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The emergence of location-based social networks provides an unprecedented chance to study the interaction between human mobility and social relations. This work is a step towards quantifying whether a location is suitable for conducting…

Social and Information Networks · Computer Science 2017-09-05 Jun Pang , Yang Zhang

Understanding individual mobility behavior is critical for modeling urban transportation. It provides deeper insights on the generative mechanisms of human movements. Emerging data sources such as mobile phone call detail records, social…

Social and Information Networks · Computer Science 2020-10-21 Jiechao Zhang , Samiul Hasan , Xuedong Yan , Xiaobing Liu

The identification of urban mobility patterns is very important for predicting and controlling spatial events. In this study, we analyzed millions of geographical check-ins crawled from a leading Chinese location-based social networking…

Physics and Society · Physics 2017-01-03 Zimo Yang , Defu Lian , Nicholas Jing Yuan , Xing Xie , Yong Rui , Tao Zhou

Online to offline recommendation strongly correlates with the user and service's spatiotemporal information, therefore calling for a higher degree of model personalization. The traditional methodology is based on a uniform model structure…

Information Retrieval · Computer Science 2023-12-29 Luo Ji , Jiayu Mao , Hailong Shi , Qian Li , Yunfei Chu , Hongxia Yang

We analyze two large datasets from technological networks with location and social data: user location records from an online location-based social networking service, and anonymized telecommunications data from a European cellphone…

Social and Information Networks · Computer Science 2015-06-22 Chloë Brown , Neal Lathia , Anastasios Noulas , Cecilia Mascolo , Vincent Blondel

In this work, we present a method for landmark retrieval that utilizes global and local features. A Siamese network is used for global feature extraction and metric learning, which gives an initial ranking of the landmark search. We utilize…

Information Retrieval · Computer Science 2022-08-09 Tianyi Hu , Monika Kwiatkowski , Simon Matern , Olaf Hellwich

With the increasing popularity of GPS-enabled hand-held devices, location-based applications and services have access to accurate and real-time location information, raising serious privacy concerns for their millions of users. Trying to…

Cryptography and Security · Computer Science 2014-06-17 Konstantinos Chatzikokolakis , Catuscia Palamidessi , Marco Stronati

Twitter is often used in quantitative studies that identify geographically-preferred topics, writing styles, and entities. These studies rely on either GPS coordinates attached to individual messages, or on the user-supplied location field…

Computation and Language · Computer Science 2015-08-25 Umashanthi Pavalanathan , Jacob Eisenstein

Recommendation systems are widely used by different user service providers specially those who have interactions with the large community of users. This paper introduces a recommender system based on community detection. The recommendation…

Information Retrieval · Computer Science 2018-12-27 Maliheh Goliforoushani , Radin Hamidi Rad , Maryam Amir Haeri

In this paper, we address the problem of landmark-based visual place recognition. In the state-of-the-art method, accurate object proposal algorithms are first leveraged for generating a set of local regions containing particular landmarks…

Robotics · Computer Science 2018-08-24 Bo Yang , Jun Li , Xiaosu Xu , Hong Zhang

User mobility prediction is widely considered to be helpful for various sorts of location based services on mobile devices. A large amount of studies have explored different algorithms to predict where a user will visit in the future based…

Social and Information Networks · Computer Science 2019-01-30 Huoran Li

Social media users share billions of items per year, only a small fraction of which is geotagged. We present a data- driven approach for identifying non-geotagged content items that can be associated with a hyper-local geographic area by…

Information Retrieval · Computer Science 2015-02-03 David Flatow , Mor Naaman , Ke Eddie Xie , Yana Volkovich , Yaron Kanza

When users search for the routes between two places using map based services, these services compute and provide the top candidate routes based on shortest geometric distances or ideal time consuming. However, other real factors like…

Human-Computer Interaction · Computer Science 2014-04-04 Jiyi Li

We demonstrate how language can improve geolocation: the task of predicting the location where an image was taken. Here we study explicit knowledge from human-written guidebooks that describe the salient and class-discriminative visual…

Computer Vision and Pattern Recognition · Computer Science 2022-11-29 Grace Luo , Giscard Biamby , Trevor Darrell , Daniel Fried , Anna Rohrbach

Collaborative filtering is a very useful general technique for exploiting the preference patterns of a group of users to predict the utility of items to a particular user. Previous research has studied several probabilistic graphic models…

Information Retrieval · Computer Science 2012-12-12 Rong Jin , Luo Si , ChengXiang Zhai

Similar product recommendation is one of the most common scenes in e-commerce. Many recommendation algorithms such as item-to-item Collaborative Filtering are working on measuring item similarities. In this paper, we introduce our real-time…

Information Retrieval · Computer Science 2020-04-14 Zhi Liu , Yan Huang , Jing Gao , Li Chen , Dong Li

A location histogram is comprised of the number of times a user has visited locations as they move in an area of interest, and it is often obtained from the user in applications such as recommendation and advertising. However, a location…

Cryptography and Security · Computer Science 2019-12-03 Grigorios Loukides , George Theodorakopoulos

Predicting the next location is a highly valuable and common need in many location-based services such as destination prediction and route planning. The goal of next location recommendation is to predict the next point-of-interest a user…

Information Retrieval · Computer Science 2023-03-23 Yan Luo , Ye Liu , Fu-lai Chung , Yu Liu , Chang Wen Chen

A vast amount of location information exists in unstructured texts, such as social media posts, news stories, scientific articles, web pages, travel blogs, and historical archives. Geoparsing refers to the process of recognizing location…

Computation and Language · Computer Science 2022-07-06 Xuke Hu , Zhiyong Zhou , Hao Li , Yingjie Hu , Fuqiang Gu , Jens Kersten , Hongchao Fan , Friederike Klan

On the internet, web surfers, in the search of information, always strive for recommendations. The solutions for generating recommendations become more difficult because of exponential increase in information domain day by day. In this…

Information Retrieval · Computer Science 2012-01-23 Harita Mehta , Shveta Kundra Bhatia , Punam Bedi , V. S. Dixit
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