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CHAPTER 9
FIGURE 9.5
SRU EXPLAIN Response
<index id=“21”>
<title>Subject</title>
<map>
<name set=“dc”>subject</name>
</map>
</index>
These indexes define the supported query types or indexes supported on
the SRU server. Looking at the EXPLAIN result, we can see that a number
of different query types are supported by the server. For example, a subject
query of “Columbus Ohio” could use any of the following searches:
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