Proceedings of the 38th International ACM SIGIR Conference on Research and Development in Information Retrieval 2015
DOI: 10.1145/2766462.2767711
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GeoSoCa

Abstract: Recommending users with their preferred points-of-interest (POIs), e.g., museums and restaurants, has become an important feature for location-based social networks (LBSNs), which benefits people to explore new places and businesses to discover potential customers. However, because users only check in a few POIs in an LBSN, the user-POI checkin interaction is highly sparse, which renders a big challenge for POI recommendations. To tackle this challenge, in this study we propose a new POI recommendation approac… Show more

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Cited by 240 publications
(30 citation statements)
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“…GeoSoCa (Zhang & Chow, ) and Item‐based Collaborative Filtering (CF) (Sarwar, Karypis, Konstan, & Riedl, ) are implemented as baselines in our experiments.…”
Section: Resultsmentioning
confidence: 99%
“…GeoSoCa (Zhang & Chow, ) and Item‐based Collaborative Filtering (CF) (Sarwar, Karypis, Konstan, & Riedl, ) are implemented as baselines in our experiments.…”
Section: Resultsmentioning
confidence: 99%
“…For example, in reality, a person usually visits a POI, e.g., museums, and then travel to its nearby POIs, e.g., restaurants and stores. In [54], they consider the geographical correlations between POIs and make the assumption that the nearby POIs have the stronger geographic associations than the POIs that are far from them.…”
Section: 21mentioning
confidence: 99%
“…GeoSoCa [54] is another work that takes the social influence into consideration and generates the highest precision ratio when recommending new locations to user u i (locations have never been visited by user u i ). First, in GeoSoCa, they propose a kernel estimation method with an adaptive bandwidth to determine a personalized check-in distribution of POIs for each user that naturally models the geographical correlations between POIs.…”
Section: 25mentioning
confidence: 99%
“…A recent survey can be found in [4]. State of the art models like Fused Matrix Factorization Framework with the Multi-center Gaussian Model (FMFMGM) [7] and GeoSoCa [27] exploit geographical and social information of users. e idea of including the location preferences in the collaborative ltering learning is presented in GeoMF [15].…”
Section: Background and Prior Workmentioning
confidence: 99%
“…As mentioned in [4] and [27], Kernel Density Estimation (KDE) is used in several LBSNs recommender systems. KDE is calculated using the equation…”
Section: Kernel Density Estimationmentioning
confidence: 99%