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- ASAP '11: Proceedings of the ASAP 2011 - 22nd IEEE International Conference on Application-specific Systems, Architectures and Processors (1)
- CASES '13: Proceedings of the 2013 International Conference on Compilers, Architectures and Synthesis for Embedded Systems (1)
- DATE '13: Proceedings of the Conference on Design, Automation and Test in Europe (1)
- DATE '15: Proceedings of the 2015 Design, Automation & Test in Europe Conference & Exhibition (1)
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- research-articlePublished By ACMPublished By ACM
Accelerating Memcached on AWS Cloud FPGAs
- Jongsok Choi
LegUp Computing Inc., Toronto, ON, Canada
, - Ruolong Lian
LegUp Computing Inc., Toronto, ON, Canada
, - Zhi Li
LegUp Computing Inc., Toronto, ON, Canada
, - Andrew Canis
LegUp Computing Inc., Toronto, ON, Canada
, - Jason Anderson
LegUp Computing Inc., Toronto, ON, Canada
HEART '18: Proceedings of the 9th International Symposium on Highly-Efficient Accelerators and Reconfigurable Technologies•June 2018, Article No.: 2, pp 1-8• https://doi.org/10.1145/3241793.3241795In recent years, FPGAs have been deployed in data centres of major cloud service providers, such as Microsoft [1], Amazon [2], Alibaba [3], Tencent [4], Huawei [5], and Nimbix [6]. This marks the beginning of bringing FPGA computing to the masses, as ...
- 10Citation
- 381
- Downloads
MetricsTotal Citations10Total Downloads381Last 12 Months30Last 6 weeks2
- Jongsok Choi
- research-article
A Survey and Evaluation of FPGA High-Level Synthesis Tools
- Razvan Nane
Delft University of Technology, Delft, NW, The Netherlands
, - Vlad-Mihai Sima
Delft University of Technology, Delft, NW, The Netherlands
, - Christian Pilato
Politecnico di Milano, Milan, Italy
, - Jongsok Choi
University of Toronto, Toronto, ON, Canada
, - Blair Fort
University of Toronto, Toronto, ON, Canada
, - Andrew Canis
University of Toronto, Toronto, ON, Canada
, - Yu Ting Chen
University of Toronto, Toronto, ON, Canada
, - Hsuan Hsiao
University of Toronto, Toronto, ON, Canada
, - Stephen Brown
University of Toronto, Toronto, ON, Canada
, - Fabrizio Ferrandi
Politecnico di Milano, Milan, Italy
, - Jason Anderson
University of Toronto, Toronto, ON, Canada
, - Koen Bertels
Delft University of Technology, Delft, NW, The Netherlands
IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems, Volume 35, Issue 10•October 2016, pp 1591-1604 • https://doi.org/10.1109/TCAD.2015.2513673High-level synthesis (HLS) is increasingly popular for the design of high-performance and energy-efficient heterogeneous systems, shortening time-to-market and addressing today’s system complexity. HLS allows designers to work at a higher-level of ...
- 102Citation
MetricsTotal Citations102
- Razvan Nane
- research-articlePublished By ACMPublished By ACM
The Effect of Compiler Optimizations on High-Level Synthesis-Generated Hardware
- Qijing Huang
Department of Electrical and Computer Engineering, University of Toronto, Toronto, Ontario, Canada
, - Ruolong Lian
Department of Electrical and Computer Engineering, University of Toronto, Toronto, Ontario, Canada
, - Andrew Canis
Department of Electrical and Computer Engineering, University of Toronto, Toronto, Ontario, Canada
, - Jongsok Choi
Department of Electrical and Computer Engineering, University of Toronto, Toronto, Ontario, Canada
, - Ryan Xi
Department of Electrical and Computer Engineering, University of Toronto, Toronto, Ontario, Canada
, - Nazanin Calagar
Department of Electrical and Computer Engineering, University of Toronto, Toronto, Ontario, Canada
, - Stephen Brown
Department of Electrical and Computer Engineering, University of Toronto, Toronto, Ontario, Canada
, - Jason Anderson
Department of Electrical and Computer Engineering, University of Toronto, Toronto, Ontario, Canada
ACM Transactions on Reconfigurable Technology and Systems, Volume 8, Issue 3•May 2015, Article No.: 14, pp 1-26 • https://doi.org/10.1145/2629547We consider the impact of compiler optimizations on the quality of high-level synthesis (HLS)-generated field-programmable gate array (FPGA) hardware. Using an HLS tool implemented within the state-of-the-art LLVM compiler, we study the effect of ...
