Sciweavers

1782 search results - page 197 / 357
» Processing Queries over Distributed XML Databases
Sort
View
127
Voted
ICDT
2010
ACM
195views Database» more  ICDT 2010»
15 years 6 months ago
Answering Non-Monotonic Queries in Relational Data Exchange
Relational data exchange deals with translating a relational database instance over some source schema into a relational database instance over some target schema, according to a ...
André Hernich
SIGMOD
2011
ACM
221views Database» more  SIGMOD 2011»
14 years 5 months ago
Scalable query rewriting: a graph-based approach
In this paper we consider the problem of answering queries using views, which is important for data integration, query optimization, and data warehouses. We consider its simplest ...
George Konstantinidis, José Luis Ambite
150
Voted
GIS
2008
ACM
15 years 3 months ago
Spatial queries in disconnected mobile networks
In this paper we study in-network query processing in disconnected mobile environments, where both ad-hoc communication and infrastructure communication are available. Depending o...
Xinjuan Zhu, Bo Xu, Ouri Wolfson
182
Voted
SIGMOD
2007
ACM
196views Database» more  SIGMOD 2007»
16 years 2 months ago
Adaptive location constraint processing
An important problem for many location-based applications is the continuous evaluation of proximity relations among moving objects. These relations express whether a given set of ...
Zhengdao Xu, Hans-Arno Jacobsen
211
Voted
ICDE
2005
IEEE
165views Database» more  ICDE 2005»
16 years 3 months ago
Querying and Visualizing Gridded Datasets for e-Science
We demonstrate a web service and client application for querying and visualizing datasets defined over arbitrary topological grids. Such gridded datasets are produced by Earth sci...
Bill Howe, David Maier