semantic-search

Describe the bug
Using from haystack.nodes import TransformersTranslator you can notice this warning:

.../site-packages/transformers/tokenization_utils_base.py:3538: FutureWarning:
prepare_seq2seq_batch is deprecated and will be removed in version 5 of HuggingFace Transformers. Use the regular
__call__ method to prepare your inputs and the tokenizer under the as_target_tokenizer c

Describe the bug

Elastiknn exceptions do not extend ElasticsearchException, so they seem to always be turned into a 500, when a 4xx would often be more appropriate.

Expected behavior

• When a query is incompatible with a mapping, use an exception that will get converted to a 400 response code. [See code where exception is initialized.](https://github.com/alexklibisz/elastiknn/blob

Is your feature request related to a problem? Please describe.
Support for multiple languages is required keeping with the essence of FOSS.

Describe the solution you'd like
Contributors who can understand English well enough and also native language to translate contents of the repository.
Add a separate FOLDER containing translations of the entire README.md with name README_Spanish/

The doc2query model to increase the ranking performance based on ideas from the https://arxiv.org/abs/2004.14503.

KoBART is used instead of T5 due to Korean performance issues.

Opened training data

• https://huggingface.co/datasets/squad_kor_v2