{{Infobox journal | title = ACM Transactions on Programming Languages and Systems | cover = | editor = Alastair F. Donaldson | discipline = Programming language | abbreviation = ACM Trans. Program. Lang. Syst. | publisher = ACM | country = United States | frequency = Quarterly | history = 1979–present | openaccess = | license = | impact = 0.410 | impact-year = 2020 | website = http://toplas.acm.org/ | link1 = https://dl.acm.org/journal/toplas | link1-name = Online access | link2 = https://dl.acm.org/loi/toplas | link2-name = Online archive | JSTOR = | OCLC = | LCCN = | CODEN = | ISSN = 0164-0925 | eISSN = 1558-4593 }} The '''''ACM Transactions on Programming Languages and Systems''''' ('''''TOPLAS''''') is a quarterly, open access, peer-reviewed scientific journal on the topic of programming languages published by the Association for Computing Machinery.
It has been used as a model for teaching the peer review process to graduate students because of its "reputation as a top journal within the computer science community".<ref>{{cite journal | last1 = Palsberg | first1 = Jens | last2 = Baxter | first2 = Scott J. | date = December 2002 | doi = 10.1145/585597.585612 | issue = 12 | journal = Communications of the ACM | pages = 22–24 | publisher = Association for Computing Machinery (ACM) | title = Teaching reviewing to graduate students | volume = 45}}</ref>
== Background == Published since 1979, the journal's scope includes programming language design, implementation, and semantics of programming languages, compilers and interpreters, run-time systems, storage allocation and garbage collection, and formal specification, testing, and verification of software. It is indexed in Scopus and SCImago.<ref>{{cite MIAR |title=ACM Transactions on Programming Languages and Systems |issn=0164-0925 |access-date=2022-06-11}}</ref>
The editor-in-chief is Alastair F. Donaldson (Imperial College London).<ref>{{cite web|url=https://dl.acm.org/journal/toplas/editorial-board|title= Editorial Board |accessdate= 2025-12-02}}</ref> After being ranked as a top-quartile journal in software by SCImago from 1999 to 2016, it has been ranked as second-quartile from 2021 through 2024, with an impact factor of 0.564.<ref>{{cite web|url=https://www.scimagojr.com/journalsearch.php?q=27836&tip=sid|title=ACM Transactions on Programming Languages and Systems|work=SCImago Journal Rank|access-date=2025-12-22}}</ref>
==References== {{Reflist}}
== External links == * {{official website}} * [https://dl.acm.org/journal/toplas TOPLAS] at ACM Digital Library * [https://dblp.org/streams/journals/toplas TOPLAS] at DBLP
Category:Computer science journals Category:English-language journals Category:Academic journals established in 1979 Category:Bimonthly journals Transactions on Programming Languages and Systems Category:Quarterly journals
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