Rather that typing a long sentence, enter something like 'document separator'. This will return all the articles with the words 'document' or the word 'separator' in the title or keyword list.
There are many ways to improve quality, however the cleaner the source, the better and less intensive the extraction process will be. Our products contain a set of filters (such as despeckling, skewing, etc) that can help clean up a document, but again, it is always best to start at the s
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