24 search results - page 4 / 5 » Density-Based Indexing for Approximate Nearest-Neighbor Quer... |
VLDB
2004
ACM
14 years 25 days ago
2004
ACM
Given a point q, a reverse k nearest neighbor (RkNN) query retrieves all the data points that have q as one of their k nearest neighbors. Existing methods for processing such quer...
ICDE
2002
IEEE
14 years 8 months ago
2002
IEEE
We investigate techniques for analysis and retrieval of object trajectories in a two or three dimensional space. Such kind of data usually contain a great amount of noise, that ma...
BIBE
2003
IEEE
14 years 24 days ago
2003
IEEE
We present a multi-dimensional indexing approach for fast sequence similarity search in DNA and protein databases. In particular, we propose effective transformations of subsequen...
VLDB
2012
ACM
12 years 3 months ago
2012
ACM
In the last decade, spatio-temporal database research focuses on the design of effective and efficient indexing structures in support of location-based queries such as predictive...
EDBT
2008
ACM
14 years 7 months ago
2008
ACM
Index trees created using distance based indexing are difficult to maintain online since the distance function involved is often costly to compute. This problem is intensified whe...