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Permalink Reply by Mrs.K Kavita Rao on December 14, 2010 at 23:03

 what is a thesaurus

The thesaurus can play a key role in enhancing searches — especially in online environments. To work effectively, the thesaurus of the future needs to be designed in accordance with good information science principles and with the user in mind.The thesaurus provides a powerful tool for organizing and searching large bodies of online information such as databases, help systems, and knowledge bases. You can use a thesaurus to generate a standard set of headings and cross-references for a back-of-the-book style index. A thesaurus may be available in printed form, online, or both. 

 , it is a tool like Roget’s ­ one with words grouped and classified to help select the best word to convey a specific nuance of meaning.

• For indexers and searchers, it is an information storage and retrieval tool: a listing of words and phrases authorized for use in an indexing system, together with relationships, variants and synonyms, and aids to navigation through the thesaurus.

ref: www.bayside-indexing.com/Milstead/about.htm

ontology

The structure of a system. A system model. The word refers to the branch of metaphysics that deals with the nature of reality or being. It therefore refers to "what exists" in a system: all elements within all category hierarchies and the relationships between themalso read the follo papers available freely on net:

  

http://www.dsoergel.com/cv/B70.pdf

 

http://www.ksl.stanford.edu/people/dlm/papers/ontologies-come-of-ag...

 

http://www.willpowerinfo.co.uk/thesprin.htm

 

http://ksl-web.stanford.edu/kst/what-is-an-ontology.html

 

http://dspace.library.drexel.edu/bitstream/1860/376/8/Bermudez_Luis...

 

http://en.wikipedia.org/wiki/Thesaurus

 

http://www.bayside-indexing.com/Milstead/about.htm

 

http://www.parliaments.info/downloads/08%20Isabelle%20Guatier%20-%2...

 

  

http://ksl-web.stanford.edu/kst/what-is-an-ontology.html

 

 

 

 

 

 

 

 

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Permalink Reply by padmavathi N on December 15, 2010 at 18:38

Thank you very much mam

 

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Permalink Reply by Parvez Ahmad on December 15, 2010 at 1:04

Classaurus is vocabulary control device devised, which was developed by G. Bhattacharyya for POPSI indexing system.

It is a faceted systematic scheme for hierarchical classification incorporating all the features of a thesaurus. It has only one mainsection consisting of separate schedules for different facets, but the schedules incorporate within themselves the features of a classification scheme and thesaurus. Because of this it has been called Classaurus. The fundamentals of classaurus forms part of a General Theory of Subject Indexing Language. Theindex of a classaurus is an alphabetical index.

 

 

thanks

pvz

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