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Temporal Uncertainty of Geographical Inf
畢業(yè)論文
| 全部作者： | 舒紅 |
| 第1作者單位： | 武漢大學(xué) |
| 論文摘要： | Temporal uncertainty is a crossing point of temporal and error-aware geographical information systems. In Geoinformatics, temporal uncertainty is of the same importance as spatial and thematic uncertainty of geographical information. However, until very recently, the standard organizations of ISO/TC211 and FGDC subsequently claimed that temporal uncertainty is one of geospatial data quality elements. Over the past decades, temporal uncertainty of geographical information is modeled insufficiently. To lay down a foundation of logically or physically modeling temporal uncertainty, this paper is aimed to clarify the semantics of temporal uncertainty to some extent. The general uncertainty is conceptualized with a taxonomy of uncertainty. Semantically, temporal uncertainty is progressively classified into uncertainty of time coordinates, changes, and dynamics. Uncertainty of multidimensional time (valid time, database time, and conceptual time, etc.) has been emphasized. It is realized that time scale (granularity) transition may lead to temporal uncertainty because of missing transition details. It is dialectically concluded that temporal uncertainty is caused by the complexity of the human-machine-earth system. |
| 關(guān)鍵詞： | Temporal uncertainty, data quality, geographical information systems. 遠(yuǎn)程下載 論文(免費PDF論文全文) |
| 發(fā)表日期： | 2007年12月21日 |
| 同行評議： | 文章圍繞地理信息的不確定，探討了其分類、維度等，有自己的看法。不足之處是：摘要4要素不全，且不精練；關(guān)鍵詞需重新提煉；缺少中文摘要；參考文獻(xiàn)過舊過少；行文語法和用詞需進(jìn)1步審核等。 |
| 綜合評價： | |
| 修改稿： | |
| 注：同行評議是由特聘的同行專家給出的評審意見，綜合評價是綜合專家對論文各要素的評議得出的數(shù)值，以1至5顆星顯示。 | |
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