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<http://purl.org/aida/Focal%20Loss%20addresses%20class%20imbalance%20by%20down-weighting%20easy-to-classify%20examples%20and%20placing%20more%20emphasis%20on%20hard-to-classify%20examples%20through%20tunable%20parameters%20%CE%B1%20%28weight%20between%20positive%20and%20negative%20samples%29%20and%20%CE%B3%20%28focusing%20parameter%20for%20adjusting%20loss%20magnitude%29.> <http://schema.org/about> <https://www.wikidata.org/wiki/Q2539> <https://w3id.org/sciencelive/np/RAjtHtk-7naiwkEajOVhb3uTzYHV76UII1uTxznaN5d-g/assertion> .
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