BAA

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Logo of the BAA.

The British APL Association (BAA; infrequently BAPLA) is a user group founded in 1984 in England to promote APL, and the publisher of Vector journal. It is funded by its sustaining members, which include corporate users and the APL vendors APL2000, Dyalog Ltd., Kx Systems, and MicroAPL.

The BAA was a Specialist Group of the British Computer Society from its early years (possibly beginning after APL86[1]) until it left in response to increasing requirements made by the BCS in 2008.[2]

Activities

Symposium

From 2008 and until the onset of the COVID-19 pandemic, the BAA London group arranged a monthly open-for-all meet-up, called the symposium, at the The Hoop and Grapes pub on Farringdon Street in London. No sign-up was required.

Logo of the Vector journal.

Vector journal

Vector, the journal of the BAA, began publication in 1984, and gradually took the place of APL Quote Quad as the de-facto leading publishing channel for APL content. The journal featured submitted articles on array programming including J and K, as well as news from APL and other array language vendors. Beginning in 2005, with volume 21 issue 4, the journal was issued online as well as in print, and some prior articles have also been made available online.[3] It was published quarterly until 2004, when late and sometimes skipped issues began to interrupt its formerly regular schedule. Releases slowed more significantly after 2008, and in 2016, following the completion of volume 26, the journal moved entirely to online publishing. So far a single issue has been published this way, in 2019.

BAPLA 09

The British APL Association held a 2-day conference, BAPLA 09, on June 8th & 9th 2009 at DeVere Hotel, Wokefield Park, near Reading, UK

Webinar

In response to the restrictions imposed during 2020 by the COVID-19 pandemic, BAA has arranged a series of webcasts to replace their regular monthly symposium.[4] The series proved popular, and was continued throughout 2021[5] and into 2022.[6] Initially, each event consisted of half an hour of social interaction, followed by a single presentation of about an hour, and a Q&A session, though some webinars were so-called open sessions which are more similar to the monthly symposium, in being informal meetings where APLers discuss and present whatever they feel like, with no particular subject decided on beforehand. Eventually, the series evolved so that most meetings were of this general meetup nature, with only a minority of events having an agenda. Participants are still encouraged to present or raise any subject, and can request in advance that an episode is set aside for such.

The events are held at 16:00 UK time, every other Thursday on even-numbered ISO weeks. The current week number can easily be determined using Dyalog APL: 2¯11⎕DT'Z' gives 26 this week.

BAA webinars are held using Zoom:

2020

No. Date Presenter(s) Title
1 Apr 9th 2020 Richard Park, Dyalog Molecular Dynamics-in-APL
2 Apr 23rd 2020 MJH Software Services Introducing qWC Alpha 0.4
3 May 7th 2020 Adám Brudzewsky, Dyalog Meet the new APL Wiki
4 May 21st 2020 Phil Last Acre source-code manager update
5 Jun 4th 2020 Paul Grosvenor British APL Association AGM
6 Jun 18th 2020 Bob Armstrong CoSy : The Shortest Path from the Chip to the Math
7 Jul 2nd 2020 Adám Brudzewsky aplcart.info turns 1
summer break
8 Aug 13th 2020 John Jacob BAA websites: New features
Ellis Morgan An APL recreation
9 Aug 27th 2020 Open Session
10 Sep 10th 2020 Open session
11 Sep 24th 2020 Ray Cannon Using SVG from Dyalog APL for animated visualisation
12 Oct 8th 2020 Ray Polivka Seats in the House of Representatives
13 Oct 22nd 2020 Open Session
14 Nov 5th 2020 Open session
15 Nov 19th 2020 Open session
16 Dec 3th 2020 Open session
17 Dec 17th 2020 Stephen Taylor Iverson Centenary

