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report count (with pdf)
22871 reports
( Participation 434 Orgs )
report count
35125 reports
( compared to the privious fiscal year + 13976 reports )
( Participation 661 Orgs )
site summary count
63521 reports
( compared to the privious fiscal year + 27065 reports )


From general users

Why is there an imbalance in the number of the registered archaeological site reports depending on prefecture?
The reports currently registered are mainly composed of those published by the prefectures in which are located the 21 national universities that participated in the Project on Repository of Archaeological Reports in Japan, the former Comprehensive Database of Archaeological Site Reports in Japan. This has resulted in the numerical imbalance. In future, however, we expect that further municipalities, the main publishers of archaeological excavation reports, will increasingly participate in the project, and that the registration/publication of reports by the prefectures will expand nationwide.
Some old reports seem not to be registered. Why?
Some archaeological excavation reports published in the past have not yet been digitized. Due to costs associated with newly digitizing the bookbound reports, some old reports have not been registered.
How it is difference from “the Repository of Archaeological Reports in Japan” that was once used in the past?
The Comprehensive Database of Archaeological Site Reports in Japan consolidates and integrates the data of archaeological excavation reports previously held in different collections all over the country. Due to this, perspicuity has been enhanced, and the full-text search function is more effective.
Some reports seem not applicable to full-text search. Why?
The PDF files currently being registered are mixed with those digitized through the Project on Repository of Archaeological Reports in Japan and those digitized independently by publishing municipalities. The former allow full-text search, because they have already been subject to OCR text processing; on the other hand, the latter may contain files that do not support full-text search. Additionally, some proper nouns in the archaeological excavation reports and/or unrecognized split words or sentences may not be searched properly due to recognition errors, because a part of them depend on OCR accuracy.
Are the data contained in the database composed only of archaeological excavation reports on buried cultural property?
The main contents of the Comprehensive Database of Archaeological Site Reports in Japan are archaeological excavation reports. However, depending on the judgment of publication organizations/institutions, some related data and documents have been additionally registered.
Who should I contact to make an inquiry about the contents of an archaeological site report?
For detailed information such as the contents of each individual report published, please contact the organization/institution that published it. However, with regard to typographical and transcription errors found in the data displayed on the compendium window, please ask [Contact] listed below.
Some reports do not show the image of the front cover. Why?
Immediately after registration into the compendium, no front cover image appears on the display. Generally, the image is supposed to appear on the day following registration.
Through this database, can I find places available to browse the non-digitized reports?
If the ID has been entered into the “NCID” column on the detailed information window of the Comprehensive Database of Archaeological Site Reports in Japan, then, by using this ID as a key, you can confirm the holdings conditions of the non-digitized reports of universities nationwide through CiNii Books. In addition, you can use the NDL Search to confirm the holdings conditions of the non-digitized reports of the National Diet Library and other public libraries nationwide; however, there is currently no direct linkage between the NDL Search and this database system.
I wish to use the descriptions and images contained in an archaeological site report. Should I apply for permission?
You do not need to apply for permission regardless of the purpose, as far as the use is settled within the allowable range of the Copyright Act. If you wish to use the descriptions in excess of the general quotation range, you have to individually inquire each municipality/institution that published the works to obtain their permission. The same should apply to the images as well. For further inquiries please contact each municipality/institution to confirm it.
Why image quality of printouts of archaeological excavation reports is so poor?
Some archaeological excavation reports contain many color photos, maps, etc., and their original file size is extremely large. Accordingly, such files are compressed to reduce server load, causing poor image quality.
Can I link your website to mine?
Yes, you can without restriction.
I cannot open PDF files. Why?
You need a PDF reader software to browse PDF files. Download Adobe free software such as Adobe Reader to open the files. In case there is any PDF file unusable due to damage or other causes, please email “Contact” informing so with the title and URL info of the damaged report. Incidentally, some of the contents taken over from the former Project on Repository of Archaeological Reports in Japan are provided in Microsoft Excel, etc. formats.