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Identifying a preferable route is an important problem that finds applications in map services. When a user plans a trip within a city, the user may want to find "a most popular route such that it passes by shopping mall, restaurant, and…

Databases · Computer Science 2015-03-20 Xin Cao , Lisi Chen , Gao Cong , Xiaokui Xiao

Knowledge discovery from GPS trajectory data is an important topic in several scientific areas, including data mining, human behavior analysis, and user modeling. This paper proposes a task that assigns personalized visited-POIs. Its goal…

Computers and Society · Computer Science 2019-12-04 Jun Suzuki , Yoshihiko Suhara , Hiroyuki Toda , Kyosuke Nishida

Trip recommendation has emerged as a highly sought-after service over the past decade. Although current studies significantly understand human intention consistency, they struggle with undesired repetitive outcomes that need resolution. We…

Information Retrieval · Computer Science 2025-07-29 Wenzheng Shu , Kangqi Xu , Wenxin Tai , Ting Zhong , Yong Wang , Fan Zhou

In this paper, a novel transport planning model system (TPMS) is formulated which is built on the concepts of supernetworks, multi-modality, integrity and calibration. In the proposed formulation, activity travel pattern (ATP) choice facets…

Physics and Society · Physics 2019-07-24 Ali Najmi , David Rey , Taha H. Rashidi , S. Travis Waller

Point-of-Interest (POI) recommendation is an important task in location-based social networks. It facilitates the relation modeling between users and locations. Recently, researchers recommend POIs by long- and short-term interests and…

Information Retrieval · Computer Science 2021-09-17 Qiang Cui , Chenrui Zhang , Yafeng Zhang , Jinpeng Wang , Mingchen Cai

Given different types of constraints on human life, people must make decisions that satisfy social activity needs. Minimizing costs (i.e., distance, time, or money) associated with travel plays an important role in perceived and realized…

Artificial Intelligence · Computer Science 2018-12-11 Shaohua Wang , Song Gao , Xin Feng , Alan T. Murray , Yuan Zeng

Public transit passengers need guidance during service disruptions. This study proposes an individual-based path (IPR) recommendation model. The model decides which paths to recommend for each passenger with the objective of minimizing…

Optimization and Control · Mathematics 2025-07-08 Baichuan Mo , Haris N. Koutsopoulos , Zuo-Jun Max Shen , Jinhua Zhao

The generalized traveling salesman problem (GTSP) is an extension of the well-known traveling salesman problem. In GTSP, we are given a partition of cities into groups and we are required to find a minimum length tour that includes exactly…

Data Structures and Algorithms · Computer Science 2010-03-30 Gregory Gutin , Daniel Karapetyan

Missions for autonomous systems often require agents to visit multiple targets in complex operating conditions. This work considers the problem of visiting a set of targets in minimum time by a team of non-communicating agents in a Markov…

Optimization and Control · Mathematics 2023-06-21 Farhad Nawaz , Melkior Ornik

Existing spatial object recommendation algorithms generally treat objects identically when ranking them. However, spatial objects often cover different levels of spatial granularity and thereby are heterogeneous. For example, one user may…

Information Retrieval · Computer Science 2021-01-11 Hui Luo , Jingbo Zhou , Zhifeng Bao , Shuangli Li , J. Shane Culpepper , Haochao Ying , Hao Liu , Hui Xiong

This paper presents a hybrid online Partially Observable Markov Decision Process (POMDP) planning system that addresses the problem of autonomous navigation in the presence of multi-modal uncertainty introduced by other agents in the…

Robotics · Computer Science 2022-06-22 Himanshu Gupta , Bradley Hayes , Zachary Sunberg

In recent years, there has been a growing interest in travel applications that provide on-site personalized tourist spot recommendations. While generally helpful, most available options offer choices based solely on static information on…

Data Structures and Algorithms · Computer Science 2020-09-24 S. Isoda , M. Hidaka , Y. Matsuda , H. Suwa , K. Yasumoto

Facility location problems aim to identify the best locations to set up new services. Majority of the existing works typically assume that the users are static. However, there exists a wide array of services such as fuel stations, ATMs,…

Databases · Computer Science 2019-08-05 Shubhadip Mitra , Priya Saraf , Arnab Bhattacharya

Point-of-Interest (POI) retrieval aims to identify relevant candidates from massive-scale POI databases, serving as a cornerstone for diverse location-based services. However, in general map search scenarios, conventional POI retrieval…

Information Retrieval · Computer Science 2026-05-06 Dong Chen , Shuai Zheng , Haoyang Shao , Hongsheng Wu , Muhao Xu , Yeyu Yan , Ruifang Li , Zhenfeng Zhu

Trip planning for intelligent vehicles increasingly requires selecting optimal routes rather than merely producing feasible itineraries, as interacting factors such as travel time, energy consumption, and traffic conditions directly affect…

Artificial Intelligence · Computer Science 2026-05-04 Tiejin Chen , Ahmadreza Moradipari , Kyungtae Han , Hua Wei , Nejib Ammar

The rapid proliferation of Location-Based Social Networks (LBSNs) has underscored the importance of Point-of-Interest (POI) recommendation systems in enhancing user experiences. While individual POI recommendation methods leverage users'…

Information Retrieval · Computer Science 2025-08-07 Jing Long , Liang Qu , Junliang Yu , Tong Chen , Quoc Viet Hung Nguyen , Hongzhi Yin

Indoor venues accommodate many people who collectively form crowds. Such crowds in turn influence people's routing choices, e.g., people may prefer to avoid crowded rooms when walking from A to B. This paper studies two types of crowd-aware…

Databases · Computer Science 2023-02-28 Tiantian Liu , Huan Li , Hua Lu , Muhammad Aamir Cheema , Lidan Shou

Multi-objective or multi-destination path planning is crucial for mobile robotics applications such as mobility as a service, robotics inspection, and electric vehicle charging for long trips. This work proposes an anytime iterative system…

Robotics · Computer Science 2022-05-31 Jiunn-Kai Huang , Yingwen Tan , Dongmyeong Lee , Vishnu R. Desaraju , Jessy W. Grizzle

We introduce the multimodal car- and ride-sharing problem (MMCRP), in which a pool of cars is used to cover a set of ride requests while uncovered requests are assigned to other modes of transport (MOT). A car's route consists of one or…

Artificial Intelligence · Computer Science 2022-09-29 Miriam Enzi , Sophie N. Parragh , David Pisinger , Matthias Prandtstetter

Geo-social group search aims to find a group of people proximate to a location while socially related. One of the driven applications for geo-social group search is organizing an impromptu activity. This is because the social cohesiveness…

Databases · Computer Science 2019-12-19 Lu Chen , Chengfei Liu , Rui Zhou , Jiajie Xu , Jianxin Li
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