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    Terms of Use

    Article 1 (Purpose)


    The purpose of these Terms is to promise and stipulate the necessary matters concerning the conditions and procedures for using the information service between Dacon Corporation (hereinafter referred to as the "Company") and the "Member". "The Member must agree to all of the Terms, and use of the Service in any manner implies that the Member agrees to all of these Terms, and these Terms shall remain in effect for the duration of the Member's use of the Service. These Terms include the provisions of the Copyright Dispute Policy.



    Article 2 (Definitions of Terms)


    The definitions of the terms used in this Agreement are as follows.


    1."Site" refers to a virtual business location or the following website operated by the "Company" that the "Company" establishes using information and communication facilities such as computers to provide services to "Members".


     A. ***.dacon.io


    2. "Service" refers to all services provided by the site, such as "competition", "education", "talent pool registration", etc. In addition, it includes the service of providing information by classifying, processing, and aggregating the data registered by individuals through the site operated by the "Company" in a DB for each purpose.


    3. "Individual Member" refers to an individual who agrees to these Terms and Conditions and concludes a use contract with the Company in order to use the Service.


    4. "Talent Member" refers to an individual member who has shared his/her personal information, projects, codes, etc. in order to use the "Dacon Talent Pool Service" and has agreed to provide personal information, projects, codes, etc. to the recruitment requesting "Corporate Member".


    5. "Corporate Member" refers to an individual or legal entity that has signed a contract with the Company to request the Company to organize a competition or to use a recruitment referral service.


    6. "Hackathon" refers to an event in which an "individual member" submits AI code to a problem posted on the "Site" by the "Company", and the "Company" evaluates it and selects the best work.


    7. "Competition" refers to a contest or hackathon, AI hackathon, AI contest, etc. in which a corporate member requests the Company to recruit personnel or crowdsource solutions.


    8. "Education" refers to online/offline educational services including educational contents provided by Dacon.


    9. "ID" refers to the email address used by the Member at the time of registration to identify the Member and use the Member's services.


    10. "Password" refers to a combination of letters and numbers selected by the "Member" to confirm that the person who intends to use the services of the "Company" is the same as the person assigned the ID and to protect the rights and interests of the "Member", or an authentication code automatically generated by the "Site" used for the same purpose.



    Article 3 (Effectiveness and Change)


    These Terms and Conditions shall take effect by disclosing them to "Members" online.


    1. The "Company" shall post the contents of these Terms and Conditions, business name, location of business office, name of representative, business license number, contact information, etc. on the initial screen or otherwise notify the "Member" so that the "Member" can know.


    2. The "Company" may amend these Terms and Conditions to the extent that they do not violate relevant laws such as the Act on Regulation of Terms and Conditions, the Telecommunications Basic Act, the Telecommunications Business Act, the Act on Promotion of Information and Communications Network Utilization, the Act on Consumer Protection in Electronic Commerce, the Electronic Documents and Electronic Transactions Basic Act, the Electronic Financial Transactions Act, the Electronic Signature Act, the Consumer Basic Act, and the Personal Information Protection Act.


    3. When there is an important reason for the Company's business or a reason for change under related laws, the Terms and Conditions may be changed, and if the Terms and Conditions are revised, the date of application and the reason for revision shall be specified and notified on the public notice board of the Company's website together with the current Terms and Conditions from 7 days before the effective date to the day before the effective date.


    4. "Member" has the right to refuse the changed terms and conditions. The "Member" may express his/her refusal within 15 days after the changed terms are announced. If the "Member" refuses, the "Company", the service provider, may terminate the contract with the "Member" after prior notice to the "Member" by setting a period of 15 days. If the "Member" does not express a refusal or uses the "Service" after the effective date in accordance with the preceding paragraph, it shall be deemed to have agreed.



    Article 4 (Interpretation of Terms)


    1. Matters not provided for in these Terms and Conditions shall be governed by the Act on Regulation of Terms and Conditions, the Telecommunications Basic Act, the Telecommunications Business Act, the Act on Promotion of Information and Communications Network Utilization, the Act on Consumer Protection in Electronic Commerce, the Electronic Documents and Electronic Transactions Act, the Electronic Financial Transactions Act, the Electronic Signature Act, and the Consumer Basic Act.


