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How can we measure whether a natural language generation system produces both high quality and diverse outputs? Human evaluation captures quality but not diversity, as it does not catch models that simply plagiarize from the training set.…

Computation and Language · Computer Science 2019-04-08 Tatsunori B. Hashimoto , Hugh Zhang , Percy Liang

Recent work has suggested post-hoc explainers might be ineffective for detecting spurious correlations in Deep Neural Networks (DNNs). However, we show there are serious weaknesses with the existing evaluation frameworks for this setting.…

Machine Learning · Computer Science 2022-11-16 Shea Cardozo , Gabriel Islas Montero , Dmitry Kazhdan , Botty Dimanov , Maleakhi Wijaya , Mateja Jamnik , Pietro Lio

The explosion of open-sourced models and Question-Answering (QA) datasets emphasizes the importance of automated QA evaluation. We studied the statistics of the existing evaluation metrics for a better understanding of their limitations. By…

Computation and Language · Computer Science 2024-10-15 Yun Joon Soh , Jishen Zhao

Fairness testing aims at mitigating unintended discrimination in the decision-making process of data-driven AI systems. Individual discrimination may occur when an AI model makes different decisions for two distinct individuals who are…

Software Engineering · Computer Science 2022-09-20 Minghua Ma , Zhao Tian , Max Hort , Federica Sarro , Hongyu Zhang , Qingwei Lin , Dongmei Zhang

Recent published evidence from frontier laboratories shows that contemporary AI models can recognise evaluation contexts, latently represent them, and behave differently under those contexts than under deployment-continuous conditions.…

Artificial Intelligence · Computer Science 2026-05-13 Varad Vishwarupe , Nigel Shadbolt , Marina Jirotka , Ivan Flechais

As Large Language Models (LLMs) grow increasingly adept at managing complex tasks, the evaluation set must keep pace with these advancements to ensure it remains sufficiently discriminative. Item Discrimination (ID) theory, which is widely…

Computation and Language · Computer Science 2024-10-08 Fan Lin , Shuyi Xie , Yong Dai , Wenlin Yao , Tianjiao Lang , Zishan Xu , Zhichao Hu , Xiao Xiao , Yuhong Liu , Yu Zhang

Large language models (LLMs) are widely adopted to generate synthetic datasets for various natural language processing (NLP) tasks, such as text classification and summarization. However, accurately measuring the diversity of these…

Computation and Language · Computer Science 2025-08-15 Yuchang Zhu , Huizhe Zhang , Bingzhe Wu , Jintang Li , Zibin Zheng , Peilin Zhao , Liang Chen , Yatao Bian

This paper discusses two existing approaches to the correlation analysis between automatic evaluation metrics and human scores in the area of natural language generation. Our experiments show that depending on the usage of a system- or…

Computation and Language · Computer Science 2021-03-16 Anastasia Shimorina

Reliable evaluation of modern zero-shot text-to-speech (TTS) models remains challenging. Subjective tests are costly and hard to reproduce, while objective metrics often saturate, failing to distinguish SOTA systems. To address this, we…

Sound · Computer Science 2026-03-26 Shengfan Shen , Di Wu , Xingchen Song , Dinghao Zhou , Liumeng Xue , Meng Meng , Jian Luan , Shuai Wang

Feedback in creativity support tools can help crowdworkers to improve their ideations. However, current feedback methods require human assessment from facilitators or peers. This is not scalable to large crowds. We propose Interpretable…

Human-Computer Interaction · Computer Science 2022-03-29 Yunlong Wang , Priyadarshini Venkatesh , Brian Y. Lim

In the field of educational assessment, automated scoring systems increasingly rely on deep learning and large language models (LLMs). However, these systems face significant risks of bias amplification, where model prediction gaps between…

Computation and Language · Computer Science 2026-04-21 Yun Wang , Xuansheng Wu , Jingyuan Huang , Lei Liu , Xiaoming Zhai , Ninghao Liu

Improving the accessibility of psychotherapy with the aid of Large Language Models (LLMs) is garnering a significant attention in recent years. Recognizing cognitive distortions from the interviewee's utterances can be an essential part of…

Computation and Language · Computer Science 2024-03-22 Sehee Lim , Yejin Kim , Chi-Hyun Choi , Jy-yong Sohn , Byung-Hoon Kim

Predicting students' academic performance is one of the key tasks of educational data mining (EDM). Traditionally, the high forecasting quality of such models was deemed critical. More recently, the issues of fairness and discrimination…

Machine Learning · Computer Science 2023-01-31 Tai Le Quy , Thi Huyen Nguyen , Gunnar Friege , Eirini Ntoutsi

Large language models can now directly generate answers to many factual questions without referencing external sources. Unfortunately, relatively little attention has been paid to methods for evaluating the quality and correctness of these…

Information Retrieval · Computer Science 2024-01-11 Negar Arabzadeh , Amin Bigdeli , Charles L. A. Clarke

This paper revisits recent code similarity evaluation metrics, particularly focusing on the application of Abstract Syntax Tree (AST) editing distance in diverse programming languages. In particular, we explore the usefulness of these…

Computation and Language · Computer Science 2025-06-06 Yewei Song , Cedric Lothritz , Daniel Tang , Tegawendé F. Bissyandé , Jacques Klein

Predictive student models are increasingly used in learning environments. However, due to the rising social impact of their usage, it is now all the more important for these models to be both sufficiently accurate and fair in their…

Computers and Society · Computer Science 2024-07-09 Mélina Verger , Chunyang Fan , Sébastien Lallé , François Bouchet , Vanda Luengo

The goal of diversity sampling is to select a representative subset of data in a way that maximizes information contained in the subset while keeping its cardinality small. We introduce the ordered diverse sampling problem based on a new…

Computation and Language · Computer Science 2025-03-17 Ashish Tiwari , Mukul Singh , Ananya Singha , Arjun Radhakrishna

We study fairness in collaborative-filtering recommender systems, which are sensitive to discrimination that exists in historical data. Biased data can lead collaborative filtering methods to make unfair predictions against minority groups…

Computers and Society · Computer Science 2017-12-15 Sirui Yao , Bert Huang

Data-driven software is increasingly being used as a critical component of automated decision-support systems. Since this class of software learns its logic from historical data, it can encode or amplify discriminatory practices. Previous…

Software Engineering · Computer Science 2025-01-22 Verya Monjezi , Ashutosh Trivedi , Vladik Kreinovich , Saeid Tizpaz-Niari

Anomaly detection (AD) is a machine learning task that identifies anomalies by learning patterns from normal training data. In many real-world scenarios, anomalies vary in severity, from minor anomalies with little risk to severe…

Machine Learning · Computer Science 2024-11-25 Tri Cao , Minh-Huy Trinh , Ailin Deng , Quoc-Nam Nguyen , Khoa Duong , Ngai-Man Cheung , Bryan Hooi