The major problems of designing a data warehouse for e-commerce environments are:
-Handling of multimedia and semi-structured data
- Translation of paper catalog into a Web database
- Supporting user interface at the database level (e.g., navigation, store layout,
hyperlinks)
- Schema evolution (e.g., merging two catalogs, category of products, sold-out
products, new products)
- Data evolution (e.g., changes in specification and description, naming, prices)
- Handling meta data
- Capturing navigation data within the context
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