Table 1 Edge- and User-level Performances in Entry_DS

Null Model

0.0176

0.0066

0.4628

0.7858

0.3672

0.4559

0.5474

CSMF

0.0457

0.0180

0.3929

0.7792

0.4061

0.4015

0.3717

NGCF

0.0539

0.0192

0.7192

0.5300

0.5862

0.7530

0.8184

LightGCN

0.0879

0.0377

0.7387

0.5079

0.5706

0.7389

0.9066

WLGCN (norm by user)

0.0728

0.0307

0.7445

0.4946

0.5955

0.7373

0.9006

WLGCN (norm by TF-IDF)

0.0668

0.0271

0.7399

0.4951

0.6004

0.7329

0.8864

WLGCN

0.0889^∗

0.0378^∗

0.7589

0.4891

0.6073

0.7593

0.9101^∗

WLGCN + (\(E_{\mathrm{HT}}\))

0.0896^∗

0.0381^∗

0.7678^∗

0.4803^∗

0.6367^∗

0.7730^∗

0.8938

WLGCN + (\(\mathcal{G}_{\mathrm{PathSim}}\))

0.0860^∗

0.0364^∗

0.7673^∗

0.4809^∗

0.6391^∗

0.7590^∗

0.9038

WLGCN + (\(E_{\mathrm{HT}}\), \(\mathcal{G}_{\mathrm{PathSim}}\))

\(\textbf{0.0921}^{*}\)

\(\textbf{0.0393}^{*}\)

0.7915^∗

0.4540^∗

0.6772^∗

\(\textbf{0.8010}^{*}\)

0.8963^∗

WLGCN + (\(\mathcal{G}_{\mathrm{Soc}}\))

0.0857⁺

0.0357⁺

0.7704

0.4790

0.6479⁺

0.7569

0.9064

WLGCN + (\(E_{\mathrm{HT}}\), \(\mathcal{G}_{\mathrm{Soc}}\))

0.0865^∗

0.0356^∗

0.7741^∗

0.4738⁺

0.6314^∗

0.7761^∗

\(\textbf{0.9147}^{*}\)

WLGCN + (\(\mathcal{G}_{\mathrm{PathSim}}\), \(\mathcal{G}_{\mathrm{Soc}}\))

0.0838^∗

0.0357^∗

0.7757^∗

0.4720^∗

0.6539^∗

0.7710^∗

0.9022

WLGCN + (\(E_{\mathrm{HT}}\), \(\mathcal{G}_{\mathrm{PathSim}}\), \(\mathcal{G}_{\mathrm{Soc}}\))

0.0917^∗

0.0392⁺

\(\textbf{0.7954}^{*}\)

\(\textbf{0.4507}^{*}\)

\(\textbf{0.6895}^{*}\)

0.7988^∗

0.8977^∗