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Record Nr. |
UNINA9910453743503321 |
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Autore |
Keyser Pierre de |
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Titolo |
Indexing : from thesauri to the Semantic web / / Pierre de Keyser |
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Pubbl/distr/stampa |
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Oxford : , : Chandos Publishing, , 2012 |
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ISBN |
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1-78063-341-6 |
1-84334-292-8 |
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Edizione |
[1st edition] |
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Descrizione fisica |
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1 online resource (273 p.) |
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Collana |
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Chandos information professional series |
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Disciplina |
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Soggetti |
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Indexing |
Electronic books. |
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Lingua di pubblicazione |
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Formato |
Materiale a stampa |
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Livello bibliografico |
Monografia |
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Note generali |
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Description based upon print version of record. |
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Nota di bibliografia |
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Includes bibliographical references and index. |
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Nota di contenuto |
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Cover; Indexing: From thesauri to the Semantic Web; Copyright; Contents; List of figures; List of abbreviations; Preface; About the author; 1 Introduction to subject headings and thesauri; Introduction; Standards for controlled vocabularies; Precoordination and postcoordination; General do's and don'ts in selecting index terms; Subject headings; Thesauri; Creating and maintaining a controlled vocabulary; How to find subject headings and thesauri; Thesaurus software; Multilingual thesauri; Interoperability between vocabularies; What makes a good indexing system?; Notes; References |
2 Automatic indexing versus manual indexingIntroduction; Arguments against manual indexing; Is indexing by the author or editor a valuable alternative?; Arguments in favour of manual indexing; Some misconceptions about automatic indexing; Conclusion; Notes; References; 3 Techniques applied in automatic indexing of text material; Introduction; Lexical analysis; The use of stop word lists; Stemming; Extracting meaningful word combinations; Index term weighting; Linking words and word combinations to a controlled vocabulary; Automatic classification |
What can be expected of automatic text indexing?References; 4 Automatic indexing of images; Introduction; Images on the Internet; Context-based indexing; Content-based indexing; Automatic image annotation; Mixed techniques; The purpose of it all; Notes; References; 5 The black art of indexing moving images; Manual indexing of moving |
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images; Why index moving images automatically?; Indexing based on speech or text recognition; Keyframe indexing; The future of video indexing; Notes; References; 6 Automatic indexing of music; Introduction; Some examples of music retrieval |
Indexing methods behind the retrievalReferences; 7 Taxonomies and ontologies; The librarian's strained relation to taxonomies and ontologies; What are taxonomies and what are they used for?; Ontologies; The importance of taxonomies and ontologies; Notes; References; 8 Metadata formats and indexing; Introduction; What are metadata?; Metadata and the library world; Some important metadata standards; Bridges between standards; The benefi ts of metadata standards; What about indexing?; Notes; References; 9 Tagging; What is tagging?; Why tagging?; Advantages and disadvantages of tagging |
Towards a taxonomy of taggingTagging in the book and library world; User tags and author keywords; How tags are displayed; Conclusions; Notes; References; 10 Topic Maps; Introduction; The TAO model of Topic Maps; The technical side of Topic Maps; Examples of Topic Maps; Are Topic Maps the future of indexing?; Notes; References; 11 Indexing the web; Is it possible to index the web?; Manual web indexes; Bookmark sites; Evaluation of manual web indexing; Web indexing by search engines; How search engines work; Google's PageRank; What about indexing the 'deep web'?; Notes; References |
12 The Semantic Web |
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Sommario/riassunto |
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Indexing consists of both novel and more traditional techniques. Cutting-edge indexing techniques, such as automatic indexing, ontologies, and topic maps, were developed independently of older techniques such as thesauri, but it is now recognized that these older methods also hold expertise.Indexing describes various traditional and novel indexing techniques, giving information professionals and students of library and information sciences a broad and comprehensible introduction to indexing. This title consists of twelve chapters: an Introduction to subject readings and theasauri; Auto |
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2. |
Record Nr. |
UNINA9911019694403321 |
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Titolo |
Myopia and the control of eye growth |
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Pubbl/distr/stampa |
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Chichester [England] ; ; New York, : Wiley, 1990 |
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ISBN |
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9786612455407 |
9781282455405 |
1282455400 |
9780470514023 |
0470514027 |
9780470514030 |
0470514035 |
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Descrizione fisica |
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1 online resource (268 p.) |
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Collana |
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Ciba Foundation symposium ; ; 155 |
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Altri autori (Persone) |
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Disciplina |
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Soggetti |
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Myopia |
Eye - Growth - Regulation |
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Lingua di pubblicazione |
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Formato |
Materiale a stampa |
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Livello bibliografico |
Monografia |
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Note generali |
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Proceedings of the Symposium on Myopia and the Control of Eye Growth, held at the Ciba Foundation, London 20-22 March 1990. |
"A Wiley-Interscience publication." |
Editors, Gregory Back (organizer) and Kate Widdows. |
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Nota di bibliografia |
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Includes bibliographical references and indexes. |
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Nota di contenuto |
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MYOPIA AND THE CONTROL OF EYE GROWTH; Contents; Introduction; Pathways mediating resolution in the primate retina; Neural control of eye growth and experimental myopia in primates; Postnatal control of ocular growth: dopaminergic mechanisms; Effects of selective neurotoxins on eye growth in the young chick; Experimental studies of emmetropization in the chick; Emmetropization in the primate eye; Retinal influences on sclera underlie visual deprivation myopia; General discussion I : Stretch or growth?; Emmetropization or normal growth? |
Avian models of experimental myopia: environmental factors in the regulation of eye growth Optical causes of experimental myopia; Experimental myopia in tree shrews; General discussion II : Effect of ablation of the fundus; What are the signals for defocus?; Light rhythm |
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and eye growth; Effects of zinc and copper metabolism in highly myopic patients; Myopia in humans: can progression be arrested?; Final general discussion : Axial or equatorial enlargement?; Future studies; Summing-up; Index of contributors; Subject index |
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Sommario/riassunto |
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Myopia, the most common disorder of the eye, affects 80% of the population of some countries. Although its basis remains uncertain, recent development of animal models have permitted tests of hypothesis as to myopia's origins. The symposium proceedings cover normal growth of the eye including the roles of peptide factors, metabolism and accommodation, investigation of the deficiencies that lead to myopia and other refractive disorders. |
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