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report count (with pdf)
28359 reports
( Participation 556 Orgs )
report count
88901 reports
( compared to the privious fiscal year + 863 reports )
( Participation 1740 Orgs )
site summary count
136884 reports
( compared to the privious fiscal year + 1224 reports )
現在の文化財論文件数
14670 reports
( compared to the privious fiscal year + 13853 reports )
video count
449 reports
( compared to the privious fiscal year + 39 reports )
( Participation 50 Orgs )
文化財イベント件数
517 reports
( compared to the privious fiscal year + 9 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 24718
Hokkaido Prefecture350 Ibaraki Prefecture802 Niigata Prefecture386 Gifu Prefecture235 Shiga Prefecture260 Tottori Prefecture332 Tokushima Prefecture115 Fukuoka Prefecture1739
Aomori Prefecture376 Tochigi Prefecture135 Toyama Prefecture865 Shizuoka Prefecture488 Kyoto Prefecture342 Shimane Prefecture1196 Kagawa Prefecture651 Saga Prefecture151
Iwate Prefecture657 Gumma Prefecture637 Ishikawa Prefecture160 Aichi Prefecture317 Osaka Prefecture1796 Okayama Prefecture556 Ehime Prefecture211 Nagasaki Prefecture356
Miyagi Prefecture1101 Saitama Prefecture262 Fukui Prefecture14 Mie Prefecture602 Hyogo Prefecture637 Hiroshima Prefecture228 Kochi Prefecture385 Kumamoto Prefecture332
Akita Prefecture606 Chiba Prefecture232 Yamanashi Prefecture986 Nara Prefecture671 Yamaguchi Prefecture16 Oita Prefecture75
Yamagata Prefecture689 Tokyo Metropolis40 Nagano Prefecture2625 Wakayama Prefecture90 Miyazaki Prefecture1224
Fukushima Prefecture116 Kanagawa Prefecture41 Kagoshima Prefecture472
Okinawa Prefecture161

Site report Word Map-Okayama 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 2021-05-15

Site report Word Map-Okayama 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 2021-05-15
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