Class: KeywordExtractor()
Extract keywords from a list of nodes.
Extends
KeywordExtractor<
Options>(nodes,options?):Promise<BaseNode<Metadata>[]>
Extract keywords from a list of nodes.
Type Parameters
• Options extends Record<string, unknown>
Parameters
• options?: Options
Returns
Defined in
packages/llamaindex/src/extractors/MetadataExtractors.ts:35
Constructors
new KeywordExtractor()
new KeywordExtractor(
options?):KeywordExtractor
Constructor for the KeywordExtractor class.
Parameters
• options?: KeywordExtractArgs
Returns
Throws
If keywords is less than 1.
Overrides
Defined in
packages/llamaindex/src/extractors/MetadataExtractors.ts:61
Properties
disableTemplateRewrite
disableTemplateRewrite:
boolean=false
Inherited from
BaseExtractor.disableTemplateRewrite
Defined in
packages/llamaindex/src/extractors/types.ts:16
id
id:
string
Inherited from
Defined in
packages/core/schema/dist/index.d.ts:171
inPlace
inPlace:
boolean=true
Inherited from
Defined in
packages/llamaindex/src/extractors/types.ts:17
isTextNodeOnly
isTextNodeOnly:
boolean=true
Inherited from
Defined in
packages/llamaindex/src/extractors/types.ts:13
keywords
keywords:
number=5
Number of keywords to extract.
Default
5
Defined in
packages/llamaindex/src/extractors/MetadataExtractors.ts:47
llm
llm:
LLM<object,object>
LLM instance.
Defined in
packages/llamaindex/src/extractors/MetadataExtractors.ts:40
metadataMode
metadataMode:
MetadataMode=MetadataMode.ALL
Inherited from
Defined in
packages/llamaindex/src/extractors/types.ts:15
numWorkers
numWorkers:
number=4
Inherited from
Defined in
packages/llamaindex/src/extractors/types.ts:18
promptTemplate
promptTemplate:
KeywordExtractPrompt
The prompt template to use for the question extractor.
Defined in
packages/llamaindex/src/extractors/MetadataExtractors.ts:53
showProgress
showProgress:
boolean=true
Inherited from
Defined in
packages/llamaindex/src/extractors/types.ts:14
Methods
extract()
extract(
nodes):Promise<ExtractKeyword[] |object[]>
Parameters
Nodes to extract keywords from.
Returns
Promise<ExtractKeyword[] | object[]>
Keywords extracted from the nodes.
Overrides
Defined in
packages/llamaindex/src/extractors/MetadataExtractors.ts:106
extractKeywordsFromNodes()
extractKeywordsFromNodes(
node):Promise<object|ExtractKeyword>
Parameters
Node to extract keywords from.
Returns
Promise<object | ExtractKeyword>
Keywords extracted from the node.
Defined in
packages/llamaindex/src/extractors/MetadataExtractors.ts:82
processNodes()
processNodes(
nodes,excludedEmbedMetadataKeys,excludedLlmMetadataKeys):Promise<BaseNode<Metadata>[]>
Parameters
Nodes to extract metadata from.
• excludedEmbedMetadataKeys: undefined | string[] = undefined
Metadata keys to exclude from the embedding.
• excludedLlmMetadataKeys: undefined | string[] = undefined
Metadata keys to exclude from the LLM.
Returns
Metadata extracted from the nodes.