(발제) No Clicks, No Problem: Using Cursor Movements to Understand and Improve Search +CHI2011 -Jeff Huang /이남민 x2011 autum
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(발제) No Clicks, No Problem: Using Cursor Movements to Understand and Improve Search +CHI2011 -Jeff Huang /이남민 x2011 autum

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(발제) No Clicks, No Problem: Using Cursor Movements to Understand and Improve Search +CHI2011 -Jeff Huang /이남민 x2011 autum (발제) No Clicks, No Problem: Using Cursor Movements to Understand and Improve Search +CHI2011 -Jeff Huang /이남민 x2011 autum Presentation Transcript

  • 이남민
  • No Clicks, No Problem: Using Cursor Movements to Understand and Improve Search CHI2011 Jeff Huang, Ryen W.White, Susan Dumais
  • interact . , - . - , , . - gaze tracking small scale . - . , - mouse movement richer pattern . - cursor activities . INTRODUCTION
  • , . : 1) , / , . 2) ‘ ’: , . , / . ! 1) / gaze cursor behavior ? 2) cursor behavior ? , eye-tracking ? 3) ? -> , , . INTRODUCTION
  • 1) cursor movement, clicks, gaze.. - cursor travel time web page indicator - page . - web page . - mouse movement indicator . 2) - informational / navigational queries - . - cursor movement, hovers, scrolling . - gaze tracking , salient region 3) relationship between eye gaze and cursor positions - gaze / cursor . - cursor behavior . RELATED WORK
  • 4) - gaze cursor : . - gaze x , . - mouse behavior 1) , ( , ) 2) 3) - gaze cursor 77% . . 1) cursor-gaze relationship , task , . 2) scalable , . 3) , , . . RELATED WORK
  • , , SERP / non-SERP . DATA Tobii x50 , : 38 (F 21, M 17, 26~60 , ) . - , 32 - ( ) , informational( ) - . - 1210 , 1336647 , 87227 . - 20ms , 100ms . - . - , x y . ( , x . : . , .(max 100ms ) STUDY 1: GAZE-CURSOR RELATIONSHIP
  • FINDINGS / , / - .(0 ) - . - x y , x , ( ) : . - , . - , . -> , , . STUDY 1: GAZE-CURSOR RELATIONSHIP
  • cursor tracker . : , . METHOD - , , . , . movement movement . . : movement . 40ms , . STUDY2 : LARGE-SCALE CURSOR TRACKING STUDY
  • . - . - Microsoft . (2010 5/12 ~ 2010 6/6 ) - 7500429 366473 , 21936 : . . - ( ) . ( examine hover ) , . STUDY2 : LARGE-SCALE CURSOR TRACKING STUDY
  • GENERAL CURSOR ACTIVITY - , heatmap - 25 , 22 - . , 1. 2. ( ) . 3. ( ) . - . : . . STUDY2 : LARGE-SCALE CURSOR TRACKING STUDY
  • SEARCH RESULT EXAMINATION SERP , . ranked list . - , 100ms hover . - hovering / , / , . - gaze tracking . cursor hover time gaze duration time . . 40ms , hover event 100ms . - , . STUDY2 : LARGE-SCALE CURSOR TRACKING STUDY
  • - result , , result hovered . . 1 . STUDY2 : LARGE-SCALE CURSOR TRACKING STUDY
  • - hover - .?? - , . 1 2, 3 . - . : , top-ranked . STUDY2 : LARGE-SCALE CURSOR TRACKING STUDY
  • COMPARING CLICK AND HOVER DISTRIBUTIONS hover - hover , search result rank . - - . . - hover . - 1 . - 1 . : hover . STUDY2 : LARGE-SCALE CURSOR TRACKING STUDY
  • UNCLICKED HOVERS . - uncliked hover : link - uncliced hover , : unclicked hover : 0 1~2 : - unclicked hovers . STUDY2 : LARGE-SCALE CURSOR TRACKING STUDY
  • - unclicked hover . unclicked hover - , unclicked hover . - unclicked hover click : 1 . STUDY2 : LARGE-SCALE CURSOR TRACKING STUDY
  • APPLICATIONS OF CURSOR DATA ESTIMATION SEARCH RESULT RELEVANCE - cursor movement - . - human relevance judgments for query-URL pairs, -> human relevance judgment - human relevance judgments - trained judges 5 relevance .( ) - judgment . - 1290 query-URL .( ) - . 1. click through rate: URL fraction of the times 2. hover rate: URL hover 3. number of unchecked hovers: hover . 4. maximum hover time: .user interests > hover click . > > unclicked hovers / hover time: .
  • APPLICATIONS OF CURSOR DATA DIFFERING BETWEEN GOOD and BAD ABANDONMENT - bad abandonment : . - good abandonment : . - : ( ) - : .: . - 100ms hover judgment : . - 859 , 184(21%) . (good) / 675 bad abandonment - cursor . 1. cursor trail length : 2. cursor movement time, : 3. cursor speed : good , trail length, movement time, speed . -> further study .
  • FUTURE WORKS - cursor behavior ? - , . - SERP , , . - ( , ..) - - . - : , , .. - . - SERP . - . - . DISCUSSION AND IMPLICATIONS
  • SEARCH BEHAVIOR . ( ) - . - . - : . . .. !