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VLDB
2000
ACM
151views Database» more  VLDB 2000»
15 years 10 months ago
The TreeScape System: Reuse of Pre-Computed Aggregates over Irregular OLAP Hierarchies
We present the TreeScape system that, unlike any other system known to the authors, enables the reuse of pre-computed aggregate query results for irregular dimension hierarchies, ...
Torben Bach Pedersen, Christian S. Jensen, Curtis ...
SDL
2001
89views Hardware» more  SDL 2001»
15 years 8 months ago
Some Implications of MSC, SDL and TTCN Time Extensions for Computer-Aided Test Generation
The purpose of this paper is to describe how computer-aided test generation methods can benefit from the time features and extensions to MSC, SDL and TTCN which are either already ...
Dieter Hogrefe, Beat Koch, Helmut Neukirchen
ICPR
2006
IEEE
16 years 7 months ago
Affine Invariant Dynamic Time Warping and its Application to Online Rotated Handwriting Recognition
Dynamic Time Warping (DTW) has been widely used to align and compare two sequences. DTW can efficiently deal with local warp or deformation between sequences. However, it can'...
Yu Qiao, Makoto Yasuhara
ICPR
2004
IEEE
16 years 7 months ago
Multiscale Fourier Descriptor for Shape-Based Image Retrieval
The shapes occurring in the images are important in the content-based image retrieval. In this paper we introduce a new Fourier-based descriptor for the characterization of the sh...
Iivari Kunttu, Leena Lepistö, Juhani Rauhamaa...
DCC
2008
IEEE
16 years 6 months ago
High-Resolution Functional Quantization
Suppose a function of N real source variables XN 1 = (X1, X2, . . . , XN ) is desired at a destination constrained to receive a limited number of bits. If the result of evaluating...
Vinith Misra, Vivek K. Goyal, Lav R. Varshney