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The performance of Large Language Models (LLMs) is intrinsically linked to the quality of its training data. Although several studies have proposed methods for high-quality data selection, they do not consider the importance of knowledge…

计算与语言 · 计算机科学 2025-06-03 Feiyu Duan , Xuemiao Zhang , Sirui Wang , Haoran Que , Yuqi Liu , Wenge Rong , Xunliang Cai

This paper addresses the problem of generating questions from a given context and an answer, specifically focusing on questions that require multi-hop reasoning across an extended context. Previous studies have suggested that key phrase…

计算与语言 · 计算机科学 2023-10-24 Zehua Xia , Qi Gou , Bowen Yu , Haiyang Yu , Fei Huang , Yongbin Li , Cam-Tu Nguyen

Adaptive programming practice often relies on fixed libraries of worked examples and practice problems, which require substantial authoring effort and may not correspond well to the logical errors and partial solutions students produce…

人机交互 · 计算机科学 2026-05-06 Griffin Pitts , Muntasir Hoq , Peter Brusilovsky , Narges Norouzi , Arto Hellas , Juho Leinonen , Bita Akram

As the world changes, we need to be able to update our models and correct false information without costly retraining. Knowledge-based model editing enables precise modifications to the weights of large language models in order to modify…

In this study, we introduced a new benchmark consisting of a curated dataset and a defined evaluation process to assess the compositional reasoning capabilities of large language models within the chemistry domain. We designed and validated…

Recent advances in knowledge distillation (KD) have enabled smaller student models to approach the performance of larger teacher models. However, popular methods such as supervised KD and on-policy KD, are adversely impacted by the…

计算与语言 · 计算机科学 2025-04-29 Wenda Xu , Rujun Han , Zifeng Wang , Long T. Le , Dhruv Madeka , Lei Li , William Yang Wang , Rishabh Agarwal , Chen-Yu Lee , Tomas Pfister

Despite its breakthrough in classification problems, Knowledge distillation (KD) to recommendation models and ranking problems has not been studied well in the previous literature. This dissertation is devoted to developing knowledge…

信息检索 · 计算机科学 2024-07-22 SeongKu Kang

Document classification is the detection specific content of interest in text documents. In contrast to the data-driven machine learning classifiers, knowledge-based classifiers can be constructed based on domain specific knowledge, which…

计算与语言 · 计算机科学 2022-06-07 AtMa P. O. Chan

A comprehensive knowledge graph (KG) contains an instance-level entity graph and an ontology-level concept graph. The two-view KG provides a testbed for models to "simulate" human's abilities on knowledge abstraction, concretization, and…

计算与语言 · 计算机科学 2021-06-07 Jie Zhou , Shengding Hu , Xin Lv , Cheng Yang , Zhiyuan Liu , Wei Xu , Jie Jiang , Juanzi Li , Maosong Sun

Knowledge Distillation (KD) has emerged as a prominent technique for model compression. However, conventional KD approaches primarily focus on homogeneous architectures with identical tokenizers, constraining their applicability in…

计算与语言 · 计算机科学 2025-02-18 Yijie Chen , Yijin Liu , Fandong Meng , Yufeng Chen , Jinan Xu , Jie Zhou

Question generation (QG) is to generate natural and grammatical questions that can be answered by a specific answer for a given context. Previous sequence-to-sequence models suffer from a problem that asking high-quality questions requires…

计算与语言 · 计算机科学 2021-06-22 Xin Jia , Hao Wang , Dawei Yin , Yunfang Wu

Answering complex questions is a time-consuming activity for humans that requires reasoning and integration of information. Recent work on reading comprehension made headway in answering simple questions, but tackling complex questions is…

计算与语言 · 计算机科学 2018-03-20 Alon Talmor , Jonathan Berant

Complex question answering over knowledge base (Complex KBQA) is challenging because it requires various compositional reasoning capabilities, such as multi-hop inference, attribute comparison, set operation. Existing benchmarks have some…

计算与语言 · 计算机科学 2022-06-24 Shulin Cao , Jiaxin Shi , Liangming Pan , Lunyiu Nie , Yutong Xiang , Lei Hou , Juanzi Li , Bin He , Hanwang Zhang

Knowledge selection is the key in knowledge-grounded dialogues (KGD), which aims to select an appropriate knowledge snippet to be used in the utterance based on dialogue history. Previous studies mainly employ the classification approach to…

计算与语言 · 计算机科学 2023-04-12 Weiwei Sun , Pengjie Ren , Zhaochun Ren

Keyphrase Prediction (KP) task aims at predicting several keyphrases that can summarize the main idea of the given document. Mainstream KP methods can be categorized into purely generative approaches and integrated models with extraction…

计算与语言 · 计算机科学 2021-09-01 Huanqin Wu , Wei Liu , Lei Li , Dan Nie , Tao Chen , Feng Zhang , Di Wang

Multi-hop QA (MHQA) involves step-by-step reasoning to answer complex questions and find multiple relevant supporting facts. However, Existing large language models'(LLMs) reasoning ability in multi-hop question answering remains…

计算与语言 · 计算机科学 2024-02-20 Jian Wu , Linyi Yang , Yuliang Ji , Wenhao Huang , Börje F. Karlsson , Manabu Okumura

Knowledge distillation, the technique of transferring knowledge from large, complex models to smaller ones, marks a pivotal step towards efficient AI deployment. Distilling Step-by-Step~(DSS), a novel method utilizing chain-of-thought~(CoT)…

计算与语言 · 计算机科学 2024-06-11 Xin Chen , Hanxian Huang , Yanjun Gao , Yi Wang , Jishen Zhao , Ke Ding

Despite the rising prevalence of neural language models, recent empirical evidence suggests their deficiency in compositional generalization. One of the current de-facto solutions to this problem is compositional data augmentation, which…

计算与语言 · 计算机科学 2025-03-03 Zhaoyi Li , Gangwei Jiang , Chenwang Wu , Ying Wei , Defu Lian , Enhong Chen

Speculative sampling (SpS) has been successful in accelerating the decoding throughput of auto-regressive large language models by leveraging smaller draft models. SpS strictly enforces the generated distribution to match that of the…

机器学习 · 计算机科学 2026-04-08 Yongchang Hao , Lili Mou

In open-ended natural-language generation, existing text decoding methods typically struggle to produce text which is both diverse and high-quality. Greedy and beam search are known to suffer from text degeneration and linguistic diversity…

计算与语言 · 计算机科学 2022-11-15 Mirac Suzgun , Luke Melas-Kyriazi , Dan Jurafsky