feat(ka-id v2.2): boost COLLABORATIVE_MODEL des recommandations du modèle ALS (kaid.py aligné sur ka-ui.git/kaid f844854)
Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
1 changed file +8 −2
modified
restoka/kaid.py
+8 −2
@@ -292,8 +292,10 @@ def rerank(items: list, user, *, features_of, uid_of=None, | |||||
| 292 | tail = items[max_considered:] | 292 | tail = items[max_considered:] | ||
| 293 | n = len(head) | 293 | n = len(head) | ||
| 294 | active = active_dims or set() | 294 | active = active_dims or set() | ||
| 295 | − # co-favoris des membres semblables (filtrage collaboratif du hub) | 295 | + # signaux collaboratifs du hub : co-favoris (item-item) et | ||
| 296 | + # recommandations du modèle de matrix factorization (ALS, batch quotidien) | ||||
| 296 | similar = {str(s) for s in (app_p.get("similar") or [])} | 297 | similar = {str(s) for s in (app_p.get("similar") or [])} | ||
| 298 | + mf = {str(s) for s in (app_p.get("mf") or [])} | ||||
| 297 | scored = [] | 299 | scored = [] | ||
| 298 | badged = 0 | 300 | badged = 0 | ||
| 299 | for i, it in enumerate(head): | 301 | for i, it in enumerate(head): | ||
@@ -303,9 +305,13 @@ def rerank(items: list, user, *, features_of, uid_of=None, | |||||
| 303 | profile.get("global") or {}, active) | 305 | profile.get("global") or {}, active) | ||
| 304 | except Exception: | 306 | except Exception: | ||
| 305 | p, reasons = None, [] | 307 | p, reasons = None, [] | ||
| 306 | − if similar and str(uid_of(it)) in similar: | 308 | + uid = str(uid_of(it)) | ||
| 309 | + if similar and uid in similar: | ||||
| 307 | p = min(1.0, (p if p is not None else 0.55) + 0.25) | 310 | p = min(1.0, (p if p is not None else 0.55) + 0.25) | ||
| 308 | reasons = (["SIMILAR_USERS"] + reasons)[:4] | 311 | reasons = (["SIMILAR_USERS"] + reasons)[:4] | ||
| 312 | + elif mf and uid in mf: | ||||
| 313 | + p = min(1.0, (p if p is not None else 0.55) + 0.25) | ||||
| 314 | + reasons = (["COLLABORATIVE_MODEL"] + reasons)[:4] | ||||
| 309 | if p is None: | 315 | if p is None: | ||
| 310 | final = (1.0 - blend) * base + blend * 0.5 | 316 | final = (1.0 - blend) * base + blend * 0.5 | ||
| 311 | else: | 317 | else: | ||
| 312 | 318 | ||||