(last modified on 2017.9.15)
■ Guides and maps
How to use UTokyo OPAC
■ UTokyo OPAC top page
Books and journals can be searched by the University of Tokyo OPAC (Online Public-Access Catalog).
*Search by selecting the "UTokyo OPAC" tab.
Example: (see: Advanced keyword techniques)
- 21世紀公共哲学 ←Partial titles can be used for searches.
- am j sociol ←Abbreviated journal titles can be used for searches.
*Clicking on other tabs will allow searches through external databases (Other Univ., CiNii Articles, etc.), but be aware that search rules differ from those for OPAC.
 Entrance to MyOPAC
This links to the login page for MyOPAC.
Logging in to MyOPAC provides access to many services.
→see: How to use MyOPAC
 ASK Service
You can submit a question through ASK Service from this menu. You'll receive a response from a library via e-mail.
 New Books List
New Books List is displayed for the General Library, the Komaba Library, the Kashiwa Library, and many department libraries.
This menu links to GACoS, a gateway to search for documents and other academic information over the internet. Databases are available outside the campus via SSL-VPN Gateway and Authentication Gateway Service with UTokyo Account. For more information, see
⇒Online services available from outside the campus
 Search Articles (TREE)
TREE (UTokyo REsource Explorer) is a service where you can search for academic information through one search bar. You can search for paper materials and electronic copies, as well as books and articles at once on TREE.
TREE’s scope is databases/electronic journals that UTokyo has subscriptions.
 Other Univ.
Selecting "Other Univ." tab, you can search other books and journals held by other universities in Japan. CiNii Books database is used for the search.
 CiNii Articles
CiNii Articles is a database which covers all fields of Japanese academic papers provided by National Insitute of Informatics.
For precise information, see
JAIRO provides cross-search for academic information stored in the institutional repositories in Japan.
pages for book purchase
 E-JOURNAL PORTAL
E-JOURNAL PORTAL provides search for e-journals and e-books subscribed by UTokyo.
WorldCat is a global catalog of library collections brought by OCLC.
 Advanced [search]
Click "Advanced" to perform advanced search.
 Document Type
Searches can be refined by specifying document type.
Putting checkmarks in "Books" or "Journals" will allow searches of both Japanese and English language books or journals.
Searches can be refined by specifying campus or the library.
 Search Field
Searches can be made with search fields such as "Title," "Author," and "Publisher."
Be aware of input rules when using search fields other than "Any (keyword)."
- When using "Any (keyword)" fields, searches can be made with partial keywords.
Example: "ame j sociol" would bring up The American Journal of Sociology.
- For other search fields, partial words will not be recognized in searches.
Example: A search could not be made for "ame j sociol" using "Title words" fields.
Searching for "american journal sociology" would bring up the American Journal of Sociology.
How to search using partial keywords? →see: Truncation (Prefix Matching)
 Boolean Operations
To use multiple fields for search terms, select boolean operators (AND, OR, NOT) from the pull down menu.
- Selecting "AND" will search for documents containing both the words placed before and after "AND."
To perform an "AND" search in a single field, place a space between the two words.
- Selecting "OR" will search for documents containing one or the other of the words placed before and after "OR."
To perform an "OR" search in a single field, place a "+" between the two words. A space must be inserted before and after the "+."
- Selecting "NOT" will exclude documents containing the word after "NOT" from the search.
To perform a "NOT" search in a single field, place a "-" between the two words. A space must be inserted before and after the "-."
- If "AND, OR, NOT " is selected from the pull down menu and three fields are used, boolean operations will be given priority from the top down.
When using multiple boolean operations in one field, the operation placed in parenthesis "( )" will be given priority.
 Sort / Ascending or Descending order
Display order of search results (title, author, year, publisher, relevance) can be set to ascending or descending order.
 Number of results displayed
You can set the number of search results displayed on one page.
 Search Option
Conditions such as year, country, and language can be specified.
 Return to UTokyo OPAC
Click on the logo in the upper-left corner of the page to return to UTokyo OPAC.
