April 20, 2017

Download A Natural Language Interface for Computer-Aided Design by Tariq Samad (auth.) PDF

By Tariq Samad (auth.)

The introduction of machine aided layout and the proliferation of computing device aided layout instruments were instrumental in furthering the state-of-the­ artwork in built-in circuitry. carrying on with this growth, notwithstanding, calls for an emphasis on growing hassle-free environments that facilitate the interplay among the dressmaker and the CAD software. the conclusion of this truth has brought on investigations into the appropriateness for CAD of a couple of user-interface applied sciences. One kind of interface that has hitherto now not been thought of is the typical language interface. it truly is our competition that ordinary language interfaces may perhaps resolve some of the difficulties posed by means of the expanding quantity and class of CAD instruments. This thesis represents step one in a examine attempt directed in the direction of the eventual improvement of a common language interface for the area of computing device aided layout. The breadth and complexity of the CAD area renders the duty of constructing a common language interface for the entire area past the scope of a unmarried doctoral thesis. as a result, we have now initally focussed on a sub-domain of CAD. particularly, we now have built a typical language interface, named Cleopatra, for circuit-simulation post-processing. In different phrases, with Cleopatra a circuit-designer can extract and control, in English, values from the output of a circuit-simulator (currently SPICE) with out manually having to head during the output records produced by way of the simulator.

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Extra resources for A Natural Language Interface for Computer-Aided Design

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Two Arguments Against Semantic Features We believe that constraints on grammaticality and meaningfulness are much more complex than generally realized, especially within the artificial intelligence community. ) of verbs. (These constraints are called Uselectional restrictions. ") In semantic grammars, this use is implicit; Conceptual Dependency parsers test the semantic features of prospective participants in ACT's (the CD equivalent of verbs); and most linguistic theories propose semantic features for lexical semantics.

Cleopatra does not prohibit non-breadth-first parsing strategies. (In this context, .. breadth-first n implies "fully paralleL") If at any point too many parse-states are in contention, the parse-states with the lower confidence-levels could be suspended. Since each parse-state contains the portion of the input that has still to be processed, this suspension can be temporary. ) Measures similar to confidence-levels have been used in other fields in artificial intelligence (in expert systems [66, 23, 20] and in a speechJust recently, an understanding system [24], for example).

The generality and power of our approach stems from the identification of two issues as being essential to the design of successful natural language interfaces for complex real-world domains: the degrees of flexibility and parallelism. In our discussion of these issues, we attempt to demonstrate their neglect in previous work and their importance, and we describe and exemplify their implementation in Cleopatra. The flexibility and parallelism of Cleopatra complements and significantly extends what is in essence a lexically-driven case-frame parser.

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