Update README.md

README.md

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-license: cc0-1.0
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+---
+license: cc0-1.0
+---
+
+# Dataset Card for OpenHistoryVault
+
+dataset_name: OpenHistoryVault
+license: CC0 1.0 Universal (Public Domain)
+
+description: |
+  OpenHistoryVault is an open and legally compliant dataset containing both historical videos and corresponding textual materials in Chinese. 
+  The dataset provides supplementary and authentic historical content for academic research, AI training, and cultural preservation. 
+  All content is sourced from public and authorized channels, thoroughly checked to ensure safety and usability. 
+  The dataset contains no privacy concerns, sensitive political content, or copyright issues.
+
+summary: |
+  The dataset includes:
+  - Historical video footage covering various periods and events;
+  - Associated textual descriptions, annotations, and historical documents;
+  - Content curated for historical truth supplementation and verification;
+  - Materials suitable for multimodal learning, language modeling, and video-text alignment tasks.
+
+usage: |
+  - Multimodal learning combining video and text;
+  - Historical event analysis and timeline extraction;
+  - Semantic search and question answering in historical domains;
+  - Training AI models on authentic Chinese historical multimedia content.
+
+data_format: |
+  - Video files in standard formats (e.g., MP4, AVI);
+  - Text files in UTF-8 encoded formats (TXT, JSON, CSV);
+  - Metadata includes source, date, topic, and region information when available.
+
+license_info: |
+  This dataset is released under the CC0 1.0 Universal (Public Domain) license,
+  allowing free use, modification, and redistribution.
+
+notes: |
+  - All data is verified to be free of copyright and sensitive content;
+  - Suitable for educational, research, and commercial applications.
+
+series_info: |
+  OpenHistoryVault is part of the "OpenVault" series of open Chinese datasets, which also includes:
+  - OpenTextVault: Open Chinese text datasets;
+  - OpenChineseVideoVault: Open Chinese video datasets.