598-601","source":"Crossref","is-referenced-by-count":13,"title":["Revisiting classification for retrieval"],"prefix":"10.1108","volume":"61","author":[{"given":"Karen","family":"Sp\u00e4rck Jones","sequence":"first","affiliation":[]}],"member":"140","reference":[{"key":"key2022020520263703700_b1","doi-asserted-by":"crossref","unstructured":"Hj\u00f8rland, B. and Pedersen, K.N. (2005), \u201cA substantive theory of classification for information retrieval\u201d, Journal of Documentation, Vol. 61 No. 5.","DOI":"10.1108\/00220410510625804"},{"key":"key2022020520263703700_b2","doi-asserted-by":"crossref","unstructured":"Sp\u00e4rck Jones, K. (1970), \u201cSome thoughts on classification for retrieval\u201d, Journal of Documentation, Vol. 26 No. 2, pp. 89\u2010101.","DOI":"10.1108\/eb026488"},{"key":"key2022020520263703700_b3","doi-asserted-by":"crossref","unstructured":"Sp\u00e4rck Jones, K. and Barber, E.O. (1971), \u201cWhat makes an automatic classification effective?\u201d, Journal of the American Society for Information Science, Vol. 22, pp. 166\u201075.","DOI":"10.1002\/asi.4630220305"},{"key":"key2022020520263703700_b4","doi-asserted-by":"crossref","unstructured":"van Rijsbergen, C.J. and Sp\u00e4rck Jones, K. (1973), \u201cA test for the separation of relevant and non\u2010relevant documents in experimental retrieval collections\u201d, Journal of Documentation, Vol. 29, pp. 251\u20107.","DOI":"10.1108\/eb026557"},{"key":"key2022020520263703700_b5","unstructured":"Voorhees, E.M. and Harman, D.K. (Eds) (2005), TREC: Experiment and Evaluation in Information Retrieval, MIT Press, Cambridge, MA."}],"container-title":["Journal of Documentation"],"original-title":[],"language":"en","link":[{"URL":"http:\/\/www.emeraldinsight.com\/doi\/full-xml\/10.1108\/00220410510625813","content-type":"unspecified","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/www.emerald.com\/insight\/content\/doi\/10.1108\/00220410510625813\/full\/xml","content-type":"application\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/www.emerald.com\/insight\/content\/doi\/10.1108\/00220410510625813\/full\/html","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2025,7,24]],"date-time":"2025-07-24T23:37:33Z","timestamp":1753400253000},"score":1,"resource":{"primary":{"URL":"http:\/\/www.emerald.com\/jd\/article\/61\/5\/598-601\/203401"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2005,10,1]]},"references-count":5,"journal-issue":{"issue":"5","published-print":{"date-parts":[[2005,10,1]]}},"alternative-id":["10.1108\/00220410510625813"],"URL":"https:\/\/doi.org\/10.1108\/00220410510625813","relation":{},"ISSN":["0022-0418"],"issn-type":[{"type":"print","value":"0022-0418"}],"subject":[],"published":{"date-parts":[[2005,10,1]]}}}