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### Self Checks
- [X] I have searched for existing issues [search for existing issues](https://github.com/langgenius/dify/issues), including closed ones.
- [X] I confirm that I am using English to su…
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I knew about hybrid retrieval. Recently I've heard BM25 mentioned a lot, let's try to use that. The question is how well ObjectBox will support that.
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**Is your feature request related to a problem? Please describe.**
bm25 on fields with no value returns 0.0, just as other fields which values are not matching.
This is an issue in learning to rank,…
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你好，
milvus在实现BM25时，预计对文档通过（当前文档作为Query，其余文档作为Doc）实现当前文档的embedding化。在计算真实Query时，通过IDF获得了embedding向量，最终通过两个向量的内积作为相似度。
这种做法和原始BM25计算公式还是不太一样。
麻烦问下，这种实现的出发点是什么呢，不同实现的性能是多少呢？
**BM25公式**
```math
\t…
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The problem involves implementing BM25, which improves TF-IDF
Learn will include how BM25 improves on TF-IDF
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### Is this your first time submitting a feature request?
- [X] I have searched the existing issues, and I could not find an existing issue for this feature
- [ ] I am requesting a straightforward ex…
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bm25s.BM25 save and load methods crash as they generate / load json files with non-ASCII characters.
This can be fixed with something like:
bm25s.BM25.save method:
```python
with open(vocab_pa…
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### Is there an existing issue for this?
- [X] I have searched the existing issues
### Environment
```markdown
- Milvus version:zhengbuqian-doc-in-restful-6c6dc54-20240913
- Deployment mode(standa…
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Hello, a very nice work!
I am using paradedb atm for bm25 pg search and I googled out this repo when checking whether there is an alternative implementation.
You say that creating bm25 index from ta…
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### What happened?
I encountered a shape mismatch error when using ColBERT’s ONNX model to generate embeddings for a batch of text chunks. While most batches work fine, some cause the following error…