CreateSearchIndex

✖
`CreateSearchIndex`

[Experimental]

✖

CreateSearchIndex[dir]

creates a search index from all files in the directory dir and its subdirectories.

✖

CreateSearchIndex[{source₁,source₂,…}]

creates a search index from all sources source_i.

✖

CreateSearchIndex[sources,"name"]

gives the search index the specified name.

✖

CreateSearchIndex[]

creates an empty search index, which can be added to with AddToSearchIndex.

Details and Options

CreateSearchIndex yields a SearchIndexObject.
Possible sources used in CreateSearchIndex include:

	"file" or File[…]	individual file
	"dir" or File[…]	directory of files
	ContentObject[…]	content with metadata
	{obj₁,obj₂,…}	list of indexable objects

SearchIndices[] gives the list of search indices created by CreateSearchIndex.
CreateSearchIndex has the following options:

	ContentFieldOptions	Automatic	options for handling fields in the content
	ContentLocationFunction	Automatic	function to determine how to locate content
	DocumentWeightingRules	None	weighting of documents based on the values of certain fields
	Language	Automatic	what language to assume text is in
	Method	Automatic	what indexing method to use
	OverwriteTarget	False	whether to allow overwriting an existing index

Possible settings for Method include "BM25" and "TFIDF".

Examples

open allclose all

Basic Examples (2)Summary of the most common use cases

Create a search index from two files:

In[1]:=1

✖

https://wolfram.com/xid/0fq4rorku4ym1-n3c07l

Out[1]=1

TextSearch searches in the index:

In[2]:=2

✖

https://wolfram.com/xid/0fq4rorku4ym1-vnvf8e

Out[2]=2

Create a search index from all files and subfolders in a folder:

In[1]:=1

✖

https://wolfram.com/xid/0fq4rorku4ym1-tjol62

Out[1]=1

Search the index:

In[2]:=2

✖

https://wolfram.com/xid/0fq4rorku4ym1-r0rdgb

Out[2]=2

Options (2)Common values & functionality for each option

ContentFieldOptions (1)

Set a weight of 2 for the "Keywords" field:

In[1]:=1

✖

https://wolfram.com/xid/0fq4rorku4ym1-ja95fw

Out[1]=1

In[2]:=2

✖

https://wolfram.com/xid/0fq4rorku4ym1-e643yu

Out[2]=2

DocumentWeightingRules (1)

Weight documents according to the value of a "Quality" field:

In[1]:=1

✖

https://wolfram.com/xid/0fq4rorku4ym1-441in1

Out[1]=1

In[2]:=2

✖

https://wolfram.com/xid/0fq4rorku4ym1-yio71r

Out[2]=2

Top