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  • AsianPLoP


    Asian Conference on Pattern Languages of Programs (PLoP) conference is a premier event for pattern authors and users to gather, discuss and learn more about patterns and software development in the Asia region as well as other regions. The purpose of AsianPLoP is to promote 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 Asian PLoP Official Site   Read More
  • EuroPLoP


    EuroPLoP is the premier European conference on patterns and pattern languages. EuroPLoP 2017 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. It will be a gathering of experienced Scrum practitioners, assembled with the goal of contributing to the body of pattern literature with proven practices. 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
  • Viking PLoP

    Viking PLoP

    VikingPLoP contains writer’s workshops for submitted pattern papers, focus groups, and other activities. The conference provides participants with the opportunity to share their experience about patterns and software. As with the PLoP series of conferences, our overall goal is to build a community of patterns' people. VikingPLoP especially encourages submissions related to embedded systems, however, also other pattern-related topics are very welcome. Read More
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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

PLoP Conference News

The position of Program Chair is one with rewards and recognitions But to get to that point, there are a number of things that must get done.

  • Conference -1 year
  1. Work with Hillside and the Conference Chair to determine the dates of PLoP
  2. Any special plans that you might have for the conference that can change the usual number of days needs to be communicated and planned for. The facility might not be available, or the dates might have to shift slightly.
  3. Consult with the conference chair to make arragements for
    • special speakers/attendees
    • game-master
  • Conference -9 months
  1. Start serious work on the call for papers.
    • Will it be only Writers' Workshops, or will there be some other kind of activity. Does that other activity need a leader to self-volunteer (like a hot topic at ChiliPLoP, or a "focus group")? What are the parameters around the focus group that need to be advertised?
  1. Prepare the website and call for papers
    • The Hillside website needs to be updated to point people to the current year's conference.
    • The conference website should have enough information for a focus group/hot topic leader to know what they need to do to submit one.
  2. Begin looking for shepherds
    • An initial call for shephers has sometimes been done.
    • Discussing the shepherding season schedule with your peers at the other conferences that meet in the summer & fall can help avoid *everyone* needing shepherds at the same time.
  3. Assemble program committee
    • These folks can give advice & counsel about general topics.
    • Traditionally they "oversee" the shepherding process by looking over author's shoulders
    • They might be able to draw in attendees also
  • Conference - 8 months
  1. Send the call for papers to all the websites and journals of interest
  • Submission Deadline - 1 month
  1. Turn on the submission website
  2. Personal invitaitions to regulars/strong participants to encourage papers/attendance
  3. What is the conference going to look like? What special touches do *you* want to add to PLoP? Start thinking about this.
  4. Revise website.
    • Make sure dates are correct for shepherding schedule
    • Add any new thoughts about focus groups/hot topics
  5. Reminder call for papers (Since CFP/website has been modified)
  • Submission Deadline
  1. Begin Triage of papers
    • Are they patterns?
    • Are there too many from the same author?
    • Are they ready for shepherding?
  2. Announce shepherding start
    • Support shepherds collecting papers
    • request additional shepherds
    • assign shephards and PC members to papers
  3. Watch shepherding and handle any issues
  4. Define 99% correct schedule for the actual conference. The Conference chair will want this to help start logistics of events and meals.
  • Paper Acceptance Deadline
  1. Collect recommendations from shepherds and PC members for each paper
  2. Decide which papers (if any) to reject
  3. Start grouping patterns into workshop groups. Use whatever method makes the most sense to you. (In 1997 the "non-OO" workshop group had a Smalltalk pattern
  • Pre-Conference Paper Deadline
  1. Accept the revised papers that are ready for workshopping. Ensure that you have all the latest ones, since the Conference Chair is going to burn CDs
  2. Prepare the pre-conference paper website with workshop information so people know which papers to read
  3. Identify workshop group leaders
    • These are the people that will get the group started,
    • train the newbies on how to act in a Writer's Workshop,
    • act as the final arbiter of conflict in the workshop group,
    • lead any of your special initiatives that relate to workshop groups,
    • mentor other members of the workshop group in pattern writing and writers' workshop moderation/leadership style.
  • Conference - 3 weeks
  1. Advertise the pre-conference paper website
  2. Encourage people to read papers in advance
  3. Encourage registration
  4. Prepare final schedule
  5. Encourage workshop groups to start an email dialog
    • Some issues can be settled in advance, like paper order, basic introductions, etc.
  • Conference - 1 week
  1. Final reminders
  2. Do you have your own plane tickets?
  3. Are the workshop groups all set? leaders ready?
  4. papers still all set (any papers that need to be removed because of non-registration)?
  5. Arrange demo Writers' Workshop
  • Select pattern to workshop
  • Who will participate? (usually "old-heads" and workshop group leaders)
  • Who will fill what roles? (Need a traditional moderator AND a meta-moderator)
  • Conference
  1. Introduce the conference
  2. Introduce Writers' Workshops
  3. Introduce workshop process (demo)
  4. Handle problems as they arise

  • Hillside Fellowship Award 2016
  • Security Patterns in Practice
  • PLoP Conference Proceedings
  • Asian PLoP
  • 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

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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

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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

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Asian PLoP

The premier Asian conference on
Pattern Languages of Programs

AsianPLoP solicits paper submissions written in both of English and Japanese; English papers and Japanese ones will be discussed in different sessions. Both practitioners from the industry and academics are invited to submit their papers. The conference solicits the papers for the following different sessions. Details can be found in Topics

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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

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