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Content-based image retrieval (CBIR) systems have emerged as crucial tools in the field of computer vision, allowing for image search based on visual content rather than relying solely on metadata. This survey paper presents a comprehensive…

Computer Vision and Pattern Recognition · Computer Science 2023-12-19 Hamed Qazanfari , Mohammad M. AlyanNezhadi , Zohreh Nozari Khoshdaregi

Knowledge retrieval is one of the major challenges in building a knowledge-grounded dialogue system. A common method is to use a neural retriever with a distributed approximate nearest-neighbor database to quickly find the relevant…

Information Retrieval · Computer Science 2024-05-09 Nhat Tran , Diane Litman

Causal discovery from time series is critical for many real-world applications, such as tracing the root causes of anomalies. Existing approaches typically rely on dataset-specific optimization, making it difficult to transfer their causal…

Machine Learning · Computer Science 2026-05-27 Biao Ouyang , Tengxue Zhang , Zhihao Zhuang , Yang Shu , Chenjuan Guo , Bin Yang

Visual storytelling involves generating a sequence of coherent frames from a textual storyline while maintaining consistency in characters and scenes. Existing autoregressive methods, which rely on previous frame-sentence pairs, struggle…

Computer Vision and Pattern Recognition · Computer Science 2025-02-25 Sixiao Zheng , Yanwei Fu

Test-Time Compute (TTC) has emerged as a powerful paradigm for enhancing the performance of Large Language Models (LLMs) at inference, leveraging strategies such as Test-Time Training (TTT) and Retrieval-Augmented Generation (RAG). However,…

Computation and Language · Computer Science 2025-08-15 J. Pablo Muñoz , Jinjie Yuan

This decade has seen a great deal of progress in the development of information retrieval systems. Unfortunately, we still lack a systematic understanding of the behavior of the systems and their relationship with documents. In this paper…

Information Retrieval · Computer Science 2007-05-23 Myung Ho Kim

Time series often appear in an additive hierarchical structure. In such cases, time series on higher levels are the sums of their subordinate time series. This hierarchical structure places a natural constraint on forecasts. However,…

Methodology · Statistics 2025-03-20 Louis Steinmeister , Markus Pauly

We are concerned with retrieving a query person from multiple videos captured by a non-overlapping camera network. Existing methods often rely on purely visual matching or consider temporal constraints but ignore the spatial information of…

Computer Vision and Pattern Recognition · Computer Science 2023-07-06 Xin Zhang , Xiaohua Xie , Jianhuang Lai , Wei-Shi Zheng

Recent work has shown the efficiency of deep learning models such as Fully Convolutional Networks (FCN) or Recurrent Neural Networks (RNN) to deal with Time Series Regression (TSR) problems. These models sometimes need a lot of data to be…

Machine Learning · Computer Science 2021-11-03 Sebastian Pineda Arango , Felix Heinrich , Kiran Madhusudhanan , Lars Schmidt-Thieme

Content-based multimedia information retrieval is an interesting research area since it allows retrieval based on inherent characteristic of multimedia objects. For example retrieval based on visual characteristics such as colour, shapes or…

Information Retrieval · Computer Science 2012-07-19 Mohammad Nabil Almunawar

We present TemporalStereo, a coarse-to-fine stereo matching network that is highly efficient, and able to effectively exploit the past geometry and context information to boost matching accuracy. Our network leverages sparse cost volume and…

Computer Vision and Pattern Recognition · Computer Science 2023-08-04 Youmin Zhang , Matteo Poggi , Stefano Mattoccia

Following detailed presentation of the Core Conflictual Relationship Theme (CCRT), there is the objective of relevant methods for what has been described as verbalization and visualization of data. Such is also termed data mining and text…

Computation and Language · Computer Science 2018-05-30 Fionn Murtagh , Giuseppe Iurato

Sequential recommendation (SR) aims to predict the subsequent behaviors of users by understanding their successive historical behaviors. Recently, some methods for SR are devoted to alleviating the data sparsity problem (i.e., limited…

Information Retrieval · Computer Science 2022-08-30 Ziyang Wang , Huoyu Liu , Wei Wei , Yue Hu , Xian-Ling Mao , Shaojian He , Rui Fang , Dangyang chen

A typical IR system that delivers and stores information is affected by problem of matching between user query and available content on web. Use of Ontology represents the extracted terms in form of network graph consisting of nodes, edges,…

Information Retrieval · Computer Science 2017-03-23 Gagandeep Singh Narula , Vishal Jain

Conversational recommendation systems (CRSs) use multi-turn interaction to capture user preferences and provide personalized recommendations. A fundamental challenge in CRSs lies in effectively understanding user preferences from…

Information Retrieval · Computer Science 2025-04-30 Xiaolei Wang , Chunxuan Xia , Junyi Li , Fanzhe Meng , Lei Huang , Jinpeng Wang , Wayne Xin Zhao , Ji-Rong Wen

Most approaches to cross-modal retrieval (CMR) focus either on object-centric datasets, meaning that each document depicts or describes a single object, or on scene-centric datasets, meaning that each image depicts or describes a complex…

Information Retrieval · Computer Science 2023-10-12 Mariya Hendriksen , Svitlana Vakulenko , Ernst Kuiper , Maarten de Rijke

Nowadays, news apps have taken over the popularity of paper-based media, providing a great opportunity for personalization. Recurrent Neural Network (RNN)-based sequential recommendation is a popular approach that utilizes users' recent…

Information Retrieval · Computer Science 2020-04-13 Bing Bai , Guanhua Zhang , Ye Lin , Hao Li , Kun Bai , Bo Luo

Neural networks with deep architectures have demonstrated significant performance improvements in computer vision, speech recognition, and natural language processing. The challenges in information retrieval (IR), however, are different…

Information Retrieval · Computer Science 2021-03-23 Bhaskar Mitra

Click-through rate (CTR) prediction aims to predict the probability that the user will click an item, which has been one of the key tasks in online recommender and advertising systems. In such systems, rich user behavior (viz. long- and…

Information Retrieval · Computer Science 2023-06-21 Huinan Sun , Guangliang Yu , Pengye Zhang , Bo Zhang , Xingxing Wang , Dong Wang

In recent years, live streaming platforms have gained immense popularity as they allow users to broadcast their videos and interact in real-time with hosts and peers. Due to the dynamic changes of live content, accurate recommendation…

Computer Vision and Pattern Recognition · Computer Science 2023-06-27 Jiaxin Deng , Dong Shen , Shiyao Wang , Xiangyu Wu , Fan Yang , Guorui Zhou , Gaofeng Meng