Purpose – To suggest that a theory of classification for information retrieval (IR), asked for by Spärck Jones in a … “classical” versus Kuhnian understandings of concepts. Findings – Classification, both manual and automatic, for retrieval …/value – Provides, emphasizing a pragmatic understanding, insights of importance to classification for retrieval, both manual and …

classification in different research communities (machine learning, information retrieval and library science), and point to problems … with the approaches and automated classification as such. Design/methodology/approach – A range of works dealing with … automated classification of full‐text web documents are discussed. Explorations of individual approaches are given in the …

, classification, and indexing to solve problems of information retrieval and design usable information products and services for human …

text classification, such as Chinese and Japanese where no word boundary information is available in written text. The … Japanese text classification. To investigate the influence of word segmentation, different word segmentation approaches were … standard techniques, given the same set of features; and it was found that classification with word level features normally …

(in Europe, Asia and Africa), UDC is the main classification system used across national information networks. In 45 (36 … Decimal Classification (UDC) use worldwide. Design/methodology/approach – The research combined e‐mail interviews with LIS … Consortium). The following categorisation of UDC use was offered: A – dominant system; B – used in some kind of libraries only …

and universal classification of the phenomena that scholars study, and the methods and theories they apply, is feasible …. It seeks to argue that such a classification is critical for interdisciplinary scholarship. Design …. Hjørland and Nissen Pedersen had identified several difficulties that would be encountered in developing such a classification …

based on Hjørland and Nissen Pedersen and Szostak. The main points in a core theory of classification are outlined and … developing an argument for a theoretical foundation of classification informed by the theory of knowledge.  …