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» Managing Source Schema Evolution in Web Warehouses
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PVLDB
2008
146views more  PVLDB 2008»
13 years 8 months ago
Graceful database schema evolution: the PRISM workbench
Supporting graceful schema evolution represents an unsolved problem for traditional information systems that is further exacerbated in web information systems, such as Wikipedia a...
Carlo Curino, Hyun Jin Moon, Carlo Zaniolo
ADBIS
2006
Springer
81views Database» more  ADBIS 2006»
14 years 2 months ago
SDQNET: Semantic Distributed Querying in Loosely Coupled Data Sources
Web communities involve networks of loosely coupled data sources. Members in those communities should be able to pose queries and gather results from all data sources in the networ...
Eirini Spyropoulou, Theodore Dalamagas
DOLAP
2006
ACM
14 years 7 days ago
Building a web warehouse for accessibility data
As more and more information is available on the web, it is a problem that many web resources are not accessible, i.e., are not usable for users with special needs. For example, f...
Christian Thomsen, Torben Bach Pedersen
DOLAP
1999
ACM
14 years 26 days ago
Aggregation Everywhere: Data Reduction and Transformation in the Phoenix Data Warehouse
This paper describes the Phoenix system, which loads a data warehouse and then reports against it. Between the raw atomic data of the source system and the business measures prese...
Steven Tolkin
BTW
2005
Springer
142views Database» more  BTW 2005»
14 years 2 months ago
Self-Extending Peer Data Management
Abstract: Peer data management systems (PDMS) are the natural extension of integrated information systems. Conventionally, a single integrating system manages an integrated schema,...
Ralf Heese, Sven Herschel, Felix Naumann, Armin Ro...