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Dense embedding models are commonly deployed in commercial search engines, wherein all the document vectors are pre-computed, and near-neighbor search (NNS) is performed with the query vector to find relevant documents. However, the…

Machine Learning · Computer Science 2020-09-01 Tharun Medini , Beidi Chen , Anshumali Shrivastava

We propose a general model-agnostic Contrastive learning framework with Counterfactual Samples Synthesizing (CCSS) for modeling the monotonicity between the neural network output and numerical features which is critical for interpretability…

Information Retrieval · Computer Science 2025-09-04 Xiaoxiao Xu , Hao Wu , Wenhui Yu , Lantao Hu , Peng Jiang , Kun Gai

This paper presents methods for improving automated essay scoring with techniques that address the computational trade-offs of self-attention and document length. To make Automated Essay Scoring (AES) more useful to practitioners,…

Computation and Language · Computer Science 2021-12-23 Mike Hardy

Recently, Convolutional Neural Networks (CNNs) have shown unprecedented success in the field of computer vision, especially on challenging image classification tasks by relying on a universal approach, i.e., training a deep model on a…

Computer Vision and Pattern Recognition · Computer Science 2019-05-23 Johan Phan , Massimiliano Ruocco , Francesco Scibilia

Slice Sampling has emerged as a powerful Markov Chain Monte Carlo algorithm that adapts to the characteristics of the target distribution with minimal hand-tuning. However, Slice Sampling's performance is highly sensitive to the…

Machine Learning · Statistics 2021-10-05 Minas Karamanis , Florian Beutler

The effective sample size (ESS) measures the informational value of a probability distribution in terms of an equivalent number of study participants. The ESS plays a crucial role in estimating the Expected Value of Sample Information…

Methodology · Statistics 2024-01-31 Linke Li , Hawre Jalal , Anna Heath

Generative retrieval offers a promising alternative by unifying the fragmented multi-stage retrieval process into a single end-to-end model. However, its practical adoption in industrial e-commerce search remains challenging, given the…

Information Retrieval · Computer Science 2026-05-15 Jianbo Zhu , Xing Fang , Jing Wang , Mingmin Jin , Bokang Wang , Guangxin Song , Zhenyu Xie , Junjie Bai

Negative sampling stands as a pivotal technique in dense retrieval, essential for training effective retrieval models and significantly impacting retrieval performance. While existing negative sampling methods have made commendable progress…

Information Retrieval · Computer Science 2024-02-20 Zhen Yang , Zhou Shao , Yuxiao Dong , Jie Tang

Recommender system (RS) aims to capture personalized preferences from massive user behaviors, making them pivotal in the era of information explosion. However, the presence of ``information cocoons'', interaction sparsity, cold-start…

Information Retrieval · Computer Science 2025-07-28 Haokai Ma , Ruobing Xie , Lei Meng , Fuli Feng , Xiaoyu Du , Xingwu Sun , Zhanhui Kang , Xiangxu Meng

This paper investigates an under-explored but important problem: given a collection of pre-trained neural networks, predicting their performance on each multi-modal task without fine-tuning them, such as image recognition, referring,…

Machine Learning · Computer Science 2023-08-14 Fanqing Meng , Wenqi Shao , Zhanglin Peng , Chonghe Jiang , Kaipeng Zhang , Yu Qiao , Ping Luo

Neural Architecture Search (NAS) has received increasing attention because of its exceptional merits in automating the design of Deep Neural Network (DNN) architectures. However, the performance evaluation process, as a key part of NAS,…

Neural and Evolutionary Computing · Computer Science 2024-10-10 Xiaotian Song , Xiangning Xie , Zeqiong Lv , Gary G. Yen , Weiping Ding , Jiancheng Lv , Yanan Sun

Production recommendation systems rely on embedding methods to represent various features. An impeding challenge in practice is that the large embedding matrix incurs substantial memory footprint in serving as the number of features grows…

Information Retrieval · Computer Science 2019-03-04 Xiaorui Wu , Hong Xu , Honglin Zhang , Huaming Chen , Jian Wang

The retrieval phase is a vital component in recommendation systems, requiring the model to be effective and efficient. Recently, generative retrieval has become an emerging paradigm for document retrieval, showing notable performance. These…

Information Retrieval · Computer Science 2024-07-09 Zihua Si , Zhongxiang Sun , Jiale Chen , Guozhang Chen , Xiaoxue Zang , Kai Zheng , Yang Song , Xiao Zhang , Jun Xu , Kun Gai

Providing high-quality item recall for text queries is crucial in large-scale e-commerce search systems. Current Embedding-based Retrieval Systems (ERS) embed queries and items into a shared low-dimensional space, but uni-modality ERS rely…

Information Retrieval · Computer Science 2024-08-28 Hao Jiang , Haoxiang Zhang , Qingshan Hou , Chaofeng Chen , Weisi Lin , Jingchang Zhang , Annan Wang

Sample selection is a prevalent approach in learning with noisy labels, aiming to identify confident samples for training. Although existing sample selection methods have achieved decent results by reducing the noise rate of the selected…

Machine Learning · Computer Science 2025-10-22 Suqin Yuan , Lei Feng , Bo Han , Tongliang Liu

Negative sampling methods are vital in implicit recommendation models as they allow us to obtain negative instances from massive unlabeled data. Most existing approaches focus on sampling hard negative samples in various ways. These studies…

Information Retrieval · Computer Science 2023-11-08 Fuyuan Lyu , Yaochen Hu , Xing Tang , Yingxue Zhang , Ruiming Tang , Xue Liu

We present the novel Efficient Line Segment Detector and Descriptor (ELSD) to simultaneously detect line segments and extract their descriptors in an image. Unlike the traditional pipelines that conduct detection and description separately,…

Computer Vision and Pattern Recognition · Computer Science 2021-04-30 Haotian Zhang , Yicheng Luo , Fangbo Qin , Yijia He , Xiao Liu

Deep multi-view clustering methods have achieved remarkable performance. However, all of them failed to consider the difficulty labels (uncertainty of ground-truth for training samples) over multi-view samples, which may result into a…

Computer Vision and Pattern Recognition · Computer Science 2021-12-30 Renhao Sun

Data selection is designed to accelerate learning with preserved performance. To achieve this, a fundamental thought is to identify informative data samples with significant contributions to the training. In this work, we propose…

Machine Learning · Computer Science 2025-09-30 Ziheng Cheng , Zhong Li , Jiang Bian

The Entity Set Expansion (ESE) task aims to expand a handful of seed entities with new entities belonging to the same semantic class. Conventional ESE methods are based on mono-modality (i.e., literal modality), which struggle to deal with…

Computation and Language · Computer Science 2023-07-28 Yangning Li , Tingwei Lu , Yinghui Li , Tianyu Yu , Shulin Huang , Hai-Tao Zheng , Rui Zhang , Jun Yuan