Evaluating a City Exploration Dialogue System with Integrated Question-Answering and Pedestrian Navigation

Srinivasan Janarthanam, Tiphaine Dalmas, Phil Bartie, Xingkun Liu, Oliver Lemon, Bonnie Webber and William Mackaness

The 51st Annual Meeting of the Association for Computational Linguistics (ACL 2013)
Sofia, Bulgaria, August 4-9, 2013

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Abstract

We present a city navigation and tourist information mobile dialogue application with integrated question-answering (QA) and geographic information system (GIS) modules that helps pedestrian users to navigate in and learn about urban environments. In contrast to existing mobile applications which treat these problems independently, our Android application addresses the problem of navigation and touristic question-answering in an integrated fashion using a shared dialogue context. We evaluated our system in comparison with Samsung S-Voice (which interfaces to Google navigation and Google search) with 17 pedestrian users and found that users judged our system to be significantly more interesting to interact with and learn from. They also rated our system above Google search (with the Samsung S-Voice interface) for tourist information tasks.

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