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The training of artificial neural networks is heavily dependent on the careful selection of an appropriate loss function. While commonly used loss functions, such as cross-entropy and mean squared error (MSE), generally suffice for a broad…

Machine Learning · Computer Science 2025-04-22 Altun Shukurlu

Reasoning paths are reliable information in knowledge graph completion (KGC) in which algorithms can find strong clues of the actual relation between entities. However, in real-world applications, it is difficult to guarantee that…

Information Retrieval · Computer Science 2025-10-08 Yanning Hou , Sihang Zhou , Ke Liang , Lingyuan Meng , Xiaoshu Chen , Ke Xu , Siwei Wang , Xinwang Liu , Jian Huang

Nowadays, neural network (NN) and deep learning (DL) techniques are widely adopted in many applications, including recommender systems. Given the sparse and stochastic nature of collaborative filtering (CF) data, recent works have…

Information Retrieval · Computer Science 2024-07-03 Giuseppe Serra , Peter Tino , Zhao Xu , Xin Yao

Reasoning on knowledge graphs is a challenging task because it utilizes observed information to predict the missing one. Particularly, answering complex queries based on first-order logic is one of the crucial tasks to verify learning to…

Artificial Intelligence · Computer Science 2024-10-23 Hang Yin , Zihao Wang , Yangqiu Song

Previous literatures show that pre-trained masked language models (MLMs) such as BERT can achieve competitive factual knowledge extraction performance on some datasets, indicating that MLMs can potentially be a reliable knowledge source. In…

Computation and Language · Computer Science 2021-06-18 Boxi Cao , Hongyu Lin , Xianpei Han , Le Sun , Lingyong Yan , Meng Liao , Tong Xue , Jin Xu

Previous works show that Pre-trained Language Models (PLMs) can capture factual knowledge. However, some analyses reveal that PLMs fail to perform it robustly, e.g., being sensitive to the changes of prompts when extracting factual…

Computation and Language · Computer Science 2022-10-21 Shaobo Li , Xiaoguang Li , Lifeng Shang , Chengjie Sun , Bingquan Liu , Zhenzhou Ji , Xin Jiang , Qun Liu

Knowledge Tracing (KT) is fundamental to intelligent education systems, yet relies on educational logs that are selectively observed. The non-random nature of exercise recommendations and student choices inevitably induces severe selection…

Artificial Intelligence · Computer Science 2026-05-11 Peilin Zhan , Wei Chen , Weilin Chen , Shuyi Pan , Ruichu Cai

In this paper, we describe our Knowledge Tracing model for the 2020 NeurIPS Education Challenge. We used a combination of 22 models to predict whether the students will answer a given question correctly or not. Our combination of different…

Machine Learning · Computer Science 2020-11-11 Tirth Shah , Lukas Olson , Aditya Sharma , Nirmal Patel

Knowledge distillation has proven effective for model compression by transferring knowledge from a larger network called the teacher to a smaller network called the student. Current knowledge distillation in time series is predominantly…

Machine Learning · Computer Science 2026-01-12 Nilushika Udayangani Hewa Dehigahawattage , Kishor Nandakishor , Marimuthu Palaniswami

Pre-trained language models (PLMs) have emerged as powerful tools for code understanding. However, deploying these PLMs in large-scale applications faces practical challenges due to their computational intensity and inference latency.…

Software Engineering · Computer Science 2025-08-22 Ruiqi Wang , Zezhou Yang , Cuiyun Gao , Xin Xia , Qing Liao

Knowledge tracing is one of the key research areas for empowering personalized education. It is a task to model students' mastery level of a knowledge component (KC) based on their historical learning trajectories. In recent years, a…

Artificial Intelligence · Computer Science 2018-06-07 Chun-Kit Yeung , Dit-Yan Yeung

Learning knowledge representation is an increasingly important technology applicable in many domain-specific machine learning problems. We discuss the effectiveness of traditional Link Prediction or Knowledge Graph Completion evaluation…

Artificial Intelligence · Computer Science 2020-02-24 Jianyu Liu , Hegler Tissot

Prospect Theory (PT) models human decision-making behaviour under uncertainty, among which linguistic uncertainty is commonly adopted in real-world scenarios. Although recent studies have developed some frameworks to test PT parameters for…

Artificial Intelligence · Computer Science 2026-04-13 Rui Wang , Qihan Lin , Jiayu Liu , Qing Zong , Tianshi Zheng , Dadi Guo , Haochen Shi , Weiqi Wang , Yangqiu Song

In real-world sequential decision making tasks like autonomous driving, robotics, and healthcare, learning from observed state-action trajectories is critical for tasks like imitation, classification, and clustering. For example,…

Machine Learning · Computer Science 2025-01-20 Zichang Ge , Changyu Chen , Arunesh Sinha , Pradeep Varakantham

The ability of knowledge graphs to represent complex relationships at scale has led to their adoption for various needs including knowledge representation, question-answering, and recommendation systems. Knowledge graphs are often…

Computation and Language · Computer Science 2023-05-18 Jason Youn , Ilias Tagkopoulos

In contrast to pedagogies like evidence-based teaching, personalized adaptive learning (PAL) distinguishes itself by closely monitoring the progress of individual students and tailoring the learning path to their unique knowledge and…

Computers and Society · Computer Science 2024-05-09 Ming Kuo , Shouvon Sarker , Lijun Qian , Yujian Fu , Xiangfang Li , Xishuang Dong

Embedding learning, a.k.a. representation learning, has been shown to be able to model large-scale semantic knowledge graphs. A key concept is a mapping of the knowledge graph to a tensor representation whose entries are predicted by models…

Machine Learning · Computer Science 2015-12-23 Cristóbal Esteban , Volker Tresp , Yinchong Yang , Stephan Baier , Denis Krompaß

Accurate representation to an academic network is of great significance to academic relationship mining like predicting scientific impact. A Latent Factorization of Tensors (LFT) model is one of the most effective models for learning the…

Machine Learning · Computer Science 2025-04-14 Chunyang Zhang , Xin Liao , Hao Wu

Knowledge Tracing (KT) is concerned with predicting students' future performance on learning items in intelligent tutoring systems. Learning items are tagged with skill labels called knowledge concepts (KCs). Many KT models expand the…

Computers and Society · Computer Science 2025-04-08 Yahya Badran , Christine Preisach

Knowledge Distillation (KD) has emerged as a promising approach for transferring knowledge from a larger, more complex teacher model to a smaller student model. Traditionally, KD involves training the student to mimic the teacher's output…

Machine Learning · Computer Science 2024-10-03 Noel Loo , Fotis Iliopoulos , Wei Hu , Erik Vee