Attending HOPL IV

HOPL IV will be held Sunday, June 20, through Tuesday, June 22, 2021.

To attend HOPL IV, visit the main page for PLDI 2021 and follow the instructions there (register if you have not already done so; once you are registered, click the button that says “Virtual Conference Site” and then click “Sign Up” to create a password for attending).

Register to attend HOPL IV

HOPL IV will be held Sunday, June 20, through Tuesday, June 22, 2021.

To register for HOPL IV, visit the registration page for PLDI 2021.

Your single conference registration there includes access to all three days of HOPL IV, all three days of PLDI, and all other colocated conferences, workshops, and tutorials.

The main PLDI conference will be Wednesday, June 23, through Friday, June 25. For other affiliated events, see the PLDI 2021 website.

Still current! (13 Sep 2020)  HOPL IV will be virtual, co-located with PLDI 2021

Since HOPL IV was postponed from its originally planned dates in June 2020, we have worked with SIGPLAN to co-locate HOPL IV with PLDI 2021. However, because of the continuing COVID-19 (coronavirus) situation, SIGPLAN has now determined that there will not be a physical meeting for HOPL or PLDI in June 2021; both conferences will be virtual, held online.

HOPL IV will be held Sunday, June 20, through Tuesday, June 22, 2021. The main PLDI conference will be Wednesday, June 23, through Friday, June 25. For other affiliated events, see the PLDI 2021 website.

We will post additional information here after more details have been worked out.

HOPL IV, like PLDI, follows the ACM Policy Against Harassment at ACM Activities. Please familiarize yourself with the policy and guide for reporting unacceptable behavior.

We thank everyone who has contributed so far to HOPL IV by submitting papers, reviewing and shepherding them, and preparing them for publication, and we also thank our amazing sponsors for their support.

Still current! (12 Jun 2020)  HOPL IV papers are now available

All 19 HOPL IV papers, as well as an Editorial Message and Appendices explaining the HOPL IV reviewing process, have been published and are now available in the ACM Digital Library as the June 2020 issue of PACMPL.

All PACMPL papers—and therefore all HOPL IV papers—are published Open Access, thus making them freely accessible for all through the ACM Digital Library.

Guy Steele and Richard Gabriel, Co-chairs, HOPL IV

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The History of Programming Languages conference series produces accurate historical records and descriptions of programming language design, development, and philosophy. It is infrequently held: the first three were in 1978, 1993, and 2007. It’s now time for HOPL IV.

OLD! (12 Jun 2020)  HOPL IV will be postponed Because of the COVID-19 (coronavirus) situation, SIGPLAN has determined that there will not be a physical meeting for HOPL or PLDI in June. HOPL IV will be postponed; PLDI 2020 will be a virtual conference. We are working with SIGPLAN to identify a new time and place for the physical HOPL meeting, probably in the first half of 2021. We will post additional information here once the details have been worked out. We thank everyone who has contributed so far to HOPL IV by submitting papers, reviewing and shepherding them, and preparing them for publication, and we also thank our amazing sponsors for their support.

OLD! (28 Feb 2020) We are pleased to announce the List of Accepted Papers. These are the nineteen papers that will be presented in London in June. The complete conference schedule will be posted soon, and conference registration will open in mid-March.

OLD! (22 Feb 2019) Now posted for the benefit of authors (as well as anyone else who cares to look) are two documents that have been used to guide the work of the HOPL IV program committee: HOPL IV Reviewing Principles (a guide for those reviewing HOPL papers, with comments on how HOPL differs from other SIGPLAN conferences) and HOPL Shepherding (a guide for program committee members serving as shepherds).

OLD! (3 May 2018) The submissions website for HOPL IV at hopl4.hotcrp.com is now open. See the updated Call for Papers for detailed instructions on how and when to submit an abstract and then a full paper. Abstracts are due by 31 July 2018; first drafts of full papers are due by 31 August 2018.

OLD! (13 Feb 2018) We have now completed and posted all four sets of Questions for Authors, addressing Early History of a specific language, later Evolution of a specific language, cross-language examination of a specific Feature or Concept, and consideration of a Class of Languages having a common theme or purpose. Authors please see the Content Guidelines for Authors for a description of how to use these questions while preparing a paper.