    2. If the "Member" concludes an individual contract with the "Company" to use the service, the individual contract shall prevail.



    Article 5 (Establishment of Use Agreement)


    1. After the "Member" completes the application for use (membership application), the use contract is established by the "Company" notifying the "Member" of the instructions on the web.


    2. The "Company" shall consider an application for service use when a person who intends to use the "Dacon Talent Pool Registration" service of the "Company" reads these Terms and Conditions and the Privacy Policy and presses the "Agree" or "Submit" button.


    3. In applying for Paragraph 2, the "Company" may request real name verification and identity verification through a professional organization depending on the type of "Member". The "Member" shall provide the name, date of birth, contact information, etc. required for identification.


    4. When applying for a use contract through linkage with external services such as Facebook, the use contract is established by pressing the "Agree" or "Confirm" button when the "Company" accesses and utilizes the "Member's" external service account information for the purpose of providing these Terms and Conditions, the Privacy Policy, and the service, and the "Company" notifies the "Member" through web guidance and e-mail.


    5. After the establishment of the use contract, the "Member" may not arbitrarily change the member ID without the consent of the Company.


    6. Violation of the terms and conditions and laws may result in restrictions on the use of the service by the "Member".



    Article 6 (Personal Information)


    1. The personal information of "Individual Members" and "Talent Members" shall be protected in accordance with the relevant laws and regulations and these Terms and Conditions.


    2. The "Company" may collect information provided and produced by "Individual Members" and "Talent Members" while using the "Service" for the smooth fulfillment of the use contract and the Service.


    3. "Individual Members" and "Talent Members" may withdraw their consent to the collection and use of personal information provided to the Service at any time. However, in that case, the use of the Service may be limited to a certain extent.



    Article 7 (Contents and Use of Services)


    1. The "Company" provides the services specified in Article 2, Paragraph 2, and the example service contents are as follows.


     A. Competitions


     B. Education


     C. Education Talent pool registration service


     D. Education services related to career development and competitions


     E. Any other services that the "Company" further develops or provides to "Members" through partnership agreements, etc.


    2. The "Company" may add or change the contents of the service if necessary. However, in this case, the "Company" shall notify the "Member" of the addition or change.


    3. The use of the service shall be provided 24 hours a day, 7 days a week, 365 days a year, unless there is a special obstacle due to the business or technical reasons of the "Company". However, exceptions shall be made when force majeure occurs on the day or time specified by the "Company" due to the need for regular maintenance of the system.



    Article 8 (Disclosure of Member Information)


    1. The "Company" shall provide the personal information provided by the "Talent Member" when registering for the "Dacon Talent Pool" to the "Corporate Member" (recruiting company) without separate processing or modification.


    2. The "Company" considers that the "Talent Member" has agreed to view the personal information of the "Corporate Member" when the "Corporate Member" uses the service of "Dacon Talent Pool Registration", and the "Company" may provide resume viewing services to these "Corporate Members" for free or for a fee.


    3. The "Company" may allow the "Site" operator to view the "Dacon Talent Pool Registration" information for testing and monitoring purposes in order to provide stable services.



    Article 9 (Purchase Application and Consent to Provide Personal Information)


    1. The "Member" shall apply for purchase on the "Site" by the following or similar methods, and the "Company" shall provide each of the following contents in an easy-to-understand manner when the user applies for purchase.


     A. Search and selection of goods and services, etc.


     B. Entering the member's name, address, telephone number, e-mail address (or mobile phone number), etc.


     C. Confirmation of the contents related to the cost burden, such as the contents of the terms and conditions and the services where the right to withdraw the subscription is limited


     D. Indication (e.g., mouse click) of acceptance of these Terms and Conditions and confirmation or rejection of items C. above


     E. Application for purchase of goods and services, etc. and confirmation thereof or agreement to confirmation of the Site


     F. Selecting a payment method


    2. If the Site needs to provide the Buyer's personal information to a third party, it shall notify the Buyer of 1) the person to whom the personal information is provided, 2) the purpose of using the personal information by the person to whom the personal information is provided, 3) the items of personal information to be provided, and 4) the period of retention and use of personal information by the person to whom the personal information is provided, and obtain consent. (The same applies to changes in the matters for which consent has been obtained.)


