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Large Language Models (LLMs) often exhibit inconsistent behavior when answering paraphrased questions, suggesting a reliance on surface-level patterns rather than true semantic understanding. To address this limitation, we introduce RoParQ,…

Computation and Language · Computer Science 2025-11-27 Minjoon Choi

Traditional code instruction data synthesis methods suffer from limited diversity and poor logic. We introduce Infinite-Instruct, an automated framework for synthesizing high-quality question-answer pairs, designed to enhance the code…

Computation and Language · Computer Science 2025-05-30 Wenjing Xing , Wenke Lu , Yeheng Duan , Bing Zhao , Zhenghui kang , Yaolong Wang , Kai Gao , Lei Qiao

Although AI agents have demonstrated impressive capabilities in long-horizon reasoning, their reliability is severely hampered by the ``Spiral of Hallucination,'' where early epistemic errors propagate irreversibly. Existing methods face a…

Artificial Intelligence · Computer Science 2026-01-23 Jiaxin Zhang , Prafulla Kumar Choubey , Kung-Hsiang Huang , Caiming Xiong , Chien-Sheng Wu

The proliferation of videos collected during in-the-wild natural settings has pushed the development of effective Video Quality Assessment (VQA) methodologies. Contemporary supervised opinion-driven VQA strategies predominantly hinge on…

Computer Vision and Pattern Recognition · Computer Science 2023-05-01 Haoning Wu , Liang Liao , Annan Wang , Chaofeng Chen , Jingwen Hou , Wenxiu Sun , Qiong Yan , Weisi Lin

Class imbalance remains a critical challenge in machine learning (ML), particularly in the medical domain, where underrepresented minority classes lead to biased models and reduced predictive performance. This study introduces…

Machine Learning · Computer Science 2025-09-04 Vikas Kashtriya , Pardeep Singh

We present a real-world application that uses a quantum computer. Specifically, we train a RBM using QA for cybersecurity applications. The D-Wave 2000Q has been used to implement QA. RBMs are trained on the ISCX data, which is a benchmark…

Quantum technology has entered the era of noisy intermediate-scale quantum (NISQ) information processing. The technological revolution of machine learning represented by generative models heralds a great prospect of artificial intelligence,…

Quantum Physics · Physics 2025-06-06 Wei-Wei Zhang , Xiaopeng Huang , Shenglin Shan , Wei Zhao , Beiya Yang , Wei Pan , Haobin Shi

Question answering (QA) is an important natural language processing (NLP) task and has received much attention in academic research and industry communities. Existing QA studies assume that questions are raised by humans and answers are…

Computation and Language · Computer Science 2019-01-15 Qing Yin , Guan Luo , Xiaodong Zhu , Qinghua Hu , Ou Wu

Offline Reinforcement Learning (RL) focuses on learning policies solely from a batch of previously collected data. offering the potential to leverage such datasets effectively without the need for costly or risky active exploration. While…

Machine Learning · Computer Science 2025-06-06 Riccardo Zamboni , Enrico Brunetti , Marcello Restelli

End-to-end question answering (QA) requires both information retrieval (IR) over a large document collection and machine reading comprehension (MRC) on the retrieved passages. Recent work has successfully trained neural IR systems using…

Computation and Language · Computer Science 2020-12-03 Revanth Gangi Reddy , Bhavani Iyer , Md Arafat Sultan , Rong Zhang , Avi Sil , Vittorio Castelli , Radu Florian , Salim Roukos

Emerging personal AI agents are moving toward persistent, multi-source memory. This creates an evaluation problem: systems must decide how to use conflicting or incomplete evidence; they cannot just retrieve facts from one clean history.…

Artificial Intelligence · Computer Science 2026-05-29 Tiancheng Yang , Matthias Schonlau , Ilia Sucholutsky

The GPT-4 technical report suggests that downstream performance can be predicted from pre-training signals, but offers little methodological detail on how to quantify this. This work address this gap by modeling knowledge retention, the…

Large Language Models (LLMs) have demonstrated remarkable capability in a variety of NLP tasks. However, LLMs are also prone to generate nonfactual content. Uncertainty Quantification (UQ) is pivotal in enhancing our understanding of a…

Computation and Language · Computer Science 2024-10-07 Caiqi Zhang , Fangyu Liu , Marco Basaldella , Nigel Collier

Recommender systems traditionally represent items using unique identifiers (ItemIDs), but this approach struggles with large, dynamic item corpora and sparse long-tail data, limiting scalability and generalization. Semantic IDs, derived…

Information Retrieval · Computer Science 2026-03-03 Yi Xu , Moyu Zhang , Chenxuan Li , Zhihao Liao , Haibo Xing , Hao Deng , Jinxin Hu , Yu Zhang , Xiaoyi Zeng , Jing Zhang

Most domain adaptation methods for machine reading comprehension (MRC) use a pre-trained question-answer (QA) construction model to generate pseudo QA pairs for MRC transfer. Such a process will inevitably introduce mismatched pairs (i.e.,…

Machine Learning · Computer Science 2022-09-26 Liang Jiang , Zhenyu Huang , Jia Liu , Zujie Wen , Xi Peng

Magnetic resonance imaging (MRI) quality assessment is crucial for clinical decision-making, yet remains challenging due to data scarcity and protocol variability. Traditional approaches face fundamental trade-offs: signal-based methods…

Computer Vision and Pattern Recognition · Computer Science 2025-09-30 Fankai Jia , Daisong Gan , Zhe Zhang , Zhaochi Wen , Chenchen Dan , Dong Liang , Haifeng Wang

Dynamical systems arise in a wide variety of mathematical models from science and engineering. A common challenge is to quantify uncertainties on model inputs (parameters) that correspond to a quantitative characterization of uncertainties…

Numerical Analysis · Mathematics 2021-07-19 Steven Mattis , Kyle Robert Steffen , Troy Butler , Clint N. Dawson , Donald Estep

Super-resolution (SR), a classical inverse problem in computer vision, is inherently ill-posed, inducing a distribution of plausible solutions for every input. However, the desired result is not simply the expectation of this distribution,…

Computer Vision and Pattern Recognition · Computer Science 2025-04-28 Fengjia Zhang , Samrudhdhi B. Rangrej , Tristan Aumentado-Armstrong , Afsaneh Fazly , Alex Levinshtein

We introduce GQA, a new dataset for real-world visual reasoning and compositional question answering, seeking to address key shortcomings of previous VQA datasets. We have developed a strong and robust question engine that leverages scene…

Computation and Language · Computer Science 2019-07-12 Drew A. Hudson , Christopher D. Manning

Quality estimation (QE) plays a crucial role in machine translation (MT) workflows, as it serves to evaluate generated outputs that have no reference translations and to determine whether human post-editing or full retranslation is…

Computation and Language · Computer Science 2026-03-13 Assaf Siani , Anna Kernerman , Ilan Kernerman