An Insight Into The Z-number Approach To CWW

• Autorzy: Pal, S. K. , Banerjee, R. , Dutta, S. , Sarma, S. S.
• Języki publikacji: EN

Abstrakty

EN

The Z-number is a new fuzzy-theoretic concept, proposed by Zadeh in 2011. It extends the basic philosophy of Computing With Words (CWW) to include the perception of uncertainty of the information conveyed by a natural language statement. The Z-number thus, serves as a model of linguistic summarization of natural language statements, a technique to merge human-affective perspectives with CWW, and consequently can be envisaged to play a radical role in the domain of CWW-based system design and Natural Language Processing (NLP). This article presents a comprehensive investigation of the Z-number approach to CWW. We present here: a) an outline of our understanding of the generic architecture, algorithm and challenges underlying CWW in general; b) a detailed study of the Z-number methodology - where we propose an algorithm for CWW using Z-numbers, define a Z-number based operator for the evaluation of the level of requirement satisfaction, and describe simulation experiments of CWW utilizing Z-numbers; and c) analyse the strengths and the challenges of the Z-numbers, and suggest possible solution strategies. We believe that this article would inspire research on the need for inclusion of human-behavioural aspects into CWW, as well as the integration of CWW and NLP.

Słowa kluczowe

EN

affective computing; Cognition; dialogue-based systems; fuzzy sets; linguistics; machine learning; Natural Language Processing (NLP); perception; soft computing; text summarization

• Czasopismo: Fundamenta Informaticae
• Rocznik: 2013
• Tom: Vol. 124, nr 1/2
• Strony: 197--229
• Opis fizyczny: Bibliogr. 29 poz.

Twórcy

autor

Pal, S. K.

• Machine Intelligence Unit, Indian Statistical Institute, Kolkata 700 108, India,

autor

Banerjee, R.

• Center for Soft Computing Research, Indian Statistical Institute, Kolkata 700 108, India,

autor

Dutta, S.

• INSEAD, Blvd de Constance, Fontainebleau 77305, France

autor

Sarma, S. S.

• Department of Computer Sc. and Engineering, University of Calcutta, Kolkata 700 009, India

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