题目内容
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[单选题]
SparkGraphX中类Graph的mapReduceTriplets方法可以（)。
A.收集邻居顶点的顶点Id和顶点属性
B.收集邻居顶点的顶点Id
C.向指定顶点发送信息并聚合信息
D.将顶点信息更新到图中
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题目内容
（请给出正确答案）
如果结果不匹配，请 联系老师 获取答案
题目内容
（请给出正确答案）
A.收集邻居顶点的顶点Id和顶点属性
B.收集邻居顶点的顶点Id
C.向指定顶点发送信息并聚合信息
D.将顶点信息更新到图中
如果结果不匹配，请 联系老师 获取答案
更多“SparkGraphX中类Graph的mapReduceTr…”相关的问题
W: Sure, John. What do you want to talk about？
M: Well, I have some quick problems about how to write the research project that I do this semester about Climate Changes.
W: Oh, yes. You were looking for changes in climate in the G city area, right？ How far have you been gotten？
M: I've gotten my data, so I'm starting to summarize it now, preparing graph and stuff. But I'm just...I'm looking at it and I'm afraid that is not enough, but I'm not sure what else to put into the report.
W: I hear the same thing from every student. You know, you have to remember now that you are the expert on what you have done. So think about what you need to include if you're going to explain your research project to someone with general or casual knowledge about the subject like your parents. That's usually my rule. Would my parents understand this？
M: Uhh, I get it. I was wondering if I should also include the notes from the research journals you suggest.
W: Yes, definitely. Be sure you include good reference section where all your published and unpublished data came from.
M: Yes. I have data more than just in the G city area, so I also include regional data in the report. With everything else, it should be a pretty good indication of climate of this part of the state.
W: Sounds good. I'll be happy to look over a draft before you hand the final copy if you wish.
M: Great. I plan to get you the draft of the paper by next Friday, Thanks very much. See you.
W: OK.
(20)
A．The data he collected.
B．Notes from research journals.
C．His research project.
D．The climate changes in his hometown.
