Explainable unsupervised query tagging
Read OriginalThis technical article details the implementation of an unsupervised query tagger for search query understanding, specifically for map queries. It uses evidence theory (Dempster-Shafer) and Python, leveraging OpenStreetMap data to tag queries with labels like POI, GEO, and CAT. The post includes the model's rationale, code references, and a discussion of gazetteers as evidence sources.
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