2021

No. Date Presenter(s) Title
18 Jan 14th 2021 Open session
19 Jan 28th 2021 Open session
20 Feb 11th 2021 Open session
21 Feb 25th 2021 Open session
22 Mar 11th 2021 Open session
23 Mar 25th 2021 Conor Hoekstra Algorithms as a tool of thought
Log-On Software APL2 update
24 Apr 8th 2021 Open session
25 Apr 22nd 2021 Open session
26 May 6th 2021 Open session
27 May 20th 2021 Martin Neitzel The J Workbench
28 Jun 3rd 2021 Open session
29 Jun 17th 2021 Open session
30 Jul 1st 2021 Paul Grosvenor British APL Association AGM
32 Jul 15th 2021 Open session
33 Jul 29th 2021 Open session
34 Aug 12th 2021 Paul Grosvenor EGM to ratify changes to BAA regulations
35 Aug 26th 2021 Open session
36 Sep 9th 2021 Open session
37 Sep 23th 2021 Open session
38 Oct 7th 2021 Open session
39 Oct 21st 2021 Open session
40 Nov 4th 2021 Open session
41 Nov 18th 2021 Open session
42 Dec 2nd 2021 Open session
43 Dec 16th 2021 Open session

2022

No. Date Presenter(s) Title
44 Jan 13th 2022 Open session
45 Jan 27th 2022 Open session
46 Feb 10th 2022 Open session
47 Feb 24th 2022 Open session
48 Mar 10th 2022 Open session
49 Mar 24th 2022 Open session
50 Apr 7th 2022 Open session
51 Apr 21nd 2022 Open Session
52 May 5th 2022 Open Session
53 May 19th 2022 Open Session
54 Jun 2nd 2022 Open Session
55 Jun 16th 2022 Open Session
56 Jun 30th 2022 Paul Grosvenor British APL Association AGM (to be confirmed)
57 Jul 14th 2022 Open Session
58 Jul 28th 2022 Open Session
59 Aug 11th 2022 Open Session
60 Aug 25th 2022 Open Session
61 Sep 8th 2022 Open session
62 Sep 22nd 2022 Open Session
63 Oct 6th 2022 Open Session
64 Oct 20th 2022 Open Session
65 Nov 3rd 2022 Open session
66 Nov 17th 2022 Open session
67 Dec 1st 2022 Open session
68 Dec 15th 2022 Open session

Iverson Centenary

On 17 December 2020, a special webinar was arranged to celebrate the 100th anniversary of the birth of Ken Iverson. Around 200 attendees from around the world attended as the panel consisting of Roger Hui, Leslie Goldsmith, Rebecca Kelly (of KX), Devon McCormick, Morten Kromberg, Simon Garland, and Stephen Taylor reflected on their experiences of working with and learning from Iverson. The legacy of Iverson Notation for APL, J, Q and other languages was discussed, together with the future of Iversonian notations.[7]

The logo adopted through BAA's efforts.

Main article: APL logo

After a consensus at the September 9th 2021 webinar, BAA headed an effort to adopt a universal vendor-agnostic logo for APL. This work concluded at the 2022-05-19 webinar.

Organisation

The BAA is administered by a committee of officers elected by ballot of Association members at the Annual General Meeting. Working groups are also established in areas such as activity planning and journal production. Offers of assistance and involvement with any Association matters are always welcomed.

Funding for the BAA comes entirely from the sustaining members. In many cases, these sustaining members also provide manpower and administrative assistance to the association at their own cost.

The current chairman is Paul Grosvenor.

External links

  • The Vector archives are significant and relevant for understanding APL and related languages today

References

  1. Anthony Camacho. "BAA Annual General Meeting 2010". Vector journal volume 24 issue 4. 2010-12.
  2. Paul Grosvenor. "Changes at the BAA" (pdf). Vector journal volume 23 issue 4. 2008-09.
  3. Stephen Taylor. "Editorial: Discover, Learn, Profit". Vector journal volume 21 issue 4. 2005-09.
  4. BAA. Webinar Schedule for 2020.
  5. BAA. Webinar Schedule for 2021.
  6. BAA. Webinar Schedule for 2022.
  7. BAA Editor. Iverson Centenary – 17 December 2020. Jul 14, 2021.
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