Tham khảo tài liệu 'scientific writing - a reader and writer's guide - j lebrun (world 2007) episode 10', kỹ thuật - công nghệ, cơ khí - chế tạo máy phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | 168 Scientific Writing A Reader and Writer s Guide Furthermore you are often asked to assign your copyright to the journal in which case the reproduction rights of your article no longer belong to you. Copying large chunks of your past publications including visuals would constitute a breach of copyright unless it is authorised. All publishers have someone dealing with permissions. I had to send countless e-mails and faxes to receive the permission to quote the examples used in this book. Some publishers responded promptly while others took more than a month. Some publishers allow you in their contract to republish your article in whole or in parts for example on your website but there are always restrictions. To retain more rights some writers pay a publication fee about US 1500 per article in 2007 to publish in open access journals. The added advantage is that open access articles appear to be cited more often see http . The lure and anonymity of the web may be so tempting that sentences even visuals get copied here and there. However free or open access does not imply free right of use for everyone. Sometimes data text corpora photos and video frames may be available online to allow researchers to benchmark their algorithms but unless permission to reproduce is granted by the owners of the benchmark copying these in their original form is not legal even in situations where you copy only part of the data or image. Quoting is good practice. Adding quotes shows that you have read the papers you refer to or compare. When you give credit where credit is due you have everything to gain and nothing to lose. Science is the fruit of collective work. Quoting scientists who have been published particularly if they are well respected adds credibility to your own work. It makes your work more authoritative. If you do not share their views quoting what you object to cannot be disputed. You do not interpret you cite. Introduction Part .