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Large Language Models (LLMs) have reshaped our world with significant advancements in science, engineering, and society through applications ranging from scientific discoveries and medical diagnostics to Chatbots. Despite their ubiquity and…

人工智能 · 计算机科学 2025-08-26 Kushal Raj Bhandari , Pin-Yu Chen , Jianxi Gao

Preference learning is a widely adopted post-training technique that aligns large language models (LLMs) to human preferences and improves specific downstream task capabilities. In this work we systematically investigate how specific…

计算与语言 · 计算机科学 2024-12-23 Joongwon Kim , Anirudh Goyal , Aston Zhang , Bo Xiong , Rui Hou , Melanie Kambadur , Dhruv Mahajan , Hannaneh Hajishirzi , Liang Tan

Natural language processing (NLP) tasks tend to suffer from a paucity of suitably annotated training data, hence the recent success of transfer learning across a wide variety of them. The typical recipe involves: (i) training a deep,…

计算与语言 · 计算机科学 2019-09-11 Lyan Verwimp , Jerome R. Bellegarda

With the increasing of model capacity brought by pre-trained language models, there emerges boosting needs for more knowledgeable natural language processing (NLP) models with advanced functionalities including providing and making flexible…

计算与语言 · 计算机科学 2022-02-18 Da Yin , Li Dong , Hao Cheng , Xiaodong Liu , Kai-Wei Chang , Furu Wei , Jianfeng Gao

Recent advances in large language models (LLMs) have led to the development of AI-powered tutoring systems that provide interactive support via dialogue. To enable these tutoring systems to provide personalized support, it is essential to…

计算与语言 · 计算机科学 2026-05-05 Shuyan Huang , Alexander Scarlatos , Jaewook Lee , Andrew Lan

Pre-trained language models (PLMs) have proven to be effective for document re-ranking task. However, they lack the ability to fully interpret the semantics of biomedical and health-care queries and often rely on simplistic patterns for…

计算与语言 · 计算机科学 2023-05-09 Deepak Gupta , Dina Demner-Fushman

In this paper, we explore the potential of Large Language Models (LLMs) with assertions to mitigate imbalances in educational datasets. Traditional models often fall short in such contexts, particularly due to the complexity and nuanced…

计算机与社会 · 计算机科学 2024-07-03 Jeanne McClure , Machi Shimmei , Noboru Matsuda , Shiyan Jiang

Multi-model fitting has been extensively studied from the random sampling and clustering perspectives. Most assume that only a single type/class of model is present and their generalizations to fitting multiple types of models/structures…

计算机视觉与模式识别 · 计算机科学 2019-01-30 Xun Xu , Loong-Fah Cheong , Zhuwen Li

Students in online courses generate large amounts of data that can be used to personalize the learning process and improve quality of education. In this paper, we present the Latent Skill Embedding (LSE), a probabilistic model of students…

机器学习 · 计算机科学 2016-02-24 Siddharth Reddy , Igor Labutov , Thorsten Joachims

Pre-trained Language Models (PLMs) have achieved remarkable performance gains across numerous downstream tasks in natural language understanding. Various Chinese PLMs have been successively proposed for learning better Chinese language…

计算与语言 · 计算机科学 2022-09-16 Borun Chen , Hongyin Tang , Jiahao Bu , Kai Zhang , Jingang Wang , Qifan Wang , Hai-Tao Zheng , Wei Wu , Liqian Yu

Recent work has investigated the interesting question using pre-trained language models (PLMs) as knowledge bases for answering open questions. However, existing work is limited in using small benchmarks with high test-train overlaps. We…

计算与语言 · 计算机科学 2021-06-04 Cunxiang Wang , Pai Liu , Yue Zhang

As the knowledge of large language models (LLMs) becomes outdated over time, there is a growing need for efficient methods to update them, especially when injecting proprietary information. Our study reveals that comprehension-intensive…

计算与语言 · 计算机科学 2025-05-26 Essa Jan , Moiz Ali , Muhammad Saram Hassan , Fareed Zaffar , Yasir Zaki

Meta-embedding (ME) learning is an emerging approach that attempts to learn more accurate word embeddings given existing (source) word embeddings as the sole input. Due to their ability to incorporate semantics from multiple source…

计算与语言 · 计算机科学 2022-04-26 Danushka Bollegala , James O'Neill

Large language models (LLMs) must often respond to highly ambiguous user requests. In such cases, the LLM's best response may be to ask a clarifying question to elicit more information. Existing LLMs often respond by presupposing a single…

计算与语言 · 计算机科学 2025-03-19 Michael J. Q. Zhang , W. Bradley Knox , Eunsol Choi

Embeddings are a powerful way to enrich data-driven machine learning models with the world knowledge of large language models (LLMs). Yet, there is limited evidence on how to design effective LLM-based embedding pipelines for tabular…

机器学习 · 计算机科学 2026-03-19 Oksana Kolomenko , Ricardo Knauer , Erik Rodner

Knowledge Tracing (KT) is a critical task in online learning for modeling student knowledge over time. Despite the success of deep learning-based KT models, which rely on sequences of numbers as data, most existing approaches fail to…

计算与语言 · 计算机科学 2024-06-11 Unggi Lee , Jiyeong Bae , Dohee Kim , Sookbun Lee , Jaekwon Park , Taekyung Ahn , Gunho Lee , Damji Stratton , Hyeoncheol Kim

Scaling laws have allowed Pre-trained Language Models (PLMs) into the field of causal reasoning. Causal reasoning of PLM relies solely on text-based descriptions, in contrast to causal discovery which aims to determine the causal…

In Natural Language Processing (NLP), Machine Reading Comprehension (MRC) is the task of answering a question based on a given context. To handle questions in the medical domain, modern language models such as BioBERT, SciBERT and even…

计算与语言 · 计算机科学 2024-12-16 Saptarshi Sengupta , Connor Heaton , Suhan Cui , Soumalya Sarkar , Prasenjit Mitra

Despite many advances in knowledge engineering (KE), challenges remain in areas such as engineering knowledge graphs (KGs) at scale, keeping up with evolving domain knowledge, multilingualism, and multimodality. Recently, KE has used LLMs…

Knowledge tracing (KT), aiming to mine students' mastery of knowledge by their exercise records and predict their performance on future test questions, is a critical task in educational assessment. While researchers achieved tremendous…

人工智能 · 计算机科学 2024-05-28 Haoxuan Li , Jifan Yu , Yuanxin Ouyang , Zhuang Liu , Wenge Rong , Juanzi Li , Zhang Xiong