We made functional improvements in CiNii Articles on July 2nd, 2014 as follows;
adding of textual data to Full text PDF
Full text PDF (approximately 4 million) in CiNii Articles created from scanning print products was added of textual data, so that you could do text search on PDF viewer.
*Textual data is added automatically with OCR（Optical Character Reader）. Some articles may not be added textual data depending on its circumstances. We appreciate for your understanding.
This targeted Full text search PDF is “CiNii Full text PDF” only.External link such as Institutional repository and J-STAGE is not applicable.
We hope that improved CiNii Articles Full text PDF will be useful for you.