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Classification of knowledge

They support classification of knowledge for an efficient retrieval classification can be achieved with metadata in a simple hierarchy and is usually adapted to the application of knowledge the hierarchy reflects the structure of the content centers. [Pg.288]

L. Chen, Reaction classification and knowledge acquisition, in Handbook of Chemoinfyrmatics - From Data to Knowledge, ]. Gasteiger (Ed.), Wiley-VCH, Weinheim, 2003. [Pg.200]

More elaborate scheme.s can he envisaged. Thus, a. self-organizing neural network as obtained by the classification of a set of chemical reactions as outlined in Section 3,5 can be interfaced with the EROS system to select the reaction that acmaliy occurs from among various reaction alternatives. In this way, knowledge extracted from rcaetion databases can be interfaced with a reaction prediction system,... [Pg.552]

An influential classification of the different types of information processing involved in industrial tasks was developed by J. Rasmussen of the Rise Laboratory in Denmark. This scheme provides a useful framework for identifying the types of error likely to occur in different operational situations, or within different aspects of the same task where different types of information processing demands on the individual may occur. The classification system, known as the skill-, rule-, knowledge-based (SRK) approach is described in a... [Pg.69]

In Figure 2.6, the slips/mistakes distinction is further elaborated by relating it to the Rasmussen SRK classification of performance discussed earlier. Slips can be described as being due to misapplied competence because they are examples of the highly skilled, well practiced activities that are characteristic of the skill-based mode. Mistakes, on the other hand, are largely confined to the rule and knowledge-based domains. [Pg.74]

All important factor in assessing tlie causes and effects of fires is tlie beluivior of a fire s flmne. Knowledge of a flame s spreading rate and heat intensity can reduce fire liazard potentials and fire damage. The classifications of flame behavior are ... [Pg.210]

Chen L. Reaction classification and knowledge acqnisition. In Gasteiger J, editor, Handbook of chemoinformatics. Weinheim Wiley-VCFI, 2003 348-88. [Pg.208]

The intense need for herbal information in response to consumer interest in natural products was an acute reminder that information and knowledge generated locally have an international role. Confusion created by multiple names and unreliable nomenclature and classification of natural products mirrors problems encountered with drug nomenclature in the 1960s. Our information deficit in this area is still large. Chapter 24 presents a discussion of natural products. [Pg.764]

This leads us to the other hand, which, it should be obvious, is that we feel that Chemometrics should be considered a subfield of Statistics, for the reasons given above. Questions currently plaguing us, such as How many MLR/PCA/PLS factors should I use in my model , Can I transfer my calibration model (or more importantly and fundamentally How can I tell if I can transfer my calibration model ), may never be answered in a completely rigorous and satisfactory fashion, but certainly improvements in the current state of knowledge should be attainable, with attendant improvements in the answers to such questions. New questions may arise which only fundamental statistical/probabilistic considerations may answer one that has recently come to our attention is, What is the best way to create a qualitative (i.e., identification) model, if there may be errors in the classifications of the samples used for training the algorithm ... [Pg.119]

Dubus, E., Ijjaali, I., Petitet, F. and Michel, A. (2006) In sUico classification of HERG channel blockers a knowledge-based strategy. ChemMedChem, 1, 622-630. [Pg.125]

There exists a body of knowledge for chemical processes. Clearly, there should be a similar one for chemical products. To improve our knowledge of chemical products, it would help to have some kind of classification which guides its development and teaching. Thus, the main aim of this chapter is to examine the nature of chemical products. This subject encompasses a wide spectrum of issues. I would like to share my thinking on these issues with you. [Pg.459]

The interpretation of the priority of physics over chemistry in the logic and history of the scientific disciplines has been strongly rooted in Comte s positivist history, the general outline of which still dominates much of popular scientific teaching as well as the classification of scientific knowledge. [Pg.51]

The true significance of ring opening and ring formation reactions in metabolism is not always recognized and, to the best of our knowledge, these two types of reaction have never been reviewed per se in a systematic manner. Here, we offer a preliminary classification of these reactions in an attempt to clarify this complex field. [Pg.726]

Mestres J. (2004) Computational chemogenomic approaches to systematic knowledge-based drug discovery. Curr. Top. Drug Discov. Dev. 7 304—313. National Center for Health Statistics (2005) The International classification of diseases, 9th revision, chnical modification. 1CD-9-CM, 6th ed. http //www.cdc.gov/nchs/icd9.htm. [Pg.55]


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