chunking Strategy
Parameters
Knowledge base can split your source data into chunks. A chunk refers to an excerpt from a data source that is returned when the knowledge base that it belongs to is queried. You have the following options for chunking your data. If you opt for NONE
, then you may want to pre-process your files by splitting them up such that each file corresponds to a chunk.
FIXED_SIZE
– Amazon Bedrock splits your source data into chunks of the approximate size that you set in thefixedSizeChunkingConfiguration
.HIERARCHICAL
– Split documents into layers of chunks where the first layer contains large chunks, and the second layer contains smaller chunks derived from the first layer.SEMANTIC
– Split documents into chunks based on groups of similar content derived with natural language processing.NONE
– Amazon Bedrock treats each file as one chunk. If you choose this option, you may want to pre-process your documents by splitting them into separate files.