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MM
2006
ACM
168views Multimedia» more  MM 2006»
15 years 7 months ago
Scalability of local image descriptors: a comparative study
Computer vision researchers have recently proposed several local descriptor schemes. Due to lack of database support, however, these descriptors have only been evaluated using sma...
Herwig Lejsek, Friðrik Heiðar Ásmun...
VLDB
2005
ACM
87views Database» more  VLDB 2005»
15 years 7 months ago
An Efficient SQL-based RDF Querying Scheme
Devising a scheme for efficient and scalable querying of Resource Description Framework (RDF) data has been an active area of current research. However, most approaches define new...
Eugene Inseok Chong, Souripriya Das, George Eadon,...
VLDB
2004
ACM
106views Database» more  VLDB 2004»
15 years 7 months ago
On The Marriage of Lp-norms and Edit Distance
Existing studies on time series are based on two categories of distance functions. The first category consists of the Lp-norms. They are metric distance functions but cannot supp...
Lei Chen 0002, Raymond T. Ng
VLDB
2004
ACM
227views Database» more  VLDB 2004»
15 years 7 months ago
Approximate NN queries on Streams with Guaranteed Error/performance Bounds
In data stream applications, data arrive continuously and can only be scanned once as the query processor has very limited memory (relative to the size of the stream) to work with...
Nick Koudas, Beng Chin Ooi, Kian-Lee Tan, Rui Zhan...
MMDB
2003
ACM
94views Multimedia» more  MMDB 2003»
15 years 6 months ago
Improving image retrieval effectiveness via multiple queries
Conventional approaches to image retrieval are based on the assumption that relevant images are physically near the query image in some feature space. This is the basis of the clu...
Xiangyu Jin, James C. French