Abstract
Nowadays, large shopping malls provide tools to help and boost customers to buy products. Some of these tools melt down digital operations with physical ones executed by customers into blended commerce experiences. On the other hand, ambient intelligence (AmI) represents a paradigm focused on equipping physical environments to define ergonomic spaces for people interacting with computer-based localized services which are ubiquitously accessible. In this context, we propose a framework based on cellular automata (CA), a very well known formal computational model, suitable to abstract services deployed into an AmI-based environment preserving certain privacy levels of shoppers’ information. CA-based algorithms are advantageous because they are distributed, scalable, on-line and require low costs to be deployed. This work proposes a recent application of CA, namely Cellular ANTomata, to implement a service by which shoppers are guided to find the suitable offerings for items in their shopping lists. A further result provided by this paper is the instantiation of a protocol for privacy-preserving shopping experience in the shopping mall.
Highlights
Blended Shopping is defined by the authors of [12] as the “execution of the transaction phases involving both, real sales and presentation mechanisms as well as network based sales functionality”
We propose a framework based on cellular automata (CA), a very well known formal computational model, suitable to abstract services deployed into an ambient intelligence (AmI)-based environment preserving certain privacy levels of shoppers’ information
This work proposes a recent application of CA, namely Cellular ANTomata, to implement a service by which shoppers are guided to find the suitable offerings for items in their shopping lists
Summary
Blended Shopping is defined by the authors of [12] as the “execution of the transaction phases (information, mediation, negotiation, contracting, fulfillment, and after-sales) involving both, real sales and presentation mechanisms as well as network based sales functionality”. We assume that the set of products that are recommended to the shoppers are the ones sold at minimum price within the mall or, more generally, the products sold at minimum price within the products that shops propose as special offers, promotions, or discounts We denote such a set by MP, this set corresponds to set of available products, referred to as AP, in "Implementation details of the Cellular ANTomata algorithm". Shop c receiving MPdc ir, for all dir ∈ {N , NE, E, SE, S, SW , W , NW }, computes the messages to be sent to its neighbors by executing similar steps of algorithm in "Implementation details of the Cellular ANTomata algorithm", where boolean operations to merge I-HAVE-PRODUCT and RELAY directives into one single message are substituted by the corresponding set operations (namely, substituting in (9) characteristic vectors with sets and ∨ with ∪). The questionnaire consisted in 6 Likert scale items, half of them proposed in positive form and the other half proposed in negative form
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