Sciweavers

713 search results - page 5 / 143
» A Learning Optimizer for a Federated Database Management Sys...
Sort
View
DOLAP
2004
ACM
15 years 3 months ago
Evaluating XML-extended OLAP queries based on a physical algebra
In today’s OLAP systems, integrating fast changing data, e.g., stock quotes, physically into a cube is complex and time-consuming. The widespread use of XML makes it very possib...
Xuepeng Yin, Torben Bach Pedersen
BTW
2005
Springer
142views Database» more  BTW 2005»
15 years 3 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...
DOLAP
2003
ACM
15 years 2 months ago
Achieving adaptivity for OLAP-XML federations
Motivated by the need for more flexible OLAP systems, this paper presents work on logical integration of external data in OLAP databases, carried out in cooperation between the D...
Dennis Pedersen, Torben Bach Pedersen
ISEMANTICS
2010
14 years 8 months ago
An evaluation of approaches to federated query processing over linked data
The Web has evolved from a global information space of linked documents to a web of linked data. The Web of Data enables answering complex, structured queries that could not be an...
Peter Haase, Tobias Mathäß, Michael Zil...
CAMAD
2009
IEEE
15 years 2 months ago
Improving Federation Executions with Migrating HLA/RTI Central Runtime Components
— Simulation tools are popular in the design and study of communication systems and networks. The implementation of analytic distributed simulations commonly require a central en...
Ricardo Lent