Table 2 Edge- and User-level Performances in Exit_DS

Null Model

0.0358

0.0094

0.5596

0.6655

0.4583

0.5692

0.6514

CSMF

0.0557

0.0404

0.3955

0.7775

0.4211

0.3857

0.3806

NGCF

0.0728

0.0335

0.6312

0.6132

0.4833

0.5846

0.8257

LightGCN

0.0773

0.0388

0.6599

0.5766

0.5462

0.5956

0.8380

WLGCN (norm by user)

0.0754

0.0385

0.6543

0.5948

0.5083

0.5923

0.8624

WLGCN (norm by TF-IDF)

0.0776

0.0397

0.6494

0.5994

0.5333

0.5615

0.8532

WLGCN

0.0783

0.0395⁺

0.6642⁺

0.5860

0.5646⁺

0.6015^∗

0.8267

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

0.0885⁺

0.0449^∗

0.6702⁺

0.5743⁺

0.5622⁺

0.6150^∗

0.8332

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

0.0769⁺

0.0392^∗

0.6795^∗

0.5658^∗

0.5757⁺

0.6276^∗

0.8352

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

0.0902^∗

0.0458^∗

0.7065^∗

0.5422^∗

0.5733⁺

0.6654^∗

0.8807^∗

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

0.0770⁺

0.0390^∗

0.6896^∗

0.5578^∗

\(\textbf{0.5900}^{+}\)

0.6346^∗

0.8440

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

\(\textbf{0.0908}^{*}\)

\(\textbf{0.0459}^{*}\)

\(\textbf{0.7118}^{*}\)

\(\textbf{0.5367}^{*}\)

0.5817^∗

0.6731^∗

0.8807^∗

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

0.0749⁺

0.0384^∗

0.6922^∗

0.5496^∗

0.5567^∗

0.6577^∗

0.8624^∗

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

0.0881^∗

0.0444^∗

0.7091^∗

0.5402⁺

0.5567

\(\textbf{0.6808}^{*}\)

\(\textbf{0.8899}^{*}\)