Sciweavers

1542 search results - page 51 / 309
» Redundancy in Spatial Databases
Sort
View
ICDE
2007
IEEE
178views Database» more  ICDE 2007»
14 years 9 months ago
Top-k Spatial Preference Queries
A spatial preference query ranks objects based on the qualities of features in their spatial neighborhood. For example, consider a real estate agency office that holds a database ...
Man Lung Yiu, Xiangyuan Dai, Nikos Mamoulis, Micha...
VLDB
1994
ACM
140views Database» more  VLDB 1994»
13 years 11 months ago
Efficient and Effective Clustering Methods for Spatial Data Mining
Spatial data mining is the discovery of interesting relationships and characteristics that may exist implicitly in spatial databases. In this paper, we explore whether clustering ...
Raymond T. Ng, Jiawei Han
DAWAK
2010
Springer
13 years 8 months ago
Discovery and Application of Functional Dependencies in Conjunctive Query Mining
Abstract. We present an algorithm for mining frequent queries in arbitrary relational databases, over which functional dependencies are assumed. Building upon previous results, we ...
Bart Goethals, Dominique Laurent, Wim Le Page
TCSV
2008
110views more  TCSV 2008»
13 years 7 months ago
In-Scale Motion Compensation for Spatially Scalable Video Coding
In existing pyramid-based spatially scalable coding schemes, such as H.264/MPEG-4 SVC (scalable video coding), video frame at a certain high-resolution layer is mainly predicted ei...
Ruiqin Xiong, Jizheng Xu, Feng Wu
ER
2007
Springer
103views Database» more  ER 2007»
14 years 1 months ago
Ensuring the Semantic Correctness of Complex Regions
Ensuring the semantic and topological correctness of spatial data is an important requirement in geographical information systems and spatial database systems in order to preserve ...
Mark McKenney, Alejandro Pauly, Reasey Praing, Mar...