{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,29]],"date-time":"2026-07-29T23:14:28Z","timestamp":1785366868952,"version":"3.55.0"},"publisher-location":"New York, NY, USA","reference-count":53,"publisher":"ACM","license":[{"start":{"date-parts":[[2021,9,13]],"date-time":"2021-09-13T00:00:00Z","timestamp":1631491200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/www.acm.org\/publications\/policies\/copyright_policy#Background"}],"funder":[{"name":"Research for Innovation - REFIN","award":["10AC8FB6"],"award-info":[{"award-number":["10AC8FB6"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2021,9,13]]},"DOI":"10.1145\/3460231.3474272","type":"proceedings-article","created":{"date-parts":[[2021,9,13]],"date-time":"2021-09-13T21:45:04Z","timestamp":1631569504000},"page":"187-198","source":"Crossref","is-referenced-by-count":27,"title":["Together is Better: Hybrid Recommendations Combining Graph Embeddings and Contextualized Word Representations"],"prefix":"10.1145","author":[{"given":"Marco","family":"Polignano","sequence":"first","affiliation":[{"name":"University of Bari Aldo Moro, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Cataldo","family":"Musto","sequence":"additional","affiliation":[{"name":"University of Bari, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Marco","family":"de Gemmis","sequence":"additional","affiliation":[{"name":"Dept. of Computer Science University of Bari Aldo Moro, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Pasquale","family":"Lops","sequence":"additional","affiliation":[{"name":"Department of Computer Science University of Bari Aldo Moro, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Giovanni","family":"Semeraro","sequence":"additional","affiliation":[{"name":"Dept. of Computer Science University of Bari ALDO MORO, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"320","published-online":{"date-parts":[[2021,9,13]]},"reference":[{"key":"e_1_3_2_2_1_1","doi-asserted-by":"crossref","unstructured":"Vito\u00a0Walter Anelli Alejandro Bellog\u00edn Antonio Ferrara Daniele Malitesta Felice\u00a0Antonio Merra Claudio Pomo Francesco\u00a0M. Donini and Tommaso\u00a0Di Noia. 2021. Elliot: a Comprehensive and Rigorous Framework for Reproducible Recommender Systems Evaluation. CoRR abs\/2103.02590(2021).  Vito\u00a0Walter Anelli Alejandro Bellog\u00edn Antonio Ferrara Daniele Malitesta Felice\u00a0Antonio Merra Claudio Pomo Francesco\u00a0M. Donini and Tommaso\u00a0Di Noia. 2021. Elliot: a Comprehensive and Rigorous Framework for Reproducible Recommender Systems Evaluation. CoRR abs\/2103.02590(2021).","DOI":"10.1145\/3404835.3463245"},{"key":"e_1_3_2_2_2_1","doi-asserted-by":"publisher","DOI":"10.1007\/978-3-030-30793-6_3"},{"key":"e_1_3_2_2_3_1","doi-asserted-by":"publisher","DOI":"10.1145\/2043932.2043996"},{"key":"e_1_3_2_2_4_1","doi-asserted-by":"crossref","unstructured":"Iz Beltagy Kyle Lo and Arman Cohan. 2019. SciBERT: A pretrained language model for scientific text. arXiv preprint arXiv:1903.10676(2019).  Iz Beltagy Kyle Lo and Arman Cohan. 2019. SciBERT: A pretrained language model for scientific text. arXiv preprint arXiv:1903.10676(2019).","DOI":"10.18653\/v1\/D19-1371"},{"key":"e_1_3_2_2_5_1","volume-title":"Translating embeddings for modeling multi-relational data. Advances in neural information processing systems 26","author":"Bordes Antoine","year":"2013","unstructured":"Antoine Bordes , Nicolas Usunier , Alberto Garcia-Duran , Jason Weston , and Oksana Yakhnenko . 