    3. If the Site entrusts a third party to handle the Buyer's personal information, the Buyer shall be notified of 1) the person to whom the personal information is entrusted, 2) the contents of the work to be entrusted, and 3) the Buyer's consent. (The same applies to changes in the consent received.) However, if it is necessary for the fulfillment of the contract for the provision of the service and related to the convenience of the buyer, the notification and consent procedures shall be bypassed by notifying through the privacy policy in the manner prescribed by the Act on Promotion of Information and Communications Network Utilization and Information Protection, etc.



    Article 10 (Establishment of Contract)


    1. The "Site" may not approve the purchase application as described in Article 9 if any of the following items apply. However, in the case of concluding a contract with a minor, it shall be notified that the contract may be canceled by the minor or his/her legal representative if the consent of the legal representative is not obtained.


      A. If there are any falsehoods, omissions, or errors in the application contents


    B. If the Company determines that acceptance of other purchase applications is significantly impeded by the technology of the Site.


    2. The contract shall be deemed to have been concluded when the approval of the "Site" reaches the user in the form of the receipt confirmation notice in Article 12.1.


    3. The "Site"'s indication of acceptance shall include confirmation of the user's purchase application and information regarding the availability of the sale, cancellation of the correction of the purchase application, etc.



    Article 11 (Payment Method)


    Payment for goods and services purchased on the "Site" may be made by any of the following methods. However, the Company may not add any nominal fees to the price of goods and services for the user's payment method.


      A. Various account transfers such as phone banking, internet banking, mail banking, etc.


      B. Payment by various cards such as prepaid cards, debit cards, credit cards, etc.


      C. Online bankbook deposits


      D. Payment by electronic money


      E. Payment by points paid by the Site, such as mileage, etc.


      F. Payment by gift certificates under contract with the "Site" or recognized by the "Site" 


      G. Payment by other electronic payment methods, etc.



    Article 12 (Notification of Receipt, Change and Cancellation of Purchase Application)


    1. The "Site" shall send a receipt confirmation notice to the user when there is a purchase application from the user.


    2. A user who receives a receipt confirmation notice may request to change or cancel the purchase application immediately after receiving the receipt confirmation notice if there is a discrepancy in the expression of intention, and the "Site" shall process the request without delay if there is a request from the user before the provision. However, if the payment has already been made, the provisions of Article 15 regarding withdrawal of subscription, etc. shall apply.



    Article 13 (Supply of Goods and Services)


    The "Site" shall take necessary measures to provide goods and services from the date the user makes a request, unless there is a separate agreement with the user regarding the timing of the supply of goods and services. The "Site" shall take appropriate measures so that the user can check the procedure and progress of the provision of goods and services, etc.



    Article 14 (Refund)


    If the "Site" is unable to provide the goods and services that the user has applied to purchase for reasons such as being out of stock, the "Site" shall notify the user of the reason without delay, and if the payment for the goods and services has been received in advance, the "Site" shall refund the payment or take necessary measures to refund the payment within 3 business days from the date of receipt.



    Article 15 (Withdrawal of Subscription, etc.)


    1. A user who has concluded a contract for the purchase of goods and services with the "Site" may withdraw his/her subscription within 7 days from the date of receipt of the notice of the contract contents pursuant to Article 13, Paragraph 2 of the Act on Consumer Protection in Electronic Commerce (if the supply of goods and services is later than when the notice is received, the date on which the goods and services are supplied or the supply of goods and services is started). However, if the Act on Consumer Protection in Electronic Commerce, etc. provides otherwise regarding the withdrawal of a subscription, the provisions of the Act shall apply.


    2. If the user has received goods and services, the user may not withdraw the subscription in any of the following cases.


    A. If the value of the goods and services is significantly reduced by the user's use or partial consumption.


    3. In the case of Paragraph 2 (b) or (c), if the "Site" has not taken measures such as specifying the fact that the withdrawal of the subscription is restricted in advance in a place where consumers can easily recognize it, the user's withdrawal of the subscription shall not be restricted.


    4. Notwithstanding the provisions of Paragraphs 1 and 2, if the contents of the goods and services differ from the contents of the display and advertisement or are performed differently from the contract, the user may withdraw the subscription within 3 months from the date of supplying the goods and services, and within 30 days from the date of knowing or being able to know the fact.



