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Cross-lingual information retrieval (CLIR) helps users find documents in languages different from their queries. This is especially important in academic search, where key research is often published in non-English languages. We present…

Information Retrieval · Computer Science 2025-11-20 Francisco Valentini , Diego Kozlowski , Vincent Larivière

Slide decks, serving as digital reports that bridge the gap between presentation slides and written documents, are a prevalent medium for conveying information in both academic and corporate settings. Their multimodal nature, combining…

Computation and Language · Computer Science 2025-09-19 Petros Stylianos Giouroukis , Dimitris Dimitriadis , Dimitrios Papadopoulos , Zhenwen Shao , Grigorios Tsoumakas

Cross-lingual information retrieval (CLIR) enables access to multilingual knowledge but remains challenging due to disparities in resources, scripts, and weak cross-lingual semantic alignment in embedding models. Existing pipelines often…

Information Retrieval · Computer Science 2025-11-25 Roksana Goworek , Olivia Macmillan-Scott , Eda B. Özyiğit

In scientific machine learning, the task of identifying partial differential equations accurately from sparse and noisy data poses a significant challenge. Current sparse regression methods may identify inaccurate equations on sparse and…

Machine Learning · Computer Science 2025-04-08 Su Chen , Yi Ding , Hiroe Miyake , Xiaojun Li

Ranker and retriever are two important components in dense passage retrieval. The retriever typically adopts a dual-encoder model, where queries and documents are separately input into two pre-trained models, and the vectors generated by…

Information Retrieval · Computer Science 2023-12-29 Haifeng Li , Mo Hai , Dong Tang

Recent rapid advancements in deep pre-trained language models and the introductions of large datasets have powered research in embedding-based dense retrieval. While several good research papers have emerged, many of them come with their…

Information Retrieval · Computer Science 2022-03-14 Luyu Gao , Xueguang Ma , Jimmy Lin , Jamie Callan

Although representational retrieval models based on Transformers have been able to make major advances in the past few years, and despite the widely accepted conventions and best-practices for testing such models, a $\textit{standardized}$…

Information Retrieval · Computer Science 2022-08-16 Nima Sadri

Dense passage retrieval (DPR) models show great effectiveness gains in first stage retrieval for the web domain. However in the web domain we are in a setting with large amounts of training data and a query-to-passage or a query-to-document…

Information Retrieval · Computer Science 2022-08-16 Sophia Althammer , Sebastian Hofstätter , Mete Sertkan , Suzan Verberne , Allan Hanbury

Speculative decoding (SD) accelerates Large Language Model (LLM) generation by using an efficient draft model to propose the next few tokens, which are verified by the LLM in a single forward call, reducing latency while preserving its…

Computation and Language · Computer Science 2025-05-30 Milan Gritta , Huiyin Xue , Gerasimos Lampouras

Radiology reports are a rich resource for advancing deep learning applications in medicine by leveraging the large volume of data continuously being updated, integrated, and shared. However, there are significant challenges as well, largely…

Information Retrieval · Computer Science 2017-11-21 Imon Banerjee , Sriraman Madhavan , Roger Eric Goldman , Daniel L. Rubin

Learned Sparse Retrieval (LSR) such as SPLADE has growing interest for effective semantic 1st stage matching while enjoying the efficiency of inverted indices. A recent work on learning SPLADE models with expanded vocabularies (ESPLADE) was…

Information Retrieval · Computer Science 2026-04-21 Hiun Kim , Tae Kwan Lee , Taeryun Won

Document retrieval aims at finding the most important documents where a pattern appears in a collection of strings. Traditional pattern-matching techniques yield brute-force document retrieval solutions, which has motivated the research on…

Data Structures and Algorithms · Computer Science 2014-07-02 Gonzalo Navarro , Simon J. Puglisi , Jouni Sirén

Visual document retrieval has become essential for accessing information in visually rich documents. Existing approaches fall into two camps. Late-interaction retrievers achieve strong quality through fine-grained token-level matching but…

Machine Learning · Computer Science 2026-05-08 Weien Li , Rui Song , Zeyu Li , Haochen Liu , Gonghao Zhang , Difan Jiao , Zhenwei Tang , Bowei He , Haolun Wu , Xue Liu , Ye Yuan

This paper tackles two key challenges: detecting small, dense, and overlapping objects (a major hurdle in computer vision) and improving the quality of noisy images, especially those encountered in industrial environments. [1, 2]. Our focus…

Computer Vision and Pattern Recognition · Computer Science 2025-09-04 Oussama Messai , Abbass Zein-Eddine , Abdelouahid Bentamou , Mickaël Picq , Nicolas Duquesne , Stéphane Puydarrieux , Yann Gavet

Learning quality document embeddings is a fundamental problem in natural language processing (NLP), information retrieval (IR), recommendation systems, and search engines. Despite recent advances in the development of transformer-based…

Computation and Language · Computer Science 2024-03-27 Daniel Saggau , Mina Rezaei , Bernd Bischl , Ilias Chalkidis

Interpretability benefits the theoretical understanding of representations. Existing word embeddings are generally dense representations. Hence, the meaning of latent dimensions is difficult to interpret. This makes word embeddings like a…

Computation and Language · Computer Science 2023-06-27 Minxue Xia , Hao Zhu

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

Learned sparse retrieval, which can efficiently perform retrieval through mature inverted-index engines, has garnered growing attention in recent years. Particularly, the inference-free sparse retrievers are attractive as they eliminate…

Information Retrieval · Computer Science 2025-07-02 Zhichao Geng , Yiwen Wang , Dongyu Ru , Yang Yang

Scene classification is a key problem in the interpretation of high-resolution remote sensing imagery. Many state-of-the-art methods, e.g. bag-of-visual-words model and its variants, the topic models as well as deep learning-based…

Computer Vision and Pattern Recognition · Computer Science 2015-08-03 Jingwen Hu , Gui-Song Xia , Fan Hu , Liangpei Zhang

Pre-trained language models have been successful in many knowledge-intensive NLP tasks. However, recent work has shown that models such as BERT are not ``structurally ready'' to aggregate textual information into a [CLS] vector for dense…

Information Retrieval · Computer Science 2023-05-26 Sheng-Chieh Lin , Minghan Li , Jimmy Lin
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