extractor

package

v2.0.12 Latest Latest Go to latest Published: Jul 17, 2026 License: MIT Imports: 2 Imported by: 0

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func BuildFromExtraction(ext *Extraction, chunk *core.Chunk) ([]core.Node, []core.Edge)

BuildFromExtraction 将缓存的原始提取结果绑定到当前 chunk 的 ID/DocID

func ContentHash(content string) string

ContentHash FNV-1a 哈希，将内容映射为 16 字符的十六进制 key

func SetCachedExtraction(store core.CacheStore, hashKey string, ext *Extraction) error

SetCachedExtraction 将实体提取结果写入 CacheStore

type ExtractedEntity struct {
	Name       string `json:"name"`
	EntityType string `json:"entity_type"`
}

ExtractedEntity 提取的实体

type ExtractedRelation struct {
	Subject   string `json:"subject"`
	Predicate string `json:"predicate"`
	Object    string `json:"object"`
}

ExtractedRelation 提取的关系

type Extraction struct {
	Entities  []ExtractedEntity   `json:"entities"`
	Relations []ExtractedRelation `json:"relations"`
}

Extraction 原始提取结果，与特定 chunk/doc ID 无关缓存的是"这段文字包含哪些实体和关系"

func GetCachedExtraction(store core.CacheStore, hashKey string) (*Extraction, error)

GetCachedExtraction 从 CacheStore 中查询实体提取缓存返回 nil 表示缓存未命中