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» Coalgebraic semantics for timed processes
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ICDE
2009
IEEE
183views Database» more  ICDE 2009»
16 years 1 months ago
Efficient Indices Using Graph Partitioning in RDF Triple Stores
With the advance of the Semantic Web, varying RDF data were increasingly generated, published, queried, and reused via the Web. For example, the DBpedia, a community effort to extr...
Ying Yan, Chen Wang, Aoying Zhou, Weining Qian, Li...
DEXA
2004
Springer
110views Database» more  DEXA 2004»
15 years 5 months ago
An a Priori Approach for Automatic Integration of Heterogeneous and Autonomous Databases
Data integration is the process that gives users access to multiple data sources though queries against a global schema. Semantic heterogeneity has been identified as the most imp...
Ladjel Bellatreche, Guy Pierra, Dung Nguyen Xuan, ...
CHI
2011
ACM
14 years 3 months ago
YouPivot: improving recall with contextual search
According to cognitive science literature, human memory is predicated on contextual cues (e.g., room, music) in the environment. During recall tasks, we associate information/acti...
Joshua M. Hailpern, Nicholas Jitkoff, Andrew Warr,...
SIGMOD
2007
ACM
124views Database» more  SIGMOD 2007»
15 years 12 months ago
Query suspend and resume
Suppose a long-running analytical query is executing on a database server and has been allocated a large amount of physical memory. A high-priority task comes in and we need to ru...
Badrish Chandramouli, Christopher N. Bond, Shivnat...
VLDB
1998
ACM
110views Database» more  VLDB 1998»
15 years 4 months ago
Massive Stochastic Testing of SQL
Deterministic testing of SQL database systems is human intensive and cannot adequately cover the SQL input domain. A system (RAGS), was built to stochastically generate valid SQL ...
Donald R. Slutz