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Multi-Token Prediction and Alternative Tokenization Improve Learning Latent Multi-Hop Graph Search at Scale

2026-10-22 15:35:50
Arvid Frydenlund, FuTe Wong, Katherine Lambert, Frank Rudzicz
arXiv_CL
     
Abstract

Given an unseen graph, a start node, $s$, and an end node, $t$, can a language model generate the shortest path from $s$ to $t$? Prior work has found that models fail to learn this task as the graphs scale. We show that this failure has two causes: the supervision signal and the tokenization. First, we theoretically establish and empirically demonstrate the effectiveness of multi-token prediction (MTP), and show that the benefits of MTP are topologically agnostic. Second, we introduce alternative tokenizations and show that the two causes are orthogonal. Using these methods, we break through the scaling wall observed by prior work, consistently and stably learning to solve the task at scales far beyond previous limits.

Abstract (translated)

URL

https://arxiv.org/abs/2610.31439

PDF

https://arxiv.org/pdf/2610.31439.pdf

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