Organizing Suggestions in

Autocompletion Interfaces

Alia Amin, Michiel Hildebrand, Jacco van Ossenbruggen,

Vanessa Evers, Lynda Hardman

Centrum Wiskunde & Informatica, Amsterdam, The Netherlands 1

Common autocompletion support

WikiSearch (alphabetical)

google.com (2008, group)naver.com (group)TripAdvisor (popularity)

Email (frequency)

command line (alphabetical)

2

Thesaurus-based Autocompletion

• Uses controlled vocabulary for suggestion

• For domain specific search task, e.g. annotation

• What organization strategy should be used?

compositegroupalphabetical

3

Key Findings

• Group are suitable for some thesauri

• For TGN, group and composite are better.

• Type of organization depends on the task and the thesaurus.

4

• TGN (geographical names):people prefer the different

groupings, especially place type and country

• WordNet (object names):people prefer alphabetical order

Group are suitable for some thesauri

TGN WordNet

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Task: find the correct birth place of …

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compositegroupalphabetical

• Alphabetical is the slowest

• Group and composite easier to use

• Group and composite preferred

For TGN, group and composite are better.compositegroupalphabetical

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More detail: read the paper & come to my poster!

Or contact:

alia.amin@cwi.nl

http://e-culture.multimedian.nl/

This research was supported by the MultimediaN project through the BSIK program of the

Dutch Government and by the European Commission

contract FP6-027026, KSpace.

Questions?

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