RetrieverModels
All registered RetrieverModel components in DashAI.
| Name | Description |
|---|---|
| BM25Retriever | Sparse retriever using BM25 (Okapi) ranking for document retrieval. |
| DenseEmbeddingRetriever | Concrete dense retriever that accepts any :class:DenseEmbedding component. |
| MMRRerankerRetriever | Re-ranks retrieval results using Maximum Marginal Relevance for diversity. |
| ParallelRetriever | Queries multiple retrievers in parallel and merges their results. |
| SentenceTransformerCrossEncoderRetriever | Cross-encoder re-ranker powered by SentenceTransformer models. |
| SequentialRetriever | Queries multiple retrievers in sequence, re-ranking at each step. |
| TFIDFRetriever | Sparse retriever using TF-IDF vectorization for document retrieval. |