Retail Search

v0-cranfield-opensearch-baseline

 Live Cranfield baseline

Mission-driven search experiments

Each phase gets its own focused workspace. The home page stays small: status, purpose, metrics, and links to the phase details.

Try Phase 1 Search View Evaluation
Phase 1Live

Cranfield Foundation

Production-shaped OpenSearch BM25 baseline with public search, explain, and evaluation evidence.

Cranfield aeronautics
MAP 0.2402 / nDCG@10 0.2995
Phase 2Planned

BEIR Transferability

Check that improvements transfer beyond Cranfield before accepting them.

BEIR-compatible benchmark
Not started
Phase 3Planned

Retail Relevance

Move from academic document search to product search with Amazon ESCI.

Amazon ESCI
Not started
Phase 4Planned

Behavioral Ranking

Introduce behavior signals only after earlier relevance gates justify the complexity.

Future behavior data
Not started

Dataset references

Cranfield collection Glasgow Cranfield test collection

Classic information retrieval collection with aeronautics documents, queries, and relevance judgments. Phase 1 indexes the 1,400-document collection.

BEIR benchmark BEIR project

Heterogeneous information retrieval benchmark for testing whether retrieval improvements transfer across tasks and datasets.

Amazon ESCI Shopping Queries Amazon Science esci-data

Product-search benchmark with Exact, Substitute, Complement, and Irrelevant relevance labels for query-product pairs.

Behavior signals Dataset not selected

Future phase. No public behavior dataset is selected yet; this phase will document the source, privacy boundary, and evaluation protocol before implementation.