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Analyzing the Benefits of Domain Knowledge in Substructure Discovery
, 1995
"... Discovering repetitive, interesting, and functional substructures in a structural database improves the ability to interpret and compress the data. However, scientists working with a database in their area of expertise often search for a predetermined type of structure, or for structures exhibiti ..."
Abstract

Cited by 19 (2 self)
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Discovering repetitive, interesting, and functional substructures in a structural database improves the ability to interpret and compress the data. However, scientists working with a database in their area of expertise often search for a predetermined type of structure, or for structures exhibiting characteristics specic to the domain. This paper presents methods for guiding the discovery process with domainspecic knowledge. In this paper, the Subdue discovery system is used to evaluate the bene ts of using domain knowledge. The domain knowledge is incorporated into Subdue following a single general methodology to guide the discovery process. Results show using domainspecic knowledge improves the search for substructures which are useful to the domain, and leads to greater compression of the data. To illustrate these bene ts, examples and experiments from the domain of computer programming, computer aided design circuit, and a series of articiallygenerated domains...
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"... This paper examines a number of common fallacies in the typical introductory circuit analysis text and offers a more logical, rigorous, and pedagogical approach for each. The majority of these fall within that segment of introductory circuit analysis dealing with active circuits and subcircuits; mor ..."
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This paper examines a number of common fallacies in the typical introductory circuit analysis text and offers a more logical, rigorous, and pedagogical approach for each. The majority of these fall within that segment of introductory circuit analysis dealing with active circuits and subcircuits; more, however, can be found in each of the other major areas covered by such texts. It is hoped that this critique will spur a reexamination of the topics covered in introductory circuit analysis texts. Portions of this paper have been submitted for possible pulication in the IEEE Transactions on Education.
On plustype nullor
"... Abstract: It is wellknown that a nullor of the negativetype is a twoport with the null transmission matrix. But there is no obviously mathematical definition for a plustype nullor. The authors proposed a matrix definition for a nullor of the plustype. Besides, this paper derives out the adjoin ..."
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Abstract: It is wellknown that a nullor of the negativetype is a twoport with the null transmission matrix. But there is no obviously mathematical definition for a plustype nullor. The authors proposed a matrix definition for a nullor of the plustype. Besides, this paper derives out the adjoint component of a plustype nullor. A voltagemode amplifier, an oscillator and a currentmode biquadratic filter that using plustype nullors are transformed to their adjoint circuits as examples to demonstrate the usefulness of the new component. Simulation results are given to confirm the theoretical analysis.