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The Global Trade Exchange ( GTX ) is , or was , a controversial Homeland Security intelligence project , related to maritime-ports data-mining , being one of three pillers of the Safe Ports Act-related Secure Freight Initiative s. The Global Trade Exchange has a mysterious history dating from conception in 2004 , a 2007-2008 year of hype , and sudden placement on " hold " status .
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Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
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