How to aggregate data from third party sites?

Hey guys, I am writing a document for a university project which asks me to cover RDFa, data aggregation and the semantic web. After a week of research I am not sure I understand all this. Is it normal for sites to aggregate data from third party sites? Is this legal? How exactly would this be done?

I have read all of the Wikipedia sites and plenty other documentation, but I am interested in you guys opinions, on how it should be done and why. How do you draw in information from others sites which is directly relative to the content you already have?

I would appreciate any information on this at all!

many thanks!

Web Languages and StandardsE-CommerceWeb Development

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Ray Paseur

8/22/2022 - Mon

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Ray Paseur

12/30/2012

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deucalion0

1/4/2013

ASKER

Thanks for your advice! I took what you said I looked further into this, it is interesting, but very vague in some points. I was hoping for more replies, but EE seems to be so quiet these days :(

Thank you!!!

Ray Paseur

1/4/2013

Thanks for the points. Maybe if you post the question again when it is not over a holiday weekend some others will weigh in. If you feel answers are vague, you can always ask for clarification, too. ~Ray

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