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» Data Quality Improvement in the DaQuinCIS System
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ER
2003
Springer
550views Database» more  ER 2003»
14 years 2 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
ICDE
2007
IEEE
146views Database» more  ICDE 2007»
14 years 10 months ago
Conditional Functional Dependencies for Data Cleaning
We propose a class of constraints, referred to as conditional functional dependencies (CFDs), and study their applications in data cleaning. In contrast to traditional functional ...
Philip Bohannon, Wenfei Fan, Floris Geerts, Xibei ...
ICC
2009
IEEE
133views Communications» more  ICC 2009»
14 years 3 months ago
Reducing Average Power in Wireless Sensor Networks through Data Rate Adaptation
—The use of variable data rate can reduce network latency and average power consumption, and automatic rate selection is critical for improving scalability and minimizing network...
Steven Lanzisera, Ankur Mehta, Kristofer S. J. Pis...
ICDE
2009
IEEE
156views Database» more  ICDE 2009»
14 years 10 months ago
Integrating and Ranking Uncertain Scientific Data
Mediator-based data integration systems resolve exploratory queries by joining data elements across sources. In the presence of uncertainties, such multiple expansions can quickly ...
Landon Detwiler, Wolfgang Gatterbauer, Brenton Lou...
HPCC
2007
Springer
14 years 3 months ago
A Proactive Method for Content Distribution in a Data Indexed DHT Overlay
In a data-indexed DHT overlay network, published data annotations form distributed databases. Queries are distributed to these databases in a nonuniform way. Constructing content d...
Bassam A. Alqaralleh, Chen Wang, Bing Bing Zhou, A...