A Portal Data Quality Model For Users And Developers

The measurement of the Data Quality is or should be a critical issue for Web portal users and developers. For the former, the evaluation of data quality is necessary as it ensures that the data obtained from a portal are appropriate for the use they need to put them to. For the latter, this represent the possibility of controlling whether their portal supplies data at a level of quality which satisfies its users and are thus able to obtain user preferences. Our research has led us to an awareness of these necessities, and as a result we have created a data quality model for Web portals (PDQM), which is orientated towards evaluating data quality from the perspective of the data consumer. This model can be used by both Web portal users and their developers. Part of this model has already been implemented through a tool (PoDQA), which is available at http://podqa.webportalquality.com. This paper presents the model that we have created, the tool, and its use by Web portal data consumers an...

• Type: Conference
• Year: 2007
• Where: IQ
• Authors: Angelica Caro, Coral Calero, Mario Piattini
• Keywords: Data Quality, Information Technology, IQ 2007, Web Portal, Web Portal Users