HyperNTM: Evolving Scalable Neural Turing Machines Through HyperNEAT

Jakob Merrild, Mikkel Angaju Rasmussen, Sebastian Risi

Publikation: Konference artikel i Proceeding eller bog/rapport kapitelKonferencebidrag i proceedingsForskningpeer review

Abstrakt

Recent developments in memory-augmented neural networks allowed sequential problems requiring long-term memory to be solved, which were intractable for traditional neural networks. However, current approaches still struggle to scale to large memory sizes and sequence lengths. In this paper we show how access to an external memory component can be encoded geometrically through a novel HyperNEAT-based Neural Turing Machine (HyperNTM). The indirect HyperNEAT encoding allows for training on small memory vectors in a bit vector copy task and then applying the knowledge gained from such training to speed up training on larger size memory vectors. Additionally, we demonstrate that in some instances, networks trained to copy nine bit vectors can be scaled to sizes of 1,000 without further training. While the task in this paper is simple, the HyperNTM approach could now allow memory-augmented neural networks to scale to problems requiring large memory vectors and sequence lengths.
OriginalsprogEngelsk
TitelInternational Conference on the Applications of Evolutionary Computation : EvoApplications 2018
Antal sider17
ForlagSpringer
Publikationsdato2018
Sider750-766
ISBN (Elektronisk)978-3-319-77538-8
DOI
StatusUdgivet - 2018
NavnLecture Notes in Computer Science
Vol/bind10784
ISSN0302-9743

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