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Vector quantization (VQ) is a key component in discrete tokenizers for image generation, but its training is often unstable due to straight-through estimation bias, one-step-behind updates, and sparse codebook gradients, which lead to…

计算机视觉与模式识别 · 计算机科学 2025-09-15 Yifan Chang , Jie Qin , Limeng Qiao , Xiaofeng Wang , Zheng Zhu , Lin Ma , Xingang Wang

Reading comprehension models are based on recurrent neural networks that sequentially process the document tokens. As interest turns to answering more complex questions over longer documents, sequential reading of large portions of text…

计算与语言 · 计算机科学 2018-09-11 Mor Geva , Jonathan Berant

Many modern applications produce massive streams of data series that need to be analyzed, requiring efficient similarity search operations. However, the state-of-the-art data series indexes that are used for this purpose do not scale well…

数据库 · 计算机科学 2021-04-19 Haridimos Kondylakis , Niv Dayan , Kostas Zoumpatianos , Themis Palpanas

Retrieving specific information from a large corpus of documents is a prevalent industrial use case of modern AI, notably due to the popularity of Retrieval-Augmented Generation (RAG) systems. Although neural document retrieval models have…

信息检索 · 计算机科学 2025-12-17 Paul Teiletche , Quentin Macé , Max Conti , Antonio Loison , Gautier Viaud , Pierre Colombo , Manuel Faysse

Existing vector quantization (VQ) methods struggle with scalability, largely attributed to the instability of the codebook that undergoes partial updates during training. The codebook is prone to collapse as utilization decreases, due to…

计算机视觉与模式识别 · 计算机科学 2025-03-11 Fengyuan Shi , Zhuoyan Luo , Yixiao Ge , Yujiu Yang , Ying Shan , Limin Wang

Processing data streams arriving at high speed requires the development of models that can provide fast and accurate predictions. Although deep neural networks are the state-of-the-art for many machine learning tasks, their performance in…

The increase in data volume, computational resources, and model parameters during training has led to the development of numerous large-scale industrial retrieval models for recommendation tasks. However, effectively and efficiently…

While Test-Time Scaling (TTS) offers a promising direction to enhance video generation without the surging costs of training, current test-time video generation methods based on diffusion models suffer from exorbitant candidate exploration…

计算机视觉与模式识别 · 计算机科学 2026-05-07 Yijing Tu , Shaojin Wu , Mengqi Huang , Wenchuan Wang , Yuxin Wang , Chunxiao Liu , Zhendong Mao

In this paper we present a method for reformulating the Recommender Systems problem in an Information Retrieval one. In our tests we have a dataset of users who give ratings for some movies; we hide some values from the dataset, and we try…

信息检索 · 计算机科学 2011-06-03 Alberto Costa , Fabio Roda

We introduce and study the problem of computing the similarity self-join in a streaming context (SSSJ), where the input is an unbounded stream of items arriving continuously. The goal is to find all pairs of items in the stream whose…

数据库 · 计算机科学 2016-03-09 Gianmarco De Francisci Morales , Aristides Gionis

Deep learning as a means to inferencing has proliferated thanks to its versatility and ability to approach or exceed human-level accuracy. These computational models have seemingly insatiable appetites for computational resources not only…

Networks are a natural representation of complex systems across the sciences, and higher-order dependencies are central to the understanding and modeling of these systems. However, in many practical applications such as online social…

社会与信息网络 · 计算机科学 2020-10-28 Nesreen K. Ahmed , Nick Duffield

Vector quantization is a fundamental operation for data compression and vector search. To obtain high accuracy, multi-codebook methods represent each vector using codewords across several codebooks. Residual quantization (RQ) is one such…

机器学习 · 计算机科学 2024-05-22 Iris A. M. Huijben , Matthijs Douze , Matthew Muckley , Ruud J. G. van Sloun , Jakob Verbeek

Caching algorithms try to predict content popularity, and place the content closer to the users. Additionally, nowadays requests are increasingly driven by recommendation systems (RS). These important trends, point to the following:…

网络与互联网体系结构 · 计算机科学 2021-10-05 Theodoros Giannakas , Pavlos Sermpezis , Thrasyvoulos Spyropoulos

This paper aims to solve the problem of large-scale video retrieval by a query image. Firstly, we define the problem of top-$k$ image to video query. Then, we combine the merits of convolutional neural networks(CNN for short) and Bag of…

多媒体 · 计算机科学 2018-10-16 Chengyuan Zhang , Yunwu Lin , Lei Zhu , Anfeng Liu , Zuping Zhang , Fang Huang

Live streaming recommender system is specifically designed to recommend real-time live streaming of interest to users. Due to the dynamic changes of live content, improving the timeliness of the live streaming recommender system is a…

信息检索 · 计算机科学 2024-02-23 Fengqi Liang , Baigong Zheng , Liqin Zhao , Guorui Zhou , Qian Wang , Yanan Niu

With the advancement of machine learning and deep learning, vector search becomes instrumental to many information retrieval systems, to search and find best matches to user queries based on their semantic similarities.These online services…

计算机视觉与模式识别 · 计算机科学 2018-09-13 Minjia Zhang , Yuxiong He

Advanced relevance models, such as those that use large language models (LLMs), provide highly accurate relevance estimations. However, their computational costs make them infeasible for processing large document corpora. To address this,…

信息检索 · 计算机科学 2025-05-08 Mandeep Rathee , V Venktesh , Sean MacAvaney , Avishek Anand

As the number of devices connected to the Internet of Things (IoT) increases significantly, it leads to an exponential growth in the number of services that need to be processed and stored in the large-scale Cloud-based service…

信息检索 · 计算机科学 2022-08-18 Jiayan Gu , Ashiq Anjum , Yan Wu , Lu Liu , John Panneerselvam , Yao Lu , Bo Yuan

Standard Retrieval-Augmented Generation (RAG) chunking methods often create excessive redundancy, increasing storage costs and slowing retrieval. This study explores chunk filtering strategies, such as semantic, topic-based, and…

计算与语言 · 计算机科学 2026-04-28 Daria Berdyugina , Anaëlle Cohen , Yohann Rioual