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In neuroscience, attention has been shown to bidirectionally interact with reinforcement learning (RL) processes. This interaction is thought to support dimensionality reduction of task representations, restricting computations to relevant…

人工智能 · 计算机科学 2020-07-14 Lennart Bramlage , Aurelio Cortese

The performance of relation extraction models has increased considerably with the rise of neural networks. However, a key issue of neural relation extraction is robustness: the models do not scale well to long sentences with multiple…

计算与语言 · 计算机科学 2021-04-23 Heike Adel , Jannik Strötgen

For stability and reliability of real-world applications, the robustness of DNNs in unimodal tasks has been evaluated. However, few studies consider abnormal situations that a visual question answering (VQA) model might encounter at test…

计算机视觉与模式识别 · 计算机科学 2022-04-12 Doyup Lee , Yeongjae Cheon , Wook-Shin Han

Decision making in crucial applications such as lending, hiring, and college admissions has witnessed increasing use of algorithmic models and techniques as a result of a confluence of factors such as ubiquitous connectivity, ability to…

人工智能 · 计算机科学 2020-09-08 G Roshan Lal , Sahin Cem Geyik , Krishnaram Kenthapadi

Graph-structured data arise naturally in many different application domains. By representing data as graphs, we can capture entities (i.e., nodes) as well as their relationships (i.e., edges) with each other. Many useful insights can be…

人工智能 · 计算机科学 2018-07-24 John Boaz Lee , Ryan A. Rossi , Sungchul Kim , Nesreen K. Ahmed , Eunyee Koh

Major search engines deploy personalized Web results to enhance users' experience, by showing them data supposed to be relevant to their interests. Even if this process may bring benefits to users while browsing, it also raises concerns on…

信息检索 · 计算机科学 2015-08-18 Van Tien Hoang , Angelo Spognardi , Francesco Tiezzi , Marinella Petrocchi , Rocco De Nicola

Many recent deep learning-based solutions have widely adopted the attention-based mechanism in various tasks of the NLP discipline. However, the inherent characteristics of deep learning models and the flexibility of the attention mechanism…

计算与语言 · 计算机科学 2023-10-09 Dairui Liu , Derek Greene , Ruihai Dong

The key to a Transformer model is the self-attention mechanism, which allows the model to analyze an entire sequence in a computationally efficient manner. Recent work has suggested the possibility that general attention mechanisms used by…

机器学习 · 计算机科学 2020-01-01 Thomas Dowdell , Hongyu Zhang

The attention mechanism has become a cornerstone of modern deep learning architectures, where keys and values are typically derived from the same underlying sequence or representation. This work explores a less conventional scenario, when…

机器学习 · 计算机科学 2025-10-01 Bissmella Bahaduri , Hicham Talaoubrid , Fangchen Feng , Zuheng Ming , Anissa Mokraoui

Recommender systems are crucial for personalizing user experiences but often depend on implicit feedback data, which can be noisy and misleading. Existing denoising studies involve incorporating auxiliary information or learning strategies…

信息检索 · 计算机科学 2025-02-14 Shuyao Wang , Zhi Zheng , Yongduo Sui , Hui Xiong

A speaker naming task, which finds and identifies the active speaker in a certain movie or drama scene, is crucial for dealing with high-level video analysis applications such as automatic subtitle labeling and video summarization. Modern…

多媒体 · 计算机科学 2019-12-03 Jungwoo Pyo , Joohyun Lee , Youngjune Park , Tien-Cuong Bui , Sang Kyun Cha

Product search is an important way for people to browse and purchase items on E-commerce platforms. While customers tend to make choices based on their personal tastes and preferences, analysis of commercial product search logs has shown…

信息检索 · 计算机科学 2020-05-19 Keping Bi , Qingyao Ai , W. Bruce Croft

In this work, we present the first general logic of attention. Attention is a powerful cognitive ability that allows agents to focus on potentially complex information, such as logically structured propositions, higher-order beliefs, or…

人工智能 · 计算机科学 2025-05-21 Gaia Belardinelli , Thomas Bolander , Sebastian Watzl

With the development of deep learning, medical image processing has been widely used to assist clinical research. This paper focuses on the denoising problem of low-dose computed tomography using deep learning. Although low-dose computed…

图像与视频处理 · 电气工程与系统科学 2026-05-19 Zhilin Guan , Wei Zhang

Click-through data has proven to be a valuable resource for improving search-ranking quality. Search engines can easily collect click data, but biases introduced in the data can make it difficult to use the data effectively. In order to…

机器学习 · 计算机科学 2020-02-13 Yingcheng Sun , Richard Kolacinski , Kenneth Loparo

Traditional machine-learned ranking systems for web search are often trained to capture stationary relevance of documents to queries, which has limited ability to track non-stationary user intention in a timely manner. In recency search,…

信息检索 · 计算机科学 2011-03-22 Taesup Moon , Wei Chu , Lihong Li , Zhaohui Zheng , Yi Chang

The widespread use of Artificial Intelligence (AI) in consequential domains, such as healthcare and parole decision-making systems, has drawn intense scrutiny on the fairness of these methods. However, ensuring fairness is often…

人工智能 · 计算机科学 2021-09-10 Ninareh Mehrabi , Umang Gupta , Fred Morstatter , Greg Ver Steeg , Aram Galstyan

Recently, modeling temporal patterns of user-item interactions have attracted much attention in recommender systems. We argue that existing methods ignore the variety of temporal patterns of user behaviors. We define the subset of user…

信息检索 · 计算机科学 2024-02-06 Sicong Xie , Qunwei Li , Weidi Xu , Kaiming Shen , Shaohu Chen , Wenliang Zhong

Relation classification, a crucial component of relation extraction, involves identifying connections between two entities. Previous studies have predominantly focused on integrating the attention mechanism into relation classification at a…

计算与语言 · 计算机科学 2024-07-02 Yiping Sun

Transformers based on the attention mechanism have achieved impressive success in various areas. However, the attention mechanism has a quadratic complexity, significantly impeding Transformers from dealing with numerous tokens and scaling…

机器学习 · 计算机科学 2022-06-17 Haixu Wu , Jialong Wu , Jiehui Xu , Jianmin Wang , Mingsheng Long