- 28Citation
- 664
- Downloads
MetricsTotal Citations28Total Downloads664Last 12 Months30Last 6 weeks3
- Qijing Huang
- research-article
Profiling-driven multi-cycling in FPGA high-level synthesis
- Stefan Hadjis
University of Toronto, Toronto, Ontario, Canada
, - Andrew Canis
University of Toronto, Toronto, Ontario, Canada
, - Ryoya Sobue
Ritsumeikan University, Shiga, Japan
, - Yuko Hara-Azumi
Tokyo Institute of Technology, Tokyo, Japan
, - Hiroyuki Tomiyama
Ritsumeikan University, Shiga, Japan
, - Jason Anderson
University of Toronto, Toronto, Ontario, Canada
DATE '15: Proceedings of the 2015 Design, Automation & Test in Europe Conference & Exhibition•March 2015, pp 31-36Multi-cycling is a well-known strategy to improve performance in digital design, wherein the required time for selected combinational paths is lengthened to multiple clock cycles (rather than just one). The approach can be applied to paths associated ...
- 1Citation
- 113
- Downloads
MetricsTotal Citations1Total Downloads113Last 12 Months2Last 6 weeks1
- Stefan Hadjis
- Article
Automating the Design of Processor/Accelerator Embedded Systems with LegUp High-Level Synthesis
- Blair Fort,
- Andrew Canis,
- Jongsok Choi,
- Nazanin Calagar,
- Ruolong Lian,
- Stefan Hadjis,
- Yu Ting Chen,
- Mathew Hall,
- Bain Syrowik,
- Tomasz Czajkowski,
- Stephen Brown,
- Jason Anderson
EUC '14: Proceedings of the 2014 12th IEEE International Conference on Embedded and Ubiquitous Computing•August 2014, pp 120-129• https://doi.org/10.1109/EUC.2014.26LegUp [1] is an open-source high-level synthesis (HLS) tool that accepts a C program as input and automatically synthesizes it into a hybrid system. The hybrid system comprises an embedded processor and custom accelerators that realize user-designated ...
- 4Citation
MetricsTotal Citations4
- research-articlePublished By ACMPublished By ACM
LegUp: An open-source high-level synthesis tool for FPGA-based processor/accelerator systems
- Andrew Canis
University of Toronto, ON, Canada
, - Jongsok Choi
University of Toronto, ON, Canada
, - Mark Aldham
University of Toronto, ON, Canada
, - Victor Zhang
University of Toronto, ON, Canada
, - Ahmed Kammoona
University of Toronto, ON, Canada
, - Tomasz Czajkowski
Altera Corporation, ON, Canada
, - Stephen D. Brown
University of Toronto, ON, Canada
, - Jason H. Anderson
University of Toronto, ON, Canada
ACM Transactions on Embedded Computing Systems, Volume 13, Issue 2•September 2013, Article No.: 24, pp 1-27 • https://doi.org/10.1145/2514740It is generally accepted that a custom hardware implementation of a set of computations will provide superior speed and energy efficiency relative to a software implementation. However, the cost and difficulty of hardware design is often prohibitive, ...
