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Related papers: Augmented Embeddings for Custom Retrievals

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Text--image retrieval is necessary for applications such as product recommendation. Embedding-based approaches like CLIP enable efficient large-scale retrieval via vector similarity search, but they are primarily trained on literal…

Information Retrieval · Computer Science 2025-10-15 Eric He , Akash Gupta , Adian Liusie , Vatsal Raina , Piotr Molenda , Shirom Chabra , Vyas Raina

Retrieval plays a fundamental role in recommendation systems, search, and natural language processing (NLP) by efficiently finding relevant items from a large corpus given a query. Dot products have been widely used as the similarity…

Information Retrieval · Computer Science 2025-01-28 Bailu Ding , Jiaqi Zhai

Large language models (LLMs) have demonstrated strong capabilities in medical question answering; however, purely parametric models often suffer from knowledge gaps and limited factual grounding. Retrieval-augmented generation (RAG)…

Computation and Language · Computer Science 2026-04-09 Nusrat Sultana , Abdullah Muhammad Moosa , Kazi Afzalur Rahman , Sajal Chandra Banik

Large language models (LLMs) acquire knowledge across diverse domains such as science, history, and geography encountered during generative pre-training. However, due to their stochasticity, it is difficult to predict what LLMs have…

Computation and Language · Computer Science 2026-01-27 Kartik Sharma , Yiqiao Jin , Rakshit Trivedi , Srijan Kumar

We introduce ART, a new corpus-level autoencoding approach for training dense retrieval models that does not require any labeled training data. Dense retrieval is a central challenge for open-domain tasks, such as Open QA, where…

Computation and Language · Computer Science 2023-04-04 Devendra Singh Sachan , Mike Lewis , Dani Yogatama , Luke Zettlemoyer , Joelle Pineau , Manzil Zaheer

Retrieval-augmented generation integrates the capabilities of large language models with relevant information retrieved from an extensive corpus, yet encounters challenges when confronted with real-world noisy data. One recent solution is…

Computation and Language · Computer Science 2025-09-30 Kun Zhu , Xiaocheng Feng , Xiyuan Du , Yuxuan Gu , Weijiang Yu , Haotian Wang , Qianglong Chen , Zheng Chu , Jingchang Chen , Bing Qin

This paper evaluates existing and newly proposed answer selection methods based on pre-trained word embeddings. Word embeddings are highly effective in various natural language processing tasks and their integration into traditional…

Information Retrieval · Computer Science 2017-08-16 Rishav Chakravarti , Jiri Navratil , Cicero Nogueira dos Santos

Recent dense retrievers increasingly leverage the robust text understanding capabilities of Large Language Models (LLMs), encoding queries and documents into a shared embedding space for effective retrieval. However, most existing methods…

Information Retrieval · Computer Science 2025-10-07 Yifan Ji , Zhipeng Xu , Zhenghao Liu , Yukun Yan , Shi Yu , Yishan Li , Zhiyuan Liu , Yu Gu , Ge Yu , Maosong Sun

Enterprises grapple with the significant challenge of managing proprietary unstructured data, hindering efficient information retrieval. This has led to the emergence of AI-driven information retrieval solutions, designed to adeptly extract…

Ad-hoc search calls for the selection of appropriate answers from a massive-scale corpus. Nowadays, the embedding-based retrieval (EBR) becomes a promising solution, where deep learning based document representation and ANN search…

Information Retrieval · Computer Science 2022-03-03 Shitao Xiao , Zheng Liu , Weihao Han , Jianjin Zhang , Yingxia Shao , Defu Lian , Chaozhuo Li , Hao Sun , Denvy Deng , Liangjie Zhang , Qi Zhang , Xing Xie

Expansion-enhanced sparse lexical representation improves information retrieval (IR) by minimizing vocabulary mismatch problems during lexical matching. In this paper, we explore the potential of jointly learning dense semantic…

Machine Learning · Computer Science 2024-05-24 Biplob Biswas , Rajiv Ramnath

One of the core problems in large-scale recommendations is to retrieve top relevant candidates accurately and efficiently, preferably in sub-linear time. Previous approaches are mostly based on a two-step procedure: first learn an…

Information Retrieval · Computer Science 2021-05-19 Weihao Gao , Xiangjun Fan , Chong Wang , Jiankai Sun , Kai Jia , Wenzhi Xiao , Ruofan Ding , Xingyan Bin , Hui Yang , Xiaobing Liu

Retrieval-augmented large language models (LLMs) leverage relevant content retrieved by information retrieval systems to generate correct responses, aiming to alleviate the hallucination problem. However, existing retriever-responder…

Computation and Language · Computer Science 2024-06-26 Taolin Zhang , Dongyang Li , Qizhou Chen , Chengyu Wang , Longtao Huang , Hui Xue , Xiaofeng He , Jun Huang

Traditional information retrieval is based on sparse bag-of-words vector representations of documents and queries. More recent deep-learning approaches have used dense embeddings learned using a transformer-based large language model. We…

Information Retrieval · Computer Science 2024-01-09 Priyanka Mandikal , Raymond Mooney

In this paper, we propose to boost low-resource cross-lingual document retrieval performance with deep bilingual query-document representations. We match queries and documents in both source and target languages with four components, each…

Computation and Language · Computer Science 2019-06-11 Rui Zhang , Caitlin Westerfield , Sungrok Shim , Garrett Bingham , Alexander Fabbri , Neha Verma , William Hu , Dragomir Radev

Retrieval-augmented language models pose a promising alternative to standard language modeling. During pretraining, these models search in a corpus of documents for contextually relevant information that could aid the language modeling…

Computation and Language · Computer Science 2024-04-18 David Samuel , Lucas Georges Gabriel Charpentier , Sondre Wold

Dense retrieval models are commonly used in Information Retrieval (IR) applications, such as Retrieval-Augmented Generation (RAG). Since they often serve as the first step in these systems, their robustness is critical to avoid downstream…

Computation and Language · Computer Science 2025-06-04 Mohsen Fayyaz , Ali Modarressi , Hinrich Schuetze , Nanyun Peng

Retrieval-augmented language models (LMs) have received much attention recently. However, typically the retriever is not trained jointly as a native component of the LM, but added post-hoc to an already-pretrained LM, which limits the…

Computation and Language · Computer Science 2024-07-23 Ohad Rubin , Jonathan Berant

Domain specific information retrieval process has been a prominent and ongoing research in the field of natural language processing. Many researchers have incorporated different techniques to overcome the technical and domain specificity…

With the advent of large language models (LLMs), there has been a great deal of interest in applying them to solve difficult programming tasks. Recent work has demonstrated their potential at program optimization, a key challenge in…

Machine Learning · Computer Science 2025-02-03 Sagnik Anupam , Alexander Shypula , Osbert Bastani