common mask 中文意思是什麼
common mask
解釋
公用掩碼-
The idol was actually a wooden shaft with a mask attached, garlanded with ivy - perhaps the most common way of depicting dionysus in the greek world
神像實際上是一個以面具附上的木軸，戴著長春騰花環，這或許是在希臘世界中最普遍的描述戴奧尼索斯的方法。 -
The key to realize the organized integration of various data sources is how to specify all kinds of data by a unique data schema and mask the heterogeneity of their platforms and data structure, etc. there are some shortage in existing data integration systems : complex conversion of any data schema to the common schema ; little integration about semistructured data ; lackness of interoperability in bottom level communication mechanism based on software component
實現數據無縫集成的關鍵和困難是如何以一種統一的數據模式描述各數據源中的數據，屏蔽它們的平臺、數據結構等異構性。已有的數據集成技術，存在一些不足：公共模式同各數據源模式的轉換工作繁雜；對結構化數據的支持較好，而半結構化數據不夠重視，數據源參與集成的程度不高；基於軟體組件的底層通信機制缺乏互操作性。
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