Concept "Document Text Analysis"

About In this context… What links here? CONTENT [edit] EntityType "Concept" Keywords/Contexts Elasticsearch  Annotations [edit] [edit] Main Page ‎ (← links) Contexts ‎ (← links) Concept ‎ (← links) Template:EntitiesByEntityType ‎ (← links) Property:HasEntityType ‎ (← links) Property:HasEntityTitle ‎ (← links) Property:HasEntityKeyword ‎ (← links) Property:HasEntityTypeAndEntityTitle ‎ (← links) Elasticsearch ‎ (← links) [edit] See below…

What makes up an "Analyzer"?

Character filtering

• E.g. strip HTML tags or "I love u 2" → "I love you too", "&" → "and"

Token filtering

• E.g. lowercasing

How are analyzers (to be used by fields) specified?

(Analyzer usage by fields is specified in mapping.)

• for the index
• for a node
• for a type
• for a field
• for a query
• globally: in Elasticsearch's configuration file

What performs analysis?

	Type	Performs analysis?
Concept "Full text queries > match_phrase (aka proximity)"	QueryType	true
Concept "full_text/match_phrase_prefix"	QueryType	true
Concept "full_text/query_string"	QueryType	true