Terms of Use for Supercomputer Systems of the Information Technology Center, the University of Tokyo
Enacted on September 14, 2004
Revised on March 14, 2006
Revised on March 5, 2007
Revised on September 11, 2007
Revised on September 10, 2008
Revised on July 21, 2009
Revised on October 12, 2010
Revised on November 25, 2011
Revised on January 30, 2012
Revised on December 27, 2012
Revised on January 9, 2014
Revised on April 1, 2016
Revised on April 21, 2016
Revised on January 16, 2017
Revised on July 28, 2017
Revised on September 27, 2017
Revised on January 23, 2018
Revised on January 10, 2019
(Objective)Article 1
These Rules set out the necessary matters pertaining to the use of supercomputer systems (hereafter,“computer systems”) managed and operated by the Information Technology Center, the University ofTokyo (hereafter, “the Center”).
(Purpose of Use)
Article 2
The use of computer systems is aimed at contributing to academic research, education, and society.
(Eligibility of Use)
Article 3
The following parties are eligible to use the computer systems.
(1) Faculty members and students of universities, technical colleges, and inter-university research
institutes.
(2) Those who are exclusively engaged in research, and who are affiliated with independentadministrative institutions under the jurisdiction of MEXT.
(3) Those who are exclusively engaged in research, and who are affiliated to institutions under thejurisdiction of the national government or local public organization, with the aim of academic researchand the promotion of learning (with the exception of those to whom items 1. and 2. are applicable).
(4) With the exception of those to whom items 1., 2. and 3. are applicable, those who are exclusively
engaged in research, and who are affiliated to institutions aimed at academic research and approvedby the Director of the Information Technology Center, the University of Tokyo (hereafter, “CenterDirector”).
(5) Those who are exclusively engaged in research, and participating in joint research with a member ofthe research project through an agreement with an institution that parties in items 1. to 4. are affiliatedwith.

(6) Those who are receiving public funds, such as Grants-in-Aid for Scientific Research, to engage inacademic research (with the exception of those to whom items 1. to 5. are applicable).
(7) Those who are affiliated with private corporations or other corporate bodies, and who have been
approved by the Center Director upon screening based on screening regulations under a separately
established committee (with the exception of those to whom item 6 is applicable).
(8) Those who are conducting research on themes screened and selected by the Research Organization
for Information Science and Technology or the Joint Usage/Research Center for Interdisciplinary
Large-scale Information Infrastructures.
(9) Apart from those to whom items 1. to 8. are applicable, those who have been approved in particularby the Center Director.
(Application for Use)
Article 4
Those who wish to use the computer systems should submit the prescribed application documents to theCenter Director Director.
(Approval for Use)
Article 5Upon acceptance of the application documents set out in the preceding article and approval by the Center
Director, a user number will be assigned to the party who has been granted approval (hereafter, “user”),
and the Notification on User Registration will be issued.
(Validity of the User Number)
Article 6
The user number in the preceding article is valid for less than one year, and is not valid beyond the fiscalyear in question.
(Prohibition of the Transfer, etc. of User Numbers)
Article 7
Users shall manage their user numbers and passwords appropriately, and do their best to prevent
unauthorized use.
2 Users shall not use their user numbers for purposes other than those prescribed in Article 2, or allow
third-parties to use them.
(Obligations of Users)
Article 8
Users shall comply with these Rules in the use of computer systems.
(Use of Facilities/Equipment, etc.)
Article 9
In using the computer systems, users may make use of the Center’s facilities, equipment, and articles
within the scope of the purpose of use set out in Article 2, with the exception of other prescribed situations.
(Notifications)
Article 10
Users shall notify the Center Director promptly in the event of any changes to the contents of theapplication in Article 4, during the validity period of the user number.
(Cancellation of Approval for Use, etc.)
Article 11
The Director of the Center may issue orders to the user to improve the method of use, in cases deemed
likely to interfere with the operation of the computer systems.

