~/talk

How to Extract Anything from the Entire Internet

TalkinRussianat HighLoad++ 2022 · 2022-11-24..11-25· [web-platform, data-engineering]
links:none on file
slides:none on file

Presentation describes Yandex.Products, a system that crawls and indexes product offers across the entire internet, including large marketplaces (Ozon, Wildberries, Yandex.Market) and small shops with only dozens or hundreds of items. It covers the problems of finding and aggregating current offers from heterogeneous sites and the approach used to search, extract and present product data from both major marketplaces and long-tail online stores.

AI-written summary · about

  1. 0:00Introduction
  2. 3:38Task scope and requirements
  3. 5:46Price parsing problem
  4. 7:10Microdata and limits
  5. 8:14Selectors and manual parsers
  6. 10:42Manual approach issues
  7. 13:32DOM tree node classification
  8. 17:10Parsing flow optimization
  9. 21:06Price relevance and updates
  10. 24:58Fast price update loop
  11. 26:02Other parsing uses
  12. 26:59Q&A
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