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Show Editorial policies The European Journal of Operational Research (EJOR) publishes high quality, original papers that contribute to the methodology of operational research (OR) and to the practice of decision making. Extended versions of papers published in conference proceedings are not solicited. The relation with ongoing research should be demonstrated by providing proper reference to the recent OR literature. With application papers, originality should be demonstrated by applying OR to a problem with interesting new aspects or by providing fresh insights leading to successful implementation. Practitioners often suffer from the need to conceal commercial secrets. Referees will take this into sympathetic consideration when advising on an application paper, but it will not be allowed to detract from the clarity of the presentation. Types of paper Advice from the Editors EJOR has a very high volume of submissions and acceptance is competitive. Therefore, papers that do not contain a major new research finding, or novel approach to the application of OR, are likely to be rejected. A paper may also be rejected because - in the opinion of the Editor - it does not make a sufficient scientific contribution. All papers will be subject to an initial screening and technical check by the EJOR Managing Editor. Please carefully read the guidelines for NEW SUBMISSIONS below. If your article is written in poor English or does not contain all of the required components, it will not progress to peer review stage. Articles that do not pass the Managing Editor screening or do not conform to the Editorial Policy are likely to be rejected without peer review.
Ethical statement Papers going through the peer-review process, before being accepted for publication, obtain an average of over five reports from three reviewers. For each paper that enters the review process, several fellow scientists devote their time and efforts to reading this work and providing comments. To keep this process operational and ensure a fair distribution of the workload, we expect that all submitting authors and co-authors are willing to review papers. We understand there may be reasons you cannot accept a request at certain times, however, refusing many requests over a long period of time is unwanted and not fair on other reviewers. After all, if you have time to write papers, then there should be time to review other papers, despite other teaching, administrative or editorial duties. As editors, we observe increased concerns of authors regarding the proper re-use of published material. In general, copying copyrighted material constitutes plagiarism unless there is an agreement of the copyright holder and the copied material is referenced appropriately (the identical material needs to be highlighted and the source reported with the page number from which the text is taken). EJOR prohibits plagiarism of any kind. Papers extending previously published results (e.g., as is common for conference proceedings) therefore need to ensure that previously copyrighted material is not re-published. In general, the journal does not consider extended versions of conference proceedings. Finally, we expect that all authors of a submitted paper have read the complete paper and have played an important part in the research. Acting as or allowing a "ghost-author" (for financial remuneration) is unethical and may lead to a submission ban for all involved authors. We highly disapprove of such behavior and would like to raise awareness in the community about the fact that it is against ethical rules in publishing. Any suggested change in the set of authors after a first submission has to be carefully explained in the submission letter of a new version, and will typically not be accepted after a minor revision decision. Declaration of interest All authors must disclose any financial and personal relationships with other people or organizations that could inappropriately influence (bias) their work. Examples of potential competing interests include employment, consultancies, stock ownership, honoraria, paid expert testimony, patent applications/registrations, and grants or other funding. Authors must disclose any interests in two places: 1. A summary declaration of interest statement in the title page file (if double anonymized) or the manuscript file (if single anonymized). If there are no interests to declare then please state this: 'Declarations of interest: none'. 2. Detailed disclosures as part of a separate Declaration of Interest form, which forms part of the journal's official records. It is important for potential interests to be declared in both places and that the information matches. More information. Submission declaration and verification Submission of an article implies that the work described has not been published previously (except in the form of an abstract, a published lecture or academic thesis, see 'Multiple, redundant or concurrent publication' for more information), that it is not under consideration for publication elsewhere, that its publication is approved by all authors and tacitly or explicitly by the responsible authorities where the work was carried out, and that, if accepted, it will not be published elsewhere in the same form, in English or in any other language, including electronically without the written consent of the copyright-holder. To verify compliance, your article may be checked by Crossref Similarity Check and other originality or duplicate checking software. Use of inclusive language Inclusive language acknowledges diversity, conveys respect to all people, is sensitive to differences, and promotes equal opportunities. Content should make no assumptions about the beliefs or commitments of any reader; contain nothing which might imply that one individual is superior to another on the grounds of age, gender, race, ethnicity, culture, sexual orientation, disability or health condition; and use inclusive language throughout. Authors should ensure that writing is free from bias, stereotypes, slang, reference to dominant culture and/or cultural assumptions. We advise to seek gender neutrality by using plural nouns ("clinicians, patients/clients") as default/wherever possible to avoid using "he, she," or "he/she." We recommend avoiding the use of descriptors that refer to personal attributes such as age, gender, race, ethnicity, culture, sexual orientation, disability or health condition unless they are relevant and valid. When coding terminology is used, we recommend to avoid offensive or exclusionary terms such as "master", "slave", "blacklist" and "whitelist". We suggest using alternatives that are more appropriate and (self-) explanatory such as "primary", "secondary", "blocklist" and "allowlist". These guidelines are meant as a point of reference to help identify appropriate language but are by no means exhaustive or definitive. Authorship An author of a paper submitted to EJOR is considered to be an individual who has made a significant intellectual contribution to the study. Four criteria must all be met to be credited as an author: Individuals who are involved in a study but don't satisfy the above criteria for authorship, should be listed as 'Contributors' or 'Acknowledged Individuals'. Examples include: assisting the research by providing advice, sharing the data, providing research space, departmental oversight, and obtaining financial support. There should be at most 10 authors. In the case the list of authors should include from 7 to 10 individuals, the leading author should present to the Editor a convincing argumentation specifying the role of each listed author
