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Point-Of-Interest (POI) recommendation aims to mine a user's visiting history and find her/his potentially preferred places. Although location recommendation methods have been studied and improved pervasively, the challenges w.r.t employing…

Computers and Society · Computer Science 2017-01-04 Saeid Hosseini , Hongzhi Yin , Xiaofang Zhou , Shazia Sadiq

Can machine learning models for recommendation be easily fooled? While the question has been answered for hand-engineered fake user profiles, it has not been explored for machine learned adversarial attacks. This paper attempts to close…

Information Retrieval · Computer Science 2018-09-25 Konstantina Christakopoulou , Arindam Banerjee

This work addresses a route planning problem constrained by a bus road network that includes the schedules of all buses. Given a query with a starting bus stop and a set of Points of Interest (POIs) to visit, our goal is to find an optimal…

Databases · Computer Science 2025-12-30 Simu Liu , Kailin Jiao , Junping Du , Yawen Li , Zhe Xue , Xiaoyang Sean Wang , Ziqiang Yu , Yunchuan Shi

Agentic AI represents a paradigm shift in enhancing the capabilities of generative AI models. While these systems demonstrate immense potential and power, current evaluation techniques primarily focus on assessing their efficacy in…

Artificial Intelligence · Computer Science 2025-09-30 Hassen Dhrif

The inverse mapping of GANs'(Generative Adversarial Nets) generator has a great potential value.Hence, some works have been developed to construct the inverse function of generator by directly learning or adversarial learning.While the…

Machine Learning · Computer Science 2017-09-13 Junyu Luo , Yong Xu , Chenwei Tang , Jiancheng Lv

Reliable and efficient trajectory optimization methods are a fundamental need for autonomous dynamical systems, effectively enabling applications including rocket landing, hypersonic reentry, spacecraft rendezvous, and docking. Within such…

Robotics · Computer Science 2024-01-09 Tommaso Guffanti , Daniele Gammelli , Simone D'Amico , Marco Pavone

Anomaly detection plays a critical role in Autonomous Vehicles (AVs) by identifying unusual behaviors through perception systems that could compromise safety and lead to hazardous situations. Current approaches, which often rely on…

Artificial Intelligence · Computer Science 2025-07-08 Ashish Bastola , Mert D. Pesé , Long Cheng , Jonathon Smereka , Abolfazl Razi

Despite the success of deep learning-based algorithms, it is widely known that neural networks may fail to be robust. A popular paradigm to enforce robustness is adversarial training (AT), however, this introduces many computational and…

Machine Learning · Computer Science 2024-01-18 Nicolas Garcia Trillos , Matt Jacobs , Jakwang Kim , Matthew Werenski

The interaction data used by recommender systems (RSs) inevitably include noises resulting from mistaken or exploratory clicks, especially under implicit feedbacks. Without proper denoising, RS models cannot effectively capture users'…

Information Retrieval · Computer Science 2022-04-20 Yanchao Tan , Carl Yang Member , Xiangyu Wei , Ziyue Wu , Xiaolin Zheng

While leveraging additional training data is well established to improve adversarial robustness, it incurs the unavoidable cost of data collection and the heavy computation to train models. To mitigate the costs, we propose Guided…

Computer Vision and Pattern Recognition · Computer Science 2023-05-26 Salah Ghamizi , Jingfeng Zhang , Maxime Cordy , Mike Papadakis , Masashi Sugiyama , Yves Le Traon

The design of better automated dialogue evaluation metrics offers the potential of accelerate evaluation research on conversational AI. However, existing trainable dialogue evaluation models are generally restricted to classifiers trained…

Computation and Language · Computer Science 2021-04-19 Xiang Gao , Yizhe Zhang , Michel Galley , Bill Dolan

We propose a new active learning by query synthesis approach using Generative Adversarial Networks (GAN). Different from regular active learning, the resulting algorithm adaptively synthesizes training instances for querying to increase…

Machine Learning · Computer Science 2017-11-17 Jia-Jie Zhu , José Bento

As global tourism expands and artificial intelligence technology advances, intelligent travel planning services have emerged as a significant research focus. Within dynamic real-world travel scenarios with multi-dimensional constraints,…

Artificial Intelligence · Computer Science 2024-09-13 Aili Chen , Xuyang Ge , Ziquan Fu , Yanghua Xiao , Jiangjie Chen

Accurately predicting pedestrian trajectories is crucial in applications such as autonomous driving or service robotics, to name a few. Deep generative models achieve top performance in this task, assuming enough labelled trajectories are…

Computer Vision and Pattern Recognition · Computer Science 2025-05-28 Mirko Zaffaroni , Federico Signoretta , Marco Grangetto , Attilio Fiandrotti

In many recommendations, a handful of popular items (e.g., movies / television shows, news, etc.) can be dominant in recommendations for many users. However, we know that in a large catalog of items, users are likely interested in more than…

Information Retrieval · Computer Science 2024-07-30 Qiuling Xu , Pannaga Shivaswamy , Xiangyu Zhang

The task of next POI recommendation has been studied extensively in recent years. However, developing an unified recommendation framework to incorporate multiple factors associated with both POIs and users remains challenging, because of…

Information Retrieval · Computer Science 2019-04-22 Zhiqian Zhang , Chenliang Li , Zhiyong Wu , Aixin Sun , Dengpan Ye , Xiangyang Luo

To explore the robustness of recommender systems, researchers have proposed various shilling attack models and analyzed their adverse effects. Primitive attacks are highly feasible but less effective due to simplistic handcrafted rules,…

Machine Learning · Computer Science 2021-07-23 Fan Wu , Min Gao , Junliang Yu , Zongwei Wang , Kecheng Liu , Xu Wange

Next point-of-interest (POI) recommendation requires modeling user mobility as a spatiotemporal sequence, where different behavioral factors may evolve at different temporal and spatial scales. Most existing methods compress a user's…

Information Retrieval · Computer Science 2026-04-24 Zhenyu Yu , Chunlei Meng , Yangchen Zeng , Mohd Yamani Idna Idris , Shuigeng Zhou

During route discovery of mobile ad hoc network, broadcasting of route request and route reply packets are the essential operations for finding the path between two ends. In such situations, intermediate node which may or may not belongs…

Networking and Internet Architecture · Computer Science 2015-04-20 Manjunath M , Manjaiah D. H

We introduce and study the problem in which a mobile sensing robot (our tourist) is tasked to travel among and gather intelligence at a set of spatially distributed point-of-interests (POIs). The quality of the information collected at each…

Robotics · Computer Science 2014-10-10 Jingjin Yu , Javed Aslam , Sertac Karaman , Daniela Rus