Advanced keyword techniques
■ General rule
- Letters can be entered in either uppercase or lowercase (such as ABC, abc, or Abc).
- Symbols (such as "・" " $ " " % ") are treated as stopwords and ignored as search terms. You cannot search using symbols only.
- Articles (such as A An The Le La Les) are treated as stopwords and ignored as search terms. You cannot search using articles only.
- Marks such as umlauts or accent aigu are not recognized.
■ Title, Series name
You can search using full or partial title or series name, using kanji characters or their Japanese pronunciation. All characters can be used.
* Kanji, Hiragana, Katakana, the Roman alphabet, full-width Cyrillic alphabet, full-width Greek alphabet, etc.
"OK" a midsummer night's dream
"OK" midsummer dream
■ Author, Editor
- You can search using full or partial author or editor name, using kanji characters or their Japanese phonetic renderings
- No space is necessary between names and surnames in Japanese. Adding a space will result in an "AND" search.
- Names are typed in using the original spelling in principle. Some translated books can be searched using their Japanese phonetic renderings.
"OK" Searching for 小沢俊夫 will bring up 小沢俊夫 and 小澤俊夫.
"Sometimes OK" Searching for 山田 太郎 would, in addition to 山田太郎, bring up a book coauthored by 山田花子 and 鈴木太郎.
"Sometimes OK" シェイクスピア
Please type the full name of publisher. （⇒see: Right-hand truncation (Prefix Matching)）
You can not search the name of publisher using their Japanese phonetic renderings.
"OK" oxford university press
■ Exact match
- To use exact match, place the symbol # before keywords.
- Be sure to type in the keywords after # without adding a space.
#the tale of genji
The result is limited to [the tale of genji], when you enter the words shown as an example.
■ Phrase searching
- To use phrase searching, enclose the phrase in quotation marks.
"tale of genji"
You can search [The tale of genji], [Cultures of reading the tale of genji] and [The hidden tale of genji], by entering the words shown as an example.
■ Right-hand truncation (Prefix Matching)
- To use right-hand truncation, place the symbol * after keywords.
- Be sure to type the symbol * after keywords without adding a space.
- Right-hand truncation is available for inflection, plurals, publication year, etc.
You can search [community] and [communism] by entering the words shown as an example.
Placing an order for book reservation, photocopies, and delivery
■ The OPAC search results screen (for paper journals and books)
Search results can be exported to citation tools such as RefWorks, EndNote, and Mendeley.
Check the "Location" and "Volumes" to see which volumes and issues of the journal are available. Click Copy button or PDF button to request copy or pdf of journals!
*When logging into MyOPAC from the top of the OPAC screen, buttons will be displayed.
You can place a delivery request for the holdings of libraries in other campuses by clicking Reserve button. If it is listed as "On Loan," you can also make a reservation for the materials with the Reserve button.
Click Copy button or PDF button to request copy or pdf of books!
*When logging into MyOPAC from the top of the screen, buttons will be displayed.
■ A range of methods for obtaining material
Available services vary by library. For details, consult with your department library
This mark indicates paid services.
You can reserve and request delivery/copy/pdf via MyOPAC.
■ Returning a book
If the book was borrowed from a library on a different campus, it can be returned without visiting the campus. Return the book to your department library or the campus libraries, the General Library, Komaba Library and Kashiwa library, then the book would be returned to the library where it belongs.
* If you and the library where the borrowed book belongs are at the same campus, please go to return the book directly.
■ How to extend the loan period
Please return books before they become overdue. If you would like to borrow the books longer, the loan periods can be extended if the books are not yet overdue.
* There are cases when the loan period cannot be extended:
- Another person has a reservation placed on the book;
- The book is already overdue;
- The number of possible loan extensions has been exceeded;
Any of the methods below can be used to extend the loan period.
- Log in to MyOPAC and follow the process from the "Status of Lending/Reservation" within the "MyOPAC Service" menu.
- You can ask loan extension at the counter of the library from which you borrowed the book.
