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Personalized tutoring, teacher training, and education research need access to \emph{targeted} synthetic misconceptions, but privacy and IRB constraints make labelled corpora of real student errors scarce. LLMs could in principle generate…

计算与语言 · 计算机科学 2026-05-29 Xinming Yang , Jun Li

We present EasyGen, an efficient model designed to enhance multimodal understanding and generation by harnessing the capabilities of diffusion models and large language models (LLMs), Unlike existing multimodal models that predominately…

人工智能 · 计算机科学 2024-05-20 Xiangyu Zhao , Bo Liu , Qijiong Liu , Guangyuan Shi , Xiao-Ming Wu

Word embeddings are a powerful approach for analyzing language and have been widely popular in numerous tasks in information retrieval and text mining. Training embeddings over huge corpora is computationally expensive because the input is…

机器学习 · 计算机科学 2018-12-11 Avishek Anand , Megha Khosla , Jaspreet Singh , Jan-Hendrik Zab , Zijian Zhang

Large Language Models (LLMs) have become a cornerstone in Natural Language Processing (NLP), achieving impressive performance in text generation. Their token-level representations capture rich, human-aligned semantics. However, pooling…

计算与语言 · 计算机科学 2025-09-25 Benedikt Roth , Stephan Rappensperger , Tianming Qiu , Hamza Imamović , Julian Wörmann , Hao Shen

In this paper, we introduce a new embedding model called M3-Embedding, which is distinguished for its versatility in \textit{Multi-Linguality}, \textit{Multi-Functionality}, and \textit{Multi-Granularity}. It provides a uniform support for…

计算与语言 · 计算机科学 2025-12-15 Jianlv Chen , Shitao Xiao , Peitian Zhang , Kun Luo , Defu Lian , Zheng Liu

This research aims to develop a dynamic and scalable framework to facilitate harmonization of Common Data Elements (CDEs) across heterogeneous biomedical datasets by addressing challenges such as semantic heterogeneity, structural…

信息检索 · 计算机科学 2025-06-04 Madan Krishnamurthy , Daniel Korn , Melissa A Haendel , Christopher J Mungall , Anne E Thessen

Large language models (LLMs) have increasingly been explored as powerful text embedders. Existing LLM-based text embedding approaches often leverage the embedding of the final token, typically a reserved special token such as [EOS].…

计算与语言 · 计算机科学 2025-10-10 Chang Su , Dengliang Shi , Siyuan Huang , Jintao Du , Changhua Meng , Yu Cheng , Weiqiang Wang , Zhouhan Lin

We explore the effectiveness of an LLM-guided query refinement paradigm for extending the usability of embedding models to challenging zero-shot search and classification tasks. Our approach refines the embedding representation of a user…

计算与语言 · 计算机科学 2026-05-13 Ariel Gera , Shir Ashury-Tahan , Gal Bloch , Ohad Eytan , Assaf Toledo

Despite recent progress, Biomedical Entity Linking (BEL) with large language models (LLMs) remains computationally inefficient and challenging to deploy in practical settings. In this work, we demonstrate that instruction-tuning of…

计算与语言 · 计算机科学 2026-05-22 Darya Shlyk , Stefano Montanelli , Lawrence Hunter

Retrieval-Augmented Generation (RAG) systems rely on retrieving relevant evidence from a corpus to support downstream generation. The common practice of splitting a long document into multiple shorter passages enables finer-grained and…

计算与语言 · 计算机科学 2026-02-26 Ye Yuan , Mohammad Amin Shabani , Siqi Liu

Pre-training decoder-only language models relies on vast amounts of high-quality data, yet the availability of such data is increasingly reaching its limits. While metadata is commonly used to create and curate these datasets, its potential…

计算与语言 · 计算机科学 2025-12-09 Sebastian Sztwiertnia , Felix Friedrich , Kristian Kersting , Patrick Schramowski , Björn Deiseroth

Scientific and engineering verticals often suffer from data scarcity and strict executability requirements: models must generate not only fluent text, but also syntactically valid, tool-compilable scripts. We present a schema-first…

计算工程、金融与科学 · 计算机科学 2026-01-16 Di Wang , Zhenhua Wu , Yu Liu , Kai Chang , Shaohua Wu

Constructing scientific multimodal document reasoning datasets for foundation model training involves an inherent trade-off among scale, faithfulness, and realism. To address this challenge, we introduce the synthesize-and-reground…

计算与语言 · 计算机科学 2026-04-30 Ziyu Chen , Yilun Zhao , Chengye Wang , Rilyn Han , Manasi Patwardhan , Arman Cohan

Synthetic data is a standard component in training large language models, yet systematic comparisons across design dimensions, including rephrasing strategy, generator model, and source data, remain absent. We conduct extensive controlled…

The rapid advancement of large language models (LLMs) has sparked interest in data synthesis techniques, aiming to generate diverse and high-quality synthetic datasets. However, these synthetic datasets often suffer from a lack of diversity…

In this paper, we present a conceptually simple while empirically powerful framework for abstractive summarization, SimCLS, which can bridge the gap between the learning objective and evaluation metrics resulting from the currently…

计算与语言 · 计算机科学 2021-06-04 Yixin Liu , Pengfei Liu

Entity Matching (EM), which aims to identify whether two entity records from two relational tables refer to the same real-world entity, is one of the fundamental problems in data management. Traditional EM assumes that two tables are…

数据库 · 计算机科学 2022-07-19 Pengfei Wang , Xiaocan Zeng , Lu Chen , Fan Ye , Yuren Mao , Junhao Zhu , Yunjun Gao

We propose EMMA, an efficient and unified architecture for multimodal understanding, generation and editing. Specifically, EMMA primarily consists of 1) An efficient autoencoder with a 32x compression ratio, which significantly reduces the…

计算机视觉与模式识别 · 计算机科学 2025-12-16 Xin He , Longhui Wei , Jianbo Ouyang , Minghui Liao , Lingxi Xie , Qi Tian

This research conducts a comparative study on multilingual text classification methods, utilizing deep learning and embedding visualization. The study employs LangDetect, LangId, FastText, and Sentence Transformer on a dataset encompassing…

计算与语言 · 计算机科学 2023-12-08 Arinjay Wyawhare

Large Language Models (LLMs) equipped with external tools have demonstrated enhanced performance on complex reasoning tasks. The widespread adoption of this tool-augmented reasoning is hindered by the scarcity of domain-specific tools. For…