Evangelos Pournaras
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- research-articleOpen AccessPublished By ACMPublished By ACM
Designing Digital Voting Systems for Citizens: Achieving Fairness and Legitimacy in Participatory Budgeting
- Joshua C. Yang
Computational Social Science, ETH Zurich, Zürich, Switzerland
, - Carina I. Hausladen
Computational Social Science, ETH Zurich, Zürich, Switzerland
, - Dominik Peters
CNRS, LAMSADE, Université Paris Dauphine - PSL, Paris, France
, - Evangelos Pournaras
University of Leeds, Leeds, United Kingdom of Great Britain and Northern Ireland
, - Regula Hnggli Fricker
University of Fribourg, Fribourg, Switzerland
, - Dirk Helbing
Computational Social Science, ETH Zurich, Zürich, Switzerland
Digital Government: Research and Practice, Volume 5, Issue 3•September 2024, Article No.: 26, pp 1-30 • https://doi.org/10.1145/3665332Participatory Budgeting (PB) has evolved into a key democratic instrument for resource allocation in cities. Enabled by digital platforms, cities now have the opportunity to let citizens directly propose and vote on urban projects, using different voting ...
- 1Citation
- 273
- Downloads
MetricsTotal Citations1Total Downloads273Last 12 Months273Last 6 weeks148
- Joshua C. Yang
- research-articleOpen AccessPublished By ACMPublished By ACM
What you see, What you get? Mapping Inconsistencies of Sustainability Judgements among Experts and Consumers
- Alaa Altammami
University of Leeds, United Kingdom and King Saud University, Saudi Arabia
, - Vania Dimitrova
University of Leeds, United Kingdom
, - Evangelos Pournaras
University of Leeds, United Kingdom
GoodIT '24: Proceedings of the 2024 International Conference on Information Technology for Social Good•September 2024, pp 443-452• https://doi.org/10.1145/3677525.3678695Addressing sustainability issues requires collective action, with individuals playing a crucial role. Despite a willingness to shop responsibly, people lack the knowledge needed to make informed decisions, this information gap underpins the intention-...
- 0Citation
- 38
- Downloads
MetricsTotal Citations0Total Downloads38Last 12 Months38Last 6 weeks38- 1
Supplementary MaterialExploring_Disagreement_Supplementary_Material.pdf
- Alaa Altammami
- Article
Fair and Inclusive Participatory Budgeting: Voter Experience with Cumulative and Quadratic Voting Interfaces
- Thomas Wellings
https://ror.org/024mrxd33University of Leeds, Leeds, UK
, - Fatemeh Banaie Heravan
https://ror.org/024mrxd33University of Leeds, Leeds, UK
, - Abhinav Sharma
https://ror.org/024mrxd33University of Leeds, Leeds, UK
, - Lodewijk Gelauff
https://ror.org/00f54p054Stanford University, Stanford, USA
, - Regula Hänggli Fricker
https://ror.org/022fs9h90University of Fribourg, Fribourg, Switzerland
, - Evangelos Pournaras
https://ror.org/024mrxd33University of Leeds, Leeds, UK
AbstractCumulative and quadratic voting are two distributional voting methods that are expressive, promoting fairness and inclusion, particularly in the realm of participatory budgeting. Despite these benefits, graphical voter interfaces for cumulative ...
- 0Citation
MetricsTotal Citations0
- Thomas Wellings
- research-articleOpen AccessPublished By ACMPublished By ACM
Brexit on Twitter: Unraveling the Dynamics of Polarization Over Time
- Thomas Wellings
School of Media and Communication, University of Fribourg, Switzerland
, - Regula Hänggli Fricker
School of Media and Communication, University of Fribourg, Switzerland
, - Evangelos Pournaras
School of Computing, University of Leeds, United Kingdom
, - Wenqing Fu
School of Journalism, University of Sheffield, United Kingdom
dg.o '24: Proceedings of the 25th Annual International Conference on Digital Government Research•June 2024, pp 855-866• https://doi.org/10.1145/3657054.3657269This paper uses a mixed-methods approach to examine the evolving dynamics of polarization amongst Twitter users who discussed the UK’s withdrawal from the EU from February 2016 to February 2020. Unlike previous research that mainly focused on specific ...
