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Related papers: Event-enhanced Retrieval in Real-time Search

200 papers

Retrieving images from natural language descriptions is a core task at the intersection of computer vision and natural language processing, with wide-ranging applications in search engines, media archiving, and digital content management.…

Computer Vision and Pattern Recognition · Computer Science 2025-12-25 Dao Sy Duy Minh , Huynh Trung Kiet , Nguyen Lam Phu Quy , Phu-Hoa Pham , Tran Chi Nguyen

Despite the advantages of their low-resource settings, traditional sparse retrievers depend on exact matching approaches between high-dimensional bag-of-words (BoW) representations of both the queries and the collection. As a result,…

Information Retrieval · Computer Science 2022-08-11 Dahlia Shehata , Negar Arabzadeh , Charles L. A. Clarke

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…

Computation and Language · Computer Science 2026-05-13 Ariel Gera , Shir Ashury-Tahan , Gal Bloch , Ohad Eytan , Assaf Toledo

Learning a high-dimensional dense representation for vocabulary terms, also known as a word embedding, has recently attracted much attention in natural language processing and information retrieval tasks. The embedding vectors are typically…

Information Retrieval · Computer Science 2017-07-18 Hamed Zamani , W. Bruce Croft

Event extraction has gained extensive research attention due to its broad range of applications. However, the current mainstream evaluation method for event extraction relies on token-level exact match, which misjudges numerous…

Computation and Language · Computer Science 2025-03-05 Yi-Fan Lu , Xian-Ling Mao , Tian Lan , Heyan Huang , Chen Xu , Xiaoyan Gao

Retrieval-Augmented Generation (RAG) grounds language models in factual evidence but introduces critical challenges regarding knowledge conflicts between internalized parameters and retrieved information. However, existing reliability…

Information Retrieval · Computer Science 2026-04-24 Sunguk Shin , Meeyoung Cha , Byung-Jun Lee , Sungwon Park

Event extraction (EE) is the task of identifying interested event mentions from text. Conventional efforts mainly focus on the supervised setting. However, these supervised models cannot generalize to event types out of the pre-defined…

Computation and Language · Computer Science 2022-11-15 Hongming Zhang , Wenlin Yao , Dong Yu

Streaming text generation has become a common way of increasing the responsiveness of language model powered applications, such as chat assistants. At the same time, extracting semantic information from generated text is a useful tool for…

Computation and Language · Computer Science 2024-10-15 Nicholas Popovič , Michael Färber

Contrastive learning has been the dominant approach to training dense retrieval models. In this work, we investigate the impact of ranking context - an often overlooked aspect of learning dense retrieval models. In particular, we examine…

Information Retrieval · Computer Science 2023-10-24 George Zerveas , Navid Rekabsaz , Daniel Cohen , Carsten Eickhoff

Traditional object detectors are ill-equipped for incremental learning. However, fine-tuning directly on a well-trained detection model with only new data will lead to catastrophic forgetting. Knowledge distillation is a flexible way to…

Computer Vision and Pattern Recognition · Computer Science 2022-04-06 Tao Feng , Mang Wang , Hangjie Yuan

Event-based cameras (EBCs) have emerged as a bio-inspired alternative to traditional cameras, offering advantages in power efficiency, temporal resolution, and high dynamic range. However, the development of image analysis methods for EBCs…

Computer Vision and Pattern Recognition · Computer Science 2025-08-06 Dmitrii Torbunov , Yihui Ren , Animesh Ghose , Odera Dim , Yonggang Cui

Capturing interactions among event arguments is an essential step towards robust event argument extraction (EAE). However, existing efforts in this direction suffer from two limitations: 1) The argument role type information of contextual…

Computation and Language · Computer Science 2021-07-02 Xiangyu Xi , Wei Ye , Shikun Zhang , Quanxiu Wang , Huixing Jiang , Wei Wu

Deploying dense retrieval models efficiently is becoming increasingly important across various industries. This is especially true for enterprise search services, where customizing search engines to meet the time demands of different…

Information Retrieval · Computer Science 2024-01-24 Chen Huang , Duanyu Feng , Wenqiang Lei , Jiancheng Lv

Current state-of-the-art large language models are effective in generating high-quality text and encapsulating a broad spectrum of world knowledge. These models, however, often hallucinate and lack locally relevant factual data.…

Software Engineering · Computer Science 2024-02-21 Anton Shapkin , Denis Litvinov , Yaroslav Zharov , Egor Bogomolov , Timur Galimzyanov , Timofey Bryksin

In this work we leverage recent advances in context-sensitive language models to improve the task of query expansion. Contextualized word representation models, such as ELMo and BERT, are rapidly replacing static embedding models. We…

Information Retrieval · Computer Science 2021-03-10 Shahrzad Naseri , Jeffrey Dalton , Andrew Yates , James Allan

Retrieval Augmented Generation (RAG) is a promising technique for mitigating two key limitations of large language models (LLMs): outdated information and hallucinations. RAG system stores documents as embedding vectors in a database. Given…

Information Retrieval · Computer Science 2026-02-10 Taehee Jeong , Xingzhe Zhao , Peizu Li , Markus Valvur , Weihua Zhao

Rapid advances in GPU hardware and multiple areas of Deep Learning open up a new opportunity for billion-scale information retrieval with exhaustive search. Building on top of the powerful concept of semantic learning, this paper proposes a…

Information Retrieval · Computer Science 2018-02-20 Ying Shan , Jian Jiao , Jie Zhu , JC Mao

Retrieval-Augmented Generation (RAG) significantly improves the performance of Large Language Models (LLMs) on knowledge-intensive tasks. However, varying response quality across LLMs under RAG necessitates intelligent routing mechanisms,…

Computation and Language · Computer Science 2025-10-20 Jiarui Zhang , Xiangyu Liu , Yong Hu , Chaoyue Niu , Fan Wu , Guihai Chen

Detecting machine-generated text (MGT) has emerged as a critical challenge, driven by the rapid advancement of large language models (LLMs) capable of producing highly realistic, human-like content. However, the performance of current…

Computation and Language · Computer Science 2025-11-04 Guoxin Ma , Xiaoming Liu , Zhanhan Zhang , Chengzhengxu Li , Shengchao Liu , Yu Lan

Traditional frame-based cameras inevitably suffer from motion blur due to long exposure times. As a kind of bio-inspired camera, the event camera records the intensity changes in an asynchronous way with high temporal resolution, providing…

Computer Vision and Pattern Recognition · Computer Science 2023-01-13 Lei Sun , Christos Sakaridis , Jingyun Liang , Qi Jiang , Kailun Yang , Peng Sun , Yaozu Ye , Kaiwei Wang , Luc Van Gool