Sciweavers

1179 search results - page 64 / 236
» Query Containment for Data Integration Systems
Sort
View
SAC
2009
ACM
15 years 4 months ago
Adaptive burst detection in a stream engine
Detecting bursts in data streams is an important and challenging task. Due to the complexity of this task, usually burst detection cannot be formulated using standard query operat...
Marcel Karnstedt, Daniel Klan, Christian Pöli...
COOPIS
2002
IEEE
15 years 2 months ago
Efficient Querying of Distributed Resources in Mediator Systems
: This work investigates the integration of heterogeneous resources, such as data and programs, in a fully distributed peer-to-peer mediation architecture. The challenge in making ...
Ioana Manolescu, Luc Bouganim, Françoise Fa...
VLDB
2007
ACM
152views Database» more  VLDB 2007»
15 years 10 months ago
Structured Materialized Views for XML Queries
The performance of XML database queries can be greatly enhanced by rewriting them using materialized views. We study the problem of rewriting a query using materialized views, whe...
Andrei Arion, Ioana Manolescu, Véronique Be...
OTM
2005
Springer
15 years 3 months ago
Don't Mind Your Vocabulary: Data Sharing Across Heterogeneous Peers
The strong dynamics of peer-to-peer networks, coupled with the diversity of peer vocabularies, makes query processing in peer database systems a very challenging task. In this pape...
Mehedi Masud, Iluju Kiringa, Anastasios Kementsiet...
ICDE
2003
IEEE
102views Database» more  ICDE 2003»
15 years 11 months ago
Schema Mediation in Peer Data Management Systems
Intuitively, data management and data integration tools should be well-suited for exchanging information in a semantically meaningful way. Unfortunately, they suffer from two sign...
Alon Y. Halevy, Zachary G. Ives, Dan Suciu, Igor T...