634 search results - page 68 / 127 » Fast Evaluation Techniques for Complex Similarity Queries |
ICIP
2004
IEEE
14 years 9 months ago
2004
IEEE
Multi-frame motion estimation is a novel technique to improve the video coding efficiency. However, the computational complexity in motion search is usually a bottleneck in the vi...
DAWAK
2010
Springer
13 years 9 months ago
2010
Springer
Spatial data warehouses (SDW) enable analytical multidimensional queries together with spatial analysis. Mainly, three operations are related to SDW query processing performance: (...
ICDE
2007
IEEE
14 years 2 months ago
2007
IEEE
Similarity search usually encounters a serious problem in the high dimensional space, known as the “curse of dimensionality”. In order to speed up the retrieval efficiency, p...
ECIR
2010
Springer
13 years 9 months ago
2010
Springer
Abstract. Learning To Rank (LTR) techniques aim to learn an effective document ranking function by combining several document features. While the function learned may be uniformly ...
SIGMOD
2006
ACM
14 years 8 months ago
2006
ACM
Given a dataset P and a preference function f, a top-k query retrieves the k tuples in P with the highest scores according to f. Even though the problem is well-studied in convent...