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The next point-of-interest (POI) prediction is a significant task in location-based services, yet its complexity arises from the consolidation of spatial and semantic intent. This fusion is subject to the influences of historical…

信息检索 · 计算机科学 2024-04-09 Nan Jiang , Haitao Yuan , Jianing Si , Minxiao Chen , Shangguang Wang

The recommendation of points of interest (POIs) is essential in location-based social networks. It makes it easier for users and locations to share information. Recently, researchers tend to recommend POIs by treating them as large-scale…

信息检索 · 计算机科学 2022-02-18 Syed Raza Bashir , Vojislav Misic

POI representation learning plays a crucial role in handling tasks related to user mobility data. Recent studies have shown that enriching POI representations with multimodal information can significantly enhance their task performance.…

人工智能 · 计算机科学 2025-03-05 Jiawei Cheng , Jingyuan Wang , Yichuan Zhang , Jiahao Ji , Yuanshao Zhu , Zhibo Zhang , Xiangyu Zhao

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…

信息检索 · 计算机科学 2026-05-06 Dong Chen , Shuai Zheng , Haoyang Shao , Hongsheng Wu , Muhao Xu , Yeyu Yan , Ruifang Li , Zhenfeng Zhu

Human travel trajectory mining is crucial for transportation systems, enhancing route optimization, traffic management, and the study of human travel patterns. Previous rule-based approaches without the integration of semantic information…

人工智能 · 计算机科学 2024-08-21 Yifan Liu , Chenchen Kuai , Haoxuan Ma , Xishun Liao , Brian Yueshuai He , Jiaqi Ma

Tables on the Web contain a vast amount of knowledge in a structured form. To tap into this valuable resource, we address the problem of table retrieval: answering an information need with a ranked list of tables. We investigate this…

信息检索 · 计算机科学 2021-05-14 Shuo Zhang , Krisztian Balog

Point-of-Interest (POI) recommendation is one of the most important location-based services helping people discover interesting venues or services. However, the extreme user-POI matrix sparsity and the varying spatio-temporal context pose…

机器学习 · 计算机科学 2020-09-02 Xianjing Wang , Flora D. Salim , Yongli Ren , Piotr Koniusz

The relevance between a query and a document in search can be represented as matching degree between the two objects. Latent space models have been proven to be effective for the task, which are often trained with click-through data. One…

信息检索 · 计算机科学 2016-04-22 Shuxin Wang , Xin Jiang , Hang Li , Jun Xu , Bin Wang

Location-based Social Networks (LBSNs) enable users to socialize with friends and acquaintances by sharing their check-ins, opinions, photos, and reviews. Huge volume of data generated from LBSNs opens up a new avenue of research that gives…

We introduce and address the problem of ad hoc table retrieval: answering a keyword query with a ranked list of tables. This task is not only interesting on its own account, but is also being used as a core component in many other…

信息检索 · 计算机科学 2018-03-09 Shuo Zhang , Krisztian Balog

Advancing large language models (LLMs) for the next point-of-interest (POI) recommendation task faces two fundamental challenges: (i) although existing methods produce semantic IDs that incorporate semantic information, their topology-blind…

信息检索 · 计算机科学 2026-03-13 Peibo Li , Shuang Ao , Hao Xue , Yang Song , Maarten de Rijke , Johan Barthélemy , Tomasz Bednarz , Flora D. Salim

Users issue queries to Search Engines, and try to find the desired information in the results produced. They repeat this process if their information need is not met at the first place. It is crucial to identify the important words in a…

信息检索 · 计算机科学 2020-01-06 Kishaloy Halder , Heng-Tze Cheng , Ellie Ka In Chio , Georgios Roumpos , Tao Wu , Ritesh Agarwal

Point-of-interest (POI) recommendation systems aim to predict the next destinations of user based on their preferences and historical check-ins. Existing generative POI recommendation methods usually employ random numeric IDs for POIs,…

信息检索 · 计算机科学 2025-06-19 Dongsheng Wang , Yuxi Huang , Shen Gao , Yifan Wang , Chengrui Huang , Shuo Shang

The majority of Semantic Web search engines retrieve information by focusing on the use of concepts and relations restricted to the query provided by the user. By trying to guess the implicit meaning between these concepts and relations,…

信息检索 · 计算机科学 2012-11-28 Manuel Rojas

Providing timely accessibility reminders of a point-of-interest (POI) plays a vital role in improving user satisfaction of finding places and making visiting decisions. However, it is difficult to keep the POI database in sync with the…

计算与语言 · 计算机科学 2021-08-23 Yibo Sun , Jizhou Huang , Chunyuan Yuan , Miao Fan , Haifeng Wang , Ming Liu , Bing Qin

Effective human-machine collaboration can significantly improve many learning and planning strategies for information gathering via fusion of 'hard' and 'soft' data originating from machine and human sensors, respectively. However,…

人机交互 · 计算机科学 2015-12-24 Kin Gwn Lore , Nicholas Sweet , Kundan Kumar , Nisar Ahmed , Soumik Sarkar

The human ability to flexibly reason using analogies with domain-general content depends on mechanisms for identifying relations between concepts, and for mapping concepts and their relations across analogs. Building on a recent model of…

人工智能 · 计算机科学 2021-10-06 Hongjing Lu , Nicholas Ichien , Keith J. Holyoak

Semi-structured query systems for document-oriented databases have many real applications. One particular application that we are interested in is matching each financial receipt image with its corresponding place of interest (POI, e.g.,…

信息检索 · 计算机科学 2022-03-01 Geewook Kim , Wonseok Hwang , Minjoon Seo , Seunghyun Park

Point-of-Interest (POI) recommender systems play a vital role in people's lives by recommending unexplored POIs to users and have drawn extensive attention from both academia and industry. Despite their value, however, they still suffer…

信息检索 · 计算机科学 2019-05-31 Xiao Zhou , Cecilia Mascolo , Zhongxiang Zhao
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