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fix mismatch in opinion handling #685

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Merged
lthoang merged 1 commit into from
Mar 29, 2026
+5 −5
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fix mismatch in opinion handling #685

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10 changes: 5 additions & 5 deletions cornac/models/companion/recom_companion.pyx
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Original file line number Diff line number Diff line change
Expand Up @@ -855,7 +855,7 @@ class Companion(Recommender):
s = 1
if user_item_aspect_neg_opinion_dict.my_map.find(get_key3(get_key(u_idx, i_idx), a_idx, o_jdx)) != user_item_aspect_neg_opinion_dict.my_map.end():
i_score = YN[idx]
j_score = user_item_aspect_pos_opinion_dict.my_map[get_key3(get_key(u_idx, i_idx), a_idx, o_jdx)]
j_score = user_item_aspect_neg_opinion_dict.my_map[get_key3(get_key(u_idx, i_idx), a_idx, o_jdx)]
if i_score == j_score:
skipped_uiaon += 1
continue
Expand All @@ -879,10 +879,10 @@ class Companion(Recommender):
for j in range(n_aspect_factors):
for i in range(n_user_factors):
del_g3[i, j, k] -= del_bpr_uiaon * U[u_idx, i] * A[a_idx, j] * uiaon_ij
del_u[u_idx, i] -= del_bpr_uiaon * G2[i, j, k] * A[a_idx, j] * uiaon_ij
del_a[a_idx, j] -= del_bpr_uiaon * G2[i, j, k] * U[u_idx, i] * uiaon_ij
del_o[o_idx, k] -= del_bpr_uiaon * G2[i, j, k] * U[u_idx, i] * A[a_idx, j]
del_o[o_jdx, k] += del_bpr_uiaon * G2[i, j, k] * U[u_idx, i] * A[a_idx, j]
del_u[u_idx, i] -= del_bpr_uiaon * G3[i, j, k] * A[a_idx, j] * uiaon_ij
del_a[a_idx, j] -= del_bpr_uiaon * G3[i, j, k] * U[u_idx, i] * uiaon_ij
del_o[o_idx, k] -= del_bpr_uiaon * G3[i, j, k] * U[u_idx, i] * A[a_idx, j]
del_o[o_jdx, k] += del_bpr_uiaon * G3[i, j, k] * U[u_idx, i] * A[a_idx, j]
for i in range(n_item_factors):
del_g3[n_user_factors + i, j, k] -= del_bpr_uiaon * I[i_idx, i] * A[a_idx, j] * uiaon_ij
del_i[i_idx, i] -= del_bpr_uiaon * G3[n_user_factors + i, j, k] * A[a_idx, j] * uiaon_ij
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