Isolated word recognition in the Sigma cognitive architecture (bibtex)
by Joshi, Himanshu, Rosenbloom, Paul S. and Ustun, Volkan
Abstract:
Symbolic architectures are effective at complex cognitive reasoning, but typically are incapable of important forms of sub-cognitive processing – such as perception – without distinct modules connected to them via low-bandwidth interfaces. Neural architectures, in contrast, may be quite effective at the latter, but typically struggle with the former. Sigma has been designed to leverage the state-of-the-art hybrid (discrete + continuous) mixed (symbolic + probabilistic) capability of graphical models to provide in a uniform non-modular fashion effective forms of, and integration across, both cognitive and sub-cognitive behavior. Here it is shown that Sigma is not only capable of performing a simple variant of speech recognition via the same knowledge structures and reasoning algorithm used for cognitive processing, but also of leveraging its existing knowledge templates and learning algorithm to acquire automatically most of the structures and parameters needed for this recognition activity.
Reference:
Isolated word recognition in the Sigma cognitive architecture (Joshi, Himanshu, Rosenbloom, Paul S. and Ustun, Volkan), In Biologically Inspired Cognitive Architectures, volume 10, 2014.
Bibtex Entry:
@article{joshi_isolated_2014,
	title = {Isolated word recognition in the {Sigma} cognitive architecture},
	volume = {10},
	issn = {2212683X},
	url = {http://linkinghub.elsevier.com/retrieve/pii/S2212683X14000644},
	doi = {10.1016/j.bica.2014.11.001},
	abstract = {Symbolic architectures are effective at complex cognitive reasoning, but typically are incapable of important forms of sub-cognitive processing – such as perception – without distinct modules connected to them via low-bandwidth interfaces. Neural architectures, in contrast, may be quite effective at the latter, but typically struggle with the former. Sigma has been designed to leverage the state-of-the-art hybrid (discrete + continuous) mixed (symbolic + probabilistic) capability of graphical models to provide in a uniform non-modular fashion effective forms of, and integration across, both cognitive and sub-cognitive behavior. Here it is shown that Sigma is not only capable of performing a simple variant of speech recognition via the same knowledge structures and reasoning algorithm used for cognitive processing, but also of leveraging its existing knowledge templates and learning algorithm to acquire automatically most of the structures and parameters needed for this recognition activity.},
	journal = {Biologically Inspired Cognitive Architectures},
	author = {Joshi, Himanshu and Rosenbloom, Paul S. and Ustun, Volkan},
	month = oct,
	year = {2014},
	keywords = {CogArch, Cognitive Architecture, UARC},
	pages = {1--9}
}
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