Visual E-Commerce Values Filtering Framework with Spatial Database metric

M. Kopecky1 and P. Vojtas1

  1. Dpt. of Software Engineering, Faculty of Mathematics and Physics
    Charles University, Prague


Our customer preference model is based on aggregation of partly linear relaxations of value filters often used in e-commerce applications. Relaxation is motivated by the Analytic Hierarchy Processing method and combining fuzzy information in web accessible databases. In low dimensions our method is well suited also for data visualization. The process of translating models (user behavior) to programs (learned recommendation) is formalized by Challenge-Response Framework ChRF. ChRF resembles remote process call and reduction in combinatorial search problems. In our case, the model is automatically translated to a program using spatial database features. This enables us to define new metrics with visual motivation. We extend the conference paper with inductive ChRF, new representation of user and an additional method and metric. We provide experiments with synthetic data (items) and users.

Key words

E-commerce values filtering, spatial database, recommender systems, user preference learning, experiments, synthetic data, spatial evaluation measures

Digital Object Identifier (DOI)

Publication information

Volume 17, Issue 3 (October 2020)
Year of Publication: 2020
ISSN: 1820-0214 (Print) 2406-1018 (Online)
Publisher: ComSIS Consortium

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How to cite

Kopecky, M., Vojtas, P.: Visual E-Commerce Values Filtering Framework with Spatial Database metric. Computer Science and Information Systems, Vol. 17, No. 3, 983–1006. (2020),