What is "winnowtag"

winnowTag is a web-based recommender system and news aggregator in which a person tags example items as belonging to a topic, thus training statistical text classification software to find more items on that same topic. Released as a publicly available web application in September 2010 by Mindloom, winnowTag uses Winnow content recommendation, a Naive Bayes text classifier evolved from SpamBayes.

Users of winnowTag create and share tags, and use the shared tags of others to find on-topic content in real time. Users can add feeds, import OPML feed lists, and publish feeds of items found by tags. winnowTag collects and retains items from the last three months of thousands of blog, news, and website Atom and RSS feeds.