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Speech
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documents
Speech
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translation
Phonetic
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Phonetic strings
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F IGURE 7. The QUIRK system for matching written queries to speech.Each
inputdocumentistranslated into a string of phonemes andthen stored. Queries
are also translated into phonemes, which can be matched to thedocuments.
Fig. 11.12 Clarification. A revision of the figure in Fig. 11.11 . The parallels between document
processing and query processing are emphasized, and the unnecessary material has been removed.
The two-headed arrow is replaced by two arrows, to show that data is exchanged
content, although two are poorly laid out. The table in Fig. 11.5 is of debatable value,
as the graph explains the data well and the precise timings may not be interesting.
The table in Fig. 11.7 is much less informative than the graph; in this case the table
should not be used.
A well-designed table has a logical hierarchical structure. Simple tables are an
arrangement of columns and rows, in which each column has a heading at the top
and each row has a label or stub at the left. In more complex tables, columns and
 
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