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Recent advances in AI have catalyzed the adoption of intelligent educational tools, yet many semantic retrieval systems remain ill-suited to the unique linguistic and structural characteristics of academic content. This study presents two…

计算与语言 · 计算机科学 2025-05-09 Ramteja Sajja , Yusuf Sermet , Ibrahim Demir

Multimodal Large Language Models (MLLMs) have demonstrated strong cross-modal reasoning capabilities, yet their potential for vision-only tasks remains underexplored. We investigate MLLMs as training-free similarity estimators for…

计算机视觉与模式识别 · 计算机科学 2026-04-16 Bahey Tharwat , Giorgos Kordopatis-Zilos , Pavel Suma , Ian Reid , Giorgos Tolias

Recent studies have proposed leveraging Large Language Models (LLMs) as information retrievers through query rewriting. However, for challenging corpora, we argue that enhancing queries alone is insufficient for robust semantic matching;…

信息检索 · 计算机科学 2025-06-24 Jingming Liu , Yumeng Li , Wei Shi , Yao-Xiang Ding , Hui Su , Kun Zhou

While large language models (LLMs) are increasingly deployed as dense retrievers, the impact of their domain-specific specialization on retrieval effectiveness remains underexplored. This investigation systematically examines how…

信息检索 · 计算机科学 2025-08-07 Hengran Zhang , Keping Bi , Jiafeng Guo

With large language models (LLMs) achieving remarkable breakthroughs in natural language processing (NLP) domains, LLM-enhanced recommender systems have received much attention and have been actively explored currently. In this paper, we…

信息检索 · 计算机科学 2024-07-02 Jianghao Lin , Rong Shan , Chenxu Zhu , Kounianhua Du , Bo Chen , Shigang Quan , Ruiming Tang , Yong Yu , Weinan Zhang

Conversational search requires accurate interpretation of user intent from complex multi-turn contexts. This paper presents ChatRetriever, which inherits the strong generalization capability of large language models to robustly represent…

信息检索 · 计算机科学 2024-04-23 Kelong Mao , Chenlong Deng , Haonan Chen , Fengran Mo , Zheng Liu , Tetsuya Sakai , Zhicheng Dou

Large Language Models (LLMs) are now widely used for query reformulation and expansion in Information Retrieval, with many studies reporting substantial effectiveness gains. However, these results are typically obtained under heterogeneous…

Personalizing dysarthric ASR is hindered by demanding enrollment collection and per-user training. We propose a hybrid meta-training method for a single model, enabling zero-shot and few-shot on-the-fly personalization via in-context…

音频与语音处理 · 电气工程与系统科学 2026-02-24 Dhruuv Agarwal , Harry Zhang , Yang Yu , Quan Wang

Multilingual speech emotion recognition aims to estimate a speaker's emotional state using a contactless method across different languages. However, variability in voice characteristics and linguistic diversity poses significant challenges…

计算与语言 · 计算机科学 2025-03-31 Heqing Zou , Fengmao Lv , Desheng Zheng , Eng Siong Chng , Deepu Rajan

When students make a mistake in an exercise, they can consolidate it by ``similar exercises'' which have the same concepts, purposes and methods. Commonly, for a certain subject and study stage, the size of the exercise bank is in the range…

信息检索 · 计算机科学 2023-03-21 Tongwen Huang , Xihua Li , Chao Yi , Xuemin Zhao , Yunbo Cao

Large language models (LLMs) have shown promise for automatic summarization but the reasons behind their successes are poorly understood. By conducting a human evaluation on ten LLMs across different pretraining methods, prompts, and model…

计算与语言 · 计算机科学 2023-02-01 Tianyi Zhang , Faisal Ladhak , Esin Durmus , Percy Liang , Kathleen McKeown , Tatsunori B. Hashimoto

Embeddings extracted by pre-trained Large Language Models (LLMs) have significant potential to improve information retrieval and search. Beyond the zero-shot setup in which they are being conventionally used, being able to take advantage of…

机器学习 · 计算机科学 2024-08-26 Jinsung Yoon , Sercan O Arik , Yanfei Chen , Tomas Pfister

In this paper, we leverage large language models (LMs) to perform zero-shot text style transfer. We present a prompting method that we call augmented zero-shot learning, which frames style transfer as a sentence rewriting task and requires…

计算与语言 · 计算机科学 2022-04-01 Emily Reif , Daphne Ippolito , Ann Yuan , Andy Coenen , Chris Callison-Burch , Jason Wei

Rapid advances in Multimodal Large Language Models (MLLMs) have expanded information retrieval beyond purely textual inputs, enabling retrieval from complex real world documents that combine text and visuals. However, most documents are…

信息检索 · 计算机科学 2025-08-26 Yejin Choi , Jaewoo Park , Janghan Yoon , Saejin Kim , Jaehyun Jeon , Youngjae Yu

Semantic parsers map natural language utterances into meaning representations (e.g., programs). Such models are typically bottlenecked by the paucity of training data due to the required laborious annotation efforts. Recent studies have…

计算与语言 · 计算机科学 2021-10-19 Pengcheng Yin , John Wieting , Avirup Sil , Graham Neubig

Effective information searching is essential for enhancing the reasoning and generation capabilities of large language models (LLMs). Recent research has explored using reinforcement learning (RL) to improve LLMs' search capabilities by…

计算与语言 · 计算机科学 2026-05-20 Hao Sun , Zile Qiao , Jiayan Guo , Xuanbo Fan , Yingyan Hou , Yong Jiang , Pengjun Xie , Yan Zhang , Fei Huang , Jingren Zhou

Validating Large Language Models with ReLM explores the application of formal languages to evaluate and control Large Language Models (LLMs) for memorization, bias, and zero-shot performance. Current approaches for evaluating these types…

计算与语言 · 计算机科学 2025-04-18 Reece Adamson , Erin Song

The search of information in large text repositories has been plagued by the so-called document-query vocabulary gap, i.e. the semantic discordance between the contents in the stored document entities on the one hand and the human query on…

信息检索 · 计算机科学 2020-04-22 Bhawani Selvaretnam , Mohammed Belkhatir

Large pre-trained models can dramatically reduce the amount of task-specific data required to solve a problem, but they often fail to capture domain-specific nuances out of the box. The Web likely contains the information necessary to excel…

计算机视觉与模式识别 · 计算机科学 2023-12-01 Hamed Damirchi , Cristian Rodríguez-Opazo , Ehsan Abbasnejad , Damien Teney , Javen Qinfeng Shi , Stephen Gould , Anton van den Hengel

Large Language Models (LLMs) have recently been shown to produce estimates of psycholinguistic norms, such as valence, arousal, or concreteness, for words and multiword expressions, that correlate with human judgments. These estimates are…

计算与语言 · 计算机科学 2026-03-13 Thomas Hikaru Clark , Carlos Arriaga , Javier Conde , Gonzalo Martínez , Pedro Reviriego