DSPL: DataSet Publishing Language (Google Code) — a representation language for the data and metadata of datasets. Datasets described in this format can be processed by Google and visualized in the Google Public Data Explorer. XML metadata on CSV, geo-enabled, with linkable data.
from Four short links: 18 February 2011
強的是可以把許多資料視覺化，圖中可以明顯看到隨著時間的推進，許多國家的平均年齡上升，生育率下降。