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This paper proposes a method for assessing differential item functioning (DIF) in item response theory (IRT) models. The method does not require pre-specification of anchor items, which is its main virtue. It is developed in two main steps,…

统计方法学 · 统计学 2025-01-08 Peter F. Halpin

Evaluating large language models (LLMs) typically requires thousands of benchmark items, making the process expensive, slow, and increasingly impractical at scale. Existing evaluation protocols rely on average accuracy over fixed item sets,…

计算与语言 · 计算机科学 2026-02-03 Peiyu Li , Xiuxiu Tang , Si Chen , Ying Cheng , Ronald Metoyer , Ting Hua , Nitesh V. Chawla

The pursuit of Artificial General Intelligence (AGI) is a central goal in language model development, in which consciousness-like processing could serve as a key facilitator. While current language models are not conscious, they exhibit…

The state-of-the-art solutions to the vocabulary mismatch in information retrieval (IR) mainly aim at leveraging either the relational semantics provided by external resources or the distributional semantics, recently investigated by deep…

信息检索 · 计算机科学 2017-07-28 Gia-Hung Nguyen , Laure Soulier , Lynda Tamine , Nathalie Bricon-Souf

Despite the availability of benchmark machine learning (ML) repositories (e.g., UCI, OpenML), there is no standard evaluation strategy yet capable of pointing out which is the best set of datasets to serve as gold standard to test different…

Next basket recommendation, which aims to predict the next a few items that a user most probably purchases given his historical transactions, plays a vital role in market basket analysis. From the viewpoint of item, an item could be…

信息检索 · 计算机科学 2019-04-30 Jingxuan Yang , Jun Xu , Jianzhuo Tong , Sheng Gao , Jun Guo , Jirong Wen

Automated short answer grading (ASAG) with large language models (LLMs) is commonly evaluated with aggregate metrics such as macro-F1 and Cohen's kappa. However, these metrics provide limited insight into how grading performance varies…

计算与语言 · 计算机科学 2026-05-14 Longwei Cong , Sonja Hahn , Sebastian Gombert , Leon Camus , Hendrik Drachsler , Ulf Kroehne

Existing Computerized Adaptive Testing (CAT) frameworks typically select questions based on the predicted likelihood that the student will answer correctly. This design ignores information contained in students' open-ended responses,…

计算与语言 · 计算机科学 2026-05-28 Wanyong Feng , Alexander Scarlatos , Ruochen Sun , Andrew Lan

Knowledge Tracing (KT) aims to model a student's learning state over time and predict their future performance. However, traditional KT methods often face challenges in explainability, scalability, and effective modeling of complex…

人工智能 · 计算机科学 2025-05-26 Runze Li , Siyu Wu , Jun Wang , Wei Zhang

Scene-aware Complementary Item Retrieval (CIR) is a challenging task which requires to generate a set of compatible items across domains. Due to the subjectivity, it is difficult to set up a rigorous standard for both data collection and…

计算机视觉与模式识别 · 计算机科学 2023-08-21 Xijun Wang , Anqi Liang , Junbang Liang , Ming Lin , Yu Lou , Shan Yang

Kernel methods form a theoretically-grounded, powerful and versatile framework to solve nonlinear problems in signal processing and machine learning. The standard approach relies on the \emph{kernel trick} to perform pairwise evaluations of…

机器学习 · 计算机科学 2020-01-03 Kan Li , Jose C. Principe

Cognitive diagnosis is a fundamental issue in intelligent education, which aims to discover the proficiency level of students on specific knowledge concepts. Existing approaches usually mine linear interactions of student exercising process…

机器学习 · 计算机科学 2020-03-04 Fei Wang , Qi Liu , Enhong Chen , Zhenya Huang , Yuying Chen , Yu Yin , Zai Huang , Shijin Wang

Knowledge Tracing (KT) involves monitoring the changes in a student's knowledge over time by analyzing their past responses, with the goal of predicting future performance. However, most existing methods primarily focus on feature…

人工智能 · 计算机科学 2025-11-18 Lixiang Xu , Xianwei Ding , Xin Yuan , Richang Hong , Feiping Nie , Enhong Chen , Philip S. Yu

While LLM-as-a-Judge is widely used in automated evaluation, existing validation practices primarily operate at the level of observed outputs, offering limited insight into whether LLM judges themselves function as stable and reliable…

人工智能 · 计算机科学 2026-02-03 Junhyuk Choi , Sohhyung Park , Chanhee Cho , Hyeonchu Park , Bugeun Kim

Recent advances in large Vision-Language Models (VLMs) have exhibited strong reasoning capabilities on complex visual tasks by thinking with images in their Chain-of-Thought (CoT), which is achieved by actively invoking tools to analyze…

计算机视觉与模式识别 · 计算机科学 2026-01-08 Wenhao Yang , Yu Xia , Jinlong Huang , Shiyin Lu , Qing-Guo Chen , Zhao Xu , Weihua Luo , Kaifu Zhang , Yuanyu Wan , Lijun Zhang

As natural language interfaces enable users to express increasingly complex natural language queries, there is a parallel explosion of user review content that can allow users to better find items such as restaurants, books, or movies that…

AI researchers and practitioners increasingly apply large language models (LLMs) to what we call reasoning-intensive regression (RiR), i.e., deducing subtle numerical scores from text. Unlike standard language regression tasks such as…

计算与语言 · 计算机科学 2026-05-04 Diane Tchuindjo , Omar Khattab

Educational assessments are valuable tools for measuring student knowledge and skills, but their validity can be compromised when test takers exhibit changes in response behavior due to factors such as time pressure. To address this issue,…

统计方法学 · 统计学 2025-05-06 Gabriel Wallin , Yunxiao Chen , Yi-Hsuan Lee , Xiaoou Li

The growing dependence on eTextbooks and Massive Open Online Courses (MOOCs) has led to an increase in the amount of students' learning data. By carefully analyzing this data, educators can identify difficult exercises, and evaluate the…

数据结构与算法 · 计算机科学 2022-11-28 Ahmed Abd Elrahman , Ahmed I. Taloba , Mohammed F. Farghally , Taysir Hassan A Soliman

Driven by the dual principles of smart education and artificial intelligence technology, the online education model has rapidly emerged as an important component of the education industry. Cognitive diagnostic technology can utilize…

人工智能 · 计算机科学 2025-10-28 Zhifeng Wang , Meixin Su , Yang Yang , Chunyan Zeng , Lizhi Ye