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- W2611740082 abstract "A novel scheme for retrieving users’ desired contents, i.e., contents with topics in which users are interested, from multiple social media platforms is presented in this paper. In existing retrieval schemes, users first select a particular platform and then input a query into the search engine. If users do not specify suitable platforms for their information needs and do not input suitable queries corresponding to the desired contents, it becomes difficult for users to retrieve the desired contents. The proposed scheme extracts the hierarchical structure of content groups (sets of contents with similar topics) from different social media platforms, and it thus becomes feasible to retrieve desired contents even if users do not specify suitable platforms and do not input suitable queries. This paper has two contributions: (1) A new feature extraction method, Locality Preserving Canonical Correlation Analysis with multiple social metadata (LPCCA-MSM) that can detect content groups without the boundaries of different social media platforms is presented in this paper. LPCCA-MSM uses multiple social metadata as auxiliary information unlike conventional methods that only use content-based information such as textual or visual features. (2) The proposed novel retrieval scheme can realize hierarchical content structuralization from different social media platforms. The extracted hierarchical structure shows various abstraction levels of content groups and their hierarchical relationships, which can help users select topics related to the input query. To the best of our knowledge, an intensive study on such an application has not been conducted; therefore, this paper has strong novelty. To verify the effectiveness of the above contributions, extensive experiments for real-world datasets containing YouTube videos and Wikipedia articles were conducted." @default.
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- W2611740082 date "2017-05-08" @default.
- W2611740082 modified "2023-09-27" @default.
- W2611740082 title "Extracting hierarchical structure of content groups from different social media platforms using multiple social metadata" @default.
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- W2611740082 doi "https://doi.org/10.1007/s11042-017-4717-7" @default.
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