How to Extract Data From Articles

Silvi's Tags feature help you extract data from papers and it automatically puts all extracted data in a neatly organized table.

This feature can fast-track your data extraction process and save considerable time and effort.

Here's how to use Tags to extract data from articles:

1. Once you're done with title and abstract screening, you will move on to full text screening.

To screen full texts of papers, click on the "Full Text" button in the left task bar.

Silvi will show you all the studies that you have included up to this point. It will also automatically retrieve PDFs of open access papers for you.

Select a PDF you want to screen and click on "All Tags" button in the top-right corner.

Then click on "Add new."

Silvi lets you create three types of tags: Text, Numeric, and Category.

To create a tag for textual data, select "Text" and choose title for your tag. You can also add a brief description for the tag, and you can choose a color for you tag too. This is especially great for cooperation.

Once you are done, click on "Save," and your tag will be created.

In the example below, we created a text tag titled, "Objective."

Highlight the relevant text, select the tag, and the text will be tagged.

Tags will find relevant text/sections immediately even after several months when you receive reviewer comments and need to revise your manuscript. If you are collaborating with colleagues, they can also see your tags.

2. Once we have created a tag, we can use it on multiple or all papers.

In the example below, we select another paper and tag its objectives with the "Objective" tag.

3. You can also tag numeric data in papers.

To create a numeric tag, click on "All Tags" button in the top-right corner, and then on "Add new."

Choose a title for your tag. In the example below, we are creating a tag for the number of students mentioned in each paper.

Select "Numeric," choose a color for your tag, and click on "Save."

Now as you read through the papers, you can tag the total number of students.

Select the total number of students in a paper and Silvi will show you all the tags you have created.

Select the "Number of students" tag and Silvi will do the needful.

4. Sometimes, you might need a more flexible tag to tag multiple data points under a single category.

For this, you can create a category tag.

Click on "All Tags" button in the top-right corner, and then click on "Add new."

Choose a title for your tag, and select "Category."

In the example, we create a category of Country to tag countries mentioned in each paper.

Now as you screen the paper, you can select the country(ies) mentioned in it and tag it accordingly.

5. You can also create new tags by simply highlighting text in a paper.

Highlight the part you want to tag and Silvi will show you the Tags menu. Type in the tag you want to create, select the type of tag, and press Enter/Return.