Unverified50% confidenceDecision RuleExact time
After documents are added, deleted or modified, index rebuilding or incremental updates must be triggered to prevent the knowledge base from falling out of sync with the source documents.
1
Sources
50%
Confidence
Long-term
Relevance
10/30/2026
First Seen
Sources
Related Entities
Related Claims
Unverified知识库增量更新应支持增量向量化而非每次全量重建，涉及文档版本管理和向量索引的增删改操作79% similarUnverifiedWhen updating a document, a delete-then-insert strategy at the document level is more reliable than chunk-by-chunk comparison updates, because under fixed-length chunking, modifying the beginning of a document causes all subsequent chunk boundaries to shift.75% similarUnverifiedThe incremental update strategy maintains a content hash or version number for each document, compares hash values to determine whether a document is new, modified, or deleted, and only performs embedding recalculation and index updates for changed portions.75% similarUnverifiedFor context clash, the fix is cleanup: once information is superseded by a new conclusion, delete the old version and do not let the two coexist.73% similarUnverifiedAn append-only change feed is a data stream design pattern: new records can only be appended to the end, existing records cannot be modified or deleted, ensuring historical traceability and consistency for subscribers.73% similar
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