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The scaling of large language models to encode all the world's knowledge in model parameters is unsustainable and has exacerbated resource barriers. Retrieval-Augmented Generation (RAG) presents a potential solution, yet its application to…

Computer Vision and Pattern Recognition · Computer Science 2024-06-28 Varun Nagaraj Rao , Siddharth Choudhary , Aditya Deshpande , Ravi Kumar Satzoda , Srikar Appalaraju

Retrieval-augmented Generation (RAG) relies on effective retrieval capabilities, yet traditional sparse and dense retrievers inherently struggle with multi-hop retrieval scenarios. In this paper, we introduce GeAR, a system that advances…

Retrieval-augmented language models can better adapt to changes in world state and incorporate long-tail knowledge. However, most existing methods retrieve only short contiguous chunks from a retrieval corpus, limiting holistic…

Computation and Language · Computer Science 2024-02-01 Parth Sarthi , Salman Abdullah , Aditi Tuli , Shubh Khanna , Anna Goldie , Christopher D. Manning

Work-in-Progress (WiP) prediction is critical for predictive process monitoring, enabling accurate anticipation of workload fluctuations and optimized operational planning. This paper proposes a retrieval-augmented, multi-agent framework…

Multiagent Systems · Computer Science 2025-12-24 Yousef Mehrdad Bibalan , Behrouz Far , Mohammad Moshirpour , Bahareh Ghiyasian

Transformer-based NLP models remain vulnerable to adversarial perturbations, yet existing repair methods face a fundamental trade-off: gradient-based approaches offer flexibility but lack verifiability and often overfit; methods that do…

Machine Learning · Computer Science 2026-04-02 Hsin-Ling Hsu , Min-Yu Chen , Nai-Chia Chen , Yan-Ru Chen , Yi-Ling Chang , Fang Yu

Vector embeddings from pre-trained language models form a core component in Neural Information Retrieval systems across a multitude of knowledge extraction tasks. The paradigm of late interaction, introduced in ColBERT, demonstrates high…

Information Retrieval · Computer Science 2026-03-27 Raj Nath Patel , Sourav Dutta

Neural information retrieval (IR) has greatly advanced search and other knowledge-intensive language tasks. While many neural IR methods encode queries and documents into single-vector representations, late interaction models produce…

Information Retrieval · Computer Science 2022-07-12 Keshav Santhanam , Omar Khattab , Jon Saad-Falcon , Christopher Potts , Matei Zaharia

Multi-vector retrieval methods combine the merits of sparse (e.g. BM25) and dense (e.g. DPR) retrievers and have achieved state-of-the-art performance on various retrieval tasks. These methods, however, are orders of magnitude slower and…

Information Retrieval · Computer Science 2022-11-21 Minghan Li , Sheng-Chieh Lin , Barlas Oguz , Asish Ghoshal , Jimmy Lin , Yashar Mehdad , Wen-tau Yih , Xilun Chen

Deep pre-trained language models (e,g. BERT) are effective at large-scale text retrieval task. Existing text retrieval systems with state-of-the-art performance usually adopt a retrieve-then-reranking architecture due to the high…

Information Retrieval · Computer Science 2022-05-24 Yanzhao Zhang , Dingkun Long , Guangwei Xu , Pengjun Xie

Modern, large scale monitoring systems have to process and store vast amounts of log data in near real-time. At query time the systems have to find relevant logs based on the content of the log message using support structures that can…

Information Retrieval · Computer Science 2024-03-28 Julian Reichinger , Thomas Krismayer , Jan Rellermeyer

Dense retrieval techniques employ pre-trained large language models to build a high-dimensional representation of queries and passages. These representations compute the relevance of a passage w.r.t. to a query using efficient similarity…

Information Retrieval · Computer Science 2024-04-04 Franco Maria Nardini , Cosimo Rulli , Rossano Venturini

In recent years, text-to-video retrieval methods based on CLIP have experienced rapid development. The primary direction of evolution is to exploit the much wider gamut of visual and textual cues to achieve alignment. Concretely, those…

Computer Vision and Pattern Recognition · Computer Science 2024-01-02 Kaibin Tian , Yanhua Cheng , Yi Liu , Xinglin Hou , Quan Chen , Han Li

Cross-modal retrieval aims to search for instances, which are semantically related to the query through the interaction of different modal data. Traditional solutions utilize a single-tower or dual-tower framework to explicitly compute the…

Information Retrieval · Computer Science 2025-12-02 Minghui Fang , Shengpeng Ji , Jialong Zuo , Hai Huang , Yan Xia , Jieming Zhu , Xize Cheng , Xiaoda Yang , Wenrui Liu , Gang Wang , Zhenhua Dong , Zhou Zhao

Multi-vector visual retrievers (e.g., ColPali-style late interaction models) deliver strong accuracy, but scale poorly because each page yields thousands of vectors, making indexing and search increasingly expensive. We present Visual RAG…

Information Retrieval · Computer Science 2026-02-16 Ara Yeroyan

Retrieval-Augmented Generation (RAG) is a powerful technique for enriching Large Language Models (LLMs) with external knowledge, allowing for factually grounded responses, a critical requirement in high-stakes domains such as healthcare.…

Computation and Language · Computer Science 2025-10-07 Eduardo Martínez Rivera , Filippo Menolascina

Medical retrieval-augmented generation (RAG) systems typically operate on text chunks extracted from biomedical literature, discarding the rich visual content (tables, figures, structured layouts) of original document pages. We propose…

Artificial Intelligence · Computer Science 2026-05-01 Xupeng Chen , Binbin Shi , Chenqian Le , Jiaqi Zhang , Kewen Wang , Ran Gong , Jinhan Zhang , Chihang Wang

Content Based Image Retrieval(CBIR) is one of the important subfield in the field of Information Retrieval. The goal of a CBIR algorithm is to retrieve semantically similar images in response to a query image submitted by the end user. CBIR…

Information Retrieval · Computer Science 2014-09-03 Vikas Verma

Retrieval-Augmented Generation (RAG) systems critically depend on effective document chunking strategies to balance retrieval quality, latency, and operational cost. Traditional chunking approaches, such as fixed-size, rule-based, or fully…

Information Retrieval · Computer Science 2026-04-08 Uday Allu , Sonu Kedia , Tanmay Odapally , Biddwan Ahmed

This paper presents a study showing the benefits of the EfficientNet models compared with heavier Convolutional Neural Networks (CNNs) in the Document Classification task, essential problem in the digitalization process of institutions. We…

Computer Vision and Pattern Recognition · Computer Science 2020-06-17 Javier Ferrando , Juan Luis Dominguez , Jordi Torres , Raul Garcia , David Garcia , Daniel Garrido , Jordi Cortada , Mateo Valero

The detection of sequential patterns in data is a basic functionality of modern data processing systems for complex event processing (CEP), OLAP, and retrieval-augmented generation (RAG). In practice, pattern matching is challenging, since…

Databases · Computer Science 2025-11-07 Cong Yu , Tuo Shi , Matthias Weidlich , Bo Zhao