Weight in Gephi while importing csv file

If CSV file contains 5 lines and as below: We have 
"An Introduction to the U.S. Food System: Perspectives from Public Health" -> "Nutrition, Health, and Lifestyle: Issues and Insights" and 
"Nutrition, Health, and Lifestyle: Issues and Insights" -> "An Introduction to the U.S. Food System: Perspectives from Public Health"

CSV File:
"An Introduction to the U.S. Food System: Perspectives from Public Health","An Introduction to Global Health","Nutrition, Health, and Lifestyle: Issues and Insights","Moralities of Everyday Life",
"An Introduction to Global Health","Nutrition, Health, and Lifestyle: Issues and Insights","Moralities of Everyday Life",
"Nutrition, Health, and Lifestyle: Issues and Insights","Moralities of Everyday Life",
"Contraception: Choices, Culture and Consequences",
"Nutrition, Health, and Lifestyle: Issues and Insights","An Introduction to the U.S. Food System: Perspectives from Public Health",

Given this CSV file, what is the weight between "An Introduction to the U.S. Food System: Perspectives from Public Health" -> "Nutrition, Health, and Lifestyle: Issues and Insights"?

A: I was expecting 2 and found that it always interpret weight as 1.




Add one line for CSV File:
"An Introduction to the U.S. Food System: Perspectives from Public Health","An Introduction to Global Health","Nutrition, Health, and Lifestyle: Issues and Insights","Moralities of Everyday Life",
"An Introduction to Global Health","Nutrition, Health, and Lifestyle: Issues and Insights","Moralities of Everyday Life",
"Nutrition, Health, and Lifestyle: Issues and Insights","Moralities of Everyday Life",
"Contraception: Choices, Culture and Consequences",
"Nutrition, Health, and Lifestyle: Issues and Insights","An Introduction to the U.S. Food System: Perspectives from Public Health",
"An Introduction to the U.S. Food System: Perspectives from Public Health","An Introduction to Global Health","Nutrition, Health, and Lifestyle: Issues and Insights",




Given the changed CSV file, what is the weight between "An Introduction to the U.S. Food System: Perspectives from Public Health" -> "Nutrition, Health, and Lifestyle: Issues and Insights"?

A: The weight changed to 2 but one thing to note is Source and Target.

* I used to get CSV format list from Java Code (List) and it is important to sort the list and save the list to the CSV.

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Collections.sort(list); // Sort List