English
Related papers

Related papers: Optimizing Retrieval Components for a Shared Backb…

200 papers

Solving different types of optimization models (including parameters fitting) for support vector machines on large-scale training data is often an expensive computational task. This paper proposes a multilevel algorithmic framework that…

Machine Learning · Statistics 2014-10-14 Talayeh Razzaghi , Ilya Safro

Domain-specific finetuning is essential for dense retrievers, yet not all training pairs contribute equally to the learning process. We introduce OPERA, a data pruning framework that exploits this heterogeneity to improve both the…

Information Retrieval · Computer Science 2026-04-02 Haoyang Fang , Shuai Zhang , Yifei Ma , Hengyi Wang , Cuixiong Hu , Katrin Kirchhoff , Bernie Wang , George Karypis

Large-scale text retrieval technology has been widely used in various practical business scenarios. This paper presents our systems for the TREC 2022 Deep Learning Track. We explain the hybrid text retrieval and multi-stage text ranking…

Information Retrieval · Computer Science 2023-08-24 Guangwei Xu , Yangzhao Zhang , Longhui Zhang , Dingkun Long , Pengjun Xie , Ruijie Guo

Industry-scale recommender systems face a core challenge: representing entities with high cardinality, such as users or items, using dense embeddings that must be accessible during both training and inference. However, as embedding sizes…

Information Retrieval · Computer Science 2025-05-19 Petr Kasalický , Martin Spišák , Vojtěch Vančura , Daniel Bohuněk , Rodrigo Alves , Pavel Kordík

Endogenous, i.e. decision-dependent, uncertainty has received increased interest in the stochastic programming community. In the robust optimization context, however, it has rarely been considered. This work addresses multistage robust…

Optimization and Control · Mathematics 2020-08-27 Wei Feng , Yiping Feng , Qi Zhang

Phase retrieval deals with the estimation of complex-valued signals solely from the magnitudes of linear measurements. While there has been a recent explosion in the development of phase retrieval algorithms, the lack of a common interface…

Optimization and Control · Mathematics 2017-12-01 Rohan Chandra , Ziyuan Zhong , Justin Hontz , Val McCulloch , Christoph Studer , Tom Goldstein

While retrieval augmented generation (RAG) has been swiftly adopted in industrial applications based on large language models (LLMs), there is no consensus on what are the best practices for building a RAG system in terms of what are the…

Computation and Language · Computer Science 2026-02-13 Liz Li , Wei Zhu

Retrieval-augmented generation (RAG) can substantially enhance the performance of LLMs on knowledge-intensive tasks. Various RAG paradigms - including vanilla, planning-based, and iterative RAG - all depend on a robust retriever, yet…

Artificial Intelligence · Computer Science 2026-02-10 Haiyang Shen , Hang Yan , Zhongshi Xing , Mugeng Liu , Yue Li , Zhiyang Chen , Yuxiang Wang , Jiuzheng Wang , Yun Ma

In post-disaster scenarios, efficient search and rescue operations involve collaborative efforts between robots and humans. Existing planning approaches focus on specific aspects but overlook crucial elements like information gathering,…

Robotics · Computer Science 2023-09-25 Hamid Osooli , Paul Robinette , Kshitij Jerath , S. Reza Ahmadzadeh

Search engines often follow a two-phase paradigm where in the first stage (the retrieval stage) an initial set of documents is retrieved and in the second stage (the re-ranking stage) the documents are re-ranked to obtain the final result…

Information Retrieval · Computer Science 2020-10-06 Saar Kuzi , Mingyang Zhang , Cheng Li , Michael Bendersky , Marc Najork

For multi-stage recommenders in industry, a user request would first trigger a simple and efficient retriever module that selects and ranks a list of relevant items, then the recommender calls a slower but more sophisticated reranking model…

Information Retrieval · Computer Science 2026-05-19 Wenyu Mao , Shuchang Liu , Hailan Yang , Xiaobei Wang , Xiaoyu Yang , Xu Gao , Xiang Li , Lantao Hu , Han Li , Kun Gai , An Zhang , Xiang Wang

Phase retrieval consists in the recovery of a complex-valued signal from intensity-only measurements. As it pervades a broad variety of applications, many researchers have striven to develop phase-retrieval algorithms. Classical approaches…

The rapid growth of Retrieval-Augmented Generation (RAG) has created a proliferation of toolkits, yet a fundamental gap remains between experimental prototypes and robust, production-ready systems. We present SearchGym, a modular…

Information Retrieval · Computer Science 2026-03-06 Jerome Tze-Hou Hsu

State-of-the-art detection systems are generally evaluated on their ability to exhaustively retrieve objects densely distributed in the image, across a wide variety of appearances and semantic categories. Orthogonal to this, many real-life…

Computer Vision and Pattern Recognition · Computer Science 2020-04-28 Amelie Royer , Christoph H. Lampert

Pre-trained multimodal models have achieved significant success in retrieval-based question answering. However, current multimodal retrieval question-answering models face two main challenges. Firstly, utilizing compressed evidence features…

Artificial Intelligence · Computer Science 2023-10-17 Shuwen Yang , Anran Wu , Xingjiao Wu , Luwei Xiao , Tianlong Ma , Cheng Jin , Liang He

Embedding-based retrieval (EBR) methods are widely used in modern recommender systems thanks to its simplicity and effectiveness. However, along the journey of deploying and iterating on EBR in production, we still identify some fundamental…

Information Retrieval · Computer Science 2023-02-07 Yuan Zhang , Xue Dong , Weijie Ding , Biao Li , Peng Jiang , Kun Gai

The large amount of information and the increasing complexity of applications constrain developers to have stand-alone and reusable components from libraries and component markets.Our approach consists in developing methods to evaluate the…

Software Engineering · Computer Science 2017-03-30 Kouakou Ive Arsene Koffi , Konan Marcellin Brou , Souleymane Oumtanaga

Category-level 6D object pose estimation is typically formulated as a multi-category joint learning problem with fully shared model parameters. However, pronounced geometric heterogeneity across categories entangles incompatible…

Computer Vision and Pattern Recognition · Computer Science 2026-05-18 Yifan Gao , Lu Zou , Zhangjin Huang , Guoping Wang

Industrial part specification extraction from unstructured text remains a persistent challenge in manufacturing, procurement, and maintenance, where manual processing is both time-consuming and error-prone. This paper introduces a…

Information Retrieval · Computer Science 2026-01-12 Muzakkiruddin Ahmed Mohammed , John R. Talburt , Leon Claasssens , Adriaan Marais

Retrieval-Augmented Generation (RAG) systems commonly adopt retrieval fusion techniques such as multi-query retrieval and reciprocal rank fusion (RRF) to increase document recall, under the assumption that higher recall leads to better…

Information Retrieval · Computer Science 2026-03-03 Luigi Medrano , Arush Verma , Mukul Chhabra