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PVLDB
2010
112views more  PVLDB 2010»
13 years 8 months ago
Two-way Replacement Selection
The performance of external sorting using merge sort is highly dependent on the length of the runs generated. One of the most commonly used run generation strategies is Replacemen...
Xavier Martinez-Palau, David Dominguez-Sal, Josep-...
PVLDB
2010
110views more  PVLDB 2010»
13 years 8 months ago
Read-Once Functions and Query Evaluation in Probabilistic Databases
Probabilistic databases hold promise of being a viable means for large-scale uncertainty management, increasingly needed in a number of real world applications domains. However, q...
Prithviraj Sen, Amol Deshpande, Lise Getoor
PVM
2010
Springer
13 years 8 months ago
Toward Performance Models of MPI Implementations for Understanding Application Scaling Issues
Abstract. Designing and tuning parallel applications with MPI, particularly at large scale, requires understanding the performance implications of different choices of algorithms ...
Torsten Hoefler, William Gropp, Rajeev Thakur, Jes...
REFSQ
2010
Springer
13 years 8 months ago
Ambiguity Detection: Towards a Tool Explaining Ambiguity Sources
Abstract. [Context and motivation] Natural language is the main representation means of industrial requirements documents, which implies that requirements documents are inherently ...
Benedikt Gleich, Oliver Creighton, Leonid Kof
RTAS
2010
IEEE
13 years 8 months ago
Scheduling Self-Suspending Real-Time Tasks with Rate-Monotonic Priorities
Abstract—Recent results have shown that the feasibility problem of scheduling periodic tasks with self-suspensions is NPhard in the strong sense. We observe that a variation of t...
Karthik Lakshmanan, Ragunathan Rajkumar