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Recommender systems that learn from implicit feedback often use large volumes of a single type of implicit user feedback, such as clicks, to enhance the prediction of sparse target behavior such as purchases. Using multiple types of…

Information Retrieval · Computer Science 2023-05-10 Xin Xin , Xiangyuan Liu , Hanbing Wang , Pengjie Ren , Zhumin Chen , Jiahuan Lei , Xinlei Shi , Hengliang Luo , Joemon Jose , Maarten de Rijke , Zhaochun Ren

Recent studies claim that human behavior in a two-armed Bernoulli bandit (TABB) task is described by positivity and confirmation biases, implying that humans do not integrate new information objectively. However, we find that even if the…

Artificial Intelligence · Computer Science 2025-05-14 Prakhar Godara

Safety-aligned large language models (LLMs) are becoming increasingly widespread, especially in sensitive applications where fairness is essential and biased outputs can cause significant harm. However, evaluating the fairness of models is…

Computation and Language · Computer Science 2026-03-19 Rom Himelstein , Amit LeVi , Brit Youngmann , Yaniv Nemcovsky , Avi Mendelson

A critical problem in deep learning is that systems learn inappropriate biases, resulting in their inability to perform well on minority groups. This has led to the creation of multiple algorithms that endeavor to mitigate bias. However, it…

Machine Learning · Computer Science 2024-04-24 Robik Shrestha , Kushal Kafle , Christopher Kanan

Pretrained multilingual models exhibit the same social bias as models processing English texts. This systematic review analyzes emerging research that extends bias evaluation and mitigation approaches into multilingual and non-English…

Computation and Language · Computer Science 2025-09-08 Lance Calvin Lim Gamboa , Yue Feng , Mark Lee

This paper describes several approaches for estimating the benchmark dose (BMD) in a risk assessment study with quantal dose-response data and when there are competing model classes for the dose-response function. Strategies involving a…

Statistics Theory · Mathematics 2019-11-19 Edsel A. Pena , Wensong Wu , Walter Piegorsch , Ronald W. West , Lingling An

Retriever-augmented instruction-following models are attractive alternatives to fine-tuned approaches for information-seeking tasks such as question answering (QA). By simply prepending retrieved documents in its input along with an…

Computation and Language · Computer Science 2024-04-18 Vaibhav Adlakha , Parishad BehnamGhader , Xing Han Lu , Nicholas Meade , Siva Reddy

This study finds that existing information retrieval (IR) models show significant biases based on the linguistic complexity of input queries, performing well on linguistically simpler (or more complex) queries while underperforming on…

Computation and Language · Computer Science 2025-04-11 Jiali Cheng , Hadi Amiri

The optimistic nature of the Q-learning target leads to an overestimation bias, which is an inherent problem associated with standard $Q-$learning. Such a bias fails to account for the possibility of low returns, particularly in risky…

Machine Learning · Computer Science 2021-11-05 Thommen George Karimpanal , Hung Le , Majid Abdolshah , Santu Rana , Sunil Gupta , Truyen Tran , Svetha Venkatesh

Machine learning models are increasingly being used in important decision-making software such as approving bank loans, recommending criminal sentencing, hiring employees, and so on. It is important to ensure the fairness of these models so…

Machine Learning · Computer Science 2020-09-23 Sumon Biswas , Hridesh Rajan

Question answering biases in video QA datasets can mislead multimodal model to overfit to QA artifacts and jeopardize the model's ability to generalize. Understanding how strong these QA biases are and where they come from helps the…

Computation and Language · Computer Science 2020-07-08 Jianing Yang , Yuying Zhu , Yongxin Wang , Ruitao Yi , Amir Zadeh , Louis-Philippe Morency

A standard way to evaluate the abilities of LLM involves presenting a multiple-choice question and selecting the option with the highest logit as the model's predicted answer. However, such a format for evaluating LLMs has limitations,…

Confirmation bias, the tendency to seek evidence that supports rather than challenges one's belief, hinders one's reasoning ability. We examine whether large language models (LLMs) exhibit confirmation bias by adapting the rule-discovery…

Computation and Language · Computer Science 2026-04-06 Ayush Rajesh Jhaveri , Anthony GX-Chen , Ilia Sucholutsky , Eunsol Choi

Implicit feedback (e.g., clicks, dwell times, etc.) is an abundant source of data in human-interactive systems. While implicit feedback has many advantages (e.g., it is inexpensive to collect, user centric, and timely), its inherent biases…

Information Retrieval · Computer Science 2016-08-17 Thorsten Joachims , Adith Swaminathan , Tobias Schnabel

Question answering (QA) models for reading comprehension have been demonstrated to exploit unintended dataset biases such as question-context lexical overlap. This hinders QA models from generalizing to under-represented samples such as…

Computation and Language · Computer Science 2021-09-24 Kazutoshi Shinoda , Saku Sugawara , Akiko Aizawa

The growing deployment of large language models (LLMs) has amplified concerns regarding their inherent biases, raising critical questions about their fairness, safety, and societal impact. However, quantifying LLM bias remains a fundamental…

Computation and Language · Computer Science 2025-05-26 Alireza Arbabi , Florian Kerschbaum

Several benchmarks have been built with heavy investment in resources to track our progress in NLP. Thousands of papers published in response to those benchmarks have competed to top leaderboards, with models often surpassing human…

Computation and Language · Computer Science 2022-10-17 Swaroop Mishra , Anjana Arunkumar , Chris Bryan , Chitta Baral

Bias auditing of language models (LMs) has received considerable attention as LMs are becoming widespread. As such, several benchmarks for bias auditing have been proposed. At the same time, the rapid evolution of LMs can make these…

Computation and Language · Computer Science 2024-09-26 Ioana Baldini , Chhavi Yadav , Manish Nagireddy , Payel Das , Kush R. Varshney

Investigating bias in large language models (LLMs) is crucial for developing trustworthy AI. While prompt-based through prompt engineering is common, its effectiveness relies on the assumption that models inherently understand biases. Our…

Computation and Language · Computer Science 2025-03-13 Xinyi Yang , Runzhe Zhan , Derek F. Wong , Shu Yang , Junchao Wu , Lidia S. Chao

Though notable progress has been made, neural-based aspect-based sentiment analysis (ABSA) models are prone to learn spurious correlations from annotation biases, resulting in poor robustness on adversarial data transformations. Among the…

Computation and Language · Computer Science 2024-06-07 Jialong Wu , Linhai Zhang , Deyu Zhou , Guoqiang Xu