Semantic Trajectory Compression
SSTD '09 Proceedings of the 11th International Symposium on Advances in Spatial and Temporal Databases
Creating an annotated corpus for generating walking directions
UCNLG+Sum '09 Proceedings of the 2009 Workshop on Language Generation and Summarisation
Supporting the designer's and the user's perspectives in computer-aided architectural design
Advanced Engineering Informatics
Adaptable path planning in regionalized environments
COSIT'09 Proceedings of the 9th international conference on Spatial information theory
Generating adaptive route instructions using hierarchical reinforcement learning
SC'10 Proceedings of the 7th international conference on Spatial cognition
The effect of activity on relevance and granularity for navigation
COSIT'11 Proceedings of the 10th international conference on Spatial information theory
Linking cognitive and computational saliences in route information
SC'12 Proceedings of the 2012 international conference on Spatial Cognition VIII
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Route directions assist people in unfamiliar environments. In order to be useful, these route directions should reflect human conceptualization of wayfinding situations, they should be well memorable and they should cover the spatial situations to be encountered while following a route. In this work Guard is presented: a process for generating context-specific route directions that cover these properties. The route directions generated by Guard explicitly take into account environmental characteristics and route properties. They implement principles of good route directions, both from a cognitive and a representation-theoretic perspective, for example, the inclusion of landmarks and combining several consecutive instructions into a single one (so-called spatial chunking). The generation of route directions is realized as an optimization process that selects those instructions that ease conceptualization the most. The process results in a sequence of chunks, each representing an instruction for following the given route. Results of this work are twofold. On the one hand, it provides a thorough analysis of route directions from a representation-theoretic perspective resulting in systematics of elements that can be employed in generating route directions. On the other hand, it provides a process for generating route directions which is designed to ease including further and new findings in cognitive science and may serve as a test-bed for empirical studies.IOS Press is an international science, technical and medical publisher of high-quality books for academics, scientists, and professionals in all fields. Some of the areas we publish in: -Biomedicine -Oncology -Artificial intelligence -Databases and information systems -Maritime engineering -Nanotechnology -Geoengineering -All aspects of physics -E-governance -E-commerce -The knowledge economy -Urban studies -Arms control -Understanding and responding to terrorism -Medical informatics -Computer Sciences