1. {n. d.}. Amazon Grabs 55 Percent of Consumers' First Product Search Set to Dominate 2016 Holiday Shopping. https://www.prnewswire.com/news-releases/amazon-grabs-55-percent-of-consumers-first-product-search-set-to-dominate-2016-holiday-shopping-300334545.html/. ({n. d.}). {n. d.}. Amazon Grabs 55 Percent of Consumers' First Product Search Set to Dominate 2016 Holiday Shopping. https://www.prnewswire.com/news-releases/amazon-grabs-55-percent-of-consumers-first-product-search-set-to-dominate-2016-holiday-shopping-300334545.html/. ({n. d.}).
2. {n. d.}. Google Merchant Center: The Google product taxonomy. https://www.google.com/retail/merchant-center/. ({n. d.}). {n. d.}. Google Merchant Center: The Google product taxonomy. https://www.google.com/retail/merchant-center/. ({n. d.}).
3. A Survey of Text Similarity Approaches