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SIGMOD
2009
ACM
139views Database» more  SIGMOD 2009»
16 years 6 months ago
Detecting and resolving unsound workflow views for correct provenance analysis
views abstract groups of tasks in a workflow into high level composite tasks, in order to reuse sub-workflows and facilitate provenance analysis. However, unless a view is careful...
Peng Sun, Ziyang Liu, Susan B. Davidson, Yi Chen
PODS
2008
ACM
165views Database» more  PODS 2008»
16 years 6 months ago
Data exchange and schema mappings in open and closed worlds
In the study of data exchange one usually assumes an openworld semantics, making it possible to extend instances of target schemas. An alternative closed-world semantics only move...
Leonid Libkin, Cristina Sirangelo
ICFP
2005
ACM
16 years 6 months ago
Types with semantics: soundness proof assistant
We present a parametric Hoare-like logic for computer-aided reasoning about typeable properties of functional programs. The logic is based on the concept of a specialised assertio...
Olha Shkaravska
LCTRTS
2010
Springer
16 years 1 months ago
Modeling structured event streams in system level performance analysis
This paper extends the methodology of analytic real-time analysis of distributed embedded systems towards merging and extracting sub-streams based on event type information. For e...
Simon Perathoner, Tobias Rein, Lothar Thiele, Kai ...
PPOPP
2006
ACM
16 years 12 days ago
On-line automated performance diagnosis on thousands of processes
Performance analysis tools are critical for the effective use of large parallel computing resources, but existing tools have failed to address three problems that limit their scal...
Philip C. Roth, Barton P. Miller