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ACL
1990
15 years 1 months ago
Structural Disambiguation with Constraint Propagation
We present a new grammatical formalism called Constraint Dependency Grammar (CDG) in which every grammatical rule is given as a constraint on wordto-word modifications. CDG parsin...
Hiroshi Maruyama
GIS
1999
ACM
15 years 4 months ago
Improved Bulk-Loading Algorithms for Quadtrees
Spatial indexes, such as the PMR quadtree, are important in spatial databases for efficient execution of queries involving spatial constraints, especially when the queries involv...
Gísli R. Hjaltason, Hanan Samet
CHI
2006
ACM
16 years 6 days ago
3D and sequential representations of spatial relationships among photos
This paper proposes automatic representations of spatial relationships among photos for structure analysis and review of a photographic subject. Based on camera tracking, photos a...
Mahoro Anabuki, Hiroshi Ishii
DAGSTUHL
2007
15 years 1 months ago
Spatially Distributed Normative Objects
Organisational structures for multi-agent systems are usually defined independently of any spatial and temporal structure. Therefore, when the multi-agent system is situated in a ...
Fabio Y. Okuyama, Rafael H. Bordini, Antônio...
IV
2007
IEEE
366views Visualization» more  IV 2007»
15 years 6 months ago
Algorithm Visualization in Teaching Spatial Data Algorithms
Algorithm visualization is a widely–used tool for teaching data structures and algorithms. Spatial data algorithms are algorithms that are designed to process multidimensional d...
Jussi Nikander, Juha Helminen