Duplicate Content?

Try and see Copyscape for this, it can really help you.

before you submit an article you will have check the article in wile it is copy pasted or not just put the some part of the article in any search engine and search engine shows you the results.

Duplicate content is a term used in the field of search engine optimization to describe content that appears on more than one web page, within the same web site. When multiple pages within a web site contain essentially the same content, search engines such as Google can penalise/not display that site in any relevant search results

just look for it on the look for engines you get to know the appearance of the conetent, you can go for the on the internet resources but they are offer you choice to chek few amount of time in a day, paid edition gives you complete accessibility and no such restrict.

To check your content either it is duplicate or not, simply go to search engine like Google paste your article. If your article keeps duplicate content than search engine shows most of the part of your article in bold font.

Duplicate content is content that appears on the Internet in more than one place (URL). This is a problem because when there are more than one piece of identical content on the Internet, it is difficult for search engines to decide which version is more relevant to a given search query. To provide the best search experience, search engines will rarely show multiple, duplicate pieces of content and thus, are forced to choose which version is most likely to be the original (or best).Duplicate content is content that appears on the Internet in more than one place (URL). This is a problem because when there are more than one piece of identical content on the Internet, it is difficult for search engines to decide which version is more relevant to a given search query. To provide the best search experience, search engines will rarely show multiple, duplicate pieces of content and thus, are forced to choose which version is most likely to be the original (or best).

www.copyscape.com is the great way!

You can simply copy some part of the article and paste it in Google, if someone copied content from your article, it will show up.

This is a great post, thanks to you I got this information.