- 0Citation
- 131
- Downloads
MetricsTotal Citations0Total Downloads131Last 12 Months131Last 6 weeks57
- Thomas Wellings
- Article
Discrete-Choice Multi-agent Optimization: Decentralized Hard Constraint Satisfaction for Smart Cities
- Srijoni Majumdar
https://ror.org/024mrxd33School of Computing, University of Leeds, Leeds, UK
, - Chuhao Qin
https://ror.org/024mrxd33School of Computing, University of Leeds, Leeds, UK
, - Evangelos Pournaras
https://ror.org/024mrxd33School of Computing, University of Leeds, Leeds, UK
Autonomous Agents and Multiagent Systems. Best and Visionary Papers•May 2023, pp 60-76• https://doi.org/10.1007/978-3-031-56255-6_4AbstractMaking Smart Cities more sustainable, resilient and democratic is emerging as an endeavor of satisfying hard constraints, for instance meeting net-zero targets. Decentralized multi-agent methods for socio-technical optimization of large-scale ...
- 0Citation
MetricsTotal Citations0
- Srijoni Majumdar
- Article
Consensus-Based Participatory Budgeting for Legitimacy: Decision Support via Multi-agent Reinforcement Learning
- Srijoni Majumdar
https://ror.org/024mrxd33School of Computing, University of Leeds, Leeds, UK
, - Evangelos Pournaras
https://ror.org/024mrxd33School of Computing, University of Leeds, Leeds, UK
Machine Learning, Optimization, and Data Science•September 2023, pp 1-14• https://doi.org/10.1007/978-3-031-53969-5_1AbstractThe legitimacy of bottom-up democratic processes for the distribution of public funds by policy-makers is challenging and complex. Participatory budgeting is such a process, where voting outcomes may not always be fair or inclusive. Deliberation ...
- 0Citation
MetricsTotal Citations0
- Srijoni Majumdar
- research-articleOpen AccessPublished By ACMPublished By ACM
Improving City Life via Legitimate and Participatory Policy-making: A Data-driven Approach in Switzerland
- Thomas Samuel Wellings
University of Leeds, United Kingdom
, - Sirjoni Majumdar
University of Leeds, United Kingdom
, - Regula Hänggli Fricker
University of Fribourg, Switzerland
, - Evangelos Pournaras
University of Leeds, United Kingdom
dg.o '23: Proceedings of the 24th Annual International Conference on Digital Government Research•July 2023, pp 23-35• https://doi.org/10.1145/3598469.3598472This paper introduces a novel data-driven approach to address challenges faced by city policymakers concerning the distribution of public funds. Providing budgeting processes for improving quality of life based on objective (data-driven) evidence has ...
- 3Citation
- 340
- Downloads
MetricsTotal Citations3Total Downloads340Last 12 Months265Last 6 weeks50
- Thomas Samuel Wellings
- research-article
Decrypting distributed ledger design—taxonomy, classification and blockchain community evaluation
- Mark C. Ballandies
Computational Social Science, ETH Zurich, Zürich, Switzerland
, - Marcus M. Dapp
Computational Social Science, ETH Zurich, Zürich, Switzerland
, - Evangelos Pournaras
School of Computing, University of Leeds, Leeds, UK
Cluster Computing, Volume 25, Issue 3•Jun 2022, pp 1817-1838 • https://doi.org/10.1007/s10586-021-03256-wAbstractMore than 1000 distributed ledger technology (DLT) systems raising $600 billion in investment in 2016 feature the unprecedented and disruptive potential of blockchain technology. A systematic and data-driven analysis, comparison and rigorous ...
- 3Citation
MetricsTotal Citations3
- Mark C. Ballandies
- research-article
Human Activity Recognition based on Wi-Fi CSI Data -A Deep Neural Network Approach
- Andrii Zhuravchak
Ukrainian Catholic University, Lviv, Ukraine
, - Oleg Kapshii
Infineon Technologies, Lviv, Ukraine
, - Evangelos Pournaras
University of Leeds, Leeds, UK
Procedia Computer Science, Volume 198, Issue C•2022, pp 59-66 • https://doi.org/10.1016/j.procs.2021.12.211AbstractUsing Wi-Fi Channel State Information (CSI) is a novel way of environmental sensing and human activity recognition (HAR). These methods can be used for several safety and security applications by (re)using Wi-Fi routers without the need for ...
