Sciweavers

WISE
2000
Springer
14 years 4 months ago
Object-Oriented Mediator Queries to XML Data
The mediator/wrapper approach is used to integrate data from different databases and other data sources by introducing a middleware virtual database that provides high level abstr...
Hui Lin, Tore Risch, Timour Katchaounov
SSDBM
2000
IEEE
155views Database» more  SSDBM 2000»
14 years 4 months ago
Knowledge-Based Integration of Neuroscience Data Sources
The need for information integration is paramount in many biological disciplines, because of the large heterogeneity in both the types of data involved and in the diversity of app...
Amarnath Gupta, Bertram Ludäscher, Maryann E....
DAWAK
2001
Springer
14 years 4 months ago
Towards a Novel OLAP Interface for Distributed Data Warehouses
We present a framework for visualizing remote distributed data sources using a multi-user immersive virtual reality environment. DIVE-ON is a system prototype that consolidates dis...
Ayman Ammoura, Osmar R. Zaïane, Randy Goebel
WMCSA
2002
IEEE
14 years 5 months ago
Composing Pervasive Data Using iQL
The emergence of pervasive networked data sources, such as web services, sensors, and mobile devices, enables context-sensitive, mobile applications. We have developed a programmi...
Norman H. Cohen, Hui Lei, Paul Castro, John S. Dav...
MSR
2010
ACM
14 years 5 months ago
The Ultimate Debian Database: Consolidating bazaar metadata for Quality Assurance and data mining
—FLOSS distributions like RedHat and Ubuntu require a lot more complex infrastructures than most other FLOSS projects. In the case of community-driven distributions like Debian, ...
Lucas Nussbaum, Stefano Zacchiroli
ER
2003
Springer
84views Database» more  ER 2003»
14 years 5 months ago
Resolving Structural Conflicts in the Integration of XML Schemas: A Semantic Approach
While the Internet has facilitated access to information sources, the task of scalable integration of these heterogeneous data sources remains a challenge. The adoption of the eXte...
Xia Yang, Mong-Li Lee, Tok Wang Ling
ER
2003
Springer
550views Database» more  ER 2003»
14 years 5 months ago
A UML Based Approach for Modeling ETL Processes in Data Warehouses
Data warehouses (DWs) are complex computer systems whose main goal is to facilitate the decision making process of knowledge workers. ETL (Extraction-Transformation-Loading) proces...
Juan Trujillo, Sergio Luján-Mora
DEXAW
2003
IEEE
113views Database» more  DEXAW 2003»
14 years 5 months ago
Using Repertory Grids to Test Data Quality and Experts' Hunches
The ‘theorise-inquire’ technique is described, which supports the testing of both experts’ hunches and the quality of data sources. This technique is useful for the identifi...
Simone Stumpf, Janet McDonnell
DASFAA
2003
IEEE
99views Database» more  DASFAA 2003»
14 years 5 months ago
Scalable View Expansion in a Peer Mediator System
To integrate many data sources we use a peer mediator framework where views defined in the peers are logically composed in terms of each other. A common approach to execute queri...
Timour Katchaounov, Vanja Josifovski, Tore Risch
VLDB
2004
ACM
106views Database» more  VLDB 2004»
14 years 5 months ago
Structures, Semantics and Statistics
At a fundamental level, the key challenge in data integration is to reconcile the semantics of disparate data sets, each expressed with a different database structure. I argue th...
Alon Y. Halevy