2013. Translating embeddings for modeling multi-relational data. Advances in neural information processing systems 26 ( 2013 ), 2787\u20132795. Antoine Bordes, Nicolas Usunier, Alberto Garcia-Duran, Jason Weston, and Oksana Yakhnenko. 2013. Translating embeddings for modeling multi-relational data. Advances in neural information processing systems 26 (2013), 2787\u20132795."},{"key":"e_1_3_2_2_6_1","volume-title":"Hybrid recommender systems: Survey and experiments. User modeling and user-adapted interaction 12, 4","author":"Burke Robin","year":"2002","unstructured":"Robin Burke . 2002. Hybrid recommender systems: Survey and experiments. User modeling and user-adapted interaction 12, 4 ( 2002 ), 331\u2013370. Robin Burke. 2002. Hybrid recommender systems: Survey and experiments. User modeling and user-adapted interaction 12, 4 (2002), 331\u2013370."},{"key":"e_1_3_2_2_7_1","doi-asserted-by":"publisher","DOI":"10.1109\/TKDE.2018.2807452"},{"key":"e_1_3_2_2_8_1","volume-title":"Boosting Recommender Systems with Advanced Embedding Models. In Companion Proceedings of the Web Conference 2020","author":"Cenikj Gjorgjina","year":"2020","unstructured":"Gjorgjina Cenikj and Sonja Gievska . 2020 . Boosting Recommender Systems with Advanced Embedding Models. In Companion Proceedings of the Web Conference 2020 ( Taipei, Taiwan) (WWW \u201920). Association for Computing Machinery, New York, NY, USA, 385\u2013389. https:\/\/doi.org\/10.1145\/3366424.3383300 Gjorgjina Cenikj and Sonja Gievska. 2020. Boosting Recommender Systems with Advanced Embedding Models. In Companion Proceedings of the Web Conference 2020 (Taipei, Taiwan) (WWW \u201920). Association for Computing Machinery, New York, NY, USA, 385\u2013389. https:\/\/doi.org\/10.1145\/3366424.3383300"},{"key":"e_1_3_2_2_9_1","unstructured":"Daniel Cer Yinfei Yang Sheng-yi Kong Nan Hua Nicole Limtiaco Rhomni\u00a0St John Noah Constant Mario Guajardo-Cespedes Steve Yuan Chris Tar 2018. Universal sentence encoder. arXiv preprint arXiv:1803.11175(2018).  Daniel Cer Yinfei Yang Sheng-yi Kong Nan Hua Nicole Limtiaco Rhomni\u00a0St John Noah Constant Mario Guajardo-Cespedes Steve Yuan Chris Tar 2018. Universal sentence encoder. arXiv preprint arXiv:1803.11175(2018)."},{"key":"e_1_3_2_2_10_1","doi-asserted-by":"publisher","DOI":"10.1145\/3269206.3271743"},{"key":"e_1_3_2_2_11_1","volume-title":"Recommender systems handbook","author":"De\u00a0Gemmis Marco","unstructured":"Marco De\u00a0Gemmis , Pasquale Lops , Cataldo Musto , Fedelucio Narducci , and Giovanni Semeraro . 2015. Semantics-aware content-based recommender systems . In Recommender systems handbook . Springer , 119\u2013159. Marco De\u00a0Gemmis, Pasquale Lops, Cataldo Musto, Fedelucio Narducci, and Giovanni Semeraro. 2015. Semantics-aware content-based recommender systems. In Recommender systems handbook. Springer, 119\u2013159."},{"key":"e_1_3_2_2_12_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.eswa.2007.07.047"},{"key":"e_1_3_2_2_13_1","volume-title":"BERT: Pre-training of Deep Bidirectional Transformers for Language Understanding.","author":"Devlin Jacob","year":"2019","unstructured":"Jacob Devlin , Ming-Wei Chang , Kenton Lee , and Kristina Toutanova . 2019 . BERT: Pre-training of Deep Bidirectional Transformers for Language Understanding. (2019). Jacob Devlin, Ming-Wei Chang, Kenton Lee, and Kristina Toutanova. 