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In this paper we report on the release of a corpus of English spontaneous instruction giving situated dialogs. The corpus was collected using the Quake environment, a first-person virtual reality game, and consists of pairs of participants completing a direction giver-direction follower scenario. The corpus contains the collected audio and video, as well as(More)
We report on a study examining the generation of noun phrases within a spoken dialog agent for a navigation domain. The task is to provide real-time instructions that direct the user to move between a series of destinations within a large interior space. A subtask within sentence planning is determining what form to choose for noun phrases. This choice is(More)
Would it be helpful or detrimental for the field of NLG to have a generally accepted competition? Competitions have definitely advanced the state of the art in some fields of NLP, but the benefits sometimes come at the price of over-competitiveness, and there is a danger of overfitting systems to the concrete evaluation metrics. Moreover, it has been argued(More)
In the current work, we focus on systems that provide incremental directions and monitor the progress of mobile users following those directions. Such directions are based on dynamic quantities like the visibility of reference points and their distance from the user. An intelligent navigation assistant might take advantage of the user's mobility within the(More)
In the current work, we focus on systems that provide incremental directions and monitor the progress of mobile users following those directions. Such directions are based on dynamic quantities like the visibility of reference points and their distance from the user. An intelligent navigation assistant might take advantage of the user's mobility within the(More)
Preface We are pleased to present the position papers for the Workshop on Shared Tasks and Comparative Evaluation in Natural Language Generation. The aim of this workshop is to bring together leading international researchers in the field of NLG, with the aim of establishing a clear, community-wide, position on the role of shared tasks and comparative(More)
Interactive characters that cohabit a shared space with human partners need to generate and interpret references to elements of the virtual world. Natural language allows for a wide range of phrasings for referring to any particular object, and this variation is thought to reflect not only spatial but also cogni-tive and linguistic factors. Our study(More)
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