By Tariq Samad (auth.)
The introduction of machine aided layout and the proliferation of machine aided layout instruments were instrumental in furthering the state-of-the artwork in built-in circuitry. carrying on with this growth, despite the fact that, calls for an emphasis on developing easy environments that facilitate the interplay among the clothier and the CAD instrument. the belief of this truth has brought on investigations into the appropriateness for CAD of a few user-interface applied sciences. One kind of interface that has hitherto now not been thought of is the average language interface. it's our rivalry that usual language interfaces may remedy some of the difficulties posed by way 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 normal language interface for the area of desktop aided layout. The breadth and complexity of the CAD area renders the duty of constructing a ordinary language interface for the total area past the scope of a unmarried doctoral thesis. for this reason, we have now initally focussed on a sub-domain of CAD. in particular, 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 in the course of the output documents produced via the simulator.
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Extra info for A Natural Language Interface for Computer-Aided Design
In fact, we can invoke any arbitrary function when evaluating a constraint. 32 In addition to the flexibility afforded by allowing arbitrary constraints, there is a different kind of flexibility that pertains to the IIgoodness-offit" of the constraints. This is useful, in concert with the confidence-levels described in the following section, for handling conjunctions, ellipses (incomplete sentences), and anaphora (referring expressions). 2. 1. Parallelism The need for parallelism has to do with the phenomenon of ambiguity.
More than one case- 55 frame ends up with the same case-role, or all the possible case-roles for a case-frame are deleted) then that parse-state is assumed incorrect. If on the other hand there are multiple possible case-roles for a case-frame on pending: when the verb-frame is closed, the first of these is taken. The eval: slot lists the name of the function that is invoked for the semantic interpretation of this frame, after the parsing process has successfully terminated. 3. Integration Procedures We have just seen that a dictionary procedure has a dictionary entry that is associated with it and that represents information about a morpheme.
Conceptually, there is no higher-level procedure that reads each word and matches it against a pattern or rule under consideration. 1. Flexibility There are several aspects of Cleopatra's flexibility, the two major ones being the flexibility of framing complex constraints on case-frame-t~ verb-frame attachments, and the flexibility of specifying arbitrary and This section idiosyncratic actions to guide the parsing process. elaborates on the former; we will discuss the latter when we discuss the architecture of Cleopatra in the next chapter.
A Natural Language Interface for Computer-Aided Design by Tariq Samad (auth.)