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Providing access to information across languages has been a goal of Information Retrieval (IR) for decades. While progress has been made on Cross Language IR (CLIR) where queries are expressed in one language and documents in another, the…

Information Retrieval · Computer Science 2023-02-10 Dawn Lawrie , Eugene Yang , Douglas W. Oard , James Mayfield

Conversational search plays a vital role in conversational information seeking. As queries in information seeking dialogues are ambiguous for traditional ad-hoc information retrieval (IR) systems due to the coreference and omission…

Computation and Language · Computer Science 2021-03-12 Sheng-Chieh Lin , Jheng-Hong Yang , Rodrigo Nogueira , Ming-Feng Tsai , Chuan-Ju Wang , Jimmy Lin

Large language models (LLMs) have demonstrated impressive capabilities in various natural language processing tasks. Despite this, their application to information retrieval (IR) tasks is still challenging due to the infrequent occurrence…

Computation and Language · Computer Science 2024-05-29 Yutao Zhu , Peitian Zhang , Chenghao Zhang , Yifei Chen , Binyu Xie , Zheng Liu , Ji-Rong Wen , Zhicheng Dou

Reinforcement finetuning (RFT) has shown great potential for enhancing the mathematical reasoning capabilities of large language models (LLMs), but it is often sample- and compute-inefficient, requiring extensive training. In this work, we…

Machine Learning · Computer Science 2026-02-03 Taiwei Shi , Yiyang Wu , Linxin Song , Tianyi Zhou , Jieyu Zhao

The Process Reward Model (PRM) plays a crucial role in mathematical reasoning tasks, requiring high-quality supervised process data. However, we observe that reasoning steps generated by Large Language Models (LLMs) often fail to exhibit…

Artificial Intelligence · Computer Science 2025-08-25 Yulan Hu , Sheng Ouyang , Jinman Zhao , Yong Liu

Prompts for pre-trained language models (PLMs) have shown remarkable performance by bridging the gap between pre-training tasks and various downstream tasks. Among these methods, prompt tuning, which freezes PLMs and only tunes soft…

Computation and Language · Computer Science 2022-03-15 Yuxian Gu , Xu Han , Zhiyuan Liu , Minlie Huang

We propose value retrieval with arbitrary queries for form-like documents to reduce human effort of processing forms. Unlike previous methods that only address a fixed set of field items, our method predicts target value for an arbitrary…

Computer Vision and Pattern Recognition · Computer Science 2022-04-19 Mingfei Gao , Le Xue , Chetan Ramaiah , Chen Xing , Ran Xu , Caiming Xiong

Pre-trained language models have contributed significantly to relation extraction by demonstrating remarkable few-shot learning abilities. However, prompt tuning methods for relation extraction may still fail to generalize to those rare or…

Computation and Language · Computer Science 2023-09-20 Xiang Chen , Lei Li , Ningyu Zhang , Chuanqi Tan , Fei Huang , Luo Si , Huajun Chen

We propose Word-Frequency-based Image-Text Pair Pruning (WFPP), a novel data pruning method that improves the efficiency of VLMs. Unlike MetaCLIP, our method does not need metadata for pruning, but selects text-image pairs to prune based on…

Machine Learning · Computer Science 2024-12-11 Mingliang Liang , Martha Larson

Pre-trained Language Models (PLMs) can be accurately fine-tuned for downstream text processing tasks. Recently, researchers have introduced several parameter-efficient fine-tuning methods that optimize input prompts or adjust a small number…

Computation and Language · Computer Science 2024-06-07 Saeed Najafi , Alona Fyshe

The standard practice of query performance prediction (QPP) evaluation is to measure a set-level correlation between the estimated retrieval qualities and the true ones. However, neither this correlation-based evaluation measure quantifies…

Information Retrieval · Computer Science 2026-01-27 Payel Santra , Partha Basuchowdhuri , Debasis Ganguly

Large language models (LMs) are currently trained to predict tokens given document prefixes, enabling them to directly perform long-form generation and prompting-style tasks which can be reduced to document completion. Existing pretraining…

End-to-end autonomous driving is typically built upon imitation learning (IL), yet its performance is constrained by the quality of human demonstrations. To overcome this limitation, recent methods incorporate reinforcement learning (RL)…

Robotics · Computer Science 2026-04-13 Zhexi Lian , Haoran Wang , Xuerun Yan , Weimeng Lin , Xianhong Zhang , Yongyu Chen , Jia Hu

The goal of query performance prediction (QPP) is to automatically estimate the effectiveness of a search result for any given query, without relevance judgements. Post-retrieval features have been shown to be more effective for this task…

Information Retrieval · Computer Science 2019-12-10 Sébastien Déjean , Radu Tudor Ionescu , Josiane Mothe , Md Zia Ullah

While interests in tabular deep learning has significantly grown, conventional tree-based models still outperform deep learning methods. To narrow this performance gap, we explore the innovative retrieval mechanism, a methodology that…

Machine Learning · Computer Science 2023-11-14 Felix den Breejen , Sangmin Bae , Stephen Cha , Tae-Young Kim , Seoung Hyun Koh , Se-Young Yun

Pre-trained models have brought significant improvements to many NLP tasks and have been extensively analyzed. But little is known about the effect of fine-tuning on specific tasks. Intuitively, people may agree that a pre-trained model…

Computation and Language · Computer Science 2020-06-03 Jie Cai , Zhengzhou Zhu , Ping Nie , Qian Liu

Neural retrieval models excel in Web search, but their training requires substantial amounts of labeled query-document pairs, which are costly to obtain. With the widespread availability of Web document collections like ClueWeb22, synthetic…

Information Retrieval · Computer Science 2025-05-27 João Coelho , Bruno Martins , João Magalhães , Chenyan Xiong

Recent advances in pre-trained language models (PLMs) have demonstrated their capabilities in capturing universal knowledge, making them promising for radar signal processing applications. Nevertheless, directly fine-tuning PLMs on radar…

Signal Processing · Electrical Eng. & Systems 2026-05-01 Qiying Hu , Yaowen Li , Shengyi Zhang , Chuan Huang , Yu Liu , You He

In text-video retrieval, auxiliary captions are often used to enhance video understanding, bridging the gap between the modalities. While recent advances in multi-modal large language models (MLLMs) have enabled strong zero-shot caption…

Computer Vision and Pattern Recognition · Computer Science 2025-09-23 Ji Soo Lee , Byungoh Ko , Jaewon Cho , Howoong Lee , Jaewoon Byun , Hyunwoo J. Kim

Due to the massive size of test collections, a standard practice in IR evaluation is to construct a 'pool' of candidate relevant documents comprised of the top-k documents retrieved by a wide range of different retrieval systems - a process…

Information Retrieval · Computer Science 2023-04-25 Debasis Ganguly , Emine Yilmaz