開放數據
開放數據（英文：open data，或者叫開放資料）指嘅係一種經過挑選同許可嘅資料。佢哋唔受著作權、專利權，同埋其他管理機制所限制，可以開放畀社會公眾，任何人都可以自由使用，無論係用嚟出版定係第二啲用途都唔受限制。
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