Acceso usuarios
Carlos Hernan Cardona Taborda, Julián González Vásquez, Carlos E. Montenegro Marín 
, Paulo Alonso Gaona García, Nancy Gelvez García
This paper presents the results of the construction of a prototype that provides a web platform to classify and recommend products, in an unstructured format, specifically using images. Using technologies such as Blockchain and the Interplanetary File System (IPFS), it is intended to provide a new approach that allows users to use the benefits of these technologies to provide security on the quality of stored information and on content access. I
