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VLDB
1998
ACM
123views Database» more  VLDB 1998»
15 years 1 months ago
Diag-Join: An Opportunistic Join Algorithm for 1:N Relationships
Time of creation is one of the predominant (often implicit) clustering strategies found not only in Data Warehouse systems: line items are created together with their correspondin...
Sven Helmer, Till Westmann, Guido Moerkotte
WACV
2008
IEEE
15 years 4 months ago
Object Categorization Based on Kernel Principal Component Analysis of Visual Words
In recent years, many researchers are studying object categorization problem. It is reported that bag of keypoints approach which is based on local features without topological in...
Kazuhiro Hotta
SIGSAND
2008
14 years 11 months ago
Relational Model Driven Application Design
Abstract: A closer look at typical information systems shows that relatively simple routines often contribute significantly to the overall expenses of the software development proc...
Michael Guckert, René Gerlach
GAMEON
2009
14 years 7 months ago
Analysis of User Trajectories Based on Data Distribution and State Transition: a Case Study with a Massively Multiplayer Online
At present, trajectory data, series of coordinate data traversed by moving objects, can be readily obtained due to the advent of positioning technologies. Clustering of trajectori...
Ruck Thawonmas, Junichi Oda, Kuan-Ta Chen
SSDBM
2006
IEEE
140views Database» more  SSDBM 2006»
15 years 3 months ago
A Dynamic Mobility Histogram Construction Method Based on Markov Chains
With the recent progress of spatial information technologies and communication technologies, it has become easier to track positions of a large number of moving objects in real-ti...
Yoshiharu Ishikawa, Yoji Machida, Hiroyuki Kitagaw...