- 3Citation
MetricsTotal Citations3
- Andrii Zhuravchak
- research-article
Mobile link prediction: Automated creation and crowdsourced validation of knowledge graphs
- Mark C. Ballandies
Computational Social Science, ETH Zurich, Zurich, Switzerland
, - Evangelos Pournaras
School of Computing, University of Leeds, Leeds LS2 9JT, UK
Microprocessors & Microsystems, Volume 87, Issue C•Nov 2021 • https://doi.org/10.1016/j.micpro.2021.104335AbstractBuilding trustworthy knowledge graphs for cyber–physical social systems (CPSS) is a challenge. In particular, current approaches relying on human experts have limited scalability, while automated approaches are often not validated by ...
- 1Citation
MetricsTotal Citations1
- Mark C. Ballandies
- research-articlePublished By ACMPublished By ACM
Human-centered Democratic Innovations with Digital and Participatory Elements
- Regula Hänggli
University of Fribourg, Switzerland
, - Evangelos Pournaras
University of Leeds, United Kingdom
, - Dirk Helbing
ETH Zürich, Switzerland
dg.o '21: Proceedings of the 22nd Annual International Conference on Digital Government Research•June 2021, pp 227-233• https://doi.org/10.1145/3463677.3463708This paper discusses digital and/or participatory elements that could be used in decision-making processes, such as a participatory budgeting process. It contributes to the discussion about innovations in democracy. Placing humans at the center of ...
- 9Citation
- 269
- Downloads
MetricsTotal Citations9Total Downloads269Last 12 Months34Last 6 weeks2
- Regula Hänggli
- research-article
Decentralized Optimization of Vehicle Route Planning—A Cross-City Comparative Study
- Brionna Davis
Vanderbilt University, Nashville, TN, USA
, - Grace Jennings
Vanderbilt University, Nashville, TN, USA
, - Taylor Pothast
Vanderbilt University, Nashville, TN, USA
, - Ilias Gerostathopoulos
Vrije Universiteit Amsterdam, Amsterdam, The Netherlands
, - Evangelos Pournaras
University of Leeds, Leeds, U.K.
, - Raphael E. Stern
University of Minnesota, Minneapolis, MN, USA
IEEE Internet Computing, Volume 25, Issue 3•May-June 2021, pp 34-42 • https://doi.org/10.1109/MIC.2021.3058928The introduction of connected and autonomous vehicles enables new possibilities in vehicle routing: Knowing the origin and destination of each vehicle in the network can allow for coordinated real-time routing of the vehicles to optimize network ...
- 0Citation
MetricsTotal Citations0
- Brionna Davis
- research-articlePublished By ACMPublished By ACM
Cascading Failures in Interconnected Power-to-Water Networks
- Evangelos Pournaras
ETH Zurich, Zurich, Switzerland
, - Riccardo Taormina
TU Delft, Delft, Netherlands
, - Manish Thapa
ETH Zurich, Zurich, Switzerland
, - Stefano Galelli
SUTD, Singapore
, - Venkata Palleti
SUTD, Singapore
, - Robert Kooij
TU Delft, Delft, Netherlands
ACM SIGMETRICS Performance Evaluation Review, Volume 47, Issue 4•March 2020, pp 16-20 • https://doi.org/10.1145/3397776.3397781The manageability and resilience of critical infrastructures, such as power and water networks, is challenged by their increasing interdependence and interconnectivity. Power networks often experience cascading failures, i.e. blackouts, that have ...
- 0Citation
- 234
- Downloads
MetricsTotal Citations0Total Downloads234Last 12 Months40Last 6 weeks4
- Evangelos Pournaras
- research-article
On cycling risk and discomfort: urban safety mapping and bike route recommendations
- David Castells-Graells
Max-Planck-Institut für Quantenoptik, Hans-Kopfermann-Str. 1, 85748, Garching, Germany
, - Christopher Salahub
Department of Statistics and Actuarial Science, University of Waterloo, 200 University Avenue West, N2L 3G1, Waterloo, Canada
, - Evangelos Pournaras
School of Computing, University of Leeds, LS2 9JT, Leeds, UK
AbstractBike usage in Smart Cities is paramount for sustainable urban development: cycling promotes healthier lifestyles, lowers energy consumption, lowers carbon emissions, and reduces urban traffic. However, the expansion and increased use of bike ...
