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ASPLOS
2009
ACM
16 years 7 months ago
TwinDrivers: semi-automatic derivation of fast and safe hypervisor network drivers from guest OS drivers
In a virtualized environment, device drivers are often run inside a virtual machine (VM) rather than in the hypervisor, for reasons of safety and reduction in software engineering...
Aravind Menon, Simon Schubert, Willy Zwaenepoel
VLDB
2007
ACM
118views Database» more  VLDB 2007»
16 years 6 months ago
Materialized Views in Probabilistic Databases for Information Exchange and Query Optimization
Views over probabilistic data contain correlations between tuples, and the current approach is to capture these correlations using explicit lineage. In this paper we propose an al...
Christopher Re, Dan Suciu
ADBIS
2004
Springer
224views Database» more  ADBIS 2004»
15 years 12 months ago
Using Ontologies for Database Query Reformulation
Abstract. Query reformulation techniques based on semantic knowledge have been used in two ways in database management systems, namely for query optimization and for data integrati...
Chokri Ben Necib, Johann Christoph Freytag
MIDDLEWARE
2004
Springer
15 years 12 months ago
Guiding Queries to Information Sources with InfoBeacons
The Internet provides a wealth of useful information in a vast number of dynamic information sources, but it is difficult to determine which sources are useful for a given query. ...
Brian F. Cooper
VLDB
2004
ACM
187views Database» more  VLDB 2004»
15 years 12 months ago
Voronoi-Based K Nearest Neighbor Search for Spatial Network Databases
A frequent type of query in spatial networks (e.g., road networks) is to find the K nearest neighbors (KNN) of a given query object. With these networks, the distances between ob...
Mohammad R. Kolahdouzan, Cyrus Shahabi