651 search results - page 34 / 131 » Algebraic Query Optimization for Distributed Top-k Queries |
INFOCOM
2008
IEEE
14 years 3 months ago
2008
IEEE
Abstract—Recent advances in computer technology and wireless communications have enabled the emergence of stream-based sensor networks. In such sensor networks, real-time data ar...
ICDCN
2009
Springer
14 years 1 months ago
2009
Springer
Wireless sensor networks with multiple users collecting data directly from the sensors have many potential applications. An important problem is to allocate for each user a query r...
PODC
2010
ACM
14 years 27 days ago
2010
ACM
This paper deals with pipelined queries over services. The execution plan of such queries defines an order in which the services are called. We present the theoretical underpinni...
VLDB
2002
ACM
14 years 9 months ago
2002
ACM
Abstract This paper describes the overall design and architecture of the Timber XML database system currently being implemented at the University of Michigan. The system is based u...
SIGMOD
2005
ACM
14 years 2 months ago
2005
ACM
One of the most powerful features of SQL is the use of nested queries. Most research work on the optimization of nested queries focuses on aggregate subqueries. However, the solut...