Overview

The advent of computer aided design and the proliferation of computer aided design tools have been instrumental in furthering the state-of-the­ art in integrated circuitry. Continuing this progress, however, demands an emphasis on creating user-friendly environments that facilitate the interaction between the designer and the CAD tool. The realization of this fact has prompted investigations into the appropriateness for CAD of a number of user-interface technologies. One type of interface that has hitherto not been considered is the natural language interface. It is our contention that natural language interfaces could solve many of the problems posed by the increasing number and sophistication of CAD tools. This thesis represents the first step in a research effort directed towards the eventual development of a natural language interface for the domain of computer aided design. The breadth and complexity of the CAD domain renders the task of developing a natural language interface for the complete domain beyond the scope of a single doctoral thesis. Hence, we have initally focussed on a sub-domain of CAD. Specifically, we have developed a natural language interface, named Cleopatra, for circuit-simulation post-processing. In other words, with Cleopatra a circuit-designer can extract and manipulate, in English, values from the output of a circuit-simulator (currently SPICE) without manually having to go through the output files produced by the simulator.

Full Product Details

Author:   T. Samad
Publisher:   Kluwer Academic Publishers
Imprint:   Kluwer Academic Publishers
Edition:   1986 ed.
Volume:   14
Dimensions:   Width: 15.60cm , Height: 1.20cm , Length: 23.40cm
Weight:   1.030kg
ISBN:  

9780898382228

ISBN 10:   089838222
Pages:   188
Publication Date:   30 June 1986
Audience:   College/higher education ,  Professional and scholarly ,  Postgraduate, Research & Scholarly ,  Professional & Vocational
Format:   Hardback
Publisher's Status:   Active
Availability:   In Print  
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Table of Contents

1. Introduction.- 1.1. The Pros and Cons of Natural Language Interfaces.- 1.2. Domanial Implications.- 1.3. Cleopatra.- 1.4. Natural Language Processing—Some Preliminaries.- 1.5. An Outline of this Thesis.- 2. Previous Approaches.- 2.1. Syntax-First approaches.- 2.2. Semantic Grammars.- 2.3. Augmented Transition Networks.- 2.4. Case-Frame Parsing.- 3. A New Approach.- 3.1. Flexibility.- 3.2. Parallelism, and Confidence Levels.- 4. The Parsing Process.- 4.1. Lexical Entries.- 4.2. Dictionary Entries.- 4.3. Integration Procedures.- 5. Filling the Blanks.- 5.1. ‘‘Safe” Attachments.- 5.2. Relative Clauses.- 5.3. Time-Adverbial Clauses.- 5.4. Conjunctions.- 5.5. Ellipses.- 5.6. Confidence-Levels Revisited.- 6. Some Detailed Examples.- 6.1. Example 1.- 6.2. Example 2.- 6.3. Example 3.- 7. Semantic Interpretation.- 7.1. An Outline of the Semantic Interpretation Process.- 7.2. Examples.- 8. Issues for Further Research.- 8.1. Extending Cleopatra to Other Domains.- 8.2. Robustness.- 8.3. Experimental Validation.- 9. Conclusion, and Afterthoughts.- 9.1. Afterthoughts.- Appendix A. A Sample Session with Cleopatra.- A.2. The Session Transcript.- Appendix B. An Exercise in Extension.- References.

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