GACoS  Gateway to Academic Contents SystemUTokyo logo

GACoS is a gateway to search for documents and other academic information over the internet. It can be used to support your research activity. Japanese

For the most recent news, please refer to the Japanese page.
Trial of "NetLibrary" Japanese ebooks (until September 7, 2015)NEW
"美術新報 (Bijutsu Shinpo)" is now available (2015.7.22)NEW
Temporary suspension of databases provided by ProQuest(2015.7.22)NEW
Temporary suspension of SSL-VPNgateway and Authentication Gateway(2015.7.21)NEW
"ProQuest Historical Newspapers: Chinese Newspaper Collection" and other databases are now available. (2015.7.3)NEW
Trial of "Science of Synthesis" (until August 31, 2015)
IE 8's support will end on IEEE database. (June 9, 2015)
Trial of "Edward Elgar E-Book Collection" (until August 10, 2015)
URL of "Nikkei Telecom 21" has changed (2015.5.18)
Images of Wanli Tripitaka are available for traial use. (2015.4.10)
"Journal Citation Reports" is updated. "InCites"and "Essential Science Indicators"are now available. (2015.4.6)
"Pure"(former "SciVal Experts") is now available (2015.4.1)
Warning! Users are reminded to respect the terms and conditions of use of E-journal (2014.7.30)
TREE is unavailable via Off-Campus Access Services (2014.6.12)
Previous informations

Litetopi Mail Magazine
Back Number (in Japanese)
Apply for subsription (in Japanese)

Twitter @gacos_utokyo
Find Database
This portal site features links to the databases available at the University of Tokyo, and to internet sites providing valuable scientific information.
Source Type Subject
Source Language
Access to full text
Linked full text
Campus Only / Free Access

Browse by Database Name

Quick Link to Database
*means "Campus Only"
TREE (UTokyo REsource Explorer)*
e-book (electronic books)*
Webcat Plus
CiNii Articles*
CiNii Books
Web of Science Core Collection*
JapanKnowledge Lib*
From outside the campus
About "SSL-VPN Gateway Service" or "Authentication Gateway Service"
SSL-VPN Gateway sign-in page
Authentication Gateway Service
Available online services from off-campus (campus only)

Online services available from outside the campus
Using computers at the University of Tokyo
Connecting your own PC to the network
How to use RefWorks
How to use EndNote Web
The University of Tokyo
Information Technology Center
Educational Campuswide Computing System (ECCS)
UTokyo Library System

Copyright(C)2005 Academic Information Literacy Section, Information Technology Group, the University of Tokyo All Rights Reserved
Copyright / Link