- 259Citation
- 1,706
- Downloads
MetricsTotal Citations259Total Downloads1,706Last 12 Months107Last 6 weeks19
- Andrew Canis
- research-article
From software to accelerators with LegUp high-level synthesis
- Andrew Canis
University of Toronto, Toronto, ON, Canada
, - Jongsok Choi
University of Toronto, Toronto, ON, Canada
, - Blair Fort
University of Toronto, Toronto, ON, Canada
, - Ruolong Lian
University of Toronto, Toronto, ON, Canada
, - Qijing Huang
University of Toronto, Toronto, ON, Canada
, - Nazanin Calagar
University of Toronto, Toronto, ON, Canada
, - Marcel Gort
University of Toronto, Toronto, ON, Canada
, - Jia Jun Qin
University of Toronto, Toronto, ON, Canada
, - Mark Aldham
University of Toronto, Toronto, ON, Canada
, - Tomasz Czajkowski
University of Toronto, Toronto, ON, Canada
, - Stephen Brown
University of Toronto, Toronto, ON, Canada
, - Jason Anderson
University of Toronto, Toronto, ON, Canada
CASES '13: Proceedings of the 2013 International Conference on Compilers, Architectures and Synthesis for Embedded Systems•September 2013, Article No.: 18, pp 1-9Embedded system designers can achieve energy and performance benefits by using dedicated hardware accelerators. However, implementing custom hardware accelerators for an application can be difficult and time intensive. LegUp is an open-source high-level ...
- 9Citation
- 196
- Downloads
MetricsTotal Citations9Total Downloads196Last 12 Months6Last 6 weeks4
- Andrew Canis
- Article
The Effect of Compiler Optimizations on High-Level Synthesis for FPGAs
FCCM '13: Proceedings of the 2013 IEEE 21st Annual International Symposium on Field-Programmable Custom Computing Machines•April 2013, pp 89-96• https://doi.org/10.1109/FCCM.2013.50We consider the impact of compiler optimizations on the quality of high-level synthesis (HLS)-generated FPGA hardware. Using a HLS tool implemented within the state-of-the-art LLVM compiler, we study the effect of compiler optimizations on the hardware ...
- 14Citation
MetricsTotal Citations14
- research-article
Multi-pumping for resource reduction in FPGA high-level synthesis
- Andrew Canis
University of Toronto, Toronto, ON, Canada
, - Jason H. Anderson
University of Toronto, Toronto, ON, Canada
, - Stephen D. Brown
University of Toronto, Toronto, ON, Canada
DATE '13: Proceedings of the Conference on Design, Automation and Test in Europe•March 2013, pp 194-197Resource sharing is a classic high-level synthesis (HLS) optimization that saves area by mapping multiple operations to a single functional unit. With resource sharing, only operations scheduled in separate cycles can be assigned to shared hardware, ...
- 4Citation
- 110
- Downloads
MetricsTotal Citations4Total Downloads110Last 12 Months3Last 6 weeks1
- Andrew Canis
- tutorialPublished By ACMPublished By ACM
High-level synthesis with LegUp: a crash course for users and researchers
- Jason H. Anderson
University of Toronto, Toronto, ON, Canada
, - Stephen D. Brown
University of Toronto, Toronto, ON, Canada
, - Andrew Canis
University of Toronto, Toronto, ON, Canada
, - Jongsok Choi
University of Toronto, Toronto, ON, Canada
FPGA '13: Proceedings of the ACM/SIGDA international symposium on Field programmable gate arrays•February 2013, pp 7-8• https://doi.org/10.1145/2435264.2435269High-level synthesis (HLS) has been gaining traction recently as a design methodology for FPGAs, with the promise of raising the productivity of FPGA hardware designers, and ultimately, opening the door to the use of FPGAs as computing devices ...
- 0Citation
- 278
- Downloads
MetricsTotal Citations0Total Downloads278Last 12 Months10
- Jason H. Anderson
- Article
Impact of Cache Architecture and Interface on Performance and Area of FPGA-Based Processor/Parallel-Accelerator Systems
FCCM '12: Proceedings of the 2012 IEEE 20th International Symposium on Field-Programmable Custom Computing Machines•April 2012, pp 17-24• https://doi.org/10.1109/FCCM.2012.13We describe new multi-ported cache designs suitable for use in FPGA-based processor/parallel-accelerator systems, and evaluate their impact on application performance and area. The baseline system comprises a MIPS soft processor and custom hardware ...
