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Citation

Jurčíček Filip and Švec Jan and Müller Luděk : Extension of HVS semantic parser by allowing left-right branching . 2008 IEEE International Conference on Acoustics, Speech, and Signal Processing, vol. 2008, p. 4993-4996, IEEE, Las Vegas, Nevada, U.S.A., 2008.

Abstract

The hidden vector state (HVS) parser is a popular method for semantic parsing. It is used in the language understanding module of the statistical based spoken dialog system. This paper presents an extension of the HVS semantic parser. It enables the parser to generate broader class of semantic trees. This modication can be used to improve the performance of the parser by generating not only the right-branching trees (like original HVS parser) but also limited left-branching trees and their combinations. The extension retains simplicity and properties of the original HVS parser. We tested the method on Czech human-human train timetable corpus. The modied HVS parser yields statistically signicant improvement. The accuracy of the system increased from 50.4% to 58.3% absolutely.

Detail of publication

Title: Extension of HVS semantic parser by allowing left-right branching
Author: Jurčíček Filip ; Švec Jan ; Müller Luděk
Language: English
Year: 2008
Type of publication: Papers in proceedings of reviewed conferences
Title of journal or book: 2008 IEEE International Conference on Acoustics, Speech, and Signal Processing
Číslo vydání: 2008
Page: 4993 - 4996
ISBN: 978-1-4244-1483-3
Publisher: IEEE
Address: Las Vegas, Nevada, U.S.A.
Date: 4 Apr 2008
2011-03-15 16:21:31 / 2011-03-15 16:21:31 / 1

Keywords

semantic analysis, spoken dialogue systems, spoken language understanding

BibTeX

@INPROCEEDINGS{JurcicekFilip_2008_ExtensionofHVS,
 author = {Jur\v{c}\'{i}\v{c}ek Filip and \v{S}vec Jan and M\"{u}ller Lud\v{e}k},
 title = {Extension of HVS semantic parser by allowing left-right branching},
 year = {2008},
 publisher = {IEEE},
 journal = {2008 IEEE International Conference on Acoustics, Speech, and Signal Processing},
 address = {Las Vegas, Nevada, U.S.A.},
 volume = {2008},
 pages = {4993-4996},
 ISBN = {978-1-4244-1483-3},
 note = {Oprava ISBN:  p\r{u}vodn\'{i} bylo  1-4244-1484-9, opraveno podle WoS},
 url = {http://www.kky.zcu.cz/en/publications/JurcicekFilip_2008_ExtensionofHVS},
}