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  • PLoP


    For the 25th conference, Pattern Languages of Programs (PLoP®) in 2018 will be held in Portland Oregon in conjunction with the PUARL Conference October 24th - 26th.  The purpose of AsianPLoP is to promote the development of patterns, pattern languages, technologies and experiences of patterns primarily about software; however, these for domains outside of software are also welcome. Visit the PLoP Official Site Read the full story Read More
  • EuroPLoP


    EuroPLoP is the premier European conference on patterns and pattern languages. The purpose of PLoPs is to promote the development of patterns, pattern languages, technologies and experiences of patterns. EuroPLoP 2018 will be held again at Kloster Irsee, Bavaria, Germany. At this fantastic venue you will experience a creative and constructive atmosphere that inspires your work. Visit the EuroPLoP Official Site. Read the full story Read More
  • ScrumPLoP


    ScrumPLoP is a PLoP® conference that is a gathering of experienced Scrum practitioners, assembled with the goal of contributing to the body of pattern literature with proven practices. . The purpose of PLoPs is to promote the development of patterns, pattern languages, technologies and experiences of patterns If you don't yet know what a PLoP conference is, read about what a PLoP is here. Visit the ScrumPLoP Official Site. Read More
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The Hillside Mission

The mission of the Hillside Group is to improve the quality of life and society as a whole. This includes architects, developers, managers, owners, workers, educators, students, and more. Understanding and helping the human element is critical for achieving success. The Hillside Group believes in making processes and design more humane by paying attention to real people and existing practices.

The Hillside Group promotes the use of patterns and pattern languages to record, analyze, and share knowledge to help achieve its mission. The Hillside Group sponsors a variety of activities to achieve this mission—organizing workshops, hosting PLoP (pattern) conferences, and producing publications for discussing, recording, and documenting successful practices.

The Hillside Group supports many different conferences such as: PLoP, EuroPLoP, AsianPLoP, VikingPLoP, SugarLoafPLoP, and ChiliPLoP. These conferences focus on writing groups to better improve patterns through group exposure. Each conference offers advanced topics for the more adept pattern writers. Participants have the opportunity to refine and extend their patterns with help from knowledgeable and sympathetic patterns enthusiasts.

Pattern Books

The Design Patterns Book Series showcases many patterns from PLoP conferences and leading experts in the patterns field.

See our Pattern Book Library filled with over 80 Pattern related books.

Patterns Resources

This letter was used as a suggested template for the one Shepherds use to introduce themselves to their authors and to introduce the shepherding process. Also see Shepherd Letter Bobby and Shepherd Letter Steve.

Dear <author_contact_name>,

My name is <shepherd_name>. Thank you for submitting your work, "<paper_title>," for PLoP '99. Unlike other conference submissions, your work will go through a shepherding process. I will be your shepherd for this paper. This means I will help you improve your submission prior to the conference. We will have the opportunity for several iterations of changes to your work so that you can present the best possible paper for comment at the conference. I will also play a role in deciding whether or not your paper is accepted for the conference. It is in your best interest to use this opportunity to improve your paper as much as possible. People who make the most of this process will have the best chances of being accepted to the conference.

Assisting me in the shepherding process is a member of the conference program committee, <pc_member_name>. <He/She> will keep an eye on the progress we are making and help us if needed. Please CC the program committee member on all correspondence between us.

Here is the schedule for the acceptance process:

     Shepherding Recommendations Due    Fri, June 18, 1999
Notification of Acceptance Thu, July 1, 1999
Final Conference Copy Due Fri, July 16, 1999
Conference Dates August 15-18, 1999

We have between today and June 18th to work on your paper. If your paper is accepted, you will have another chance to make changes to your final draft for the conference. The final version is due by July 16th.

I will be contacting you within a few days with my initial comments on your paper. In the meantime, if you have any questions about the shepherding process or the conference, feel free to contact me at <shepherd_email_or_phone>.

I look forward to working with you.


contents of this page originally posted on

  • Hillside Fellowship Award
  • PLoP 2018 in Portland
  • Security Patterns in Practice
  • PLoP Conference Proceedings
  • EuroPLoP

The Hillside Fellowship Award

Congratulations to Ralph Johnson and Richard Gabriel for being presented the first Hillside Fellowship award at the 2016 PLoP event at Allerton, PLoP 2016 .

Hilside Fellowship Award Recipients 2016

The Hillside Fellowship Program was established in 2016 to recognize members of The Hillside Group who have made exceptional contributions to the Hillside community and to the patterns community at large. The title of Hillside

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PLoP™ 2018 in Portland, Oregon

Check out the main PLoP Website for more information and details!!!

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Security Patterns in Practice

Eduardo Fernandez's new book " Security Patterns in Practice: Designing Secure Architectures with Software Patterns " has been published.


It is the result of 14 years of producing security patterns with students and colleagues. Almost all of these patterns went through PLoP, EuroPLoP, AsianPLoP, or SugarLoafPLoP. Many of you have participated as shepherds or workshop commentators, the book owes something to

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PLoP Conference Proceedings

After the PLoP Workshops, writers are encouraged to modify their papers and submit a final version. The final versions are collected and submitted to the ACM Digital Library. The versions are also available from the conference website.

Conference Proceedings (ACM Digital Library)

Some of the PLoP accepted papers have been published on the ACM Digital Library . The program committee will

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European Conference on Pattern Languages of Programs

EuroPLoP is a conference that explores, develops and celebrates patterns in software. As with PLoP in the US, the main focus of EuroPLoP will be a series of writer's workshops where pattern authors work together to improve their patterns.

In addition to these workshops there will be discussion groups, BOF sessions and working groups (similar

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Learn More about Patterns


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