■ Making a request for library purchase of the book
If the book you need is not found at the library, you can make a request for library purchase of the book.
The request for a book will be considered by the library to which the request is made.
If you make the request through MyOPAC
the processing status of the request can be viewed on the MyOPAC page.
Any of the methods below can be used to make a request for library purchase.
- Log in to MyOPAC, and make the request from the "Books Request" within the "MyOPAC Service" menu.
- Log in to MyOPAC through the link displayed when no search results are found using UTokyo OPAC.
- Making a library purchase request at the department library counter.
For those with a faculty account, requests can be made through the
For details, inquire at your department library
■ Searching other universities' holdings
If the University of Tokyo Library doesn't have the books or journals you need, search other universities' holdings.
Switch the tab to "Other Univ.", now books and journals held by other universities can be searched.
(Search rules differ from those of UTokyo OPAC. When using abbreviations, you need 2 or more letters and suffix *. Example: ame* jour* sociol*)
If the document is located at another university, a "Copy/Borrow from other univ." link will be displayed on the search results page.
How to use MyOPAC
■ Login / logout
There are links to the MyOPAC log-in
page on the OPAC page.
You can log in to MyOPAC from off-campus as well.
Log in with your UTokyo Account, and the MyOPAC page will open.
Please use library account if you do not have UTokyo Account.
Please enable cookies in your Web browser settings.
*If you are experiencing difficulty with logging in, please consult with your department library
*→see: Change Password -- Help
*When finished using MyOPAC, be sure to click "MyOPAC Logout" at the upper-right corner of the MyOPAC page to log out. And click on the red X icon at the top-right of the screen to close the browser.
■ The MyOPAC service menu
By logging into MyOPAC, the following services become available:
- OPAC searches: By using OPAC while logged in, books located in your home campus are listed first,
and a button for requesting delivery is displayed. →see: The OPAC search results screen (for paper journals and books)
- Check status of loan/reservation: You can check reservation status, or extend the lending period of currently borrowed books.
→see: How to extend the loan period
From "Check lending/return history" tab, you can check lending/return history in the last year (after July 21, 2016).
To set e-mail reminders of due dates, see "Mail Sending setting" tab.
- Delivery request service: From OPAC or 'Other Univ.' tab on search results,
you can make requests for delivery or photocopies of books in other libraries (including other institutions) or view PDF files.
You can also check the processing status of your request. →see: A range of methods for obtaining material
- Book purchase requests:
→see: Making a request for library purchase of the book
- Password change (for library account), e-mail address change
Additionally, notices from libraries and calendars/hours of the frequently visited libraries can be displayed.
Bookmarks can be made to save OPAC search results as links.
■ How to use MyOPAC
 OPAC searches
You can input keywords to OPAC search box.
When searching OPAC from here, a request button such as "Reserve" and "Copy" will be displayed on the search results page.
→see: The OPAC search results screen (for paper journals and books)
Clicking the "Advanced Search" link opens the OPAC advanced search page.
 Selecting a counter
Selecting the frequently-used library displays calendars and notices from the library.
 Messages from the library
Messages from libraries sent to you will be displayed on MyOPAC. It may be the information such as library events, penalties being imposed, or a reserved book becoming available. Please be certain to read them.
 Links to services
To extend a lending period or perform other functions, mouseover "MyOPAC Service" and click links to the services.
Clicking on "More" will display the bookmarks list you've registered.
Clicking on "Edit" lets you edit and delete bookmarks.
There are two methods for registering bookmarks:
(1) Bookmarking OPAC search results
After logging in to MyOPAC, search with OPAC and click on "Bookmark" on the results page. Enter the necessary fields, and click on "Insert."
(2) Registering bookmarks from the bookmark page (other websites, etc.)
Click on "Edit" and "Add a Bookmark" on the bookmarks list, enter the necessary fields, and click on "Exit."
 Setting content not to be displayed
To hide irrelevant contents, place the mouse over the title of contents and click the "X." (Some content cannot be hidden.)
To use the default menu, click on "Set Default."