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report count (with pdf)
27126 reports
( Participation 529 Orgs )
report count
86873 reports
( compared to the privious fiscal year + 18236 reports )
( Participation 1726 Orgs )
site summary count
135830 reports
( compared to the privious fiscal year + 4673 reports )
video count
348 reports
( compared to the privious fiscal year + 348 reports )
( Participation 35 Orgs )
文化財イベント件数
487 reports
( compared to the privious fiscal year + 72 reports )
※過去開催分含む

Number of Archaeological Site Reports by Prefectures

In the process of creating the Word Map, if there are not enough archaeological site reports (PDF format) from individual prefectures, the Word Map is not created. This is due to the fact that we want to avoid results affected by the statistical bias. Therefore, the Word Map is only created if the archaeological site reports that are in the PDF format (Report Type a01from Comprehensive Database of architectural site) has more than 300 site. Bulletin articles and materials from field briefings, are not included in the number of site reports.

All 24002
Hokkaido Prefecture181 Ibaraki Prefecture797 Niigata Prefecture375 Gifu Prefecture228 Shiga Prefecture260 Tottori Prefecture332 Tokushima Prefecture114 Fukuoka Prefecture1637
Aomori Prefecture347 Tochigi Prefecture116 Toyama Prefecture859 Shizuoka Prefecture473 Kyoto Prefecture307 Shimane Prefecture1185 Kagawa Prefecture642 Saga Prefecture150
Iwate Prefecture616 Gumma Prefecture566 Ishikawa Prefecture148 Aichi Prefecture309 Osaka Prefecture1792 Okayama Prefecture556 Ehime Prefecture188 Nagasaki Prefecture349
Miyagi Prefecture1094 Saitama Prefecture262 Fukui Prefecture13 Mie Prefecture595 Hyogo Prefecture634 Hiroshima Prefecture215 Kochi Prefecture384 Kumamoto Prefecture326
Akita Prefecture604 Chiba Prefecture226 Yamanashi Prefecture985 Nara Prefecture654 Yamaguchi Prefecture15 Oita Prefecture68
Yamagata Prefecture686 Tokyo Metropolis40 Nagano Prefecture2619 Wakayama Prefecture90 Miyazaki Prefecture1219
Fukushima Prefecture78 Kanagawa Prefecture41 Kagoshima Prefecture470
Okinawa Prefecture157

Site report Word Map-Shimane Prefecture(A Charted Overview of Frequent key words)

Papers listed in Comprehensive Database of Archaeological site reports in Japan has been subdivided into individual prefectures, where the archaeological key terms have been analysed and have been visualized as a figure.

Colour-coded Types of the key terms
Pink: Terms related to artefacts, Yellow: Terms related to the archaeological remains, Light blue: Other
* Depending on the key terms chosen there could be a slight change in the chosen category.
Created at 2021-01-16

Site report Word Map-Shimane Prefecture

Archaeological key words in the site reports from Comprehensive Database of Archaeological site reports in Japan have also been analysed and subdivided into individual prefectures. Key terms that are coming up in one prefecture but not in others shows us the uniqueness in the individual prefectures, and key terms that forms the archaeology in the separate prefectures.
Vector space model from Natural Language processing that combines TF (term frequency) and IDF(Inverse Document Frequency) to make TF-IDF was used to create this model. Numerical value used in the graph shows the quantity of the featured characteristics.

Colour-coded Types of the key terms
Pink: Terms related to artefacts, Yellow: Terms related to the archaeological remains, Light blue: Other
* Depending on the key terms chosen there could be a slight change in the chosen category.
Created at 2021-01-16
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