2298 search results - page 200 / 460 » Querying spatial patterns |
211
click to vote
ICDE
2007
IEEE
16 years 5 months ago
2007
IEEE
We propose a scalable distributed data structure (SDDS) called SD-Rtree. We intend our structure for point and window queries over possibly large spatial datasets distributed on c...
247
click to vote
ICDE
2005
IEEE
16 years 5 months ago
2005
IEEE
Moving objects databases managing spatial objects with continuously changing position and extent over time have recently found large interest in the database community. Queries ab...
120
click to vote
DEBU
2002
15 years 3 months ago
2002
Current moving-object indexing concentrates on point-objects capable of continuous movement in one-, two-, and three-dimensional Euclidean spaces, and most approaches are based on...
127
click to vote
WWW
2006
ACM
16 years 4 months ago
2006
ACM
In this paper, we proposed an online algorithm, called FQT-Stream (Frequent Query Trees of Streams), to mine the set of all frequent tree patterns over a continuous XML data strea...
229
click to vote
SIGMOD
2006
ACM
16 years 4 months ago
2006
ACM
We present and analyze an algorithm for equivalent rewriting of XQuery queries using XQuery views, which is complete for a large class of XQueries featuring nested FLWR blocks, XM...