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Graph Few-Shot Learning via Knowledge Transfer

AAAI 2020 · Graph learning › GNN architectures · approach: Graph structure learning · 159 citations (OpenAlex)

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Measured effects reported in the paper

What was changedWhereMeasuredEffect
use graph-structured prototypes instead of mean-pooled prototypes (ablation)GFL · Collaboration, Reddit, Citation, Pubmedaccuracy: 80.49± 0.55% -> 83.79± 0.39%; 60.46±0.67% -> 63.14±0.51%; 95.12±0.17% -> 96.51± 0.31%; 87.90±0.54% -> 89.37±0.41%Helped
add the hierarchical graph representation gate (ablation)GFL · Collaboration, Reddit, Citation, Pubmedaccuracy: 82.63± 0.45% -> 83.79± 0.39%; 61.99± 0.27% -> 63.14±0.51%; 95.33±0.35% -> 96.51± 0.31%; 88.15± 0.55% -> 89.37±0.41%Helped
use hierarchical rather than flat graph representation (ablation)GFL · Collaboration, Reddit, Citation, Pubmedaccuracy: 83.45±0.41% -> 83.79± 0.39%; 62.55± 0.65% -> 63.14±0.51%; 95.76± 0.37% -> 96.51± 0.31%; 89.08± 0.47% -> 89.37±0.41%Helped
add graph reconstruction loss (ablation)GFL · Collaboration, Reddit, Citation, Pubmedaccuracy: 82.98±0.37% -> 83.79± 0.39%; 62.58±0.47% -> 63.14±0.51%; 95.63±0.27% -> 96.51± 0.31%; 89.11±0.43% -> 89.37±0.41%Helped
use attention rather than mean pooling to aggregate graph levels (ablation)GFL · Collaboration and Reddit versus Citation and Pubmedaccuracy: 83.51± 0.38% -> 83.79± 0.39%; 62.66±0.57% -> 63.14±0.51%; 96.51±0.31% -> 95.85±0.26%; 89.37±0.41% -> 88.96±0.43%Mixed
vary the relational-structure threshold μ among 0.5, 0.6, 0.7, and 0.8 (ablation)GFL · Collaboration, Reddit, Citation, Pubmedaccuracy: Collaboration: 83.79% (μ=0.5), 83.26% (μ=0.6), 83.31% (μ=0.7), 83.14% (μ=0.8); Reddit: 63.14%, 63.43%, 63.17%, 63.21%; CMixed
replace Top-k CN with Jaccard, Adamic-Adar, or PageRank for relational similarity (ablation)GFL · Collaboration, Reddit, Citation, Pubmedaccuracy: Jaccard: 82.98%, 62.71%, 95.18%, 88.91%; Adamic-Adar: 83.70%, 62.87%, 95.49%, 89.21%; PageRank: 84.14%, 63.08%, 95.93%, Mixed
replace inner-product distance with cosine distance (ablation)GFL · Collaboration, Reddit, Citation, Pubmedaccuracy: 83.79% -> 84.02%; 63.14% -> 62.95%; 96.51% -> 96.02%; 89.37% -> 89.25%Mixed

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