- 2Citation
MetricsTotal Citations2
- David Castells-Graells
- research-article
Holarchic structures for decentralized deep learning: a performance analysis
- Evangelos Pournaras
Professorship of Computational Social Science, ETH Zurich, Zurich, Switzerland
, - Srivatsan Yadhunathan
Professorship of Computational Social Science, ETH Zurich, Zurich, Switzerland
, - Ada Diaconescu
Telecom ParisTech, Paris-Saclay University, Paris, France
Cluster Computing, Volume 23, Issue 1•Mar 2020, pp 219-240 • https://doi.org/10.1007/s10586-019-02906-4AbstractStructure plays a key role in learning performance. In centralized computational systems, hyperparameter optimization and regularization techniques such as dropout are computational means to enhance learning performance by adjusting the deep ...
- 1Citation
MetricsTotal Citations1
- Evangelos Pournaras
- abstractPublished By ACMPublished By ACM
UCC/BDCAT'19 Poster Chairs Welcome Message
- Kenichi Kourai
Kyushu Institute of Technology, Iizuka, Japan
, - Evangelos Pournaras
University of Leeds, Leeds, United Kingdom
UCC '19 Companion: Proceedings of the 12th IEEE/ACM International Conference on Utility and Cloud Computing Companion•December 2019, pp 129-129• https://doi.org/10.1145/3368235.3368880- 0Citation
- 34
- Downloads
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- Kenichi Kourai
- research-article
Socio-technical smart grid optimization via decentralized charge control of electric vehicles
- Evangelos Pournaras
ETH Zurich, Zurich, Switzerland
, - Seoho Jung
ETH Zurich, Zurich, Switzerland
, - Srivatsan Yadhunathan
ETH Zurich, Zurich, Switzerland
, - Huiting Zhang
ETH Zurich, Zurich, Switzerland
, - Xingliang Fang
ETH Zurich, Zurich, Switzerland
AbstractThe penetration of electric vehicles becomes a catalyst for the sustainability of Smart Cities. However, unregulated battery charging remains a challenge causing high energy costs, power peaks or even blackouts. This paper studies this ...
Highlights- Electric vehicle autonomously generate alternative charging plans by reasoning based on historical data.
- 0Citation
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- Evangelos Pournaras
- article
Measuring network reliability and repairability against cascading failures
- Manish Thapa
Professorship of Computational Social Science, ETH Zurich, Zurich, Switzerland 8092
, - Jose Espejo-Uribe
Professorship of Computational Social Science, ETH Zurich, Zurich, Switzerland 8092
, - Evangelos Pournaras
Professorship of Computational Social Science, ETH Zurich, Zurich, Switzerland 8092
Journal of Intelligent Information Systems, Volume 52, Issue 3•June 2019, pp 573-594 • https://doi.org/10.1007/s10844-017-0477-0Cascading failures on techno-socio-economic systems can have dramatic and catastrophic implications in society. A damage caused by a cascading failure, such as a power blackout, is complex to predict, understand, prevent and mitigate as such complex ...
- 2Citation
MetricsTotal Citations2
- Manish Thapa
- research-article
TRAPPed in traffic?: a self-adaptive framework for decentralized traffic optimization
- Ilias Gerostathopoulos
Technical University of Munich, Munich, Germany
, - Evangelos Pournaras
ETH Zurich, Zurich, Switzerland
SEAMS '19: Proceedings of the 14th International Symposium on Software Engineering for Adaptive and Self-Managing Systems•May 2019, pp 32-38• https://doi.org/10.1109/SEAMS.2019.00014Optimizing the traffic flow in a city is a challenging problem, especially in a future traffic system of self-driving cars and sharing vehicles. This is due to the interactions between the individual traffic agents (vehicles) that compete for the use of ...
