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This paper addresses the standard generalized likelihood ratio test (GLRT) detection problem of weak signals in background noise. In so doing, we consider a nonfluctuating target embedded in complex white Gaussian noise (CWGN), in which the…

Retrieval-augmented generation (RAG) has emerged as a promising solution for mitigating hallucinations of large language models (LLMs) with retrieved external knowledge. Adaptive RAG enhances this approach by enabling dynamic retrieval…

计算与语言 · 计算机科学 2024-10-07 Huanshuo Liu , Hao Zhang , Zhijiang Guo , Jing Wang , Kuicai Dong , Xiangyang Li , Yi Quan Lee , Cong Zhang , Yong Liu

Graph Neural Networks (GNN) have shown remarkable performance in different tasks. However, there are a few studies about GNN on recommender systems. GCN as a type of GNNs can extract high-quality embeddings for different entities in a…

信息检索 · 计算机科学 2022-01-17 Taher Hekmatfar , Saman Haratizadeh , Parsa Razban , Sama Goliaei

Gaussian graphical modeling has been widely used to explore various network structures, such as gene regulatory networks and social networks. We often use a penalized maximum likelihood approach with the $L_1$ penalty for learning a…

统计方法学 · 统计学 2017-06-13 Kei Hirose , Hironori Fujisawa , Jun Sese

Most recommender systems research focuses on binary historical user-item interaction encodings to predict future interactions. User features, item features, and interaction strengths remain largely under-utilized in this space or only…

信息检索 · 计算机科学 2024-09-24 Utkarsh Priyam , Hemit Shah , Edoardo Botta

Multi-model inference covers a wide range of modern statistical applications such as variable selection, model confidence set, model averaging and variable importance. The performance of multi-model inference depends on the availability of…

统计理论 · 数学 2019-06-07 Ching-Wei Cheng , Guang Cheng

User cold-start problem is a long-standing challenge in recommendation systems. Fortunately, cross-domain recommendation (CDR) has emerged as a highly effective remedy for the user cold-start challenge, with recently developed diffusion…

信息检索 · 计算机科学 2026-03-04 Xiaodong Li , Juwei Yue , Xinghua Zhang , Jiawei Sheng , Wenyuan Zhang , Taoyu Su , Zefeng Zhang , Tingwen Liu

Neural combinatorial optimization (NCO) solvers, implemented with graph neural networks (GNNs), have introduced new approaches for solving routing problems. Trained with reinforcement learning (RL), the state-of-the-art graph attention…

机器学习 · 计算机科学 2026-01-30 Licheng Wang , Yuzi Yan , Mingtao Huang , Yuan Shen

As a critical task in video sequence classification within computer vision, Online Action Detection (OAD) has garnered significant attention. The sensitivity of mainstream OAD models to varying video viewpoints often hampers their…

计算机视觉与模式识别 · 计算机科学 2025-10-15 Liping Xie , Yang Tan , Shicheng Jing , Huimin Lu , Kanjian Zhang

Click-through rate (CTR) prediction is one of the most central tasks in online advertising systems. Recent deep learning-based models that exploit feature embedding and high-order data nonlinearity have shown dramatic successes in CTR…

信息检索 · 计算机科学 2021-05-20 Wentao Ouyang , Xiuwu Zhang , Shukui Ren , Li Li , Kun Zhang , Jinmei Luo , Zhaojie Liu , Yanlong Du

Time series classification(TSC) has always been an important and challenging research task. With the wide application of deep learning, more and more researchers use deep learning models to solve TSC problems. Since time series always…

机器学习 · 计算机科学 2021-01-27 Shibo Zhou , Yu Pan

This research presents an innovative and unique way of solving the advertisement prediction problem which is considered as a learning problem over the past several years. Online advertising is a multi-billion-dollar industry and is growing…

信息检索 · 计算机科学 2017-02-15 Muhammad Junaid Effendi , Syed Abbas Ali

The Transformer architecture, underpinned by the self-attention mechanism, has become the de facto standard for sequence modeling tasks. However, its core computational primitive scales quadratically with sequence length (O(N^2)), creating…

计算与语言 · 计算机科学 2025-09-03 Rishiraj Acharya

Thermal infrared (TIR) image has proven effectiveness in providing temperature cues to the RGB features for multispectral pedestrian detection. Most existing methods directly inject the TIR modality into the RGB-based framework or simply…

计算机视觉与模式识别 · 计算机科学 2021-12-07 Xiaoxiao Yang , Yeqian Qiang , Huijie Zhu , Chunxiang Wang , Ming Yang

Session-based recommendation is a challenging problem in the real-world scenes, e.g., ecommerce, short video platforms, and music platforms, which aims to predict the next click action based on the anonymous session. Recently, graph neural…

信息检索 · 计算机科学 2022-03-15 Guanghui Zhu , Haojun Hou , Jingfan Chen , Chunfeng Yuan , Yihua Huang

Proactive caching is an effective way to alleviate peak-hour traffic congestion by prefetching popular contents at the wireless network edge. To maximize the caching efficiency requires the knowledge of content popularity profile, which…

网络与互联网体系结构 · 计算机科学 2018-03-14 Naifu Zhang , Kaibin Zheng , Meixia Tao

The chronological order of user-item interactions can reveal time-evolving and sequential user behaviors in many recommender systems. The items that users will interact with may depend on the items accessed in the past. However, the…

信息检索 · 计算机科学 2019-12-30 Chen Ma , Liheng Ma , Yingxue Zhang , Jianing Sun , Xue Liu , Mark Coates

Lifelong user behavior sequences are crucial for capturing user interests and predicting user responses in modern recommendation systems. A two-stage paradigm is typically adopted to handle these long sequences: a subset of relevant…

信息检索 · 计算机科学 2025-03-27 Ningya Feng , Junwei Pan , Jialong Wu , Baixu Chen , Ximei Wang , Qian Li , Xian Hu , Jie Jiang , Mingsheng Long

Millimeter-wave (mmWave) radar systems, owing to their large bandwidth, provide fine range resolution that enables the observation of multiple scatterers originating from a single automotive target, commonly referred to as an extended…

信号处理 · 电气工程与系统科学 2025-11-21 Vinay Kulkarni , V. V. Reddy

Deep learning models have great potential in medical imaging, including orthodontics and skeletal maturity assessment. However, applying a model to data different from its training set can lead to unreliable predictions that may impact…

图像与视频处理 · 电气工程与系统科学 2025-05-15 Omid Halimi Milani , Amanda Nikho , Lauren Mills , Marouane Tliba , Ahmet Enis Cetin , Mohammed H. Elnagar