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CVPR
2006
IEEE
14 years 12 months ago
Shape Topics: A Compact Representation and New Algorithms for 3D Partial Shape Retrieval
This paper develops an efficient new method for 3D partial shape retrieval. First, a Monte Carlo sampling strategy is employed to extract local shape signatures from each 3D model...
Yi Liu, Hongbin Zha, Hong Qin
SIGMOD
1998
ACM
99views Database» more  SIGMOD 1998»
14 years 2 months ago
CURE: An Efficient Clustering Algorithm for Large Databases
Clustering, in data mining, is useful for discovering groups and identifying interesting distributions in the underlying data. Traditional clustering algorithms either favor clust...
Sudipto Guha, Rajeev Rastogi, Kyuseok Shim
EUROCRYPT
2004
Springer
14 years 1 months ago
Anonymous Identification in Ad Hoc Groups
We introduce Ad Hoc Anonymous Identification schemes, a new multi-user cryptographic primitive that allows participants from a user population to form ad hoc groups, and then prove...
Yevgeniy Dodis, Aggelos Kiayias, Antonio Nicolosi,...
ICDE
2008
IEEE
161views Database» more  ICDE 2008»
14 years 11 months ago
Convoy Queries in Spatio-Temporal Databases
We introduce a convoy query that retrieves all convoys from historical trajectories, each of which consists of a set of objects that travelled closely during a certain time period....
Hoyoung Jeung, Heng Tao Shen, Xiaofang Zhou
ICDE
2003
IEEE
135views Database» more  ICDE 2003»
14 years 11 months ago
Discovery of High-Dimensional
Determining relationships such as functional or inclusion dependencies within and across databases is important for many applications in information integration. When such informa...
Andreas Koeller, Elke A. Rundensteiner