题目内容：
根据下列题干，回答题：The Semantic Web is a web of dat a There is lots of data we all use every day，and its not part of the（ 1 ）．I can see my bank statements on the web，and my photographs，and I can see my appoint． ments in a calendar．But can I see my photos in a calendar to see what l was doing when I took them 9． Can I see bank statement lines in a calendar?
Why not?Because we don’t have a web of dat a Because data is controlled by （ 2 ），and each application keeps it to itself．
The Semantic Web is about two things．It is about common formats for interchange of（ 3 ），where011 the original Web we only had interchange of documents．Also it is about language for recording how the data relates to real world（ 4 ）．That allows a person，or a （ 5 ），to start off in one database，and then move through an unending set of databases which are connected not by wires but by being about the same thing.
请选择（ 1 ）处最佳答案
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