Duplicate Detection, Resolution and Reporting  

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Mourad
Member Admin
Joined:3 years  ago
Posts: 72
11/09/2017 9:42 am  

 As soon as you upload a new search to Rayyan, it will trigger a duplicate detection algorithm on all of your articles in the current review. After few minutes, Rayyan will display a special icon beside each article that has a possible duplicate. When you expand the details for those articles, you will have the option to accept the duplicate and delete it, or reject it and keep it as a separate article. Afraid of making mistakes? No worries, we all do mistakes. You can always undo any correction you have made to duplicates.

On the left panel, under the "Duplicates" box, you'll see several statistics:

  • Unresolved: These are entries that have been detected as potential duplicates but not resolved by you
  • Deleted: These are all duplicates that you deleted
  • Not duplicates: These are all entries that you decided are not duplicates
  • Resolved: These are all the entries that have been kept with no duplicates
  • "n" exact matches: These are all the entries that have been repeated n times from all your searches; these are automatically reduced to one entry
Edited: 3 years  ago

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user15652
New Member
Joined:2 years  ago
Posts: 1
15/05/2018 9:42 pm  

Hello, 

 

In my Rayyan it's written: 

"Deleted 16

Resolved 12 

2 exact matches: 111

3 exact matches: 4"

And also "200 unique entries"

 

That means that I have a total of 262 entries??

16 + 12 + 2x111 + 3x4 = 262?

I have entered 336 articles, where are they?

Please, can you help me?

Thank you!


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Mourad
Member Admin
Joined:3 years  ago
Posts: 72
15/05/2018 10:24 pm  

 Hi,

If your original search has 336 entries then you should have

336 - (16+2x111+3x4) = 86 unique entries

If this is not the case then send us a ticket by clicking on the small question mark at the bottom right corner

Best,

-Admin

Edited: 2 years  ago

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user17471
New Member
Joined:2 years  ago
Posts: 3
01/06/2018 6:21 pm  

How do I delete the duplicates? I don't see a delete button only a resolve button.


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user17471
New Member
Joined:2 years  ago
Posts: 3
07/06/2018 12:37 pm  

I am now seeing the resolution choices appear.

It would be great if we could see the potential duplicates side by side rather than 'stacked' so you have to scroll to compare them. Or  there could be an expand option in the top article list box, where you see the titles, dates and authors of both potential duplicates, as this will be sufficient to resolve many. 


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user17471
New Member
Joined:2 years  ago
Posts: 3
07/06/2018 12:37 pm  

I am now seeing the resolution choices appear.

It would be great if we could see the potential duplicates side by side rather than 'stacked' so you have to scroll to compare them. Or  there could be an expand option in the top article list box, where you see the titles, dates and authors of both potential duplicates, as this will be sufficient to resolve many. 


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Mourad
Member Admin
Joined:3 years  ago
Posts: 72
12/06/2018 5:37 pm  

Hi Alex,

 

Thanks for the suggestions.

Best,

-Admin


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user23812
New Member
Joined:2 years  ago
Posts: 1
25/10/2018 11:15 pm  

I've just criated a new review and added my articles more then an hour ago and the duplicates pannel hasn't appeard yet. I'm not sure if this is acctualy a problem or if the application takes more time to identify the duplicates. Other times it showed up right away.

Is there a time limit for it to work?


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user27446
New Member
Joined:2 years  ago
Posts: 3
25/03/2019 3:50 pm  

is there a way to label or delete a duplicate in the system that has not been detected?


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user27446
New Member
Joined:2 years  ago
Posts: 3
25/03/2019 3:51 pm  

is there a way to label or delete a duplicate in the system that has not been detected?


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Mourad
Member Admin
Joined:3 years  ago
Posts: 72
04/04/2019 9:34 am  

Hi,

You can simply put a label saying this is a duplicate. But there is no way to delete duplicates not detected by the Rayyan's algorithm.

Best,

-Mourad


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user16066
New Member
Joined:1 year  ago
Posts: 2
13/06/2019 1:58 am  

Hi,

I have a problem with duplicates. How can I delete them? I don't see a delete button only a resolve button.


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Mourad
Member Admin
Joined:3 years  ago
Posts: 72
09/07/2019 9:23 am  

Hi,

 

Dear,

 
We're working on putting back the undo button for accidental deletions.  A workaround would be put these entries alone in one reference file (with a format accepted by Rayyan) and then add them back to the review.  You can also get such a file by exporting only the deleted entries but the file you get may also contain entries you don't want to undelete. In which case, you'll need to remove them manually.
 
Best,
Admin

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user28862
New Member
Joined:2 years  ago
Posts: 1
07/08/2019 5:38 pm  

Hi,

I don't understand what is 'n' exact matches. I saw your explanation above but it is still unclear for me. Can you help me ? maybe by giving me an example ?

Thanks in advance

Gilles


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Mourad
Member Admin
Joined:3 years  ago
Posts: 72
07/09/2019 2:25 pm  

Hi Gilles,

It simply means that in the file(s) that you have uploaded to Rayyan the same exact reference was repeated n times. If I upload a file with two references

"%0 Journal Article

%T Rayyan—a web and mobile app for systematic reviews

%A Ouzzani, Mourad

%A Hammady, Hossam

%A Fedorowicz, Zbys

%A Elmagarmid, Ahmed

%J Systematic reviews

%V 5

%N 1

%P 210

%@ 2046-4053

%D 2016

%I BioMed Central

"

and

"%0 Journal Article

%T Rayyan—a web and mobile app for systematic reviews

%A Ouzzani, Mourad

%A Hammady, Hossam

%A Fedorowicz, Zbys

%A Elmagarmid, Ahmed

%J Systematic reviews

%V 5

%N 1

%P 210

%@ 2046-4053

%D 2016

%I BioMed Central"

one of them will be automatically delete.

Best,

Admin


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