Do electronic marketplaces lower the price of goods?
Communications of the ACM
International Journal of Electronic Commerce
Supporting social networks by event-driven mobile notification services
OTM'07 Proceedings of the 2007 OTM confederated international conference on On the move to meaningful internet systems - Volume Part I
A virtual shopper customer assistant in pervasive environments
OTM'07 Proceedings of the 2007 OTM confederated international conference on On the move to meaningful internet systems - Volume Part I
Internet shopping optimization problem
International Journal of Applied Mathematics and Computer Science
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Shopping as a social activity may be a source of pleasure even if the shopping is very expensive. However, in many real-life situations customers are interested to buy products at possibly low prices. A shopping paradigm based on price comparison may be applied for both: buying in traditional shops and internet shopping. Unfortunately, price comparison applications available nowadays are focused on supporting customers in single product selection. Because of computational complexity, there is no support for managing multiple-item shopping basket optimization. Problem of optimal realization of multiple-item customer basket in Internet shops was proved to be NP-hard in computational sense. In the paper we propose a heuristic approach to optimizing shopping basket and report results of computational experiment. An application based on proposed algorithm provides an instant support for a customer while he builds his basket of products to be purchased.