Title
Grounded Language Learning in a Simulated 3D World.
Abstract
We are increasingly surrounded by artificially intelligent technology that takes decisions and executes actions on our behalf. This creates a pressing need for general means to communicate with, instruct and guide artificial agents, with human language the most compelling means for such communication. To achieve this in a scalable fashion, agents must be able to relate language to the world and to actions; that is, their understanding of language must be grounded and embodied. However, learning grounded language is a notoriously challenging problem in artificial intelligence research. Here we present an agent that learns to interpret language in a simulated 3D environment where it is rewarded for the successful execution of written instructions. Trained via a combination of reinforcement and unsupervised learning, and beginning with minimal prior knowledge, the agent learns to relate linguistic symbols to emergent perceptual representations of its physical surroundings and to pertinent sequences of actions. The agentu0027s comprehension of language extends beyond its prior experience, enabling it to apply familiar language to unfamiliar situations and to interpret entirely novel instructions. Moreover, the speed with which this agent learns new words increases as its semantic knowledge grows. This facility for generalising and bootstrapping semantic knowledge indicates the potential of the present approach for reconciling ambiguous natural language with the complexity of the physical world.
Year
Venue
Field
2017
arXiv: Computation and Language
Semantic memory,Computer science,Bootstrapping,Embodied cognition,Unsupervised learning,Natural language,Language acquisition,Natural language processing,Artificial intelligence,Perception,Comprehension,Machine learning
DocType
Volume
Citations 
Journal
abs/1706.06551
23
PageRank 
References 
Authors
0.90
16
14
Name
Order
Citations
PageRank
Karl Moritz Hermann1113147.50
Felix Hill234617.90
Simon Green3585.39
Fumin Wang4491.71
Ryan Faulkner51084.48
Hubert Soyer61357.32
David Szepesvari7230.90
Wojciech Marian Czarnecki833823.53
Max Jaderberg9161454.60
Denis Teplyashin10432.89
Marcus Wainwright11231.24
Chris Apps12230.90
Demis Hassabis134924191.12
Phil Blunsom143130152.18