2019. BERT: Pre-training of Deep Bidirectional Transformers for Language Understanding. (2019)."},{"key":"e_1_3_2_2_14_1","volume-title":"Proceedings of the 2019 Conference on Empirical Methods in Natural Language Processing and the 9th International Joint Conference on Natural Language Processing (EMNLP-IJCNLP)","author":"Ethayarajh Kawin","year":"1865","unstructured":"Kawin Ethayarajh . 2019. How Contextual are Contextualized Word Representations? Comparing the Geometry of BERT, ELMo, and GPT-2 Embeddings . In Proceedings of the 2019 Conference on Empirical Methods in Natural Language Processing and the 9th International Joint Conference on Natural Language Processing (EMNLP-IJCNLP) . Association for Computational Linguistics , Hong Kong , China, 55\u201365. https:\/\/doi.org\/10. 1865 3\/v1\/D19-1006 Kawin Ethayarajh. 2019. How Contextual are Contextualized Word Representations? Comparing the Geometry of BERT, ELMo, and GPT-2 Embeddings. In Proceedings of the 2019 Conference on Empirical Methods in Natural Language Processing and the 9th International Joint Conference on Natural Language Processing (EMNLP-IJCNLP). Association for Computational Linguistics, Hong Kong, China, 55\u201365. https:\/\/doi.org\/10.18653\/v1\/D19-1006"},{"key":"e_1_3_2_2_15_1","doi-asserted-by":"publisher","DOI":"10.1145\/2043932.2043989"},{"key":"e_1_3_2_2_16_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.knosys.2018.03.022"},{"key":"e_1_3_2_2_17_1","doi-asserted-by":"publisher","DOI":"10.1145\/3099023.3099096"},{"key":"e_1_3_2_2_18_1","unstructured":"J Grau. 2009. Personalized product recommendations: Predicting shoppers\u2019 needs.  J Grau. 2009. Personalized product recommendations: Predicting shoppers\u2019 needs."},{"key":"e_1_3_2_2_19_1","unstructured":"Hebatallah A\u00a0Mohamed Hassan Giuseppe Sansonetti Fabio Gasparetti Alessandro Micarelli and Joeran Beel. 2019. BERT ELMo USE and InferSent Sentence Encoders: The Panacea for Research-Paper Recommendation?. In RecSys (Late-Breaking Results). 6\u201310.  Hebatallah A\u00a0Mohamed Hassan Giuseppe Sansonetti Fabio Gasparetti Alessandro Micarelli and Joeran Beel. 2019. BERT ELMo USE and InferSent Sentence Encoders: The Panacea for Research-Paper Recommendation?. In RecSys (Late-Breaking Results). 6\u201310."},{"key":"e_1_3_2_2_20_1","doi-asserted-by":"publisher","DOI":"10.1109\/TKDE.2018.2831682"},{"key":"e_1_3_2_2_21_1","doi-asserted-by":"crossref","unstructured":"Xiangnan He Lizi Liao Hanwang Zhang Liqiang Nie Xia Hu and Tat-Seng Chua. 2017. Neural Collaborative Filtering. In Proceedings of the 26th International Conference on World Wide Web (Perth Australia) (WWW \u201917). International World Wide Web Conferences Steering Committee Republic and Canton of Geneva CHE 173\u2013182. https:\/\/doi.org\/10.1145\/3038912.3052569  Xiangnan He Lizi Liao Hanwang Zhang Liqiang Nie Xia Hu and Tat-Seng Chua. 2017. Neural Collaborative Filtering. In Proceedings of the 26th International Conference on World Wide Web (Perth Australia) (WWW \u201917). International World Wide Web Conferences Steering Committee Republic and Canton of Geneva CHE 173\u2013182. https:\/\/doi.org\/10.1145\/3038912.3052569","DOI":"10.1145\/3038912.3052569"},{"key":"e_1_3_2_2_22_1","doi-asserted-by":"publisher","DOI":"10.1109\/ICDM.2008.22"},{"key":"e_1_3_2_2_23_1","volume-title":"Recommender systems: an introduction","author":"Jannach Dietmar","unstructured":"Dietmar Jannach , Markus Zanker , Alexander Felfernig , and Gerhard Friedrich . 