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IJCNN
2006
IEEE
15 years 3 months ago
Recognizing Human Emotion from Partial Facial Features
—Recognizing human emotions from partial facial features is quite hard to achieve reasonable accuracy. In this paper, we propose to use a tree structure representation to simulat...
Jia-Jun Wong, Siu-Yeung Cho
ICDIM
2007
IEEE
15 years 4 months ago
Pattern-based decision tree construction
Learning classifiers has been studied extensively the last two decades. Recently, various approaches based on patterns (e.g., association rules) that hold within labeled data hav...
Dominique Gay, Nazha Selmaoui, Jean-Françoi...
VLDB
1991
ACM
141views Database» more  VLDB 1991»
15 years 1 months ago
Efficiency of Nested Relational Document Database Systems
Systems designed for efficient retrieval of conventional data can be very inefficient at retrieving documents. Documents have more complex structure than conventional data, and th...
Justin Zobel, James A. Thom, Ron Sacks-Davis
EGPGV
2004
Springer
181views Visualization» more  EGPGV 2004»
15 years 3 months ago
Parallel Multiresolution Volume Rendering of Large Data Sets with Error-Guided Load Balancing
We present a new parallel multiresolution volume rendering algorithm for visualizing large data sets. Using the wavelet transform, the raw data is first converted into a multires...
Chaoli Wang, Jinzhu Gao, Han-Wei Shen
DAWAK
2001
Springer
15 years 2 months ago
Shared Index Scans for Data Warehouses
Tree based indexing structures like -trees, ·-trees, Bitmap indexes and Ê-trees have become essential for getting good performance when accessing vast datasets. However, most dat...
Yannis Kotidis, Yannis Sismanis, Nick Roussopoulos