Query log analysis for Treinplanner

An analysis of free-text queries for a multi-field web form

by Kien Tjin-Kam-Jet, Dolf Trieschnigg, and Djoerd Hiemstra

Treinplanner.info We report how users interact with an experimental system that transforms single- field textual input into a multi- field query for an existing travel planner system. The experimental system was made publicly available and we collected over 30,000 queries from almost 12,000 users. From the free-text query log, we examined how users formulated structured information needs into free-text queries. The query log analysis shows that there is great variety in query formulation, over 400 query templates were found that occurred at least 4 times. Furthermore, with over 100 respondents to our questionnaire, we provide both quantitative and qualitative evidence indicating that end-users significantly prefer a single field interface over a multi-field interface when performing structured search.

The paper will be presented at the fourth Information Interaction in Context Symposium, IIiX 2012 on August 21-24, 2012 in Nijmegen, the Netherlands.

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