--- tags: - sentence-summarization - multilingual - nlp - indicnlp datasets: - ai4bharat/IndicSentenceSummarization language: - as - bn - gu - hi - kn - ml - mr - or - pa - ta - te license: - mit widget: - जम्मू एवं कश्मीर के अनंतनाग जिले में शनिवार को सुरक्षाबलों के साथ मुठभेड़ में दो आतंकवादियों को मार गिराया गया। <2hi> --- # MultiIndicSentenceSummarization This repository contains the [IndicBART](https://huggingface.co/ai4bharat/IndicBART) checkpoint finetuned on the 11 languages of [IndicSentenceSummarization](https://huggingface.co/datasets/ai4bharat/IndicSentenceSummarization) dataset. For finetuning details, see the [paper](https://arxiv.org/abs/2203.05437). ## Using this model in `transformers` ``` from transformers import MBartForConditionalGeneration, AutoModelForSeq2SeqLM from transformers import AlbertTokenizer, AutoTokenizer tokenizer = AutoTokenizer.from_pretrained("ai4bharat/MultiIndicSentenceSummarization", do_lower_case=False, use_fast=False, keep_accents=True) # Or use tokenizer = AlbertTokenizer.from_pretrained("ai4bharat/MultiIndicSentenceSummarization", do_lower_case=False, use_fast=False, keep_accents=True) model = AutoModelForSeq2SeqLM.from_pretrained("ai4bharat/MultiIndicSentenceSummarization") # Or use model = MBartForConditionalGeneration.from_pretrained("ai4bharat/MultiIndicSentenceSummarization") # Some initial mapping bos_id = tokenizer._convert_token_to_id_with_added_voc("") eos_id = tokenizer._convert_token_to_id_with_added_voc("") pad_id = tokenizer._convert_token_to_id_with_added_voc("") # To get lang_id use any of ['<2as>', '<2bn>', '<2en>', '<2gu>', '<2hi>', '<2kn>', '<2ml>', '<2mr>', '<2or>', '<2pa>', '<2ta>', '<2te>'] # First tokenize the input. The format below is how IndicBART was trained so the input should be "Sentence <2xx>" where xx is the language code. Similarly, the output should be "<2yy> Sentence ". inp = tokenizer("जम्मू एवं कश्मीर के अनंतनाग जिले में शनिवार को सुरक्षाबलों के साथ मुठभेड़ में दो आतंकवादियों को मार गिराया गया। <2hi>", add_special_tokens=False, return_tensors="pt", padding=True).input_ids # For generation. Pardon the messiness. Note the decoder_start_token_id. model_output=model.generate(inp, use_cache=True,no_repeat_ngram_size=3, num_beams=5, length_penalty=0.8, early_stopping=True, pad_token_id=pad_id, bos_token_id=bos_id, eos_token_id=eos_id, decoder_start_token_id=tokenizer._convert_token_to_id_with_added_voc("<2hi>")) # Decode to get output strings decoded_output=tokenizer.decode(model_output[0], skip_special_tokens=True, clean_up_tokenization_spaces=False) print(decoded_output) # जम्मू एवं कश्मीरः अनंतनाग में सुरक्षाबलों के साथ मुठभेड़ में दो आतंकवादी ढेर # Note that if your output language is not Hindi or Marathi, you should convert its script from Devanagari to the desired language using the Indic NLP Library. ``` # Note: If you wish to use any language written in a non-Devanagari script, then you should first convert it to Devanagari using the Indic NLP Library. After you get the output, you should convert it back into the original script. ## Benchmarks Scores on the `IndicSentenceSummarization` test sets are as follows: Language | Rouge-1 / Rouge-2 / Rouge-L ---------|---------------------------- as | 60.46 / 46.77 / 59.29 bn | 51.12 / 34.91 / 49.29 gu | 47.89 / 29.97 / 45.92 hi | 50.7 / 28.11 / 45.34 kn | 77.93 / 70.03 / 77.32 ml | 67.7 / 54.42 / 66.42 mr | 48.06 / 26.98 / 46.5 or | 45.2 / 23.66 / 43.65 pa | 55.96 / 37.2 / 52.22 ta | 58.85 / 38.97 / 56.83 te | 54.81 / 35.28 / 53.44 ## Citation If you use this model, please cite the following paper: ``` @inproceedings{Kumar2022IndicNLGSM, title={IndicNLG Suite: Multilingual Datasets for Diverse NLG Tasks in Indic Languages}, author={Aman Kumar and Himani Shrotriya and Prachi Sahu and Raj Dabre and Ratish Puduppully and Anoop Kunchukuttan and Amogh Mishra and Mitesh M. Khapra and Pratyush Kumar}, year={2022}, url = "https://arxiv.org/abs/2203.05437" } ```