prior to the submission. In this case, the submission of a paper can only be made upon an agreement of the Editor. Authors are expected to consider carefully the list and order of authors before submitting their manuscript and provide the definitive list of authors at the time of the original submission. Any addition, deletion or rearrangement of author names in the authorship list should be made only before the manuscript has been accepted and
only if approved by the journal Editor. To request such a change, the Editor must receive the following from the corresponding author: (a) the reason for the change in author list and (b) written confirmation (e-mail, letter) from all authors that they agree with the addition, removal or rearrangement. In the case of addition or removal of authors, this includes confirmation from the author being added or removed. Article transfer service Copyright Upon acceptance of an article, authors will be asked to complete a 'Journal Publishing Agreement' (see more information on this). An e-mail will be sent to the corresponding author confirming receipt of the manuscript together with a 'Journal Publishing Agreement' form or a link to the online version of this agreement. Subscribers may reproduce tables of contents or prepare lists of articles including abstracts for internal circulation within their institutions. Permission of the Publisher is required for resale or distribution outside the institution and for all other derivative works, including compilations and translations. If excerpts from other copyrighted works are included, the author(s) must obtain written permission from the copyright owners and credit the source(s) in the article. Elsevier has preprinted forms for use by authors in these cases. For gold open access articles: Upon acceptance of an article, authors will be asked to complete a 'License Agreement' (more information). Permitted third party reuse of gold open access articles is determined by the author's choice of user license. Author rights Elsevier supports responsible sharing Role of the funding source You are requested to identify who provided financial support for the conduct of the research and/or preparation of the article and to briefly describe the role of the sponsor(s), if any, in study design; in the collection, analysis and interpretation of data; in the writing of the report; and in the decision to submit the article for publication. If the funding source(s) had no such involvement, it is recommended to state this. Submission Our online submission system guides you stepwise through the process of entering your article details and uploading your files. The system converts your article files to a single PDF file used in the peer-review process. Editable files (e.g., Word, LaTeX) are required to typeset your article for final publication. All correspondence, including notification of the Editor's decision and requests for revision, is sent by e-mail. Peer review The continuing success of EJOR relies not only on high quality submissions, but also on high quality reviews. The editors therefore ask all authors to act also as reviewers and to register for an account in EM if they are not already registered. This journal operates a single blind review process. All contributions will be screened by the EJOR Managing Editor for language and completeness and, if they pass, assessed by an EJOR Editor for suitability for the journal. Papers deemed suitable are typically sent to a minimum of two independent expert reviewers to assess the scientific quality of the paper. The Editor is responsible for the final decision regarding acceptance or rejection of articles. The Editor's decision is final. More information on types of peer review Queries For questions about the editorial process (including the status of manuscripts under review) or for technical support on submissions, please visit our Support Center. NEW SUBMISSIONS New submissions should be submitted as a single file, which will be used in the refereeing process. The single manuscript file can be a PDF file or word document. If you prefer to do so, you may still provide some or all source files in addition to the single file. Please note that individual figure files larger than 10MB must be uploaded separately. The total size of the combined submitted files must not exceed 30MB. If your source files are in LaTeX, please visit our LaTeX site. Requirements for New Submissions Your article will be screened by the EJOR Managing Editor and must conform to the following guidelines in order to progress: 1. Standard of English 2. Article format 3. Article structure 4. Supplementary materials New Submissions: file inventory Mandatory Optional Please note that for new submissions of previoulsy rejected papers, an additional "Comments to reviewers" file must also be included. New Submissions: checklist Before submitting a new manuscript to EJOR, please ensure that your
article: *Please see the relevant sections in MORE INFORMATION for details. REVISED SUBMISSIONS After peer review, if an editorial decision of "Revise" is made, authors are asked to update their manuscript, according to the advice given by the Editors and referees. Authors are advised to revise and resubmit their manuscript no later than 6 months after the decision. If the revision is not submitted within this time, the review process of the paper will be terminated, and the revised paper will need to be submitted as a new submission. Requirements for Revised Submissions All revised submissions will be screened (again) by the EJOR Managing Editor, before being passed back to the relevant Editor. At revision stage, several additional components are needed. These should be submitted as separate files: Revised submissions: file inventory Mandatory Optional Revised submissions: checklist Before submitting a revised manuscript to EJOR, please ensure that your article (still): *Please see the relevant sections in MORE INFORMATION for details. MORE INFORMATION Essential title page information • Title. Concise and informative. Titles are often used in information-retrieval systems.