2 In cases where users or persons-in-charge of payment, as prescribed in Article 14, fail to comply with
the instructions in the preceding article, or in cases where the following items are applicable, the Center
Director may cancel the approval for use of the computer systems or suspend use of the systems by theuser in question.
(1) When the computer systems are used for purposes other than prescribed in Article 2(2) When the user loses the eligibility of use prescribed in Article 3(3) When the user fails to pay the cost of use prescribed in items 1 and 2 of Article 13(Submission of Reports, etc.)
Article 12
The Director of the Center may request users to submit a report on the process or results of the use of thecomputer systems. Users shall report to the Center Director when requested to do so.
2 When publishing the results of research, etc. based on the use of the computer systems in academic
papers or other formats, users shall state clearly in the paper, etc. that the Center was utilized as part ofthe research.
3 In principle, reports shall be released to the public, and provided for use in the Center’s publicity
materials, etc. However, disclosure of the reports may be delayed for up to two years through thesubmission of a request by the user.
4 The Center shall strictly manage users’ research data, technological data, and other information thatshould be treated as confidential information gained through reports on the use of the computer systems,
and shall not use such information for purposes other than the Center’s operations, except in cases wherewritten consent has been obtained from the user beforehand.
(Cost of Use)
Article 13
In cases where approval is granted for applications to use the computer systems, as prescribed in Article
5, the person-in-charge of payment prescribed in the following article shall pay the cost of use based onthe amounts stated in the Appendix. However, in cases approved by the Center Director for purposes ofuse prescribed in Article 2, the user may be exempted from paying all or part of the cost of use.
2 Payment of the cost of use prescribed in the preceding article shall be transferred through an internaltransaction within the University of Tokyo, or transferred to the designated bank account by the datestipulated on the invoice issued by the University of Tokyo.
3 In principle, the cost of use paid in accordance with the preceding item shall not be refunded.
(Person-in-charge of Payment)
Article 14
Users shall submit a notification to the Center Director of the person responsible for payment of the costof use (hereafter, “person-in-charge of payment”) when applying for use.
2 In cases where there is more than one person-in-charge of payment at the institution, it is possible tosubmit a separate notification on the overall person-in-charge of payment, who shall consolidate thepayments from each person-in-charge and submit the total to the Center.
(Exemption from Liability)
Article 15
While the Center does its best to provide users with the use of the computer systems, it does not bear any
responsibility and is not liable for any damage or loss incurred by users in the use of the computer systems,
or any other damage or loss incurred by users in relation to the computer systems.

(Restrictions on Use)
Article 16
The Center may suspend the operation of the computer systems without any prior notice to users.
(Auxiliary Provisions)
Article 17
In addition to the items prescribed in these Rules, the Center Director shall separately establish othernecessary items in relation to the use of the computer systems.
Supplementary Provisions
1 These Rules are effective from September 14, 2004, and are applicable from April 1, 2004.
2 Rules governing provisional measures on the use of large-scale computer systems in the Information
Technology Center of the University of Tokyo shall be abolished.
3 Those who have obtained approval for use based on the provisions of the rules governing provisional
measures on the use of large-scale computer systems in the Information Technology Center of theUniversity of Tokyo, prior to the enforcement of these Rules, shall be deemed to have obtained approval
for use based on provisions that correspond to these Rules.
Supplementary Provisions
1 These Rules are effective from April 1, 2005.
2 The provisions of the Appendix for the Use of Supercomputer System in the Information Technology
Center of the University of Tokyo after revision based on these rules, shall also be applicable in cases
where approval for use has been obtained prior to the enforcement of these Rules.
Supplementary Provisions
These Rules are effective from April 1, 2006.
Supplementary Provisions
These Rules are effective from April 1, 2007.
Supplementary Provisions
These Rules are effective from September 11, 2007.
Supplementary Provisions
These Rules are effective from September 10, 2008.
Supplementary Provisions
These Rules are effective from July 21, 2009.
Supplementary Provisions
These Rules are effective from October 12, 2010.
Supplementary Provisions
These Rules are effective from November 25, 2011.
Supplementary Provisions
These Rules are effective from April 1, 2012.
Supplementary Provisions
These Rules are effective from December 27, 2012.
Supplementary Provisions
These Rules are effective from April 1, 2014.
Supplementary Provisions
These Rules are effective from April 1, 2016.
Supplementary Provisions
These Rules are effective from April 21, 2016.

Supplementary Provisions
These Rules are effective from April 1, 2017.
Supplementary ProvisionsThese Rules are effective from July 28, 2017.
Supplementary Provisions
These Rules are effective from October 31, 2017.
Supplementary Provisions
These Rules are effective from April 1, 2018.
Supplementary Provisions
These Rules are effective from April 1, 2019.

Appendix 1 (Related to Article 13)
Prices for the Use of Integrated Supercomputer System for Data Analyses & Scientific Simulations
Appendix 2 (Related to Article 13)
Prices for the Use of Integrated Supercomputer System for Data Analyses & Scientific Simulations byMonth
Appendix 3 (Related to Article 13)
Prices for the Use of the Manycore-based Large-scale Supercomputer System
Appendix 4 (Related to Article 13)
Prices for the Use of the Manycore-based Large-scale Supercomputer System by Month
Appendix 5 (Related to Article 13)
Conversion Table for Node-Hour Product and Consumption Coefficient Changeover Point for Token
Transfers