《 》--it's just used by Chinese.It's a mark used to quote the name of a book or newspaper and so on.We Chinese would like to use 《 》more than 「 」.Japenese just use the mark 「 」which is similar to 《 》.

they are both the mark often using to quote the name of a book,a song,a movie or anyother kind of artworks. but they are different in function. you konw that there are two kinds of forms in writing.in ancient China, people wrote like this: 我wo 爱ai 你ni; but nowadays,we generally write like 我wo爱ai你ni so, to the former, people use 「」,while to the latter,people use << >> .

Yes they are almost same as "quotations" in English. 「」 are mainly used for colloquial sentences, also for proper noun when you want to emphasise it. <> are just a style I think.

these are called '书名号',which are used to quote the name of a book,a song,a movie or anyother kind of artworks. quotation symbol for general usage is “”

「 」means ' ' the name of book we use << >>