Working draft. The text and tools are still being checked, and corrections are welcome.

Session formats and roles

What kinds of sessions each program printed, and which roles its listings carry.

Many programs name a session's format, but each uses its own words, and 2013, 2015 and 2024 print none. Roles come from the printed labels: chairs appear only where the program prints them, so a low chair count in 2011, 2014, 2018, 2019, 2022, 2023 or 2024 is a fact about the program, not the conference.
YearSession formats as printedpresenterchairrespondentfacilitatorworkshop leader
1984 Concurrent session 16; Plenary 1; Panel 1; Keynote 1 580000
1985 Not printed 25; Keynote 2; Panel 1 831000
1986 Not printed 37 12534000
1989 Not printed 25; Panel 3; Keynote 3; Optional session 2 1081000
1990 Concurrent session 26; Keynote 3 12925000
1995 Panel 39; Individual Presentations 19; Workshop 8; Roundtable 2; Plenary 2; Panel and Individual Presentation 2; Poster 1; Keynote 1 246631500
1996 Panel 54; Workshop 24; Not printed 3; Plenary 2; Forum 2; Demonstration 2; Roundtable Discussion 1; Presentation 1; Demonstration Panel 1 251300294
1997 Not printed 57; Workshop 19; Presentation 2; Interactive Demonstration 2; In-Conference Workshop 2; Demonstration 2; Roundtable 1; Poster Session 1; Open Forum 1 24830120
1998 Not printed 56; Workshop 5; Special Event 4; Keynote 1 20120318
1999 Session 25; Panel 17; Forum 11; Workshop 9; Keynote 3; Town Hall 2 196103028
2000 Not printed 64; Teachers & Administrators Day 11; Special Event 2; Keynote 2 282100031
2001 Session 85; Town Hall 2 29885300
2002 Panel 78; Half Day Workshop 8; Full Day Workshop 5; Roundtable 4; Forum 4; Special Event 2; Poster Session 1; Hands-on 1; Featured Speaker 1 3549101919
2003 Panel 78; Roundtable 6; Poster Session 3; Town Hall 2; Keynote Speaker 2; Half-Day Workshop 2; Full-Day Workshop 2; Linux Workshop 1; Forum 1; Featured Speaker 1 33419320
2004 Panel 56; Workshop 9; Roundtable 7; Demonstration 3; Town Hall 2; Poster 1 23462002
2005 Panel 65; Workshop 5; Town Hall 3 22035060
2006 Session 71; Workshop 6 23771000
2007 Not printed 66; Roundtable 5 22768000
2008 Not printed 63; Workshop 5; Roundtable 2; Town Hall 1 265661190
2009 Not printed 60; Roundtable 5; Town Hall 4; Keynote 2; Round Table 1 24670000
2010 Panel 104; Roundtable 8; Mini-Workshop 8; Deliverator 6; Featured Speaker 3; Town Hall 2; Mini-Workshop 2 2; The Journal for Undergraduate Multimedia Projects (TheJUMP) 1; Software Demonstration 1; Roundtable (Part 2) 1; Roundtable (Part 1) 1; Poster Sessions 1; Mini-Workshop 1 1; Discussion 1 45055010
2011 Panel 92; Mini-workshop 21; New Media Poster/Installation 14; Roundtable 12; Mentoring 4; Half-day Afternoon Workshop 4; New Media Performance/Presentation 3; Keynote 3; Half-day Morning Workshop 3; Conversation Starters 3; Half-Day Morning Workshop 2; Town Hall III 1; Town Hall II 1; Town Hall I 1; Panel/Performance 1; Graduate Research Network 1 52030321
2012 Panel Presentation 80; Roundtable 8; Installation 8; Featured Session 8; CREATE! 6; ConstrucTEXT 4; Town Hall 3; Keynote 3; Half-Day Workshop B 3; Half-Day Workshop A 3; Full-Day Workshop 3; PaneL Presentation 2; Session] 1; Not printed 1; Graduate Research Network 1; ConstrucT EXT 1 4388100
2013 Not printed 109; Keynote 3; Caucus 2 372110000
2014 Not printed 109; Keynote 3; Town Hall 2; Caucus 1 3843000
2015 Not printed 117; Keynote 3; Working Group 1; Town Hall 1; Roundtable 1 453119000
2018 Panel 95; Mini-Workshop 21; Roundtable 12; Not printed 11; Keynote 2; SIG 1; Poster 1; Play 1; Graduate Research Network 1 5212000
2019 Panel 89; Roundtable 14; Mini Workshop 14; Keynote 2; Town Hall 1; Poster 1 4350000
2022 Panel 78; Digital Activism Showcase 18; Lightning Talk / Roundtable 12; Emergent Voices 6; On-site Workshop 4; Virtual Lightning Talk / Roundtable 3; Virtual Panel 2; Poster 2; Not printed 2; Working Group 1; Virtual Poster Presentation 1; Technology Showcase 1; Keynote 1; Info Session 1 4720300
2023 Panel 26; Asynchronous 24; Hybrid Panel 20; Virtual Panel 9; Workshop 8; Town Hall 3; Virtual Roundtable 2; Roundtable 2; Keynote 2; Closed Session 2; Not printed 1; Hybrid Roundtable 1; Hybrid Lightning Talk 1 2740120
2024 Not printed 68; Keynote 2; Town Hall 1; Poster Session 1 100000