Sciweavers

410 search results - page 34 / 82
» Optimizing Queries with Materialized Views
Sort
View
GIS
2007
ACM
15 years 1 months ago
Optimal traversal planning in road networks with navigational constraints
A frequent query in geospatial planning and decision making domains (e.g., emergency response, data acquisition, street cleaning), is to find an optimal traversal plan (OTP) that ...
Leyla Kazemi, Cyrus Shahabi, Mehdi Sharifzadeh, Lu...
WISE
2007
Springer
15 years 4 months ago
On Tree Pattern Query Rewriting Using Views
We study and present our findings on two closely related problems on xpath rewriting using views when both the view and the query are tree patterns involving /,// and []. First, g...
Junhu Wang, Jeffrey Xu Yu, Chengfei Liu
WEBDB
2000
Springer
136views Database» more  WEBDB 2000»
15 years 1 months ago
An Optimization Technique for Answering Regular Path Queries
Rewriting queries using views is a powerful technique that has applications in data integration, data warehousing and query optimization. Query rewriting in relational databases i...
Gösta Grahne, Alex Thomo
DCOSS
2009
Springer
15 years 4 months ago
Similarity Based Optimization for Multiple Query Processing in Wireless Sensor Networks
Wireless sensor networks (WSNs) have been proposed for a large variety of applications. As the number of applications of sensor networks continue to grow, the number of users in se...
Hui Ling, Taieb Znati
PVLDB
2010
204views more  PVLDB 2010»
14 years 8 months ago
Cheetah: A High Performance, Custom Data Warehouse on Top of MapReduce
Large-scale data analysis has become increasingly important for many enterprises. Recently, a new distributed computing paradigm, called MapReduce, and its open source implementat...
Songting Chen