Natural language speech query processing (Wang 02 and Wang 03)

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Query Model

Confusion matrix Phrase Dictionary

Speech Query

Core Semantic String (CSS)

Key terms

Multi-Tier mapping

CSS is defined as the key terms in the query that helps convey the main semantics of the query. Example of CSS in the query “请帮我收集一些有关本拉登的新闻” (Please give me information on BinLadin) is 本拉登 (BinLadin).

Figure 2: System architectures

Speech Recognizer