2010. Recommender systems: an introduction . Cambridge University Press . Dietmar Jannach, Markus Zanker, Alexander Felfernig, and Gerhard Friedrich. 2010. Recommender systems: an introduction. Cambridge University Press."},{"key":"e_1_3_2_2_24_1","volume-title":"ACM SIGIR Forum, Vol.\u00a051. ACM New York","author":"J\u00e4rvelin Kalervo","unstructured":"Kalervo J\u00e4rvelin and Jaana Kek\u00e4l\u00e4inen . 2017. IR evaluation methods for retrieving highly relevant documents . In ACM SIGIR Forum, Vol.\u00a051. ACM New York , NY , USA , 243\u2013250. Kalervo J\u00e4rvelin and Jaana Kek\u00e4l\u00e4inen. 2017. IR evaluation methods for retrieving highly relevant documents. In ACM SIGIR Forum, Vol.\u00a051. ACM New York, NY, USA, 243\u2013250."},{"key":"e_1_3_2_2_25_1","doi-asserted-by":"publisher","DOI":"10.1145\/2487575.2487589"},{"key":"e_1_3_2_2_26_1","volume-title":"Skip-thought vectors. Advances in neural information processing systems 28","author":"Kiros Ryan","year":"2015","unstructured":"Ryan Kiros , Yukun Zhu , Russ\u00a0 R Salakhutdinov , Richard Zemel , Raquel Urtasun , Antonio Torralba , and Sanja Fidler . 2015. Skip-thought vectors. Advances in neural information processing systems 28 ( 2015 ), 3294\u20133302. Ryan Kiros, Yukun Zhu, Russ\u00a0R Salakhutdinov, Richard Zemel, Raquel Urtasun, Antonio Torralba, and Sanja Fidler. 2015. Skip-thought vectors. Advances in neural information processing systems 28 (2015), 3294\u20133302."},{"key":"e_1_3_2_2_27_1","volume-title":"Recommender systems handbook","author":"Koren Yehuda","unstructured":"Yehuda Koren and Robert Bell . 2015. Advances in collaborative filtering . In Recommender systems handbook . Springer , 77\u2013118. Yehuda Koren and Robert Bell. 2015. Advances in collaborative filtering. In Recommender systems handbook. Springer, 77\u2013118."},{"key":"e_1_3_2_2_28_1","unstructured":"Xiaofei Ma Zhiguo Wang Patrick Ng Ramesh Nallapati and Bing Xiang. 2019. Universal text representation from BERT: an empirical study. arXiv preprint arXiv:1910.07973(2019).  Xiaofei Ma Zhiguo Wang Patrick Ng Ramesh Nallapati and Bing Xiang. 2019. Universal text representation from BERT: an empirical study. arXiv preprint arXiv:1910.07973(2019)."},{"key":"e_1_3_2_2_29_1","unstructured":"Tomas Mikolov Ilya Sutskever Kai Chen Greg\u00a0S Corrado and Jeff Dean. 2013. Distributed representations of words and phrases and their compositionality. In Advances in neural information processing systems. 3111\u20133119.  Tomas Mikolov Ilya Sutskever Kai Chen Greg\u00a0S Corrado and Jeff Dean. 2013. Distributed representations of words and phrases and their compositionality. In Advances in neural information processing systems. 3111\u20133119."},{"key":"e_1_3_2_2_30_1","volume-title":"Hybrid Semantics-Aware Recommendations Exploiting Knowledge Graph Embeddings. In International Conference of the Italian Association for Artificial Intelligence. Springer, 87\u2013100","author":"Musto Cataldo","year":"2019","unstructured":"Cataldo Musto , Pierpaolo Basile , and Giovanni Semeraro . 2019 . Hybrid Semantics-Aware Recommendations Exploiting Knowledge Graph Embeddings. In International Conference of the Italian Association for Artificial Intelligence. Springer, 87\u2013100 . Cataldo Musto, Pierpaolo Basile, and Giovanni Semeraro. 2019. Hybrid Semantics-Aware Recommendations Exploiting Knowledge Graph Embeddings. In International Conference of the Italian Association for Artificial Intelligence. Springer, 87\u2013100."