{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,12,23]],"date-time":"2025-12-23T16:34:30Z","timestamp":1766507670238,"version":"3.48.0"},"reference-count":66,"publisher":"MDPI AG","issue":"12","license":[{"start":{"date-parts":[[2025,12,18]],"date-time":"2025-12-18T00:00:00Z","timestamp":1766016000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["42261068"],"award-info":[{"award-number":["42261068"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["62363015"],"award-info":[{"award-number":["62363015"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100004479","name":"Natural Science Foundation of Jiangxi Province","doi-asserted-by":"publisher","award":["20242BAB25112"],"award-info":[{"award-number":["20242BAB25112"]}],"id":[{"id":"10.13039\/501100004479","id-type":"DOI","asserted-by":"publisher"}]},{"name":"Research Project of Social Sciences Planning of Shandong Province","award":["23DWYJ13"],"award-info":[{"award-number":["23DWYJ13"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["BDCC"],"abstract":"<jats:p>Sentiment classification is a key technique for analyzing the emotional tendency of user reviews and is of great significance to movie recommendation systems. However, existing methods often face challenges in practical applications due to complex model structures, low computational efficiency, or difficulties in balancing local details with global contextual features. To address these issues, this paper proposes a Multi-Scale Feature Fusion Linear Attention model (MSFFLA). The model consists of three core modules: the BERT Encoder module for extracting basic semantic features; the Parallel Multi-scale Feature Extraction module (PMFE), which employs multi-branch dilated convolutions to accurately capture local fine-grained features; and the Global Multi-scale Linear Feature Extraction module (MGLFE), which introduces a Multi-Scale Linear Attention mechanism (MSLA) to efficiently model global contextual dependencies with approximately linear computational complexity. Extensive experiments were conducted on three public datasets: SST-2, Amazon Reviews, and MR. The results show that compared to the state-of-the-art BERT-CondConv model, our model achieves improvements in accuracy and F1-Score by 1.8% and 0.4%, respectively, on the SST-2 dataset, and by 1.5% and 0.3% on the Amazon Reviews dataset. This study not only validates the effectiveness of the proposed model but also provides an efficient and lightweight solution for sentiment classification tasks in movie recommendation systems, demonstrating promising practical application prospects.<\/jats:p>","DOI":"10.3390\/bdcc9120325","type":"journal-article","created":{"date-parts":[[2025,12,18]],"date-time":"2025-12-18T14:32:03Z","timestamp":1766068323000},"page":"325","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["A Multi-Scale Feature Fusion Linear Attention Model for Movie Review Sentiment Analysis"],"prefix":"10.3390","volume":"9","author":[{"given":"Zi","family":"Jiang","sequence":"first","affiliation":[{"name":"School of Art and Design, Shandong Women\u2019s University, Jinan 250300, China"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3674-8670","authenticated-orcid":false,"given":"Chengjun","family":"Xu","sequence":"additional","affiliation":[{"name":"School of Artificial Intelligence, Jiangxi Normal University, Nanchang 330022, China"},{"name":"School of Remote Sensing and Information Engineering, Wuhan University, Wuhan 430072, China"}]}],"member":"1968","published-online":{"date-parts":[[2025,12,18]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","unstructured":"Davoodi, L., Mezei, J., and Heikkil\u00e4, M. 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