Hi,
Please explain that how the below mentioned synonyms patterns work in Solr
Search as there exists several seperators for synonym patterns:
1.
#Explicit mappings match any token sequence on the LHS of "=>"
#and replace with all alternatives on the RHS. These types of mappings
#ignore the expand parameter in the schema.
#Examples:
i-pod, i pod => ipod,
sea biscuit, sea biscit => seabiscuit
2.
#Equivalent synonyms may be separated with commas and give
#no explicit mapping. In this case the mapping behavior will
#be taken from the expand parameter in the schema. This allows
#the same synonym file to be used in different synonym handling strategies.
#Examples:
ipod, i-pod, i pod
foozball , foosball
universe , cosmos
3.
# If expand==true, "ipod, i-pod, i pod" is equivalent to the explicit
mapping:
ipod, i-pod, i pod => ipod, i-pod, i pod
# If expand==false, "ipod, i-pod, i pod" is equivalent to the explicit
mapping:
ipod, i-pod, i pod => ipod
4.
#multiple synonym mapping entries are merged.
foo => foo bar
foo => baz
#is equivalent to
foo => foo bar, baz
5.
Explain the meaning of this pattern:
a\=>a => b\=>b
a\,a => b\,b
Questions:
A) Among the following what all characters works as delimeters :
Whitespace(" ") comma(",") "=>" "\" "/"
B) Also, please let us know whether there exists certain other patterns
apart from the above mentioned ones.
C) In the pattern : ipod, i-pod, i pod
Here how we will determine that "i pod" has to be treated as a single
word though it contains Whitespace.
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