{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,2,8]],"date-time":"2026-02-08T04:51:13Z","timestamp":1770526273123,"version":"3.49.0"},"reference-count":58,"publisher":"Association for Computing Machinery (ACM)","issue":"4","license":[{"start":{"date-parts":[[2020,8,25]],"date-time":"2020-08-25T00:00:00Z","timestamp":1598313600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/www.acm.org\/publications\/policies\/copyright_policy#Background"}],"content-domain":{"domain":["dl.acm.org"],"crossmark-restriction":true},"short-container-title":["ACM Trans. Web"],"published-print":{"date-parts":[[2020,11,30]]},"abstract":"<jats:p>\n            Recommender system is a popular tool that aims to provide personalized suggestions to user about items, products, services, and so on. Recommender system has effectively been used in online social networks, especially the location-based social networks for providing suggestions for interesting places known as POIs (points-of-interest). Popular recommender systems explore historical data to learn users\u2019 preferences and, subsequently, they recommend locations to an active user. This strategy faces a major problem when a new POI or business evolves in a city. New business has no historical user experience data. Thus, a recommender system fails to gather enough knowledge about the new businesses, resulting in ignoring them during recommendations. This scenario is popularly known as a cold-start POI problem. Users never get recommendations of the new businesses in a city even though they can be relevant to a user. Also, from a business owner\u2019s perspective, such a recommendation strategy does not help its reachability among users. Therefore, it is important for a recommender system to remain updated with new businesses in a city and ensure that all relevant POIs are recommended to a user irrespective of their lifetime. A POI recommendation approach is proposed in this work that can effectively handle the new businesses, or the cold-start POI problem, in a city. We crowdsource descriptions of cold-start POIs from various online social networks. The reviews of users are exploited here to learn the inherent features at the existing POIs and the new crowdsourced POIs. Finally, the proposed approach recommends top-\n            <jats:italic>K<\/jats:italic>\n            POIs consisting of the existing and new POIs. We perform experiments on the real-world Yelp dataset, which is one of the largest available data resources containing details on a wide range of businesses, users, and reviews. The proposed approach is compared with four existing POI recommendation approaches. The obtained results show that our approach outperforms others in handling cold-start POIs.\n          <\/jats:p>","DOI":"10.1145\/3407182","type":"journal-article","created":{"date-parts":[[2020,8,26]],"date-time":"2020-08-26T04:13:48Z","timestamp":1598415228000},"page":"1-36","update-policy":"https:\/\/doi.org\/10.1145\/crossmark-policy","source":"Crossref","is-referenced-by-count":24,"title":["Cold-start Point-of-interest Recommendation through Crowdsourcing"],"prefix":"10.1145","volume":"14","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-0999-3689","authenticated-orcid":false,"given":"Pramit","family":"Mazumdar","sequence":"first","affiliation":[{"name":"Universit\u00e0 degli Studi Roma TRE, Rome, Italy"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3012-4285","authenticated-orcid":false,"given":"Bidyut Kr.","family":"Patra","sequence":"additional","affiliation":[{"name":"National Institute of Technology Rourkela, Odisha, India"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-5963-5735","authenticated-orcid":false,"given":"Korra Sathya","family":"Babu","sequence":"additional","affiliation":[{"name":"National Institute of Technology Rourkela, Odisha, India"}]}],"member":"320","published-online":{"date-parts":[[2020,8,25]]},"reference":[{"key":"e_1_2_1_1_1","volume-title":"Proceedings of the 1st International Workshop on Interactions between Data Mining and Natural Language Processing at ECML\/PKDD. 1--16","author":"Bancken Wouter","year":"2014"},{"key":"e_1_2_1_2_1","doi-asserted-by":"publisher","DOI":"10.1145\/1989656.1989660"},{"key":"e_1_2_1_3_1","doi-asserted-by":"publisher","DOI":"10.1016\/0098-3004(84)90020-7"},{"key":"e_1_2_1_4_1","doi-asserted-by":"publisher","DOI":"10.5555\/2976456.2976481"},{"key":"e_1_2_1_5_1","doi-asserted-by":"publisher","DOI":"10.1145\/1921591.1921593"},{"key":"e_1_2_1_6_1","volume-title":"Proceedings of the 18th International Conference on World Wide Web. 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