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Author: Hermann Fangmeyer
Publisher: Neuilly sur Seine, France : AGARD
ISBN:
Category : Aeronautics
Languages : en
Pages : 32
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Book Description
;Contents: Semi-automatic indexing techniques; Primary or internal index production (derivative indexing); Secondary index production (assignment indexing); Production and maintenance of indexing aids.
Author: Hermann Fangmeyer
Publisher: Neuilly sur Seine, France : AGARD
ISBN:
Category : Aeronautics
Languages : en
Pages : 32
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Book Description
;Contents: Semi-automatic indexing techniques; Primary or internal index production (derivative indexing); Secondary index production (assignment indexing); Production and maintenance of indexing aids.
Author: Boris Lauser
Publisher: diplom.de
ISBN: 3832469052
Category : Computers
Languages : en
Pages : 134
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Book Description
Inhaltsangabe:Introduction: The management of large amounts of information and knowledge is of ever increasing importance in today s large organisations. With the ongoing ease of supplying information online, especially in corporate intranets and knowledge bases, finding the right information becomes an increasingly difficult task. Today s search tools perform rather poorly in the sense that information access is mostly based on keyword searching or even mere browsing of topic areas. This unfocused approach often leads to undesired results. The following example illustrates the problem more clearly: An agriculture scientist would like to find out which organisation established the Agreement on Agriculture. A simple search for establish Agreement on Agriculture might result in a huge list of documents containing these words, but actually none of them containing the desired result: WTO or World Trade Organisation. The problem becomes even worse if the result searched for only appears in a foreign language document. Semantically annotated documents, i.e. documents that are indexed with ontological terms and concepts instead of simple keywords, provide several advantages. First, the ontological abstraction provides robustness against changes in the document. In the above example, the document representation might change using the term Agricultural Agreement instead of Agreement on Agriculture . However, since the document has been annotated with the ontological semantics, this will not affect the search results. Second, since the ontology used for annotating the document in this example is domain-specific, the semantic meanings and interpretations of keywords are bound to that domain and therefore the retrieval is likely to be more efficient. A term can have several meanings in different domains. By first mapping the keyword to its semantic representation in a specific ontology and using the ontology s linked knowledge structure, a much more focused search approach can be taken. Third, document specific representations no longer affect the search. This is extremely important in the case of multilingual representations. Keywords of several languages are mapped to the same concept in an ontology and are therefore given the same meaning. Multilingual search portals can be established to produce the same results, no matter which language is used for retrieval. An important task in knowledge management facilitating above described search scenario id [...]
Author: Mary Elizabeth Stevens
Publisher:
ISBN:
Category : Automatic indexing
Languages : en
Pages : 300
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Book Description
Author: Winifred F. Desmond
Publisher: Oak Ridge, Tenn. : Oak Ridge National Laboratory
ISBN:
Category : Abstracting and indexing
Languages : en
Pages : 186
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Book Description
Author: Ulrich Kampffmeyer
Publisher: PROJECT CONSULT GmbH
ISBN: 3936534012
Category :
Languages : en
Pages : 64
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Book Description
Author:
Publisher: Atlantic Publishers & Distri
ISBN:
Category :
Languages : en
Pages : 358
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Book Description
Author: Marie-Francine Moens
Publisher: Springer Science & Business Media
ISBN: 0306470179
Category : Computers
Languages : en
Pages : 276
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Book Description
Automatic Indexing and Abstracting of Document Texts summarizes the latest techniques of automatic indexing and abstracting, and the results of their application. It also places the techniques in the context of the study of text, manual indexing and abstracting, and the use of the indexing descriptions and abstracts in systems that select documents or information from large collections. Important sections of the book consider the development of new techniques for indexing and abstracting. The techniques involve the following: using text grammars, learning of the themes of the texts including the identification of representative sentences or paragraphs by means of adequate cluster algorithms, and learning of classification patterns of texts. In addition, the book is an attempt to illuminate new avenues for future research. Automatic Indexing and Abstracting of Document Texts is an excellent reference for researchers and professionals working in the field of content management and information retrieval.
Author: United States. Armed Forces Supply Support Center
Publisher:
ISBN:
Category : Metaal-working machinery
Languages : en
Pages : 846
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Book Description
Author: Shi-kuo Chang
Publisher: World Scientific
ISBN: 9814499935
Category : Computers
Languages : en
Pages : 312
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Book Description
This book covers the principles and recent research results in intelligent image database systems design. Special emphasis is placed on spatial reasoning and the techniques for image indexing and retrieval, mainly based on the Theory of Symbolic Projection. In addition, applications of the theory and techniques to intelligent image database systems design are also discussed.
Author:
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 216
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Book Description
