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GIS
2009
ACM
15 years 2 months ago
Data structures and intersection algorithms for 3D spatial data types
Apart from visualization tasks, three-dimensional (3D) data management features are not or only hardly available in current spatial database systems and Geographic Information Sys...
Tao Chen, Markus Schneider
URBAN
2008
83views more  URBAN 2008»
14 years 9 months ago
Automatic identification of urban settlement boundaries for multiple representation databases
Intuitive and meaningful interpretation of geographical phenomena requires their representation at multiple levels of detail. This is due to the scale dependent nature of their pr...
Omair Chaudhry, William A. Mackaness
SIGMOD
1999
ACM
112views Database» more  SIGMOD 1999»
15 years 1 months ago
A New Method for Similarity Indexing of Market Basket Data
In recent years, many data mining methods have been proposed for finding useful and structured information from market basket data. The association rule model was recently propos...
Charu C. Aggarwal, Joel L. Wolf, Philip S. Yu
JAIR
2002
101views more  JAIR 2002»
14 years 9 months ago
Structured Knowledge Representation for Image Retrieval
We propose a structured approach to the problem of retrieval of images by content and present a description logic that has been devised for the semantic indexing and retrieval of ...
Eugenio Di Sciascio, Francesco M. Donini, Marina M...
ICIP
1998
IEEE
15 years 11 months ago
Video Content Representation using Optimal Extraction of Frames and Scenes
In this paper, an efficient video content representation is proposed using optimal extraction of characteristic frames and scenes. This representation, apart from providing browsi...
Nikolaos D. Doulamis, Anastasios D. Doulamis, Yann...