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SIGMOD
2007
ACM
147views Database» more  SIGMOD 2007»
16 years 4 months ago
Extending relational query optimization to dynamic schemas for information integration in multidatabases
This paper extends relational processing and optimization to the FISQL/FIRA languages for dynamic schema queries over multidatabases. Dynamic schema queries involve the creation a...
Catharine M. Wyss, Felix I. Wyss
DOLAP
2004
ACM
15 years 9 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
113
Voted
CONCURRENCY
2008
105views more  CONCURRENCY 2008»
15 years 4 months ago
Coordinating access control in grid services
We describe how to control the cumulative use of distributed grid resources by using coordination aware policy decision points (coordinated PDPs) and an SQL database to hold "...
David W. Chadwick, Linying Su, Romain Laborde
SIGMOD
2010
ACM
215views Database» more  SIGMOD 2010»
14 years 10 months ago
Crescando
This demonstration presents Crescando, an implementation of a distributed relational table that guarantees predictable response time on unpredictable workloads. In Crescando, data...
Georgios Giannikis, Philipp Unterbrunner, Jeremy M...
GIS
2005
ACM
16 years 5 months ago
Spatial queries in sensor networks
Recent advances in low-power sensing devices coupled with the widespread availability of wireless ad-hoc networks have fueled the development of sensor networks. These are typical...
Amir Soheili, Vana Kalogeraki, Dimitrios Gunopulos