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RKB109/hybrid-semantic-search-20260728-model

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Model Card

Hybrid Semantic Search Service Baseline Model

Model Description

This repository contains a small, transparent prototype model for Enterprise search needs explainable retrieval quality when embedding APIs are unavailable, expensive, or restricted.

The model combines per-label token weights with IDF-weighted evidence retrieval. It was generated for reproducible architecture demonstrations and does not call a hosted LLM.

Evaluation

—Held-out synthetic examples: 4
—Accuracy: 1
—Intended metrics: retrievalaccuracy, recallat3, meanreciprocal_rank

Intended Use

—Architecture prototyping
—CI and evaluation examples
—Local baseline comparisons
—Educational experimentation

Hugging Face Task Coverage

—sentence-similarity
—feature-extraction
—text-ranking
—question-answering

Limitations and Risks

The lightweight lexical baseline is reproducible but should be replaced or compared with domain embeddings at scale.

The dataset is synthetic and small. Do not use this model for consequential decisions without representative data, expert review, and production-grade evaluation.

Reproducibility

The linked GitHub repository includes train.py, the exact dataset split, evaluation code, and the model JSON format.