- 6Citation
- 86
- Downloads
MetricsTotal Citations6Total Downloads86Last 12 Months7
- Ilias Gerostathopoulos
- research-article
On learning in collective self-adaptive systems: state of practice and a 3D framework
- Mirko D'Angelo
Linnaeus University, Växjö, Sweden
, - Simos Gerasimou
University of York, York, United Kingdom
, - Sona Ghahremani
Hasso Plattner Institute, Universität Potsdam, Potsdam, Germany
, - Johannes Grohmann
University of Würzburg, Würzburg, Germany
, - Ingrid Nunes
Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, Brazil
, - Evangelos Pournaras
ETH Zürich, Zürich, Switzerland
, - Sven Tomforde
Universität Kassel, Kassel, Germany
SEAMS '19: Proceedings of the 14th International Symposium on Software Engineering for Adaptive and Self-Managing Systems•May 2019, pp 13-24• https://doi.org/10.1109/SEAMS.2019.00012Collective self-adaptive systems (CSAS) are distributed and interconnected systems composed of multiple agents that can perform complex tasks such as environmental data collection, search and rescue operations, and discovery of natural resources. By ...
- 6Citation
- 110
- Downloads
MetricsTotal Citations6Total Downloads110Last 12 Months22
- Mirko D'Angelo
Author Profile Pages
- Description: The Author Profile Page initially collects all the professional information known about authors from the publications record as known by the ACM bibliographic database, the Guide. Coverage of ACM publications is comprehensive from the 1950's. Coverage of other publishers generally starts in the mid 1980's. The Author Profile Page supplies a quick snapshot of an author's contribution to the field and some rudimentary measures of influence upon it. Over time, the contents of the Author Profile page may expand at the direction of the community.
Please see the following 2007 Turing Award winners' profiles as examples: - History: Disambiguation of author names is of course required for precise identification of all the works, and only those works, by a unique individual. Of equal importance to ACM, author name normalization is also one critical prerequisite to building accurate citation and download statistics. For the past several years, ACM has worked to normalize author names, expand reference capture, and gather detailed usage statistics, all intended to provide the community with a robust set of publication metrics. The Author Profile Pages reveal the first result of these efforts.
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These include:- co-authors: if we have two names and cannot disambiguate them based on name alone, then we see if they have a co-author in common. If so, this weighs towards the two names being the same person.
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The initial release of the Author Edit Screen is open to anyone in the community with an ACM account, but it is limited to personal information. An author's photograph, a Home Page URL, and an email may be added, deleted or edited. Changes are reviewed before they are made available on the live site.
ACM will expand this edit facility to accommodate more types of data and facilitate ease of community participation with appropriate safeguards. In particular, authors or members of the community will be able to indicate works in their profile that do not belong there and merge others that do belong but are currently missing.
A direct search interface for Author Profiles will be built.
An institutional view of works emerging from their faculty and researchers will be provided along with a relevant set of metrics.
It is possible, too, that the Author Profile page may evolve to allow interested authors to upload unpublished professional materials to an area available for search and free educational use, but distinct from the ACM Digital Library proper. It is hard to predict what shape such an area for user-generated content may take, but it carries interesting potential for input from the community.
Bibliometrics
The ACM DL is a comprehensive repository of publications from the entire field of computing.
It is ACM's intention to make the derivation of any publication statistics it generates clear to the user.
- Average citations per article = The total Citation Count divided by the total Publication Count.
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- Publication Count = all works of any genre within the universe of ACM's bibliographic database of computing literature of which this person was an author. Works where the person has role as editor, advisor, chair, etc. are listed on the page but are not part of the Publication Count.
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ACM Author-Izer Service
Summary Description
ACM Author-Izer is a unique service that enables ACM authors to generate and post links on both their homepage and institutional repository for visitors to download the definitive version of their articles from the ACM Digital Library at no charge.
Downloads from these sites are captured in official ACM statistics, improving the accuracy of usage and impact measurements. Consistently linking to definitive version of ACM articles should reduce user confusion over article versioning.
ACM Author-Izer also extends ACM’s reputation as an innovative “Green Path” publisher, making ACM one of the first publishers of scholarly works to offer this model to its authors.
To access ACM Author-Izer, authors need to establish a free ACM web account. Should authors change institutions or sites, they can utilize the new ACM service to disable old links and re-authorize new links for free downloads from a different site.
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ACM Author-Izer also provides code snippets for authors to display download and citation statistics for each “authorized” article on their personal pages. Downloads from these pages are captured in official ACM statistics, improving the accuracy of usage and impact measurements. Consistently linking to the definitive version of ACM articles should reduce user confusion over article versioning.
