Un Modelo de Calidad de Datos para Portales Web - Grupo Alarcos
Un Modelo de Calidad de Datos para Portales Web - Grupo Alarcos
Un Modelo de Calidad de Datos para Portales Web - Grupo Alarcos
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PDQM : <strong>Mo<strong>de</strong>lo</strong> Operacional<br />
PDQM<br />
Teórico<br />
1.- Definición <strong>de</strong> un criterio <strong>para</strong><br />
organizar los atributos <strong>de</strong><br />
PDQM<br />
2.- Definición <strong>de</strong> una<br />
estructura <strong>para</strong> PDQM<br />
3.- Pre<strong>para</strong>ción <strong>de</strong> PDQM<br />
<strong>para</strong> evaluar la DQ<br />
4.- Validación<br />
PDQM<br />
Angélica Caro Gutiérrez, 2008 – mcaro@ubiobio.cl<br />
PDQM : <strong>Mo<strong>de</strong>lo</strong> Operacional<br />
1. Criterio <strong>para</strong> organizar los atributos <strong>de</strong> PDQM<br />
Categorías <strong>de</strong><br />
DQ (Wang &<br />
Strong, 1996)<br />
Intrínseca<br />
Accesibilidad<br />
Contextual<br />
Representacional<br />
DQ Category<br />
Intrinsic<br />
Operational<br />
Contextual<br />
Representational<br />
Data Quality Attributes<br />
Applicability, Completeness, Flexibility, Novelty,<br />
Reliability, Relevancy, Specialization, Timeliness,<br />
Validity, Value-Ad<strong>de</strong>d<br />
Angélica Caro Gutiérrez, 2008 – mcaro@ubiobio.cl<br />
Accuracy, Objectivity, Believability, Reputation,<br />
Currency, Duplicates, Expiration, Source’s information,<br />
Traceability<br />
Accessibility, Security, Interactivity, Availability,<br />
Customer support, Ease of operation, Response time<br />
Interpretability, <strong>Un</strong><strong>de</strong>rstandability, Concise<br />
Representation, Consistent Representation, Amount of<br />
Information, Attractiveness, Documentation, Organization<br />
Generación <strong>de</strong> cuatro fragmentos <strong>de</strong> BN, (Neil et al. 2000)<br />
51<br />
78<br />
52<br />
78<br />
26