1859 search results - page 342 / 372 » Sketch-based path design |
SIGMOD
2009
ACM
14 years 11 months ago
2009
ACM
The query models of the recent generation of very large scale distributed (VLSD) shared-nothing data storage systems, including our own PNUTS and others (e.g. BigTable, Dynamo, Ca...
SIGMOD
2009
ACM
14 years 11 months ago
2009
ACM
Column-oriented database systems [19, 23] perform better than traditional row-oriented database systems on analytical workloads such as those found in decision support and busines...
SIGMOD
2009
ACM
14 years 11 months ago
2009
ACM
In this paper, we study a novel form of continuous nearest neighbor queries in the presence of obstacles, namely continuous obstructed nearest neighbor (CONN) search. It considers...
MOBISYS
2007
ACM
14 years 10 months ago
2007
ACM
Abstract-- Wireless sensor networks represent a key technology enabler for enhanced health care and assisted living systems. Recent standardization efforts to ensure compatibility ...
EUROSYS
2008
ACM
14 years 8 months ago
2008
ACM
Causal request traces are valuable to developers of large concurrent and distributed applications, yet difficult to obtain. Traces show how a request is processed, and can be anal...