    Article 16 (Effect of withdrawal of subscription, etc.)


    1. If the "Site" receives a legitimate request from the user to return the service, the "Site" shall refund the payment for the goods and services already received within 3 business days or initiate the action. In this case, if the "Site" delays the refund of goods and services to the user, the delayed interest calculated by multiplying the delayed interest rate set forth in Article 21.2 of the Enforcement Decree of the Act on Consumer Protection in Electronic Commerce, etc. shall be paid for the period of delay.


    2. In refunding the above payment, if the user has paid for goods and services by payment method such as credit card or electronic money, the "Site" shall request the business that provided the payment method to suspend or cancel the charge for goods and services without delay.


    3. In the case of withdrawal of subscription, the user shall bear the cost of returning the goods and services supplied. The "Site" shall not claim penalties or damages from the user for withdrawing the subscription. However, if the contents of the goods and services are different from the contents of the display and advertisement, or if the subscription is withdrawn because it is performed differently from the contract, the costs required for the return of the goods and services shall be borne by the "Site".



    Article 17 (Suspension of Service Provision)


    The "Company" may suspend the provision of the Service in any of the following cases.


    1. If the "Company" notifies the "Members" in advance due to the needs of the "Company" such as maintenance of facilities.


    2. If the telecommunications service provider stops providing telecommunications services


    3. If the provision of the service is objectively impossible due to other force majeure reasons.



    Article 18 (Provision of Member Information and Posting of Advertisements)


    1. The "Company" may provide the "Member" with information deemed necessary for the use of the Service by e-mail, correspondence mail, SMS, etc.


    2. The "Company" may post information or advertisements related to the services provided on the service screen, homepage, etc.


    3. The "Company" shall not be liable for any loss or damage caused by the "Member's" participation, communication or transaction in the advertiser's promotional activities posted on the service or through this service.


    4. "Members" may separately agree to receive commercial advertisements via personal e-mail. A Member who receives an e-mail containing an advertisement may unsubscribe at any time by contacting the Company.



    Article 19 (Responsibility and Authority of the Company)


    1. The "Company" may filter the personal information of "Individual Members" or "Talent Members" according to the request of "Corporate Members".


    2. The "Company" may delete or modify the personal information entered by the "Individual Member" or "Talent Member" at the time of membership registration or talent pool registration at any time without prior notice if there are misspellings, deviations, phrases and contents that violate social norms, or contents based on obviously false facts.


    3. The 'Talent Pool Registration Information' entered by the 'Talent Member' may be utilized as statistical data on employment and related trends, and the data may be distributed to the press through the media. However, the information utilized shall exclude personal information that can identify an individual.


    4. The "Company" may provide personal information of "Individual Members" or "Talent Members" viewed by "Corporate Members" through due process on the "Site" for the purpose of utilizing it as personnel data for "Corporate Members".


    5. Intellectual property rights such as posts or materials created and registered by the "Member" within the services provided by the "Company" belong to the "Member", but the "Company" may distribute them on the "Site" only if they are disclosed.


    6. The "Company" shall fulfill its duty of care in good faith to protect the intellectual property rights of "Members" and "Corporate Members".



    Article 20 (Obligations of the Company)


    1. The "Company" shall use its best efforts to provide the Service continuously and stably as set forth in these Terms and Conditions.


    2. The "Company" shall not leak or distribute the personal identification information of the "Member" to others without the consent of the Member. However, exceptions shall be made in cases where there is a legitimate request from a national organization under relevant laws and regulations.


    3. If the "Company" receives a complaint from a "Member" regarding the Service, it shall immediately handle it, and if it is difficult to handle it immediately, it shall notify the reason and processing schedule to the "Member" through the service screen or other methods.


    4. If an unforeseen event such as a natural disaster occurs or a system failure occurs and the service is interrupted, the "Company" shall not be liable for any damages. However, the Company shall be obligated to do its best to restore the data or support the normal service.


    5. The "Company" shall preserve the payment information related to the paid payment for the period prescribed by the relevant laws. The retention period shall be in accordance with the retention information and retention period under the "Act on Consumer Protection in Electronic Commerce, etc." as follows.


