Sciweavers

2853 search results - page 300 / 571
» On the Efficiency of Provenance Queries
Sort
View
SIGMOD
2008
ACM
162views Database» more  SIGMOD 2008»
16 years 6 months ago
Event queries on correlated probabilistic streams
A major problem in detecting events in streams of data is that the data can be imprecise (e.g. RFID data). However, current state-ofthe-art event detection systems such as Cayuga ...
Christopher Ré, Dan Suciu, Julie Letchner, ...
SIGMOD
2007
ACM
168views Database» more  SIGMOD 2007»
16 years 6 months ago
In-network execution of monitoring queries in sensor networks
Sensor networks are widely used in many applications for collecting information from the physical environment. In these applications, it is usually necessary to track the relation...
Xiaoyan Yang, Hock-Beng Lim, M. Tamer Özsu, K...
180
Voted
EDBT
2004
ACM
143views Database» more  EDBT 2004»
16 years 6 months ago
OGSA-DQP: A Service for Distributed Querying on the Grid
OGSA-DQP is a distributed query processor exposed to users as an Open Grid Services Architecture (OGSA)-compliant Grid service. This service supports the compilation and evaluation...
M. Nedim Alpdemir, Arijit Mukherjee, Anastasios Go...
ICPADS
2005
IEEE
16 years 9 days ago
A Model for Distributing and Querying a Data Warehouse on a Computing Grid
Data warehouses store large volumes of data according to a multidimensional model with dimensions representing different axes of analysis. OLAP systems (OnLine Analytical Processi...
Pascal Wehrle, Maryvonne Miquel, Anne Tchounikine
DIGITALCITIES
2003
Springer
15 years 12 months ago
Map-Based Range Query Processing for Geographic Web Search Systems
In order to utilize geographic web information for digital city applications, we have been developing a geographic web search system, KyotoSEARCH. When users retrieve geographic in...
Ryong Lee, H. Shiina, Taro Tezuka, Yusuke Yokota, ...