Note: You still retain the right to post your author-prepared preprint versions on your home pages and in your institutional repositories with DOI pointers to the definitive version permanently maintained in the ACM Digital Library. But any download of your preprint versions will not be counted in ACM usage statistics. If you use these AUTHOR-IZER links instead, usage by visitors to your page will be recorded in the ACM Digital Library and displayed on your page.
FAQ
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A. ACM Author-Izer is a unique, link-based, self-archiving service that enables ACM authors to generate and post links on either their home page or institutional repository for visitors to download the definitive version of their articles for free.
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- Q. What is an ACM Author Profile Page?
- A. The Author Profile Page initially collects all the professional information known about authors from the publications record as known by the ACM Digital Library. The Author Profile Page supplies a quick snapshot of an author's contribution to the field and some rudimentary measures of influence upon it. Over time, the contents of the Author Profile page may expand at the direction of the community. Please visit the ACM Author Profile documentation page for more background information on these pages.
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- Click the "Add Personal Information" link on the Author Profile Page
- Wait for ACM review and approval; generally less than 24 hours
- Q. Why does my photo not appear?
- A. Make sure that the image you submit is in .jpg or .gif format and that the file name does not contain special characters
- Q. What if I cannot find the Add Personal Information function on my author page?
- A. The ACM account linked to your profile page is different than the one you are logged into. Please logout and login to the account associated with your Author Profile Page.
- Q. What happens if an author changes the location of his bibliography or moves to a new institution?
- A. Should authors change institutions or sites, they can utilize ACM Author-Izer to disable old links and re-authorize new links for free downloads from a new location.
- Q. What happens if an author provides a URL that redirects to the author’s personal bibliography page?
- A. The service will not provide a free download from the ACM Digital Library. Instead the person who uses that link will simply go to the Citation Page for that article in the ACM Digital Library where the article may be accessed under the usual subscription rules.
However, if the author provides the target page URL, any link that redirects to that target page will enable a free download from the Service.
- Q. What happens if the author’s bibliography lives on a page with several aliases?
- A. Only one alias will work, whichever one is registered as the page containing the author’s bibliography. ACM has no technical solution to this problem at this time.
- Q. Why should authors use ACM Author-Izer?
- A. ACM Author-Izer lets visitors to authors’ personal home pages download articles for no charge from the ACM Digital Library. It allows authors to dynamically display real-time download and citation statistics for each “authorized” article on their personal site.
- Q. Does ACM Author-Izer provide benefits for authors?
- A. Downloads of definitive articles via Author-Izer links on the authors’ personal web page are captured in official ACM statistics to more accurately reflect usage and impact measurements.
Authors who do not use ACM Author-Izer links will not have downloads from their local, personal bibliographies counted. They do, however, retain the existing right to post author-prepared preprint versions on their home pages or institutional repositories with DOI pointers to the definitive version permanently maintained in the ACM Digital Library.
- Q. How does ACM Author-Izer benefit the computing community?
- A. ACM Author-Izer expands the visibility and dissemination of the definitive version of ACM articles. It is based on ACM’s strong belief that the computing community should have the widest possible access to the definitive versions of scholarly literature. By linking authors’ personal bibliography with the ACM Digital Library, user confusion over article versioning should be reduced over time.
In making ACM Author-Izer a free service to both authors and visitors to their websites, ACM is emphasizing its continuing commitment to the interests of its authors and to the computing community in ways that are consistent with its existing subscription-based access model.
- Q. Why can’t I find my most recent publication in my ACM Author Profile Page?
- A. There is a time delay between publication and the process which associates that publication with an Author Profile Page. Right now, that process usually takes 4-8 weeks.
- Q. How does ACM Author-Izer expand ACM’s “Green Path” Access Policies?
- A. ACM Author-Izer extends the rights and permissions that authors retain even after copyright transfer to ACM, which has been among the “greenest” publishers. ACM enables its author community to retain a wide range of rights related to copyright and reuse of materials. They include:
- Posting rights that ensure free access to their work outside the ACM Digital Library and print publications
- Rights to reuse any portion of their work in new works that they may create
- Copyright to artistic images in ACM’s graphics-oriented publications that authors may want to exploit in commercial contexts
- All patent rights, which remain with the original owner