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--- |
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language: |
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- cs |
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- en |
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- de |
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- fr |
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- tu |
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- zh |
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- es |
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- ru |
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- multilingual |
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license: cc-by-sa-4.0 |
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tags: |
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- Summarization |
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- abstractive summarization |
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- mt5-base |
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- Czech |
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- text2text generation |
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- text generation |
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datasets: |
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- Multilingual_large_dataset_(multilarge) |
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- cnc/dm |
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- xsum |
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- mlsum |
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- cnewsum |
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- cnc |
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- sumeczech |
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metrics: |
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- rouge |
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- rougeraw |
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- MemesCS |
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--- |
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# mt5-base-multilingual-summarization-multilarge-cs |
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This model is a fine-tuned checkpoint of [google/mt5-base](https://huggingface.co/google/mt5-base) on the Multilingual large summarization dataset focused on Czech texts to produce multilingual summaries. |
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## Task |
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The model deals with a multi-sentence summary in eight different languages. With the idea of adding other foreign language documents, and by having a considerable amount of Czech documents, we aimed to improve model summarization in the Czech language. Supported languages: ```'cs': '<extra_id_0>', 'en': '<extra_id_1>','de': '<extra_id_2>', 'es': '<extra_id_3>', 'fr': '<extra_id_4>', 'ru': '<extra_id_5>', 'tu': '<extra_id_6>', 'zh': '<extra_id_7>'``` |
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#Usage |
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```python |
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## Configuration of summarization pipeline |
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# |
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def summ_config(): |
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cfg = OrderedDict([ |
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|
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## summarization model - checkpoint |
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# ctu-aic/m2m100-418M-multilingual-summarization-multilarge-cs |
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# ctu-aic/mt5-base-multilingual-summarization-multilarge-cs |
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# ctu-aic/mbart25-multilingual-summarization-multilarge-cs |
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("model_name", "ctu-aic/mbart25-multilingual-summarization-multilarge-cs"), |
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|
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## language of summarization task |
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# language : string : cs, en, de, fr, es, tr, ru, zh |
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("language", "en"), |
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|
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## generation method parameters in dictionary |
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# |
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("inference_cfg", OrderedDict([ |
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("num_beams", 4), |
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("top_k", 40), |
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("top_p", 0.92), |
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("do_sample", True), |
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("temperature", 0.95), |
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("repetition_penalty", 1.23), |
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("no_repeat_ngram_size", None), |
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("early_stopping", True), |
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("max_length", 128), |
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("min_length", 10), |
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])), |
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#texts to summarize values = (list of strings, string, dataset) |
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("texts", |
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[ |
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"english text1 to summarize", |
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"english text2 to summarize", |
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] |
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), |
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#OPTIONAL: Target summaries values = (list of strings, string, None) |
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('golds', |
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[ |
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"target english text1", |
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"target english text2", |
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]), |
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#('golds', None), |
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]) |
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return cfg |
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cfg = summ_config() |
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mSummarize = MultiSummarizer(**cfg) |
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summaries,scores = mSummarize(**cfg) |
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``` |
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## Dataset |
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Multilingual large summarization dataset consists of 10 sub-datasets mainly based on news and daily mails. For the training, it was used the entire training set and 72% of the validation set. |
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``` |
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Train set: 3 464 563 docs |
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Validation set: 121 260 docs |
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``` |
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| Stats | fragment | | | avg document length | | avg summary length | | Documents | |
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|-------------|----------|---------------------|--------------------|--------|---------|--------|--------|--------| |
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| __dataset__ |__compression__ | __density__ | __coverage__ | __nsent__ | __nwords__ | __nsent__ | __nwords__ | __count__ | |
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| cnc | 7.388 | 0.303 | 0.088 | 16.121 | 316.912 | 3.272 | 46.805 | 750K | |
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| sumeczech | 11.769 | 0.471 | 0.115 | 27.857 | 415.711 | 2.765 | 38.644 | 1M | |
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| cnndm | 13.688 | 2.983 | 0.538 | 32.783 | 676.026 | 4.134 | 54.036 | 300K | |
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| xsum | 18.378 | 0.479 | 0.194 | 18.607 | 369.134 | 1.000 | 21.127 | 225K| |
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| mlsum/tu | 8.666 | 5.418 | 0.461 | 14.271 | 214.496 | 1.793 | 25.675 | 274K | |
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| mlsum/de | 24.741 | 8.235 | 0.469 | 32.544 | 539.653 | 1.951 | 23.077 | 243K| |
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| mlsum/fr | 24.388 | 2.688 | 0.424 | 24.533 | 612.080 | 1.320 | 26.93 | 425K | |
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| mlsum/es | 36.185 | 3.705 | 0.510 | 31.914 | 746.927 | 1.142 | 21.671 | 291K | |
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| mlsum/ru | 78.909 | 1.194 | 0.246 | 62.141 | 948.079 | 1.012 | 11.976 | 27K| |
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| cnewsum | 20.183 | 0.000 | 0.000 | 16.834 | 438.271 | 1.109 | 21.926 | 304K | |
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#### Tokenization |
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Truncation and padding were set to 512 tokens for the encoder (input text) and 128 for the decoder (summary). |
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## Training |
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Trained based on cross-entropy loss. |
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``` |
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Time: 3 days 20 hours |
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Epochs: 1080K steps = 10 (from 10) |
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GPUs: 4x NVIDIA A100-SXM4-40GB |
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eloss: 2.462 - 1.797 |
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tloss: 17.322 - 1.578 |
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``` |
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### ROUGE results per individual dataset test set: |
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| ROUGE | ROUGE-1 | | | ROUGE-2 | | | ROUGE-L | | | |
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|-----------|---------|---------|-----------|--------|--------|-----------|--------|--------|---------| |
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| |Precision | Recall | Fscore | Precision | Recall | Fscore | Precision | Recall | Fscore | |
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| cnc | 30.62 | 19.83 | 23.44 | 9.94 | 6.52 | 7.67 | 22.92 | 14.92 | 17.6 | |
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| sumeczech | 27.57 | 17.6 | 20.85 | 8.12 | 5.23 | 6.17 | 20.84 | 13.38 | 15.81 | |
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| cnndm | 43.83 | 37.73 | 39.34 | 20.81 | 17.82 | 18.6 | 31.8 | 27.42 | 28.55 | |
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| xsum | 41.63 | 30.54 | 34.56 | 16.13 | 11.76 | 13.33 | 33.65 | 24.74 | 27.97 | |
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| mlsum-tu- | 54.4 | 43.29 | 46.2 | 38.78 | 31.31 | 33.23 | 48.18 | 38.44 | 41 | |
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| mlsum-de | 47.94 | 44.14 | 45.11 | 36.42 | 35.24 | 35.42 | 44.43 | 41.42 | 42.16 | |
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| mlsum-fr | 35.26 | 25.96 | 28.98 | 16.72 | 12.35 | 13.75 | 28.06 | 20.75 | 23.12 | |
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| mlsum-es | 33.37 | 24.84 | 27.52 | 13.29 | 10.05 | 11.05 | 27.63 | 20.69 | 22.87 | |
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| mlsum-ru | 0.79 | 0.66 | 0.66 | 0.26 | 0.2 | 0.22 | 0.79 | 0.66 | 0.65 | |
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| cnewsum | 24.49 | 24.38 | 23.23 | 6.48 | 6.7 | 6.24 | 24.18 | 24.04 | 22.91 | |
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# USAGE |
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``` |
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soon |
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``` |
