36 search results - page 7 / 8 » MRShare: Sharing Across Multiple Queries in MapReduce |
PODS
2010
ACM
13 years 11 months ago
2010
ACM
A fundamental problem in data management is to draw a sample of a large data set, for approximate query answering, selectivity estimation, and query planning. With large, streamin...
VLDB
2007
ACM
14 years 6 months ago
2007
ACM
Scientific data are posing new challenges to data management due to the large volume, complexity and heterogeneity of the data. Meanwhile, scientific collaboration becomes increas...
VLDB
2004
ACM
13 years 11 months ago
2004
ACM
At a fundamental level, the key challenge in data integration is to reconcile the semantics of disparate data sets, each expressed with a different database structure. I argue th...
ICDE
2007
IEEE
14 years 14 days ago
2007
IEEE
Recent industry trends towards reducing the costs of ownership in large data centers emphasize the need for database system techniques for both automatic performance tuning and ef...
BMCBI
2005
13 years 6 months ago
2005
Background: A large volume of data and information about genes and gene products has been stored in various molecular biology databases. A major challenge for knowledge discovery ...