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SIGMOD
2011
ACM
220views Database» more  SIGMOD 2011»
12 years 7 months ago
Zephyr: live migration in shared nothing databases for elastic cloud platforms
Multitenant data infrastructures for large cloud platforms hosting hundreds of thousands of applications face the challenge of serving applications characterized by small data foo...
Aaron J. Elmore, Sudipto Das, Divyakant Agrawal, A...
SIGMOD
2011
ACM
219views Database» more  SIGMOD 2011»
12 years 7 months ago
Context-sensitive ranking for document retrieval
We study the problem of context-sensitive ranking for document retrieval, where a context is defined as a sub-collection of documents, and is specified by queries provided by do...
Liang Jeff Chen, Yannis Papakonstantinou
SIGMOD
2011
ACM
222views Database» more  SIGMOD 2011»
12 years 7 months ago
Data generation using declarative constraints
We study the problem of generating synthetic databases having declaratively specified characteristics. This problem is motivated by database system and application testing, data ...
Arvind Arasu, Raghav Kaushik, Jian Li
SIGMOD
2011
ACM
442views Database» more  SIGMOD 2011»
12 years 7 months ago
ArrayStore: a storage manager for complex parallel array processing
We present the design, implementation, and evaluation of ArrayStore, a new storage manager for complex, parallel array processing. ArrayStore builds on prior work in the area of m...
Emad Soroush, Magdalena Balazinska, Daniel L. Wang
SIGMOD
2011
ACM
210views Database» more  SIGMOD 2011»
12 years 7 months ago
A platform for scalable one-pass analytics using MapReduce
Today’s one-pass analytics applications tend to be data-intensive in nature and require the ability to process high volumes of data efficiently. MapReduce is a popular programm...
Boduo Li, Edward Mazur, Yanlei Diao, Andrew McGreg...
SIGMOD
2011
ACM
238views Database» more  SIGMOD 2011»
12 years 7 months ago
Data management over flash memory
Flash SSDs are quickly becoming mainstream and emerge as alternatives to magnetic disks. It is therefore imperative to incorporate them seamlessly into the enterprise. We present ...
Ioannis Koltsidas, Stratis Viglas
SIGMOD
2011
ACM
221views Database» more  SIGMOD 2011»
12 years 7 months ago
Scalable query rewriting: a graph-based approach
In this paper we consider the problem of answering queries using views, which is important for data integration, query optimization, and data warehouses. We consider its simplest ...
George Konstantinidis, José Luis Ambite
SIGMOD
2011
ACM
176views Database» more  SIGMOD 2011»
12 years 7 months ago
Sharing work in keyword search over databases
An important means of allowing non-expert end-users to pose ad hoc queries — whether over single databases or data integration systems — is through keyword search. Given a set...
Marie Jacob, Zachary G. Ives
SAC
2011
ACM
12 years 7 months ago
Site-autonomous distributed semantic caching
Semantic caching augments cached data with a semantic description of the data. These semantic descriptions can be used to improve execution time for similar queries by retrieving ...
Norvald H. Ryeng, Jon Olav Hauglid, Kjetil N&oslas...
EUROSYS
2011
ACM
12 years 8 months ago
Database engines on multicores, why parallelize when you can distribute?
Multicore computers pose a substantial challenge to infrastructure software such as operating systems or databases. Such software typically evolves slower than the underlying hard...
Tudor-Ioan Salomie, Ionut Emanuel Subasu, Jana Gic...