92 search results - page 3 / 19 » How to Evaluate Multiple Range-Sum Queries Progressively |
ICDE
2010
IEEE
14 years 5 months ago
2010
IEEE
Research on spatial network databases has so far considered that there is a single cost value associated with each road segment of the network. In most real-world situations, howev...
ICDE
2010
IEEE
13 years 10 months ago
2010
IEEE
— While planning the execution of report-generation workloads, database administrators often need to know how long different query workloads will take to run. Database systems ru...
CIKM
2009
Springer
13 years 12 months ago
2009
Springer
We study the problem of continuous monitoring of top-k queries over multiple non-synchronized streams. Assuming a sliding window model, this general problem has been a well addres...
SSDBM
1999
IEEE
13 years 9 months ago
1999
IEEE
Large scale data analysis and mining activities, such as identifying interesting trends, making unusual patterns to stand out and verifying hypotheses, require sophisticated infor...
VLDB
2005
ACM
13 years 10 months ago
2005
ACM
We study XML stream-specific schema-based optimization. We assume a widely-adopted automata-based execution model for XQuery evaluation. Criteria are established regarding what s...