508 search results - page 26 / 102 » Bringing Order to Query Optimization |
COMGEO
2008
ACM
13 years 7 months ago
2008
ACM
Given a planar polygonal subdivision S, the point location problem is to preprocess S into a data structure so that the cell of the subdivision that contains a given query point c...
ICDCSW
2007
IEEE
14 years 2 months ago
2007
IEEE
Complex event processing has become increasingly important in modern applications, ranging from supply chain management for RFID tracking to real-time intrusion detection. The goa...
JGTOOLS
2006
13 years 7 months ago
2006
We present a graphics hardware implementation of the tangent-plane algorithm for computing the kth-order Voronoi diagram of a set of point sites in image space. Correct and effici...
VLDB
2001
ACM
14 years 3 days ago
2001
ACM
Most modern DBMS optimizers rely upon a cost model to choose the best query execution plan (QEP) for any given query. Cost estimates are heavily dependent upon the optimizer’s e...
DASFAA
2006
IEEE
14 years 1 months ago
2006
IEEE
Abstract. In emerging data stream applications, data sources are typically distributed. Evaluating multi-join queries over streams from different sources may incur large communica...