Sciweavers

160 search results - page 11 / 32
» Language Extensions for the Automation of Database Schema Ev...
Sort
View
GIS
2007
ACM
15 years 10 months ago
Cluster By: a new sql extension for spatial data aggregation
The development of areas such as remote and airborne sensing, location based services, and geosensor networks enables the collection of large volumes of spatial data. These datase...
Chengyang Zhang, Yan Huang
ER
2010
Springer
164views Database» more  ER 2010»
14 years 7 months ago
Querying Databases with Taxonomies
Traditional information search in which queries are posed against a known and rigid schema over a structured database is shifting towards a Web scenario in which exposed schemas ar...
Davide Martinenghi, Riccardo Torlone
GIS
2002
ACM
14 years 9 months ago
Spatio-temporal evolution: querying patterns of change in databases
This paper contributes a general approach to characterizing patterns of change in a spatio-temporal database. While there is a particular interest in modelling and querying how sp...
Nassima Djafri, Alvaro A. A. Fernandes, Norman W. ...
ICWE
2007
Springer
15 years 3 months ago
Integrating Databases, Search Engines and Web Applications: A Model-Driven Approach
This paper addresses conceptual modeling and automatic code generation for search engine integration with data intensive Web applications. We have analyzed the similarities (and di...
Alessandro Bozzon, Tereza Iofciu, Wolfgang Nejdl, ...
CIKM
2004
Springer
15 years 3 months ago
Extending and inferring functional dependencies in schema transformation
We study the representation, derivation and utilization of a special kind of constraints in multidatabase systems. A major challenge is when component database schemas are schemat...
Qi He, Tok Wang Ling