Rush: Repeated Recommendations on Mobile Devices - IUI'10

Rush: Repeated Recommendations on Mobile Devices Dominikus Baur, Sebastian Boring, Andreas Butz Media Informatics Group University of Munich, Germany

Recommendation + Interaction

• Has only been applied to text entry • No study of interface parameters such as orientation or direction

Navigation

Recommendations

Selection

Two studies: Interface I. Parameters Suitability, II. Recommendation Strategies

A, B, C, D.... I.

A, B, C, D.... ? I.

iPhone iPhone horizontal vertical I.

rush rush interface interface horizontal vertical I.

• Main goal: Find the optimal parameters for orientation and direction. For more details, see the paper. I.

• 12 participants (2 left-handed) • 16 timed runs (+ 16 trial runs) I.

40s 30s Task Time 20s 10s 0s Horizontal Vertical Device Orientation I.

• (H2) Dominant hand > non-dominant hand • Only right-handers: No signiﬁcant difference! (26.39s to 26.34s) I.

• 3900 song set • sufﬁciently popular (at least 500.000 times played on last.fm) • at least 10 similar songs for each item (data from last.fm) II.

• Task: Create a playlist with ten songs based on the same seed song for a social event. II.

Neutral Milk Hotel 62.25 Two-headed Boy Neutral Milk Hotel 62.11 Communist Daughter The Decemberists 3.85 Neutral Milk Hotel The Crane Wife In the Aeroplane over the The Decemberists Sea 3.68 O Valencia! Sufjan Stevens 3.59 Casimir Pulaski Day The Decemberists 3.53 Yankee Bayonet (I Will Be Home Then) Sufjan Stevens 3.36 Chicago 4 2 1 3 5 3.28 Wolf Parade Shine a Light Arcade Fire 3.24 Neighborhood #1 (Tunnels) Elliott Smith 3.14 Say Yes The Shins 3.10 Kissing the Lipless The National 3.10 Fake Empire 2.92 Fleet Foxes White Winter Hymnal II.

Neutral Milk Hotel 62.25 Two-headed Boy 1 Neutral Milk Hotel 62.11 Communist Daughter 2 Neutral Milk Hotel 3.85 The Decemberists The Crane Wife 3 In the Aeroplane over the Sea 3.68 The Decemberists O Valencia! 4 Sufjan Stevens 3.59 Casimir Pulaski Day 5 The Decemberists 3.53 Yankee Bayonet (I Will Be Home Then) Sufjan Stevens 3.36 Chicago 4 2 1 3 5 3.28 Wolf Parade Shine a Light Arcade Fire 3.24 Neighborhood #1 (Tunnels) Elliott Smith 3.14 Say Yes The Shins 3.10 Kissing the Lipless The National Top-5 3.10 Fake Empire 2.92 Fleet Foxes White Winter Hymnal II.

Neutral Milk Hotel 62.25 Two-headed Boy Neutral Milk Hotel 62.11 Communist Daughter Neutral Milk Hotel 3.85 The Decemberists The Crane Wife 3 In the Aeroplane over the The Decemberists Sea 3.68 O Valencia! Sufjan Stevens 3.59 Casimir Pulaski Day 1 The Decemberists 3.53 Yankee Bayonet (I Will Be Home Then) Sufjan Stevens 3.36 Chicago 4 2 1 3 5 3.28 Wolf Parade 4 Shine a Light Arcade Fire 3.24 Neighborhood #1 (Tunnels) Elliott Smith 3.14 Say Yes The Shins 3.10 Kissing the Lipless 5 The National 2 Random 3.10 Fake Empire 2.92 Fleet Foxes White Winter Hymnal II.

Neutral Milk Hotel 62.25 Two-headed Boy 1 Neutral Milk Hotel 62.11 Communist Daughter The Decemberists 3.85 Neutral Milk Hotel The Crane Wife In the Aeroplane over the The Decemberists Sea 3.68 O Valencia! Sufjan Stevens 3.59 Casimir Pulaski Day The Decemberists 3.53 2 Yankee Bayonet (I Will Be Home Then) Sufjan Stevens 3.36 Chicago 3 4 2 1 3 5 3.28 Wolf Parade Shine a Light Arcade Fire 3.24 Neighborhood #1 (Tunnels) Elliott Smith 3.14 Say Yes The Shins 3.10 Kissing the Lipless The National 4 Hybrid 3.10 Fake Empire 2.92 Fleet Foxes White Winter Hymnal 5 II.

• 12 participants (2 left-handed, 4 from the previous study) • 3 rush (Top-5, Random, Hybrid) 3 automatic (Top-5, Random, Hybrid) 1 manual II.

• Main goals: See if rush works in comparison to fully manual and automatic approaches. Compare the three simple recommendation approaches. For more details, see the paper. II.

Top-5 Random Hybrid 400s 300s Task Time 200s 100s 0s Automatic Rush Manual Tool II.

• Quality of playlists is hard to evaluate (very personal) • Online study with 10 participants II.

Study I Manual (6+) II Rush (Hybrid) (5+, 1-) III Rush (Random) (4+, 2-) IV Automatic (Random) (3+, 3-) V Rush (Top-5) (2+, 4-) VI Automatic (Top-5) (1+, 5-) VII Automatic (Hybrid) (6-) Tool ranking (Study) II.

Online I Rush (Hybrid) (4w, 2u) I Rush (Random) (4w, 2u) I Automatic (Hybrid) (4w, 2u) IV Automatic (Random) (3+, 3-) V Manual (2+, 4-) VI Rush (Top-5) (1+, 5-) VII Automatic (Top-5) (6-) Tool ranking (Online) II.

Manual Rush (Hybrid) +1 Rush (Hybrid) Rush (Random) +2 Rush (Random) Automatic (Hybrid) +6 Automatic (Random) Automatic (Random) +0 Rush (Top-5) Manual -4 Automatic (Top-5) Rush (Top-5) -1 Automatic (Hybrid) Automatic (Top-5) -1 Tool ranking (Study) Tool ranking (Online) II.

• Results: Rush is faster than a manual approach. Hybrid and Random are comparable. Top-5 is too restrictive. II.

• Interaction technique for selecting multiple items on mobile touchscreen devices • Two user studies: Interface parameters Comparison to other approaches

• Future work • Use more sophisticated recommendation strategies • Examine other ways for navigation (ﬂicking, etc.)

Thank you! Image credits: Flickr.com: Daveybot, surroundsound5000, aphasiafilms, widdowquinn, Qfamily, neyugnd, lism, eflon, Andy Ciordia, @jackeliiine, jcolman, anothersamchan, xmacex, tomer.gabel, James Cridland, jm3, hortulus, inconstanti, natpie, Anirudh Koul, Kaptain Kobold Wikipedia Commons: ProfDEH dominikus.baur@ifi.lmu.de

Rush: Repeated Recommendations on Mobile Devices - IUI'10

by Dominikus Baur on Feb 09, 2010

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Rush: Repeated Recommendations on Mobile Devices - IUI’10 — Presentation Transcript