Update README.md

README.md

@@ -1,8 +1,8 @@
 ---
-license: apache-2.0        # 或 mit, cc-by-4.0 等
+license: cc-by-nc-4.0
 task_categories:
-- time-series-forecasting  # 这是让系统识别为时间序列任务的关键
-tags:                      # 自定义标签
+- time-series-forecasting
+tags:
 - time-series
 - forecasting
 - benchmark
@@ -23,7 +23,7 @@ We present TIME, a task-centric benchmark comprising 50 fresh datasets and 98 fo
 
 
 # **Update Log**
-
+* **2026-05-25**: Update the dataset license to **CC BY-NC 4.0** to ensure compliance with all constituent data providers.
 * **2026-05-20**: Update `Crypto/D`. Update data with public market aggregates from [BitInfoCharts](https://bitinfocharts.com).
 * **2026-05-16**: Update `Global_Influenza/W`. Fix the bug reported in [Issue #5](https://github.com/zqiao11/TIME/issues/5).
 * **2026-02-10**: Initial Release. Introduced a comprehensive benchmark comprising 50 datasets across 98 evaluation tasks.