144 search results - page 13 / 29 » Query dependent ranking using K-nearest neighbor |
CIKM
2006
Springer
13 years 9 months ago
2006
Springer
Due to the resource limitation in the data stream environment, it has been reported that answering user queries according to the wavelet synopsis of a stream is an essential abili...
ICDT
2001
ACM
14 years 1 days ago
2001
ACM
Abstract. Nearest-neighbor queries in high-dimensional space are of high importance in various applications, especially in content-based indexing of multimedia data. For an optimiz...
EDBT
2006
ACM
14 years 7 months ago
2006
ACM
Abstract. Many different index structures have been proposed for spatial databases to support efficient query processing. However, most of these index structures suffer from an exp...
ICDE
2010
IEEE
13 years 7 months ago
2010
IEEE
— There are abundant scenarios for applications of similarity search in databases where the similarity of objects is defined for a subset of attributes, i.e., in a subspace, onl...
ACSC
2006
IEEE
14 years 1 months ago
2006
IEEE
Nearest neighbour (NN) searches and k nearest neighbour (k-NN) searches are widely used in pattern recognition and image retrieval. An NN (k-NN) search finds the closest object (...