- 13Citation
MetricsTotal Citations13
- research-articlePublished By ACMPublished By ACM
Impact of FPGA architecture on resource sharing in high-level synthesis
- Stefan Hadjis
University of Toronto, Toronto, ON, Canada
, - Andrew Canis
University of Toronto, Toronto, ON, Canada
, - Jason H. Anderson
University of Toronto, Toronto, ON, Canada
, - Jongsok Choi
University of Toronto, Toronto, ON, Canada
, - Kevin Nam
University of Toronto, Toronto, ON, Canada
, - Stephen Brown
University of Toronto, Toronto, ON, Canada
, - Tomasz Czajkowski
Altera Corporation, Toronto, ON, Canada
FPGA '12: Proceedings of the ACM/SIGDA international symposium on Field Programmable Gate Arrays•February 2012, pp 111-114• https://doi.org/10.1145/2145694.2145712Resource sharing is a key area-reduction approach in high-level synthesis (HLS) in which a single hardware functional unit is used to implement multiple operations in the high-level circuit specification. We show that the utility of sharing depends on ...
- 39Citation
- 591
- Downloads
MetricsTotal Citations39Total Downloads591Last 12 Months34Last 6 weeks4
- Stefan Hadjis
- Article
Low-cost hardware profiling of run-time and energy in FPGA embedded processors
- M. Aldham
ECE Dept., Univ. of Toronto, Toronto, ON, Canada
, - J. Anderson
ECE Dept., Univ. of Toronto, Toronto, ON, Canada
, - S. Brown
ECE Dept., Univ. of Toronto, Toronto, ON, Canada
, - A. Canis
ECE Dept., Univ. of Toronto, Toronto, ON, Canada
ASAP '11: Proceedings of the ASAP 2011 - 22nd IEEE International Conference on Application-specific Systems, Architectures and Processors•September 2011, pp 61-68• https://doi.org/10.1109/ASAP.2011.6043237This paper introduces a low-overhead hardware profiling architecture, called LEAP, that attains real-time cycle and energy profiles of an FPGA-based soft processor. A novel technique is used to associate profiling data with specific functions in a way ...
- 3Citation
MetricsTotal Citations3
- M. Aldham
- research-articlePublished By ACMPublished By ACM
LegUp: high-level synthesis for FPGA-based processor/accelerator systems
- Andrew Canis
University of Toronto, Toronto, ON, Canada
, - Jongsok Choi
University of Toronto, Toronto, ON, Canada
, - Mark Aldham
University of Toronto, Toronto, ON, Canada
, - Victor Zhang
University of Toronto, Toronto, ON, Canada
, - Ahmed Kammoona
University of Toronto, Toronto, ON, Canada
, - Jason H. Anderson
University of Toronto, Toronto, ON, Canada
, - Stephen Brown
University of Toronto, Toronto, ON, Canada
, - Tomasz Czajkowski
Altera Corp., Toronto, ON, Canada
FPGA '11: Proceedings of the 19th ACM/SIGDA international symposium on Field programmable gate arrays•February 2011, pp 33-36• https://doi.org/10.1145/1950413.1950423In this paper, we introduce a new open source high-level synthesis tool called LegUp that allows software techniques to be used for hardware design. LegUp accepts a standard C program as input and automatically compiles the program to a hybrid ...
- 403Citation
- 2,537
- Downloads
MetricsTotal Citations403Total Downloads2,537Last 12 Months118Last 6 weeks8
- Andrew Canis
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.
- Normalization: ACM uses normalization algorithms to weigh several types of evidence for merging and splitting names.
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.
- affiliations: names in common with same affiliation weighs toward the two names being the same person.
- publication title: names in common whose works are published in same journal weighs toward the two names being the same person.
- keywords: names in common whose works address the same subject matter as determined from title and keywords, weigh toward being the same person.
The more conservative the merging algorithms, the more bits of evidence are required before a merge is made, resulting in greater precision but lower recall of works for a given Author Profile. Many bibliographic records have only author initials. Many names lack affiliations. With very common family names, typical in Asia, more liberal algorithms result in mistaken merges.
Automatic normalization of author names is not exact. Hence it is clear that manual intervention based on human knowledge is required to perfect algorithmic results. ACM is meeting this challenge, continuing to work to improve the automated merges by tweaking the weighting of the evidence in light of experience.
- Bibliometrics: In 1926, Alfred Lotka formulated his power law (known as Lotka's Law) describing the frequency of publication by authors in a given field. According to this bibliometric law of scientific productivity, only a very small percentage (~6%) of authors in a field will produce more than 10 articles while the majority (perhaps 60%) will have but a single article published. With ACM's first cut at author name normalization in place, the distribution of our authors with 1, 2, 3..n publications does not match Lotka's Law precisely, but neither is the distribution curve far off. For a definition of ACM's first set of publication statistics, see Bibliometrics
- Future Direction:
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.
