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"Plagiarism Detector" general discussion / Compare two documents side by side
« Last post by David.P on July 08, 2014, 12:39:21 PM »
Hi forum & team,

I need to compare two documents side by side, and get a report showing similarities (including MOVED text!) like here:

[link removed]

Now the questions are:
  • Does 2TextsCompare not exist anymore?
  • Has 2TextsCompare been replaced by Plagiarism Detector, including ALL of the features of 2TextsCompare?
  • If yes, why can I not get a grapical report like the one shown above from the trial version of Plagiarism Detector?
  • If this is a trial limitation I must say that the trial limitations are pathetic. 600 words is NOTHING in order to test a plagiarism software.
  • So will I have to buy Plagiarism Detector in order to get the side-by-side comparison of two documents that I need?
Thanks very much already for fast help.

Regards David.P
"Silver Bullets" / Remote Assistance via Chrome Remote Desktop addin
« Last post by Mike Sanders on June 26, 2014, 10:00:24 PM »
We will gladly assist you via Chrome Remote Desktop Assistance.

To use our help you need to:

1. Download and install latest version of Google Chrome.
2. Download and install Google Chrome Remote Desktop addin:

3. Follow the steps during the installation process and finally choose: "Share computer" option.
You will be prompted security code that you need to email\somehow send us.
4. Our expert logs in to your computer and tries to resolve your problem.
"Plagiarism Detector" - Bugs\Errors\Crashes / Report list error in PD v848
« Last post by Alexei B. on June 04, 2014, 10:30:41 PM »
For the version 848 there is a problem when there is just one report shown in the list of the reports and this report is opened each time any document is checked.

It happens when there are more then 200 reports in the report folder. An easy way around is moving older reports in a separate folder.

This will be fixed in the next version released.
"Plagiarism Detector" - Bugs\Errors\Crashes / Footnotes not extracted problem.
« Last post by Alexei B. on May 16, 2014, 01:55:13 PM »
We have received several requests regarding references in the footnotes of the docX documents not being detected.

The problem is this: text from footnotes is not extracted. It is easy to check - no links that are present in the footnotes, are present in the report. We can do nothing here, since even Microsoft iFilters don't do this.

We recommend adding all the links from footnotes in the end of the document as text. For example as a list of used resources. In this case it will work just fine (remember to have URL-references enables in the program).

I hope it helps.
Versions - Release History / PDC core version 844 - new major update
« Last post by Mike Sanders on April 13, 2014, 10:44:43 PM »
Plagiarism Detector major update with core version 844:


01. Added failed resources number warning to reports.
02. Added "close" instead "goto tray" setting in application settings, allowing to shutdown on close.
03. Folder Check is a bit faster now.
04. Added column-sorting feature in Report Selector per client's request.
05. Portable Plagiarism Detector now has its own Originality Report storage on the same USB Flash drive.
06. Revised Proxy connection testing.


01. PDAS subscription capacity problem
02. DOCX loading if lockced by open Word application does not extract text.
03. Default Parser for Docx - changed to tackle Wiki-to-MS-word copy-paste problem.
04. Made Reports Selector load reports much faster.
05. Portable activation fixed.
06. Fixed "check stop" at PDAS if at least one document fails.
07. Tray icon dispersals correctly at shutdown.
08. Multiple fixes for Report Loader.
09. Second instance launch fixed.
10. Corrected Report Graph at program resize\minimize.
11. Correct check time for each document.
12. Fixed "Splash-creen On-Top problem" preventing from correct Proxy configuration.
Plagiarism Detector gas moved to Mantis Bug-tracking system, that boosted bug-resolution and
general development.
We are highly looking towards your feedback!
Dear Sir,

I have contacted our RnD and they promptly responded with a little update.

Please install and try out the following:
(this will be soon released as an update)

Core version is 839.

This must work without a pre-start freeze.
"Local check" contained a bug (some debug source code) that resulted in a freeze before the
actual check started. In this update this code is completely removed, thus making this stage must faster.

The bug itself was an accumulative one - more files, more freeze. The less performing machine - the more freeze time.
The less RAM - the more freeze time.

We have tested in against 11000 sources vs 1 single file case,
with resulting check ETA = 14 minutes. On a relatively powerful desktop with HDD Drive.
Looking forward to your feedback!
Several point covered that you may find useful:

1. "I am trying to compare a document against a rather large directory of other word documents." - we strongly advise to try out our product PDAS ( It was developed to resolve your particular task - comparison to large amount of documents in minimal time.

The difference between two methods is the following:

- "Folder Check" in PDC alway takes linear time e.g.:

  • 1000 documents :: 10 minutes
  • 2000 documents :: 20 minutes
  • 3000 documents :: 30 minutes

- PDAS (Plagiarism Detector Accumulator Server) check will be around minimal, fixed time irrespective the number of documents in the Database e.g.:

  • 1000 documents :: 10 seconds
  • 2000 documents :: 10,2 seconds
  • 3000 documents :: 10,4 seconds

02. "The system locks up every time" - could you specify the exact moment this happens?
I've already sent your complaint to our RnD dpt so that will look into this.

03. "I need to know what the directory size limits are?"
At the moment there exists no limits. PDC recursively locates all the files within the target folder and starts comparison in "one-by-one" manner
aggregating the results. Putting it shortly PDC will check ALL found files.

04. "How many documents can this system compare a document against?" As many as you need. The time will grow in a linear manner though. Using PDAS is strongly advised.
Feel free to as any additional questions!
Comparison to a folder was always considered more as a feature, then primary function. For a big part that is because such a check has to take much time.
To compare against a big document storage, we recommend using PDAS (Plagiarism Detector Accumulator Server), that is specifically created to check against a database, containing thousands of documents, and does it much faster.

So it was a surprise to us, that some customers started using the Folder comparison in such a way, and we never really tested this feature with such big packs of files, nor we created it for the task.

I will definitely ask our RnD to have a look into it.

May I ask you for some info on the computer specifications, such as the CPU and amount of RAM your computer has? It can be helpful. Same as what number of documents are you trying to check against.
I just purchased a pro license of this tool, but am having issues.  I am trying to compare a document against a rather large directory of other word documents.  The system locks up every time.  I need to know what the directory size limits are?  ie how many documents can this system compare a document against?  1000 files, 5000 files, 50,000 files???

Versions - Release History / PDC core version 838 - minor update
« Last post by Alexei B. on March 22, 2014, 02:34:39 PM »
- Fixed an error with a document loading failure in Demo version
- Compare a document to a folder of documents now compares with all the documents in a folder and all sub-folders
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