242 search results - page 9 / 49 » An Efficient Method for Indexing Now-relative Bitemporal dat... |
PVLDB
2010
13 years 2 months ago
2010
A RkNN query returns all objects whose nearest k neighbors contain the query object. In this paper, we consider RkNN query processing in the case where the distances between attri...
WSDM
2010
ACM
14 years 5 months ago
2010
ACM
There has been a large amount of research on efficient document retrieval in both IR and web search areas. One important technique to improve retrieval efficiency is early termina...
VLDB
2007
ACM
14 years 7 months ago
2007
ACM
Similarity-based search over time-series databases has been a hot research topic for a long history, which is widely used in many applications, including multimedia retrieval, dat...
ICIP
1999
IEEE
14 years 9 months ago
1999
IEEE
The quadtree data structure is widely used in digital image processing and computer graphics for modeling spatial segmentation of images and surfaces. A quadtree is a tree in whic...
SSDBM
1998
IEEE
13 years 12 months ago
1998
IEEE
: A new issue that arises in modern applications involves the efficient manipulation of (static or moving) spatial objects, and the relationships among them. As a result, modern da...