Abbreviations, formulae and acronyms are not permitted. Abstract A concise and factual abstract of between 50 and 250 words is required for all New and Revised Submissions. The abstract should state briefly the purpose
of the research, the principal results and major conclusions. An abstract is often presented separately from the article, so it must be able to stand alone. For this reason, references should be avoided, but if essential, the full reference must be included. (For Short Communications, which address deficiencies in previous EJOR papers, the full reference to the original paper should always be included.) Graphical abstract Highlights Keywords Keywords are required for all New Submissions and Revised Submissions. Selected keywords should be put in the same order in 2 keyword sections (i.e., during submission process as well in manuscript after abstract). At least the first keyword should be selected from the official list of EJOR Keywords, below. Please note that the first keyword should also be entered separately under 'Section/Category' in the submission system. Some keywords from outside the list may be added but the total number of keywords should not exceed five. The letters before the keywords represent the Editor who will receive the paper, if it progresses through the inital screening process. Codes of Editors: (R) - Steffen Rebennack; (B) - Emanuele Borgonovo; (Y) - Michael Yearworth; (O) - José Fernando Oliveira; (S) - Roman Slowinski; (T) - Ruud Teunter List of EJOR
keywords Formatting of funding
sources Funding: This work was supported by the National Institutes of Health [grant numbers xxxx, yyyy]; the Bill & Melinda Gates Foundation, Seattle, WA [grant number zzzz]; and the United States Institutes of Peace [grant number aaaa]. It is not necessary to include detailed descriptions on the program or type of grants and awards. When funding is from a block grant or other resources available to a university, college, or other research institution, submit the name of the institute or organization that provided the funding. If no funding has been provided for the research, it is recommended to include the following sentence: This research did not receive any specific grant from funding agencies in the public, commercial, or not-for-profit sectors. Footnotes Artwork Electronic artwork A detailed
guide on electronic artwork is available. Figure captions Tables Please submit tables as editable text and not as images. Tables can be placed either next to the relevant text in the article, or on separate page(s) at the end. Number tables consecutively in accordance with their appearance in the text and place any table notes below the table body. Be sparing in the use of tables and ensure that the data presented in them do not duplicate results described elsewhere in the article. Please avoid using vertical rules and shading in table cells. References Citation in text Unpublished results and personal communications are not recommended in the reference list, but may be mentioned in the text. If these references are included in the reference list they should follow the standard reference style of the journal and should include a substitution of the publication date with either 'Unpublished results' or 'Personal communication'. Citation of a reference as 'in press' implies that the item has been accepted for publication. Web references Data references Preprint references References in a special issue Reference management software Reference style
Video Elsevier accepts video material and animation sequences to support and enhance your scientific research. Authors who have video or animation files that they wish to submit with their article are strongly encouraged to include links to these within the body of the article. This can be done in the same way as a figure or table by referring to the video or animation content and noting in the body text where it should be placed. All submitted files should be properly labeled so that they directly relate to the video file's content. In order to ensure that your video or animation material is directly usable, please provide the file in one of our recommended file formats with a preferred maximum size of 150 MB per file, 1 GB in total. Video and animation files supplied will be published online in the electronic version of your article in Elsevier Web products, including ScienceDirect. Please supply 'stills' with your files: you can choose any frame from the video or animation or make a separate image. These will be used instead of standard icons and will personalize the link to your video data. For more detailed instructions please visit our video instruction pages. Note: since video and animation cannot be embedded in the print version of the journal, please provide text for both the electronic and the print version for the portions of the article that refer to this content. Data visualization Include interactive data visualizations in your publication and let your readers interact and engage more closely with your research. Follow the instructions here to find out about available data visualization options and how to include them with your article. Supplementary material Supplementary material such
as applications, images and sound clips, can be published with your article to enhance it. Submitted supplementary items are published exactly as they are received (Excel or PowerPoint files will appear as such online). Please submit your material together with the article and supply a concise, descriptive caption for each supplementary file. If you wish to make changes to supplementary material during any stage of the process, please make sure to provide an updated file. Do not annotate any
