Drag-and-Guess: Drag-and-Drop with Prediction

  • Takeshi Nishida
  • Takeo Igarashi
Conference paper

DOI: 10.1007/978-3-540-74796-3_44

Part of the Lecture Notes in Computer Science book series (LNCS, volume 4662)
Cite this paper as:
Nishida T., Igarashi T. (2007) Drag-and-Guess: Drag-and-Drop with Prediction. In: Baranauskas C., Palanque P., Abascal J., Barbosa S.D.J. (eds) Human-Computer Interaction – INTERACT 2007. INTERACT 2007. Lecture Notes in Computer Science, vol 4662. Springer, Berlin, Heidelberg


Drag-and-guess is an extension of drag-and-drop that uses predictions which is based on application specific knowledge. As the user begins to drag an object, the system predicts the drop target and presents the result to the user. When the target is hidden in a closed folder or beneath other windows, the system makes it temporarily visible. This frees users from manual preparation such as expanding a folder tree or uncovering the target location. The user can accept the prediction by throwing the object, which then flies to the target. Or, if the prediction is unsatisfactory, the user can ignore it and perform the operation as usual. We built three prototype applications (email client, spreadsheet and overlapping windows) to show that DnG is useful in many applications. Results of the user study show that the proposed technique can improve task performance when the task is difficult to complete manually and reasonable prediction algorithm is available.

Copyright information

© IFIP International Federation for Information Processing 2007

Authors and Affiliations

  • Takeshi Nishida
    • 1
  • Takeo Igarashi
    • 1
    • 2
  1. 1.Department of Computer Science, The University of TokyoJapan
  2. 2.JST PrestoJapan

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