Table 10 Precision results for clustering based event detection: Melbourne detected events in 2017 using geotagged tweets (random selection of 20 events)
From: Real-time spatio-temporal event detection on geotagged social media
Detected events results | Manual assessment | ||||||
|---|---|---|---|---|---|---|---|
ID | Date & time | Top 5 hashtags/mentions: # of tweets | C | A | SI | ? | Event description |
1 | -S 01-10 13:00 -E 01-10 13:40 | Â | 6 | 0.25 | 0 | 0 | Not a valid event |
2 | -S 01-14 8:20 -E 01-14 11:10 | #tennis: 5, #ausopen: 5, #australianopen: 4, #sport: 2, #melbourne: 2 | 11 | 0.25 | 1.636 | 1 | Australian Open from 10 Jan 17 to 29 Jan 17 |
3 | -S 02-24 5:50 -E 02-24 8:40 | #melbwc17: 4, #gymnasticsworldcup: 3, #polskiprogram: 2, @streetsmithmelb: 1, #melbourne: 1 | 7 | 0.25 | 1.571 | 1 | 2017 World Cup Series at Melbourne’s Hisense Arena from 22 Feb 17 to 25 Feb 17 |
4 | -S 02-26 4:40 -E 02-26 7:30 | #melbourne: 4, #viktorandrolf: 2, #black: 2, #sketchbook: 2, #help: 2 | 33 | 0.25 | 0.364 | 1 | National Gallery of Victoria: Dutch fashion designers Viktor & Rolf are on display from 21 Oct 16 to 26 Feb 17 |
5 | -S 03-1 21:10 -E 03-2 0:00 | Â | 5 | 0.25 | 0 | 0 | Not a valid event |
6 | -S 03-19 22:20 -E 03-19 23:50 | #firealarm: 1, @estellereport: 1, @vamff: 1 | 5 | 0.25 | 0.6 | 0 | Not a valid event |
7 | -S 03-21 1:50 -E 03-21 4:10 | @tonydohertyoz: 2, #selfies: 1, #figure: 1, #melbourne: 1, #southwharf: 1 | 5 | 0.25 | 1.2 | 0 | Not a valid event |
8 | -S 04-2 9:10 -E 04-2 11:50 | #dixiechicks: 2, #happinessis: 1, #concertphotography: 1, #melbourne: 1, #concert: 1 | 6 | 0.25 | 1 | 1 | Dixie Chicks at Rod Laver Arena on 1 Apr 17 and 2 Apr 17 |
9 | -S 04-8 23:50 -E 04-9 1:30 | #r4k: 4, #dolphinproducts: 1, #teamhmb: 1, #mazdar4k: 1, #melbourne: 1 | 5 | 0.25 | 1.6 | 1 | 2017 Herald Sun/City Link Run for the Kids on 9 Apr 17 |
10 | -S 04-23 5:20 -E 04-23 8:00 | @mcg: 5, @hawthornfc: 3, #alwayshawthorn: 1, #wow: 1, #strongasone: 1 | 14 | 0.25 | 0.786 | 1 | Melbourne Cricket Ground: Hawthorn - West Coast) |
11 | -S 05-5 21:20 -E 05-6 0:10 | @golfclearanceau: 1, #allstarcomics: 1, #melbourne: 1, #temellijewellery: 1, #fcbd: 1 | 6 | 0.25 | 0.833 | 1 | Free Comic Book Dayon 6 May 17 |
12 | -S 06-21 2:10 -E 06-21 2:50 | @fowl2: 1, @codeblackcoffee: 1, @blognaturgesetz: 1, @hnrysml: 1, @bronte: 1 | 10 | 0.25 | 0.5 | 0 | Not a valid event |
13 | -S 07-2 1:30 -E 07-2 4:10 | #vflmagpies: 4, #gopies: 1 | 7 | 0.25 | 0.714 | 1 | VFL round 11 : Collingwood v Footscray on 2 Jul 17 in Victoria Park. |
14 | -S 07-19 9:30 -E 07-19 12:10 | #melbourne: 5, #amritmaan: 1, #dansperspective: 1, #film: 1, #dovetonboymadegood: 1 | 21 | 0.25 | 0.429 | 0 | Not a valid event |
15 | -S 07-23 4:20 -E 07-23 7:10 | #peterpan: 2, #wheninmelbourne: 1, #street: 1, #pirates: 1, #twerk: 1 | 7 | 0.25 | 0.857 | 1 | The Adventures of Peter Pan & Tinker Bell: Comedy Theatre from 23 Jun to 30 Jul 17. |
16 | -S 08-20 1:50 -E 08-20 4:10 | #fathersday: 6 | 6 | 0.25 | 1 | 0 | Not a valid event |
17 | -S 09-7 1:30 -E 09-7 4:10 | #australia: 2, #melbourne: 2, #travel: 2, #hosierlane: 1, @fedsquare: 1 | 9 | 0.25 | 0.889 | 0 | Not a valid event |
18 | -S 10-27 1:40 -E 10-27 4:00 | @melbcentral: 1, @sephora: 1, @melbfestival: 1, @yarratrams: 1, #arttram: 1 | 6 | 0.25 | 0.833 | 0 | Not a valid event |
19 | -S 11-1 7:20 -E 11-1 9:50 | @fucktyler: 3, #melbourne: 3, @converse: 3, @stacksroyal: 1, @mikel: 1 | 9 | 0.25 | 1.222 | 0 | Not a valid event |
20 | -S 12-30 23:20 -E 12-31 2:10 | #melbourne: 8, #job: 3, #culturaltart: 2, #money: 1, @acmi: 1 | 28 | 0.25 | 0.536 | 0 | Not a valid event |