    A. Records on contract or subscription withdrawal: 5 years


    B. Records on payment and supply of goods and services: 5 years


    C. Records on consumer complaints or dispute handling: 3 years


    D. Records on display/advertising: 6 months



    Article 21 (Rights and Obligations of Members)


    1. The "Member" shall comply with the relevant laws and regulations, the provisions of these Terms and Conditions, and other matters notified by the "Company", and shall not engage in other acts that interfere with the business of the "Company". If the "Member" violates this, the "Member" may be deprived of the right to use the service.


    2. The "Member" shall provide and register accurate and complete personal information when registering for membership, and shall keep it up to date.


    3. The "Member" shall not create a user ID by stealing the name of another person.


    4. "Member" shall not use another person's ID other than his/her own ID. The "Member" shall not transfer his/her ID to another person, nor shall he/she transfer the ID of another person.


    The "Member" shall not share his/her ID or password with others and shall protect the security of the "Member's" ID and password. The Member shall be legally and socially responsible for all activities related to his/her ID.


    6. The rights and responsibilities for the posts created and registered by the "Member" in the service are the responsibility of the poster. In the event of a dispute related to intellectual property rights, such as the unauthorized appropriation of copyrighted code by others, the "Member" shall be fully responsible for the same and shall indemnify the "Company" within the scope.


    7. The "Member" shall not copy, reproduce, translate, publish, broadcast, or otherwise use the information obtained by using the Service or provide it to others without the prior consent of the "Company".


    8. The "Member" shall not use the Service for any purpose other than participation in healthy competitions, learning purposes, or support for recruitment requests from "Corporate Members", and shall not engage in any of the following acts during use.


    A. Use the Service for commercial purposes without the prior consent of the Company.


    B. Acts that infringe on the rights of others such as intellectual property rights


    C. Acts of hacking, spreading viruses, or continuously transmitting certain contents such as advertising information against the will of others.


    D. Acts deemed to interfere with or threaten to interfere with the stable operation of the Service


    E. Profit-making activities using the information and services of the site


    F. Any other act that harms good morals, other social order, or violates relevant laws and regulations.


    9. The terms and conditions and legal liability may remain in effect even after withdrawal of membership.



    Article 22 (Restriction and Suspension of Eligibility)


    The "Company" may terminate the use contract without prior notice or restrict the use of the service for a specified period of time if the "Member" is found to fall under any of the following items.


    A. In the event that the "Member" uses the resources provided by the "Company" to commit acts contrary to public order and social norms


    B. If you use the resources provided by the "Company" to plan or execute the use of the service for the purpose of undermining the social public interest.


    C. In the case of using the resources provided by the "Company" to commit acts related to criminal behavior


    D. If you have committed acts that damage or disadvantage the honor of others


    E. If the personal information required by the "Company" is found to be false.


    Article 23 (Posts)


    The "Company" may delete the contents posted or registered by the "Member" without prior notice if it is determined that the contents fall under any of the following items.


    A. If the contents damage the honor of other Members or third parties


    b. If the content jeopardizes the safety of the country


    C. If the content harms public order and morals


    D. If the content destroys the economic order of the country or harms economic development


    E. If the content is prohibited by criminal acts and other laws


    F. In case of unauthorized posting of advertisements



    Article 24 (Competition)


    1. Each competition is subject to separate competition rules set by the organizer and the Company.


    2. Competition rules, evaluation criteria, award targets, and award contents shall be posted in advance by the Company.


    3. The Host shall provide the Company with data for the operation of the Competition, and the Company shall publish the processed data set. However, the Company shall not be liable for any legal liability if the Company is unaware that the data provided by the Host violates copyright laws or other laws and regulations, and there is no reason for the Company's liability.


    4. "Workers" who are recognized as having an employment relationship within the "Company" may participate in the contest only if the winner receives the prize after the end of the contest. However, exceptions are made for participation in the competition for the purpose of operation and management of the competition.


    5. If the "Company" determines that a "Member" violates these Terms and Conditions, it may take measures such as disqualification or suspension of the relevant competition.


    6. All competitions must comply with the law and these Terms.



    Article 25 (Compensation for Damages)


    The Company shall not be liable for any damages incurred by the Member for reasons attributable to other Members (including both individual and corporate Members).



    Article 26 (Disclaimer)


    1. The "Company" shall not be liable for the suspension of service provision if the service cannot be provided due to natural disasters or other force majeure reasons.