- Citation Count = cumulative total number of times all authored works by this author were cited by other works within ACM's bibliographic database. Almost all reference lists in articles published by ACM have been captured. References lists from other publishers are less well-represented in the database. Unresolved references are not included in the Citation Count. The Citation Count is citations TO any type of work, but the references counted are only FROM journal and proceedings articles. Reference lists from books, dissertations, and technical reports have not generally been captured in the database. (Citation Counts for individual works are displayed with the individual record listed on the Author Page.)
- 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.
- Publication Years = the span from the earliest year of publication on a work by this author to the most recent year of publication of a work by this author captured within the ACM bibliographic database of computing literature (The ACM Guide to Computing Literature, also known as "the Guide".
- Available for download = the total number of works by this author whose full texts may be downloaded from an ACM full-text article server. Downloads from external full-text sources linked to from within the ACM bibliographic space are not counted as 'available for download'.
- Average downloads per article = The total number of cumulative downloads divided by the number of articles (including multimedia objects) available for download from ACM's servers.
- Downloads (cumulative) = The cumulative number of times all works by this author have been downloaded from an ACM full-text article server since the downloads were first counted in May 2003. The counts displayed are updated monthly and are therefore 0-31 days behind the current date. Robotic activity is scrubbed from the download statistics.
- Downloads (12 months) = The cumulative number of times all works by this author have been downloaded from an ACM full-text article server over the last 12-month period for which statistics are available. The counts displayed are usually 1-2 weeks behind the current date. (12-month download counts for individual works are displayed with the individual record.)
- Downloads (6 weeks) = The cumulative number of times all works by this author have been downloaded from an ACM full-text article server over the last 6-week period for which statistics are available. The counts displayed are usually 1-2 weeks behind the current date. (6-week download counts for individual works are displayed with the individual record.)
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.
How ACM Author-Izer Works
Authors may post ACM Author-Izer links in their own bibliographies maintained on their website and their own institution’s repository. The links take visitors to your page directly to the definitive version of individual articles inside the ACM Digital Library to download these articles for free.
The Service can be applied to all the articles you have ever published with ACM.
Depending on your previous activities within the ACM DL, you may need to take up to three steps to use ACM Author-Izer.
For authors who do not have a free ACM Web Account:
- Go to the ACM DL http://dl.acm.org/ and click SIGN UP. Once your account is established, proceed to next step.
For authors who have an ACM web account, but have not edited their ACM Author Profile page:
- Sign in to your ACM web account and go to your Author Profile page. Click "Add personal information" and add photograph, homepage address, etc. Click ADD AUTHOR INFORMATION to submit change. Once you receive email notification that your changes were accepted, you may utilize ACM Author-izer.
For authors who have an account and have already edited their Profile Page:
- Sign in to your ACM web account, go to your Author Profile page in the Digital Library, look for the ACM Author-izer link below each ACM published article, and begin the authorization process. If you have published many ACM articles, you may find a batch Authorization process useful. It is labeled: "Export as: ACM Author-Izer Service"
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
- Q. What is ACM Author-Izer?
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.
- Q. What articles are eligible for ACM Author-Izer?
- A. ACM Author-Izer can be applied to all the articles authors have ever published with ACM. It is also available to authors who will have articles published in ACM publications in the future.
- Q. Are there any restrictions on authors to use this service?
- A. No. An author does not need to subscribe to the ACM Digital Library nor even be a member of ACM.
- Q. What are the requirements to use this service?
- A. To access ACM Author-Izer, authors need to have a free ACM web account, must have an ACM Author Profile page in the Digital Library, and must take ownership of their Author Profile page.
- 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.
- Q. How do I find my Author Profile page and take ownership?
- A. You will need to take the following steps:
- Create a free ACM Web Account
- Sign-In to the ACM Digital Library
- Find your Author Profile Page by searching the ACM Digital Library for your name
- Find the result you authored (where your author name is a clickable link)
- Click on your name to go to the Author Profile Page
- 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