Search Results for author: Sarah Alnegheimish

Found 9 papers, 6 papers with code

Single Word Change is All You Need: Designing Attacks and Defenses for Text Classifiers

no code implementations30 Jan 2024 Lei Xu, Sarah Alnegheimish, Laure Berti-Equille, Alfredo Cuesta-Infante, Kalyan Veeramachaneni

Experimental results on 4 datasets and BERT and distilBERT classifiers show that SP-Defense improves \r{ho} by 14. 6% and 13. 9% and decreases the attack success rate of SP-Attack by 30. 4% and 21. 2% on two classifiers respectively, and decreases the attack success rate of existing attack methods that involve multiple-word perturbations.

Data Augmentation Sentence +2

Making the End-User a Priority in Benchmarking: OrionBench for Unsupervised Time Series Anomaly Detection

1 code implementation26 Oct 2023 Sarah Alnegheimish, Laure Berti-Equille, Kalyan Veeramachaneni

The framework provides universal abstractions to represent models, extensibility to add new pipelines and datasets, hyperparameter standardization, pipeline verification, and frequent releases with published benchmarks.

Anomaly Detection Benchmarking +2

AER: Auto-Encoder with Regression for Time Series Anomaly Detection

3 code implementations27 Dec 2022 Lawrence Wong, Dongyu Liu, Laure Berti-Equille, Sarah Alnegheimish, Kalyan Veeramachaneni

We then propose AER (Auto-encoder with Regression), a joint model that combines a vanilla auto-encoder and an LSTM regressor to incorporate the successes and address the limitations of each method.

Anomaly Detection Benchmarking +3

Using Natural Sentences for Understanding Biases in Language Models

1 code implementation12 May 2022 Sarah Alnegheimish, Alicia Guo, Yi Sun

Evaluation of biases in language models is often limited to synthetically generated datasets.

Sentence

Probabilistic Programming Bots in Intuitive Physics Game Play

no code implementations5 Apr 2021 Fahad Alhasoun, Sarah Alnegheimish, Joshua Tenenbaum

Recent findings suggest that humans deploy cognitive mechanism of physics simulation engines to simulate the physics of objects.

Probabilistic Programming

TadGAN: Time Series Anomaly Detection Using Generative Adversarial Networks

5 code implementations16 Sep 2020 Alexander Geiger, Dongyu Liu, Sarah Alnegheimish, Alfredo Cuesta-Infante, Kalyan Veeramachaneni

However, detecting anomalies in time series data is particularly challenging due to the vague definition of anomalies and said data's frequent lack of labels and highly complex temporal correlations.

Benchmarking Time Series +2

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