Understanding Speech Utterances in Mandarin Dialogue System
PR China · 2007
Inthispaper,�wepresentamandarinspokendialogu esystem—STRQS�(ShanghaiTrafficRouteQuerying� System),�whichisusedforqueryingbesttrafficro utebetweenanytwolocationsinShanghai.�Aseriesoflanguage� processingstrategiesisusedtounderstandspeechutterances.�Theunder standingprocessingisdoneinthreesteps:�First,� wordsegmentationandpartofspeechtaggingmodule �splitstheutteranceintowordsandlabelsthemwi thsemantic� categories.�Thesecondstepisarobustpartialpar singprocess.�ParsingisbasedonUnificationGramm ar�(UG).�An� augmentedchartalgorithmwithfeaturecomputingis �implemented.�Finally,�theparsedutteranceisasso ciatedwitha� semanticinterpreterbyaframemodule.�Semanticba sedanalysismethodwedevelopedcandirectlyextra ctinformation� fromtheoutputofaspeechrecognizer,�whichconta inserrorsandillformedcomponents.�Thetestingr esultsdemonstrate� therobustnessofourapproach.� nderstanding,�syntacticrules,�featurecomputing