corrections on a previous version. Please switch off the 'Track Changes' option in Microsoft Office files as these will appear in the published version. Research data This journal encourages and enables you to share data that supports your research publication where appropriate, and enables you to interlink the data with your published articles. Research data refers to the results of observations or experimentation that validate research findings. To facilitate reproducibility and data reuse, this journal also encourages you to share your software, code, models, algorithms, protocols, methods and other useful materials related to the project. Below are a number of ways in which you can associate data with your article or make a statement about the availability of your data when submitting your manuscript. If you are sharing data in one of these ways, you are encouraged to cite the data in your manuscript and reference list. Please refer to the "References" section for more information about data citation. For more information on depositing, sharing and using research data and other relevant research materials, visit the research data page. Data linking There are different ways to link your datasets to your article. When available, you can directly link your dataset to your article by providing the relevant information in the submission system. For more information, visit the database linking page. For supported data repositories a repository banner will automatically appear next to your published article on ScienceDirect. In addition, you can link to relevant data or entities through identifiers within the text of your manuscript, using the following format: Database: xxxx (e.g., TAIR: AT1G01020; CCDC: 734053; PDB: 1XFN). Data in Brief Data statement Proofs One set of page proofs (as PDF files) will be sent by e-mail to the corresponding author (if we do not have an e-mail address then paper proofs will be sent by post) or a link will be provided in the e-mail so that authors can download the
files themselves. To ensure a fast publication process of the article, we kindly ask authors to provide us with their proof corrections within two days. Elsevier now provides authors with PDF proofs which can be annotated; for this you will need to download the free Adobe Reader, version 9 (or higher). Instructions on how to annotate PDF files will accompany the proofs (also given online). The exact system requirements are given at the Adobe site. Offprints The corresponding author will, at no cost, receive a customized Share Link providing 50 days free access to the final published version of the article on ScienceDirect. The Share Link can be used for sharing the article via any communication channel, including email and social media. For an extra charge, paper offprints can be ordered via the offprint order form which is sent once the article is accepted for publication. Both corresponding and co-authors may order offprints at any time via Elsevier's Author Services. Corresponding authors who have published their article gold open access do not receive a Share Link as their final published version of the article is available open access on ScienceDirect and can be shared through the article DOI link. Who is responsible for sharing reprints of a publication with readers?Popular writers and publishers publishing reprints The author should be the one normally responsible for sharing reprints of a publication with readers. This can be done by providing an active link to publishers who choose to make their articles available online (or even by directly embedding images and articles). Which of the following is true regarding authors who seek to publish the same content in multiple papers Citi?Which of the following is true regarding authors who seek to publish the same content in multiple papers? Using the same content in multiple papers is deceptive if it is not properly disclosed. What is the primary responsibility of oversight bodies such as an IRB?IRBs play a critical role in the oversight of clinical research. The essential role of the IRB is to protect the rights and welfare of human research participants – those who agree to participate in the testing of new therapies to help determine whether they are safe and effective. What is the main function of the Bayh?The Bayh-Dole Act, formerly known as the Patent and Trademark Act Amendments, is a federal law enacted in 1980 that enables universities, nonprofit research institutions and small businesses to own, patent and commercialize inventions developed under federally funded research programs within their organizations. Which of the following is true regarding an Acknowledgements section Citi?Which of the following is true regarding an acknowledgments section? The contributions of students and technicians are often listed in the acknowledgments section if they do not meet all of the criteria for authorship.
Which author is normally responsible for sharing reprints of a publication with readers Citi?Correct Answer : The corresponding author. Comment : The corresponding author is normally responsible for sharing reprints of a publication with readers.
Which of the following is the primary criterion for authorship Citi?Which of the following is the primary criterion for authorship? Having made a significant intellectual contribution to the work. Which of the following is an example of plagiarism? Presenting someone else's ideas or words and claiming them as one's own.
Which is the responsibility of each author?“Each author is expected to have made substantial contributions to the conception OR design of the work; OR the acquisition, analysis, OR interpretation of data; OR have drafted the work or substantively revised it; AND to have approved the submitted version (and any substantially modified version that involves the ...
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