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» Spatial Aggregation: Language and Applications
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IPSN
2007
Springer
15 years 5 months ago
Hierarchical spatial gossip for multi-resolution representations in sensor networks
In this paper we propose a lightweight algorithm for constructing multi-resolution data representations for sensor networks. We compute, at each sensor node u, O(log n) aggregates...
Rik Sarkar, Xianjin Zhu, Jie Gao
INFOCOM
2006
IEEE
15 years 5 months ago
On the Potential of Structure-Free Data Aggregation in Sensor Networks
— Data aggregation protocols can reduce the cost of communication, thereby extending the lifetime of sensor networks. Prior work on data aggregation protocols has focused on tree...
Kai-Wei Fan, Sha Liu, Prasun Sinha
ANLP
1997
103views more  ANLP 1997»
15 years 1 months ago
Natural Language in Four Spatial Interfaces
We describe our experiences building spoken language interfaces to four demonstration applications all involving 2- or 3-D spatial displays or gestural interactions: an air combat...
Kenneth Wauchope, Stephanie Everett, Dennis Perzan...
COSIT
1997
Springer
143views GIS» more  COSIT 1997»
15 years 3 months ago
Using Hierarchical Spatial Data Structures for Hierarchical Spatial Reasoning
This paper gives a definition of Hierarchical Spatial Reasoning, which computes increasingly better results in a hierarchical fashion and stops the computation when a result is ac...
Sabine Timpf, Andrew U. Frank
COLING
2000
15 years 1 months ago
Layout and Language: Integrating Spatial and Linguistic Knowledge for Layout Understanding Tasks
Complex documents stored in a flat or partially marked up file format require layout sensitive preprocessing before any natural language processing can be carried out on their tex...
Matthew Hurst, Tetsuya Nasukawa