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 aBecause 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(1 3)，where01 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.
(1)A、life
B、WWW
C、page
D、web
(2)A、manager
B、applications
C、software
D、computer
(3)A、documents
B、pages
C、means
D、data
(4)A、objects
B、people
C、computers
D、instances
(5 )A、operator
B、administrator
C、machine
D、server