About: Searching sparse solutions from overcomplete models: selected applications

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An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	When solving real problems there is often missing a reliable theory behind them. In such situations the ideas about a choice of an appropriate model are very vague and produce models where it is hard to balance the requirement on sufficient regularity of the model (as few parameters as possible to guarantee numerical stability) and its sufficient precision which forces the analyst to increase the number of model components typically leading to overparametrization (overcompleteness) accompanied with non-uniqueness and numerical instability of solutions. The technique based on the Basis Pursuit Algorithm originally suggested by Chen et al [SIAM Review 43 (2001), No. 1] for the processing of digital signals allows one to find sparse stable solutions from such models. When solving real problems there is often missing a reliable theory behind them. In such situations the ideas about a choice of an appropriate model are very vague and produce models where it is hard to balance the requirement on sufficient regularity of the model (as few parameters as possible to guarantee numerical stability) and its sufficient precision which forces the analyst to increase the number of model components typically leading to overparametrization (overcompleteness) accompanied with non-uniqueness and numerical instability of solutions. The technique based on the Basis Pursuit Algorithm originally suggested by Chen et al [SIAM Review 43 (2001), No. 1] for the processing of digital signals allows one to find sparse stable solutions from such models. (en)
Title	Searching sparse solutions from overcomplete models: selected applications Searching sparse solutions from overcomplete models: selected applications (en)
skos:prefLabel	Searching sparse solutions from overcomplete models: selected applications Searching sparse solutions from overcomplete models: selected applications (en)
skos:notation	RIV/00216224:14560/07:00023302!RIV10-MSM-14560___
http://linked.open...avai/riv/aktivita	Z
http://linked.open...avai/riv/aktivity	Z(MSM0021622418)
http://linked.open...vai/riv/dodaniDat	2010
http://linked.open...aciTvurceVysledku	Veselý, Vítězslav
http://linked.open.../riv/druhVysledku	D - Článek ve sborníku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Masarykova univerzita / Ekonomicko-správní fakulta
http://linked.open...dnocenehoVysledku	449114
http://linked.open...ai/riv/idVysledku	RIV/00216224:14560/07:00023302
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	approximation; atomic decomposition; sparsity; smoothing; time series; forecasting; ROC/ODC curve. (en)
http://linked.open.../riv/klicoveSlovo	approximation time series forecasting smoothing sparsity ROC/ODC curve. atomic decomposition
http://linked.open...ontrolniKodProRIV	[A572E7E1900F]
http://linked.open...v/mistoKonaniAkce	September 2006, Bouzov-Kozov (Moravia)
http://linked.open...i/riv/mistoVydani	Brno (Czech Rep.)
http://linked.open...i/riv/nazevZdroje	Proceedings of the Summer School DATASTAT'2006
http://linked.open...in/vavai/riv/obor	BA
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	1 (xsd:int)
http://linked.open...UplatneniVysledku	2007
http://linked.open...iv/tvurceVysledku	Veselý, Vítězslav
http://linked.open...vavai/riv/typAkce	CST - Celostátní
http://linked.open.../riv/zahajeniAkce	2006-01-01 (xsd:date)
http://linked.open...n/vavai/riv/zamer	DYNAMICKÁ GEOVIZUALIZACE V KRIZOVÉM MANAGEMENTU
number of pages	17 (xsd:int)
http://purl.org/ne...btex#hasPublisher	Masaryk University
https://schema.org/isbn	978-80-210-4493-7
http://localhost/t...ganizacniJednotka	14560

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