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Query 🔍 Hybrid Search

How Byte 2.0 retrieval works

BM25: IDF = log((N-df+0.5)/(df+0.5)+1), score = IDF * (tf*(k1+1))/(tf+k1*(1-b+b*dl/avgdl))
Embed: 64-dim hash embedding (each token → 3 buckets via md5/sha), L2 normalized, cosine similarity
Intent: Regex classifier for 14 intents (calculate, convert, generate, analyze, learn, plan, simulate, code, etc.)
Hybrid: final = BM25*0.4 + emb*6*0.3 + intent*4*0.15 + fuzzy*3*0.1 + feedback*0.05 + exact boosts
Graph: Related tools via cosine + category/intent boost, top 8 per tool
Re-rank: Title exact +5, phrase match +12, intent overlap +0.05 each