en
multilingual
de
it
es
fr tags:
instruction-tuning
text-generation-inference
text2text-generation widget:
text: Write an essay about meditation. [EOI] example_title: Essay Generation
text: Give me 5 steps to clean my room. [EOI] example_title: How-to Instructions
text: How are the continents formed? [EOI] example_title: Question-Answering
text: >- Prompt: A man draws a gun in a dark alley and asks for your wallet. You begrudgingly obey. He throws it on the ground, shoots it till it screeches, and turns to you; 'you are safe now'. Write a story about given prompt. [EOI] example_title: Story Generation
text: >- Write directions of a cooking recipe with these ingredients: chicken breast, carrots, green peas, celery, butter, onion, flour, salt, black pepper, celery seed, chicken broth, milk, unbaked pie crusts [EOI] example_title: Recipe Generation
text: >- Schreiben Sie einen Blogbeitrag über die Vorteile des Lesens von Büchern. [EOI] example_title: German Essay Generation inference: parameters: top_p: 0.9 do_sample: true max_length: 75 datasets:
akoksal/LongForm

LongForm-OPT-2.7B

The LongForm dataset is created by leveraging English corpus examples with reverse instructions. We select a diverse set of human-written documents from existing corpora such as C4 and Wikipedia and generate instructions for the given documents via LLMs. Then, we extend these examples with structured corpora examples such as Stack Exchange and WikiHow and task examples such as question answering, email writing, grammar error correction, story/poem generation, and text summarization.

Github Repo: https://github.com/akoksal/LongForm

For LongForm OPT and LLaMA models: Use [EOI] to indicate the end of instruction.

LongForm-T5-XL: https://huggingface.co/akoksal/LongForm-T5-XL

LongForm-OPT-6.7B: https://huggingface.co/akoksal/LongForm-OPT-6.7B

How to Load

python

import torch
from transformers import AutoTokenizer, AutoModelForCausalLM
model = AutoModelForCausalLM.from_pretrained("akoksal/LongForm-OPT-2.7B")
tokenizer = AutoTokenizer.from_pretrained("akoksal/LongForm-OPT-2.7B")

instruction = "Write an essay about meditation. [EOI]"
torch.manual_seed(42)
input_ids = tokenizer(instruction, return_tensors="pt").input_ids
target_ids = model.generate(input_ids, do_sample=True, max_new_tokens=50, top_p=0.9)
tokenizer.decode(target_ids[0], skip_special_tokens=True)
# Output:
# > Write an essay about meditation. [EOI]Do you need some inspiration to\
# meditate? Do you know someone who is a great meditator but you aren't sure\
# what to say to them? This might be the perfect opportunity to tell them.\
# The ability to listen and learn and grow can

Evaluation

We provide in-depth evaluation of LongForm models and baselines in the paper. We present the METEOR scores of models in out-of-domain datasets. In all tasks, Recipe Generation (RGen), long-form question answering (ELI5), short story generation (WritingPrompts/WP), LongForm models outperform prior instruction-tuned models.

	All	Recipe Generation	ELI5	Writing Prompts
T0++	10.9	18.7	3.8	10.2
Tk-Instruct	6.3	12.9*	3.6	2.4
Flan-T5	10.6	20.9*	3.5	7.4
Alpaca-LLaMA-7B	14.6	19.5	12.5	11.8
OPT-30B	11.1	18.6	12.2	2.6
LongForm-T5-XL	16.3	20.2	18.3	10.6
LongForm-OPT-2.7B	17.8	15.5	17.9	19.9
LongForm-OPT-6.7B	17.7	16.9	17.2	19.0
LongForm-LLaMA-7B‡	19.7	21.7	18.6	18.9

Smaller versions of LongForm-OPT models are also available:

‡: We can just release the difference between LongForm-LLaMA-7B and pretrained LLaMA-7B publicly due to restrictions of LLaMA models.

Limitations

The LongForm dataset and models mainly focus on long text generation and have limitations regarding structured prediction tasks in NLP. Additionally, we observe that LongForm models may present hallucination problems similar to those found in LLMs.

License

The LongForm project is subject to a MIT License with custom limitations for restrictions imposed by OpenAI (for the instruction generation part), as well as the license of language models (OPT, LLaMA, and T5). The WikiHow subset of LongForm-C is subject to the license proposed by WikiHow.

Citation

@misc{koksal2023longform,
      title={LongForm: Effective Instruction Tuning with Reverse Instructions}, 
      author={Abdullatif Köksal and Timo Schick and Anna Korhonen and Hinrich Schütze},
      year={2023},
      eprint={2304.08460},
      archivePrefix={arXiv},
      primaryClass={cs.CL}
}

RichardErkhov/akoksal_-_LongForm-OPT-2.7B-4bits

Original model description: