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RobustQA
A Framework for Adversarial Text Generation Analysis on Question Answering Systems
Abstract
Question answering (QA) systems have reached human-level accuracy; however, these systems are not robust enough and are vulnerable to adversarial examples. Recently, adversarial attacks have been widely investigated in text classification. However, there have been few research efforts on this topic in QA. In this article, we have modified the attack algorithms widely used in text classification to fit those algorithms for QA systems. We have evaluated the impact of various attack methods on QA systems at character, word, and sentence levels. Furthermore, we have developed a new framework, named RobustQA, as the first open-source toolkit for investigating textual adversarial attacks in QA systems. RobustQA consists of seven modules: Tokenizer, Victim Model, Goals, Metrics, Attacker, Attack Selector, and Evaluator. It currently supports six different attack algorithms. Furthermore, the framework simplifies the development of new attack algorithms in QA.
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How to Cite
If you find this work useful to you, please cite:
ACL Anthology
Yasaman Boreshban, Seyed Morteza Mirbostani, Seyedeh Fatemeh Ahmadi, Gita Shojaee, Fatemeh Kamani, Gholamreza Ghassem-Sani, and Seyed Abolghasem Mirroshandel. 2023. RobustQA: A Framework for Adversarial Text Generation Analysis on Question Answering Systems. In Proceedings of the 2023 Conference on Empirical Methods in Natural Language Processing: System Demonstrations, pages 274–285, Singapore. Association for Computational Linguistics.
BibTeX
@inproceedings{boreshban-etal-2023-robustqa,
title = "{R}obust{QA}: A Framework for Adversarial Text Generation Analysis on Question Answering Systems",
author = "Boreshban, Yasaman and
Mirbostani, Seyed Morteza and
Ahmadi, Seyedeh Fatemeh and
Shojaee, Gita and
Kamani, Fatemeh and
Ghassem-Sani, Gholamreza and
Mirroshandel, Seyed Abolghasem",
editor = "Feng, Yansong and
Lefever, Els",
booktitle = "Proceedings of the 2023 Conference on Empirical Methods in Natural Language Processing: System Demonstrations",
month = dec,
year = "2023",
address = "Singapore",
publisher = "Association for Computational Linguistics",
url = "https://aclanthology.org/2023.emnlp-demo.24",
pages = "274--285",
abstract = "Question answering (QA) systems have reached human-level accuracy; however, these systems are not robust enough and are vulnerable to adversarial examples. Recently, adversarial attacks have been widely investigated in text classification. However, there have been few research efforts on this topic in QA. In this article, we have modified the attack algorithms widely used in text classification to fit those algorithms for QA systems. We have evaluated the impact of various attack methods on QA systems at character, word, and sentence levels. Furthermore, we have developed a new framework, named RobustQA, as the first open-source toolkit for investigating textual adversarial attacks in QA systems. RobustQA consists of seven modules: Tokenizer, Victim Model, Goals, Metrics, Attacker, Attack Selector, and Evaluator. It currently supports six different attack algorithms. Furthermore, the framework simplifies the development of new attack algorithms in QA. The source code and documentation of RobustQA are available at https://github.com/mirbostani/RobustQA.",
}
Presentations
RobustQA Presentation (4 min)
RobustQA Installation & Usage (2 min 20 sec)
Installation
Clone the following repository to your local system:
$ git clone https://github.com/mirbostani/RobustQA
$ cd RobustQA
Create an environment based on the provided environment.yml file to install the dependencies:
$ conda env create -f environment.yml
$ conda activate robustqa
Verify RobustQA:
$ python robustqa.py --version
RobustQA 1.0.0
Download required datasets:
$ ./download.sh
Usage Examples
Built-in Attacks & Victim Models via CLI
Run the TextFooler attack on the BERT Large model using the command-line interface.
$ cd RobustQA
$ python robustqa.py \
--use_cuda \
--victim_model_or_path "bert-base-uncased" \
--victim_tokenizer_or_path "bert-base-uncased" \
--dataset squad \
--dataset_split "validation[0:1000]" \
--truncation_max_length 512 \
--attack_recipe textfooler \
--batch_size 8 \
--language english \
--use_metric_f1_score \
--use_metric_exact_match \
--use_metric_edit_distance \
--use_metric_fluency \
--use_metric_grammatical_errors \
--use_metric_modification_rate \
--use_metric_semantic_similarity \
--use_metric_jaccard_char_similarity \
--use_metric_jaccard_word_similarity \
--visualization True
Attack scenarios in Bash scripts are available in ./examples/*.sh:
$ ./examples/textfooler_on_bert_base_uncased.sh
Built-in Attacks & Victim Models via Python
Run the TextFooler attack on the BERT Large model using Python.
