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kinjalrk2k/
Recommovie-Models

Name: Recommovie-Models
Availability: InStock

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Backend Data Artifacts

This directory stores the precomputed data used by the FastAPI recommender.

Files

merged_embeddings.npy — Float32 matrix of movie embeddings. Shape is recorded in merged_shape.txt (rows × dims).
merged_shape.txt — Two integers separated by a space or comma indicating the embedding matrix shape, e.g. 200000 384.
index.faiss — FAISS index built from merged_embeddings.npy for fast nearest‑neighbor queries.

Optional/auxiliary:

Any metadata/lookups you maintain (e.g., movies.csv, id→row maps) referenced by your Recommender class.

Expected Paths

The backend constructs paths like:

BASE_DIR = os.path.dirname(__file__)
DATA_DIR = os.path.join(BASE_DIR, "data")

If you relocate artifacts, update your app init or expose env vars to override.

Regenerating Artifacts (outline)

Produce/collect per‑movie text or features.
Encode to embeddings (e.g., sentence transformers) → save merged_embeddings.npy (Float32, contiguous).
Record shape in merged_shape.txt.
Build FAISS index (e.g., IndexFlatIP or IndexIVFFlat) and write to index.faiss.
Verify index/dims match the embeddings.

Example (Python, sketch):

python

import faiss, numpy as np
X = np.load('merged_embeddings.npy').astype('float32')
index = faiss.IndexFlatIP(X.shape[1])
faiss.normalize_L2(X)
index.add(X)
faiss.write_index(index, 'index.faiss')

Integrity & Size Tips

Keep dtype=float32; mismatched dims cause runtime errors.
Consider checksums (e.g., SHA256SUMS) for CI/CD verification.
Large files: use Git LFS or fetch on first run.

Licensing

Ensure your source datasets (TMDb, etc.) comply with their licenses and terms of use.

kinjalrk2k/Recommovie-Models