From e43b3f8aa36c198b95c1e46bea2eaf3893b13dc3 Mon Sep 17 00:00:00 2001 From: YurenHao0426 Date: Wed, 17 Dec 2025 04:29:37 -0600 Subject: Initial commit (clean history) --- src/personalization/user_model/scoring.py | 25 +++++++++++++++++++++++++ 1 file changed, 25 insertions(+) create mode 100644 src/personalization/user_model/scoring.py (limited to 'src/personalization/user_model/scoring.py') diff --git a/src/personalization/user_model/scoring.py b/src/personalization/user_model/scoring.py new file mode 100644 index 0000000..75ffc84 --- /dev/null +++ b/src/personalization/user_model/scoring.py @@ -0,0 +1,25 @@ +import numpy as np +from .tensor_store import UserState + +def score_with_user( + base_score: float, + user_state: UserState, + v_m: np.ndarray, # [k] + beta_long: float, + beta_short: float, +) -> float: + """ + Personalized scoring: + s = base_score + (beta_long * z_long + beta_short * z_short) . v_m + Day2: beta_long = beta_short = 0 -> s == base_score + """ + z_eff = beta_long * user_state.z_long + beta_short * user_state.z_short + # dot product + # Ensure shapes match + if v_m.shape != z_eff.shape: + # Just in case of dimension mismatch + return float(base_score) + + term = np.dot(z_eff, v_m) + return float(base_score + term) + -- cgit v1.2.3