Abstract
The recent paper presents automatic retrieval of publicly available in-formation about products on the Internet, analysis and aggregation of this informationand sending the relevant notifications to the users. A Telegram bot has been deve-loped, which periodically checks the information for certain products and analyzes theretrieved data. This saves customers periodic visits to online stores. A number of com-mands have been developed and integrated in the bot that can be used by the users.We give examples of using the developed application for retrieving information aboutproduct availability, increasing or decreasing price, product reviews, posting new adson sales sites. Due to the lack of a unified standard for presenting product informationin e-commerce, it was necessary to develop adapters for each site. The application isbased on techniques for web data extraction, microservices and cron jobs. Possibilitiesfor further development of the presented application are also considered.A
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