    2. The "Company" shall not be liable for any obstacles to the use of the Service due to reasons attributable to the "Member".


    3. The "Company" shall not be liable for any damages caused by information obtained by the "Member" using the Service.


    4. The "Company" shall not be responsible for the reliability, accuracy, etc. of the information, materials, facts, etc. posted by the "Member" through the bulletin board.


    5. The "Company" shall not be liable for any damages obtained by the "Member" in violation of the Terms and Conditions and laws.



    Article 27 (Jurisdictional Court)


    Pursuant to Article 36 (Exclusive Jurisdiction) of the 'Act on Consumer Protection in Electronic Commerce, etc.', lawsuits concerning electronic transaction disputes between the 'Company' and the 'Member' shall be filed at the address of the 'Member' at the time of filing, and if there is no address, the district court having jurisdiction over the residence shall have exclusive jurisdiction. However, if the address or residence of the "Member" is not clear at the time of filing, or if the "Member" is a foreign resident, the jurisdiction shall be the jurisdiction established by the Civil Procedure Act.



    Article 28 (Personal Information of Members)


    The "Company" shall endeavor to protect the personal information of the "Member". The Company shall comply with the Act on Promotion of Information and Communications Network Utilization and Information Protection, etc. regarding the personal information protection of "Members" and shall notify the "Personal Information Handling Policy" on the "Site".



    Article 29 (Rules other than the Terms)


    The rules not specified in these Terms and Conditions shall be governed by the relevant laws and regulations, including the Act on Promotion of Information and Communications Network Utilization and Information Protection, etc.



    By-laws

    Announcement Date: March 22, 2023

    Effective Date: March 29, 2023

    Privacy policy

    Consent to receive marketing information

    1. Promotional Information Usage


    a. DACON provides promotional information such as user-tailored services and product recommendations, various prize events, promotions,

    and competition announcements to users through email, postal mail, text messages (SMS or KakaoTalk Alert), push notifications, or phone calls


    b. Users may refuse marketing communications and can withdraw consent at any time.

    Refusing consent will not restrict access to DACON's core services.

    However, marketing information services such as discounts, event notifications, and personalized recommendations will be limited.


    2. Disadvantages of Non-Consent

    a. Under Article 22(5) of the Personal Information Protection Act, refusal of optional information consent does not affect service availability.

    b. However, marketing information services including discounts, events, and personalized recommendations will be limited


    3. Withdrawing Service Communication Consent

    a. To opt out of DACON's marketing communications, go to 'Home > Account Management Page > Marketing (Competitions, Education, etc.) Information Reception Consent (Optional)' at the bottom of the page

    b. Consent can be reinstated anytime through the same path ('Home > Account Management Page > Marketing (Competitions, Education, etc.) Information Reception Consent (Optional)’) for future marketing benefits.


    2021.05.25

    The 2nd Kospo X Dacon Recommendation Algorithm AI Contest(Recruiting)

    Recruit | Algorithm | Tabular | Recommendation System | RMSE

    Practice
    Overview Data Code (share) Talk Leaderboard

    Setup D-0

     

    [private 3.27458] CatboostRegressor

    기보
    2023.05.20 23:40 2,159 Views language
    comments 0

    1. Feature Engineering
    - Location -> 도시, 주, 나라 분리
    - Age -> 범주화하여 파생변수 생성
    - User-ID -> 신규 유저 구분
    - 문자로 이루어진 데이터는 특수문자, 앞뒤 공백, 다중 공백 제거
    - 범주형 변수 모두 LabelEncoding 적용 -> Trainset에 존재하지 않은 Testset의 값은 -1로 라벨링

    2. Model Training
    - CatboostRegressor 사용
    - Cat Feature 사용
    - 10 StratifiedKFold
    - Optuna 사용하여 하이퍼 파라미터 탐색 및 적용

    3. Predict
    - Predict result -> 0~10 값으로 후처리

    클러스터링, 임베딩, Word2Vec, Fasttext 등을 이용하여 다양한 모델과 파생변수 생성을 시도해보았으나, 결과가 좋지 않았습니다.
    감사합니다.

    모델 링크 : https://www.dropbox.com/s/c4l0t9eybto2f0m/catmodel.egg?dl=0

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