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COMSIS
2010
13 years 5 months ago
MFI-tree: An effective multi-feature index structure for weighted query application
Multi-Feature Index Tree (MFI-Tree), a new indexing structure, is proposed to index multiple high-dimensional features of video data for video retrieval through example. MFI-Tree e...
Yunfeng He, Junqing Yu
ISMB
2003
13 years 9 months ago
PSI: indexing protein structures for fast similarity search
We consider the problem of finding similarities in protein structure databases. Our techniques extract feature vectors on triplets of SSEs (Secondary Structure Elements). Later, ...
Orhan Çamoglu, Tamer Kahveci, Ambuj K. Sing...
FUIN
2006
81views more  FUIN 2006»
13 years 8 months ago
Indexing Schemes for Similarity Search: an Illustrated Paradigm
We suggest a variation of the Hellerstein-Koutsoupias--Papadimitriou indexability model for datasets equipped with a similarity measure, with the aim of better understanding the s...
Vladimir Pestov, Aleksandar Stojmirovic
OTM
2005
Springer
14 years 1 months ago
An Efficient Trajectory Index Structure for Moving Objects in Location-Based Services
Because moving objects usually moves on spatial networks, efficient trajectory index structures are required to gain good retrieval performance on their trajectories. However, ther...
Jae-Woo Chang, Jung-Ho Um, Wang-Chien Lee
ADC
2000
Springer
326views Database» more  ADC 2000»
14 years 25 days ago
T-Tree or B-Tree: Main Memory Database Index Structure Revisited
While the B-tree (or the B+ -tree) is the most popular index structure in disk-based relational database systems, the Ttree has been widely accepted as a promising index structure...
Hongjun Lu, Yuet Yeung Ng, Zengping Tian