},{"key":"e_1_3_2_2_31_1","doi-asserted-by":"publisher","DOI":"10.1145\/3213586.3225230"},{"key":"e_1_3_2_2_32_1","unstructured":"Makbule\u00a0Gulcin Ozsoy. 2016. From word embeddings to item recommendation. arXiv preprint arXiv:1601.01356(2016).  Makbule\u00a0Gulcin Ozsoy. 2016. From word embeddings to item recommendation. arXiv preprint arXiv:1601.01356(2016)."},{"key":"e_1_3_2_2_33_1","doi-asserted-by":"publisher","DOI":"10.1007\/978-3-319-98192-5_61"},{"key":"e_1_3_2_2_34_1","doi-asserted-by":"publisher","DOI":"10.1145\/3314183.3323455"},{"key":"e_1_3_2_2_35_1","doi-asserted-by":"publisher","DOI":"10.1145\/3079628.3079639"},{"key":"e_1_3_2_2_36_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.eswa.2020.114382"},{"key":"e_1_3_2_2_37_1","doi-asserted-by":"publisher","DOI":"10.1145\/245108.245121"},{"key":"e_1_3_2_2_38_1","volume-title":"Recommender systems handbook","author":"Ricci Francesco","unstructured":"Francesco Ricci , Lior Rokach , and Bracha Shapira . 2011. Introduction to recommender systems handbook . In Recommender systems handbook . Springer , 1\u201335. Francesco Ricci, Lior Rokach, and Bracha Shapira. 2011. Introduction to recommender systems handbook. In Recommender systems handbook. Springer, 1\u201335."},{"key":"e_1_3_2_2_39_1","doi-asserted-by":"publisher","DOI":"10.1109\/ICHIS.2005.109"},{"key":"e_1_3_2_2_40_1","doi-asserted-by":"publisher","DOI":"10.1145\/3347145"},{"key":"e_1_3_2_2_41_1","doi-asserted-by":"publisher","DOI":"10.5555\/2627435.2697059"},{"key":"e_1_3_2_2_42_1","doi-asserted-by":"crossref","unstructured":"P. Stakhiyevich and Z. Huang. 2019. Building user Profiles Based on user Interests and Preferences for Recommender Systems. In 2019 IEEE International Conferences on Ubiquitous Computing Communications (IUCC) and Data Science and Computational Intelligence (DSCI) and Smart Computing Networking and Services (SmartCNS). 450\u2013455. https:\/\/doi.org\/10.1109\/IUCC\/DSCI\/SmartCNS.2019.00101  P. Stakhiyevich and Z. Huang. 2019. Building user Profiles Based on user Interests and Preferences for Recommender Systems. In 2019 IEEE International Conferences on Ubiquitous Computing Communications (IUCC) and Data Science and Computational Intelligence (DSCI) and Smart Computing Networking and Services (SmartCNS). 450\u2013455. https:\/\/doi.org\/10.1109\/IUCC\/DSCI\/SmartCNS.2019.00101","DOI":"10.1109\/IUCC\/DSCI\/SmartCNS.2019.00101"},{"key":"e_1_3_2_2_43_1","unstructured":"Ashish Vaswani Noam Shazeer Niki Parmar Jakob Uszkoreit Llion Jones Aidan\u00a0N Gomez \u0141ukasz Kaiser and Illia Polosukhin. 2017. Attention is all you need. In Advances in neural information processing systems. 5998\u20136008.  Ashish Vaswani Noam Shazeer Niki Parmar Jakob Uszkoreit Llion Jones Aidan\u00a0N Gomez \u0141ukasz Kaiser and Illia Polosukhin. 2017. Attention is all you need. In Advances in neural information processing systems. 5998\u20136008."},{"key":"e_1_3_2_2_44_1","volume-title":"Glue: A multi-task benchmark and analysis platform for natural language understanding. arXiv preprint arXiv:1804.07461(2018).","author":"Wang Alex","year":"2018","unstructured":"Alex Wang , Amanpreet Singh , Julian Michael , Felix Hill , Omer Levy , and Samuel\u00a0 R Bowman . 2018 . Glue: A multi-task benchmark and analysis platform for natural language understanding. arXiv preprint arXiv:1804.07461(2018). Alex Wang, Amanpreet Singh, Julian Michael, Felix Hill, Omer Levy, and Samuel\u00a0R Bowman. 