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Related papers: Attention-Based Query Expansion Learning

200 papers

Image-mixing augmentations (e.g., Mixup and CutMix), which typically involve mixing two images, have become the de-facto training techniques for image classification. Despite their huge success in image classification, the number of images…

Computer Vision and Pattern Recognition · Computer Science 2023-03-20 Joonhyun Jeong , Sungmin Cha , Youngjoon Yoo , Sangdoo Yun , Taesup Moon , Jongwon Choi

Large language models (LLMs) have demonstrated significant potential in enhancing dense retrieval through query augmentation. However, most existing methods treat the LLM and the retriever as separate modules, overlooking the alignment…

Information Retrieval · Computer Science 2025-05-30 Sijia Yao , Pengcheng Huang , Zhenghao Liu , Yu Gu , Yukun Yan , Shi Yu , Ge Yu

One of the fundamental limitations of Deep Neural Networks (DNN) is its inability to acquire and accumulate new cognitive capabilities. When some new data appears, such as new object classes that are not in the prescribed set of objects…

Machine Learning · Computer Science 2021-11-23 Xinyu Wei , Biing-Hwang Fred Juang , Ouya Wang , Shenglong Zhou , Geoffrey Ye Li

Agentic search has recently emerged as a powerful paradigm, where an agent interleaves multi-step reasoning with on-demand retrieval to solve complex questions. Despite its success, how to design a retriever for agentic search remains…

Information Retrieval · Computer Science 2026-01-22 Wenhan Liu , Xinyu Ma , Yutao Zhu , Yuchen Li , Daiting Shi , Dawei Yin , Zhicheng Dou

CQA services are valuable sources of knowledge that can be used to find answers to users' information needs. In these services, question retrieval aims to help users with their information needs by finding similar questions to theirs.…

Information Retrieval · Computer Science 2024-11-26 Yasin Ghafourian , Sajad Movahedi , Azadeh Shakery

We propose a new attention mechanism for neural based question answering, which depends on varying granularities of the input. Previous work focused on augmenting recurrent neural networks with simple attention mechanisms which are a…

Computation and Language · Computer Science 2017-09-21 Yoram Bachrach , Andrej Zukov-Gregoric , Sam Coope , Ed Tovell , Bogdan Maksak , Jose Rodriguez , Conan McMurtie

Structured information extraction from document images usually consists of three steps: text detection, text recognition, and text field labeling. While text detection and text recognition have been heavily studied and improved a lot in…

Computer Vision and Pattern Recognition · Computer Science 2020-09-10 Mengli Cheng , Minghui Qiu , Xing Shi , Jun Huang , Wei Lin

As code search is a frequent developer activity in software development practices, improving the performance of code search is a critical task. In the text retrieval based search techniques employed in the code search, the term mismatch…

Software Engineering · Computer Science 2017-03-07 Liming Nie , He Jiang , Zhilei Ren , Zeyi Sun , Xiaochen Li

Representation learning produces models in different domains, such as store purchases, client transactions, and general people's behavior. However, such models for event sequences usually process each sequence in isolation, ignoring context…

Machine Learning · Computer Science 2026-05-29 Petr Sokerin , Maria Kovaleva , Ekaterina Boyarina , Pavel Tikhomirov , Denis Vorobiyov , Alexey Zaytsev

Deep learning (DL) algorithms have shown significant performance in various computer vision tasks. However, having limited labelled data lead to a network overfitting problem, where network performance is bad on unseen data as compared to…

Computer Vision and Pattern Recognition · Computer Science 2023-03-14 Teerath Kumar , Alessandra Mileo , Rob Brennan , Malika Bendechache

People often capture memories through photos, screenshots, and videos. While existing AI-based tools enable querying this data using natural language, they only support retrieving individual pieces of information like certain objects in…

Human-Computer Interaction · Computer Science 2025-02-24 Jiahao Nick Li , Zhuohao Jerry Zhang , Jiaju Ma

Optimization of image transformation functions for the purpose of data augmentation has been intensively studied. In particular, adversarial data augmentation strategies, which search augmentation maximizing task loss, show significant…

Computer Vision and Pattern Recognition · Computer Science 2022-03-30 Teppei Suzuki

Machine learning algorithms have difficulties to generalize over a small set of examples. Humans can perform such a task by exploiting vast amount of background knowledge they possess. One method for enhancing learning algorithms with…

Machine Learning · Computer Science 2020-06-09 Michal Badian , Shaul Markovitch

Sequence labeling architectures use word embeddings for capturing similarity, but suffer when handling previously unseen or rare words. We investigate character-level extensions to such models and propose a novel architecture for combining…

Computation and Language · Computer Science 2016-11-15 Marek Rei , Gamal K. O. Crichton , Sampo Pyysalo

Retouching can significantly elevate the visual appeal of photos, but many casual photographers lack the expertise to do this well. To address this problem, previous works have proposed automatic retouching systems based on supervised…

Graphics · Computer Science 2018-02-09 Yuanming Hu , Hao He , Chenxi Xu , Baoyuan Wang , Stephen Lin

In information retrieval systems, search parameters are optimized to ensure high effectiveness based on a set of past searches and these optimized parameters are then used as the system configuration for all subsequent queries. A better…

Information Retrieval · Computer Science 2024-05-27 Josiane Mothe , Md Zia Ullah

Attentional Neural Network is a new framework that integrates top-down cognitive bias and bottom-up feature extraction in one coherent architecture. The top-down influence is especially effective when dealing with high noise or difficult…

Computer Vision and Pattern Recognition · Computer Science 2014-11-20 Qian Wang , Jiaxing Zhang , Sen Song , Zheng Zhang

Table question answering is a popular task that assesses a model's ability to understand and interact with structured data. However, the given table often does not contain sufficient information for answering the question, necessitating the…

Computation and Language · Computer Science 2024-01-30 Yujian Liu , Jiabao Ji , Tong Yu , Ryan Rossi , Sungchul Kim , Handong Zhao , Ritwik Sinha , Yang Zhang , Shiyu Chang

Attentive Neural Process (ANP) improves the fitting ability of Neural Process (NP) and improves its prediction accuracy, but the higher time complexity of the model imposes a limitation on the length of the input sequence. Inspired by…

Computer Vision and Pattern Recognition · Computer Science 2022-02-07 Xiaohan Yu , Shaochen Mao

In this work we introduce a cross modal image retrieval system that allows both text and sketch as input modalities for the query. A cross-modal deep network architecture is formulated to jointly model the sketch and text input modalities…

Computer Vision and Pattern Recognition · Computer Science 2018-05-01 Sounak Dey , Anjan Dutta , Suman K. Ghosh , Ernest Valveny , Josep Lladós , Umapada Pal