Cross Domain Recommendation via Bi-directional Transfer Graph Collaborative Filtering Networks

Last update: Nov 30, 2022

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Overview

Bi-TGCF

Tensorflow Implementation of BiTGCF： Cross Domain Recommendation via Bi-directional Transfer Graph Collaborative Filtering Networks. in CIKM2020

DATASET

Download .csv file (rating only) from Amazon. The information about elec and Cell datasets in the paper were wrong. The first pair of datasets used in my paper is given here. The rest of the datasets are correct.

RUN

python main.py --dataset=electronic_cell --n_interaction=3 --lambda_s=0.8 --lambda_t=0.8

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Comments

there some positive item in negative sample test file

like Data/cell_electronic/test_neg.txt (106, 4600) 17037 11407 4007 10178 10584 4040 99 3451 2321 14557 16163 2996 12846 18027 3805 7551 15982 4600 3723 5667 7757 5627 14929 10718 297 17987 10634 11107 15151 10266 3594 16745 6374 12093 6135 9844 33 11378 13414 7902 17912 7149 8087 7470 9711 4958 1365 17630 2614 5350 8084 16607 10717 3411 17361 285 8716 12207 8854 6255 236 4583 4104 9766 8293 17180 2031 11024 9030 11069 6409 733 8985 12556 1087 4484 15439 8946 13347 6392 751 3492 310 11914 517 1559 10802 11511 7805 12077 9566 15255 14444 14277 14666 15099 85 13681 9042

opened by saladcat 18

this code is not consistent with paper

        for k in range(0, self.n_layers):
            if self.layer_fun == 'gcf':
                ego_embeddings_s = one_graph_layer_gcf(A_fold_hat_s, ego_embeddings_s, weights_s, k)
                ego_embeddings_t = one_graph_layer_gcf(A_fold_hat_t, ego_embeddings_t, weights_t, k)
            if k >= self.n_layers - self.n_interaction and self.n_interaction > 0:
                if self.fuse_type_in == 'la2add':
                    ego_embeddings_s, ego_embeddings_t = self.s_t_la2add_layer(ego_embeddings_s, ego_embeddings_t,
                                                                               self.lambda_s, self.lambda_t,
                                                                               self.domain_laplace)

            norm_embeddings_s = tf.math.l2_normalize(ego_embeddings_s, axis=1)
            norm_embeddings_t = tf.math.l2_normalize(ego_embeddings_t, axis=1)

            if self.connect_way == 'concat':
                all_embeddings_s += [norm_embeddings_s]
                all_embeddings_t += [norm_embeddings_t]
            elif self.connect_way == 'mean':
                all_embeddings_s += norm_embeddings_s
                all_embeddings_t += norm_embeddings_t
        if self.connect_way == 'concat':
            all_embeddings_s = tf.concat(all_embeddings_s, 1)
            all_embeddings_t = tf.concat(all_embeddings_t, 1)
        elif self.connect_way == 'mean':
            all_embeddings_s = all_embeddings_s / (self.n_layers + 1)
            all_embeddings_t = all_embeddings_t / (self.n_layers + 1)

where

            norm_embeddings_s = tf.math.l2_normalize(ego_embeddings_s, axis=1)
            norm_embeddings_t = tf.math.l2_normalize(ego_embeddings_t, axis=1)
            if self.connect_way == 'concat':
                all_embeddings_s += [norm_embeddings_s]
                all_embeddings_t += [norm_embeddings_t]
            elif self.connect_way == 'mean':
                all_embeddings_s += norm_embeddings_s
                all_embeddings_t += norm_embeddings_t

why you add norm_embedding to all_embeddings_s? this code is not consistent with paper !!!

opened by saladcat 6

re-run the code you posted and found that it is not as high as reported in the paper, there is some details I missed?

I re-run code as follow

CUDA_VISIBLE_DEVICES=0 python main.py --dataset=electronic_cell --n_interaction=3 --lambda_s=0.8 --lambda_t=0.8
CUDA_VISIBLE_DEVICES=1 python main.py --dataset=sport_cloth --n_interaction=3 --lambda_s=0.8 --lambda_t=0.8
CUDA_VISIBLE_DEVICES=2 python main.py --dataset=sport_cell --n_interaction=3 --lambda_s=0.8 --lambda_t=0.8
CUDA_VISIBLE_DEVICES=3 python main.py --dataset=electronic_cloth --n_interaction=3 --lambda_s=0.8 --lambda_t=0.8

and dataset generated by run filter_data.py and split_data but I get thus a result

did I have missed sth?

opened by saladcat 4

how generate cell_electronic dataset

I try to use filter_data.py and split_data.py to generate cell_electronic dataset by origin amazon rating file but there are 20447 user, which is different from you git repo ./Data. How can I reproduce this dataset?

opened by saladcat 0

Cross Domain Recommendation via Bi-directional Transfer Graph Collaborative Filtering Networks

Related tags

Overview

Bi-TGCF

DATASET

RUN

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Comments

there some positive item in negative sample test file

this code is not consistent with paper

re-run the code you posted and found that it is not as high as reported in the paper, there is some details I missed?

how generate cell_electronic dataset

Owner

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