from qa.victim.question_answering.transformers import TransformersQuestionAnswering
from qa.attackers.textfooler import TextFoolerAttacker
from qa.metric import QAScore, EditDistance
from qa.attack_eval import AttackEval
from transformers import AutoTokenizer, AutoModelForQuestionAnswering
from datasets import load_dataset
model_name = "bert-large-uncased-whole-word-masking-finetuned-squad"
tokenizer = AutoTokenizer.from_pretrained(model_name)
model = AutoModelForQuestionAnswering.from_pretrained(model_name)
victim = TransformersQuestionAnswering(
model=model,
tokenizer=tokenizer,
embedding_layer=model.bert.embeddings.word_embeddings,
device="cuda",
max_length=512,
truncation=True,
padding=True,
batch_size=8,
lang="english"
)
dataset = load_dataset("squad", split="validation[0:100]")
attacker = TextFoolerAttacker(tokenizer=victim.tokenizer, max_length=512)
metrics = [
QAScore(victim, "f1", "orig"),
QAScore(victim, "f1", "adv"),
QAScore(victim, "em", "orig"),
QAScore(victim, "em", "adv"),
EditDistance()
]
evaluator = AttackEval(attacker, victim, metrics=metrics)
evaluator.eval(dataset, visualize=True, progress_bar=True)
$ export PYTHONPATH="."
$ python ./examples/textfooler_on_bert_large_finetuned_squad.py
+===========================================+
| Summary |
+===========================================+
| Total Attacked Instances: | 100 |
| Successful Instances: | 16 |
| Attack Success Rate: | 0.16 |
| Avg. Running Time: | 0.40168 |
| Total Query Exceeded: | 0 |
| Avg. Victim Model Queries: | 76.3 |
| Avg. F1 Score (Orig): | 74.896 |
| Avg. F1 Score (Adv): | 65.351 |
| Avg. Exact Match (Orig): | 61 |
| Avg. Exact Match (Adv): | 54 |
| Avg. Levenshtein Edit Distance: | 1.375 |
+===========================================+
Help
$ python robustqa.py --help
usage: RobustQA [-h] [-m VICTIM_MODEL_OR_PATH] [-t VICTIM_TOKENIZER_OR_PATH]
[--truncation_max_length TRUNCATION_MAX_LENGTH]
[-r {pwws,textfooler,genetic,pso,bertattack,deepwordbug,scpn}]
[-b BATCH_SIZE] [-l {english}] [-d DATASET]
[--dataset_split DATASET_SPLIT] [--uncased UNCASED]
[--use_metric_f1_score] [--use_metric_exact_match]
[--use_metric_edit_distance] [--use_metric_fluency]
[--use_metric_grammatical_errors]
[--use_metric_modification_rate]
[--use_metric_semantic_similarity]
[--use_metric_jaccard_char_similarity]
[--use_metric_jaccard_word_similarity]
[--visualization VISUALIZATION] [--progress_bar PROGRESS_BAR]
[--use_cuda] [-v]
optional arguments:
-h, --help show this help message and exit
-m VICTIM_MODEL_OR_PATH, --victim_model_or_path VICTIM_MODEL_OR_PATH
A victim model's name or a trained/finetuned model's
local path
-t VICTIM_TOKENIZER_OR_PATH, --victim_tokenizer_or_path VICTIM_TOKENIZER_OR_PATH
Victim model's tokenizer
--truncation_max_length TRUNCATION_MAX_LENGTH
Maximum number of tokens after which truncation is to
occur
-r {pwws,textfooler,genetic,pso,bertattack,deepwordbug,scpn}, --attack_recipe {pwws,textfooler,genetic,pso,bertattack,deepwordbug,scpn}
Attack recipe
-b BATCH_SIZE, --batch_size BATCH_SIZE
Number of batches
-l {english}, --language {english}
-d DATASET, --dataset DATASET
Dataset to be used for attack
--dataset_split DATASET_SPLIT
Splitted dataset to be used for attack (e.g.,
'validation[0:10]'). Default is set to use all
datapoints.
--uncased UNCASED Consider samples as uncased
--use_metric_f1_score
Calculate F1 score metric
--use_metric_exact_match
Calculate EM metric
--use_metric_edit_distance
Calculate Edit Distance metric
--use_metric_fluency Calculate Fluency metric
--use_metric_grammatical_errors
Calculate Grammer metric
--use_metric_modification_rate
Calculate Modification Rate metric
--use_metric_semantic_similarity
Calculate Semantic Similarity metric
--use_metric_jaccard_char_similarity
Calculate Jaccard Character Similarity metric
--use_metric_jaccard_word_similarity
Calculate Jaccard Word Similarity metric
--visualization VISUALIZATION
Visualize the attack
--progress_bar PROGRESS_BAR
Show progress of the attack with progress bars
--use_cuda Enable CUDA
-v, --version Display current version of the package.