HEPHESTUS: An expert system in PROLOG for the interpretation of the pyrolysis-mass spectra of polyesters, polyethers and polyureas using the certainty factor model

Georgakopoulos, CG; Statheropoulos, M; Kontoyannakos, J; Parissakis, G

dc.contributor.author	Georgakopoulos, CG	en
dc.contributor.author	Statheropoulos, M	en
dc.contributor.author	Kontoyannakos, J	en
dc.contributor.author	Parissakis, G	en
dc.date.accessioned	2014-03-01T01:11:05Z
dc.date.available	2014-03-01T01:11:05Z
dc.date.issued	1995	en
dc.identifier.issn	0165-2370	en
dc.identifier.uri	https://dspace.lib.ntua.gr/xmlui/handle/123456789/11549
dc.subject	Certainty factors	en
dc.subject	Expert system	en
dc.subject	Interpretation	en
dc.subject	Pyrolysis	en
dc.subject	Pyrolysis-mass spectra	en
dc.subject	Synthetic polymers	en
dc.subject.classification	Chemistry, Analytical	en
dc.subject.classification	Spectroscopy	en
dc.subject.other	THERMAL FRAGMENTATION PROCESSES	en
dc.subject.other	AROMATIC ALIPHATIC POLYETHERS	en
dc.subject.other	NEGATIVE CHEMICAL IONIZATION	en
dc.subject.other	DIRECT DEGRADATION	en
dc.subject.other	STRUCTURAL INVESTIGATIONS	en
dc.subject.other	TEREPHTHALIC ACID	en
dc.subject.other	SPECTROMETRY	en
dc.subject.other	POLYMERS	en
dc.subject.other	IDENTIFICATION	en
dc.subject.other	HYDROQUINONE	en
dc.title	HEPHESTUS: An expert system in PROLOG for the interpretation of the pyrolysis-mass spectra of polyesters, polyethers and polyureas using the certainty factor model	en
heal.type	journalArticle	en
heal.identifier.primary	10.1016/0165-2370(94)00867-Z	en
heal.identifier.secondary	http://dx.doi.org/10.1016/0165-2370(94)00867-Z	en
heal.language	English	en
heal.publicationDate	1995	en
heal.abstract	The enhanced version of the expert system (ES) HEPHESTUS used for the interpretation of pyrolysis mass spectra of polymers is described and discussed. This version uses the certainty factor model for quantitative evaluation of the proposed solutions. The ES applies to the following categories of polymers: polyesters, polyethers and polyureas. The rules used by the ES were extracted from the study of the pyrolysis pathways of the above polymer categories. The rules correlate weighted mass spectra characteristics with polymer structures. The knowledge base of the ES was organised in a tree form, and the inference mechanism was based on a depth-first search. Examples of applications are presented. The abilities and the limitations of the ES are discussed. © 1995.	en
heal.publisher	ELSEVIER SCIENCE BV	en
heal.journalName	Journal of Analytical and Applied Pyrolysis	en
dc.identifier.doi	10.1016/0165-2370(94)00867-Z	en
dc.identifier.isi	ISI:A1995RB22500003	en
dc.identifier.volume	34	en
dc.identifier.issue	1	en
dc.identifier.spage	29	en
dc.identifier.epage	40	en