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Heath Vinicombe | Software Engineer, KnowledgePinterest is well known for its visual discovery engine, but much of our content is also accompanied by text. As a result, it’s important for us to be able to understand text to ensure we recommend relevant ideas to Pinners. In this blog post, I’ll talk about “annotations,” one of the main signals we use at Pinterest for understanding text.Overview of annotationsAnnotations are short keywords or phrases between one and six words that describe the sub...