654 search results - page 104 / 131 » Complexity of Answering Queries Using Materialized Views |
EUROPAR
2001
Springer
13 years 12 months ago
2001
Springer
Distributed-system observation tools require an efficient data structure to store and query the partial-order of execution. Such data structures typically use vector timestamps to...
DAGSTUHL
2004
13 years 8 months ago
2004
We present the Priority R-tree, or PR-tree, which is the first R-tree variant that always answers a window query using O((N/B)1-1/d + T/B) I/Os, where N is the number of ddimensio...
GRAPHITE
2007
ACM
13 years 11 months ago
2007
ACM
Point-sampled geometry has gained significant interest due to their simplicity. The lack of connectivity touted as a plus, however, creates difficulties in many operations like ge...
KBS
2007
13 years 7 months ago
2007
Event based analysis plays an important role in reducing the latency of information delivery in an event driven world. Also, the perception of an ‘event’ by a user is at a hig...
SIGGRAPH
2000
ACM
13 years 11 months ago
2000
ACM
Visibility determination is a key requirement in a wide range of graphics algorithms. This paper introduces a new approach to the computation of volume visibility, the detection o...