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In this research, we aim at addressing the cold-start situation by adapting an unsupervised neural User2Vec method to represent new users and articles in a multidimensional space. Toward this goal, we propose an extension of the Doc2Vec model that is capable of representing users with unknown history by building embeddings of their metadata labels along with item representations. We evaluate our proposed approach with respect to different parameter configurations on three real-world recommendation datasets with different characteristics. Our results show that this approach may be applied as an efficient alternative to the factorization machine-based method when the user and item metadata are used and hence can be applied in the cold-start scenario for both new users and new items. Additionally, as our solution represents the user and item labels in the same vector space, we can analyze the spatial relations among these labels to reveal latent interest features of the audience groups as well as possible data biases and disparities.<\/jats:p>","DOI":"10.1007\/s11257-020-09282-4","type":"journal-article","created":{"date-parts":[[2020,10,20]],"date-time":"2020-10-20T08:04:01Z","timestamp":1603181041000},"page":"261-286","update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":20,"title":["Meta-User2Vec model for addressing the user and item cold-start problem in recommender systems"],"prefix":"10.1007","volume":"31","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-2959-4004","authenticated-orcid":false,"given":"Joanna","family":"Misztal-Radecka","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-3798-9209","authenticated-orcid":false,"given":"Bipin","family":"Indurkhya","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6684-0748","authenticated-orcid":false,"given":"Aleksander","family":"Smywi\u0144ski-Pohl","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2020,10,20]]},"reference":[{"issue":"2","key":"9282_CR1","first-page":"203","volume":"21","author":"A Alekseev","year":"2017","unstructured":"Alekseev, A., Nikolenko, S.: Word embeddings for user profiling in online social networks. 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