2018. Glue: A multi-task benchmark and analysis platform for natural language understanding. arXiv preprint arXiv:1804.07461(2018)."},{"key":"e_1_3_2_2_45_1","volume-title":"7th International Conference on Learning Representations, ICLR","author":"Wang Alex","year":"2019","unstructured":"Alex Wang , Amanpreet Singh , Julian Michael , Felix Hill , Omer Levy , and Samuel\u00a0 R Bowman . 2019 . Glue: A multi-task benchmark and analysis platform for natural language understanding . In 7th International Conference on Learning Representations, ICLR 2019. Alex Wang, Amanpreet Singh, Julian Michael, Felix Hill, Omer Levy, and Samuel\u00a0R Bowman. 2019. Glue: A multi-task benchmark and analysis platform for natural language understanding. In 7th International Conference on Learning Representations, ICLR 2019."},{"key":"e_1_3_2_2_46_1","doi-asserted-by":"publisher","DOI":"10.1145\/3178876.3186175"},{"key":"e_1_3_2_2_47_1","doi-asserted-by":"publisher","DOI":"10.1145\/3292500.3330836"},{"key":"e_1_3_2_2_48_1","volume-title":"Proceedings of the 26th annual conference on learning theory (COLT","author":"Wang Yining","year":"2013","unstructured":"Yining Wang , Liwei Wang , Yuanzhi Li , Di He , Wei Chen , and Tie-Yan Liu . 2013 . A theoretical analysis of NDCG ranking measures . In Proceedings of the 26th annual conference on learning theory (COLT 2013), Vol.\u00a08. 6. Yining Wang, Liwei Wang, Yuanzhi Li, Di He, Wei Chen, and Tie-Yan Liu. 2013. A theoretical analysis of NDCG ranking measures. In Proceedings of the 26th annual conference on learning theory (COLT 2013), Vol.\u00a08. 6."},{"key":"e_1_3_2_2_49_1","doi-asserted-by":"publisher","DOI":"10.1609\/aaai.v28i1.8870"},{"key":"e_1_3_2_2_50_1","doi-asserted-by":"publisher","DOI":"10.1145\/2835776.2835837"},{"key":"e_1_3_2_2_51_1","doi-asserted-by":"publisher","DOI":"10.1145\/3314578"},{"key":"e_1_3_2_2_52_1","doi-asserted-by":"publisher","DOI":"10.1145\/2939672.2939673"},{"key":"e_1_3_2_2_53_1","doi-asserted-by":"publisher","DOI":"10.1109\/ACCESS.2020.3011105"}],"event":{"name":"RecSys '21: Fifteenth ACM Conference on Recommender Systems","location":"Amsterdam Netherlands","acronym":"RecSys '21","sponsor":["SIGWEB ACM Special Interest Group on Hypertext, Hypermedia, and Web","SIGAI ACM Special Interest Group on Artificial Intelligence","SIGKDD ACM Special Interest Group on Knowledge Discovery in Data","SIGIR ACM Special Interest Group on Information Retrieval","SIGCHI ACM Special Interest Group on Computer-Human Interaction","SIGecom Special Interest Group on Economics and Computation"]},"container-title":["Fifteenth ACM Conference on Recommender Systems"],"original-title":[],"link":[{"URL":"https:\/\/dl.acm.org\/doi\/10.1145\/3460231.3474272","content-type":"unspecified","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/dl.acm.org\/doi\/pdf\/10.1145\/3460231.3474272","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2025,6,17]],"date-time":"2025-06-17T20:12:17Z","timestamp":1750191137000},"score":1,"resource":{"primary":{"URL":"https:\/\/dl.acm.org\/doi\/10.1145\/3460231.3474272"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2021,9,13]]},"references-count":53,"alternative-id":["10.1145\/3460231.3474272","10.1145\/3460231"],"URL":"https:\/\/doi.org\/10.1145\/3460231.3474272","relation":{},"subject":[],"published":{"date-parts":[[2021,9,13]]}}}