Sciweavers

3225 search results - page 317 / 645
» Query Optimization by Stored Queries
Sort
View
VLDB
1997
ACM
142views Database» more  VLDB 1997»
15 years 10 months ago
Algorithms for Materialized View Design in Data Warehousing Environment
Selecting views to materialize is one of the most important decisions in designing a data warehouse. In this paper, we present a framework for analyzing the issues in selecting vi...
Jian Yang, Kamalakar Karlapalem, Qing Li
ECML
2006
Springer
15 years 10 months ago
Ensembles of Nearest Neighbor Forecasts
Nearest neighbor forecasting models are attractive with their simplicity and the ability to predict complex nonlinear behavior. They rely on the assumption that observations simila...
Dragomir Yankov, Dennis DeCoste, Eamonn J. Keogh
263
Voted
SIGMOD
2007
ACM
232views Database» more  SIGMOD 2007»
16 years 6 months ago
BLINKS: ranked keyword searches on graphs
Query processing over graph-structured data is enjoying a growing number of applications. Keyword search on a graph finds a set of answers, each of which is a substructure of the ...
Haixun Wang, Hao He, Jun Yang 0001, Philip S. Yu
SIGMOD
2001
ACM
121views Database» more  SIGMOD 2001»
16 years 6 months ago
XML Document Versioning
Managing multiple versions of XML documents represents an important problem, because of many applications ranging from traditional ones, such as software configuration control, to...
Shu-Yao Chien, Vassilis J. Tsotras, Carlo Zaniolo
ITNG
2008
IEEE
16 years 1 months ago
An Efficient Technique for Distance Computation in Road Networks
With recent advances in wireless communication and position technologies, it became possible to collect and record trajectories of moving objects. Thus, many services in road netw...
Xu Jianqiu, Victor Teixeira de Almeida, Qin Xiaoli...