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SEMWEB
2010
Springer
13 years 8 months ago
Using Reformulation Trees to Optimize Queries over Distributed Heterogeneous Sources
Abstract. In order to effectively and quickly answer queries in environments with distributed RDF/OWL, we present a query optimization algorithm to identify the potentially relevan...
Yingjie Li, Jeff Heflin
SEMWEB
2010
Springer
13 years 8 months ago
Optimizing Enterprise-Scale OWL 2 RL Reasoning in a Relational Database System
OWL 2 RL was standardized as a less expressive but scalable subset of OWL 2 that allows a forward-chaining implementation. However, building an enterprise-scale forward-chaining ba...
Vladimir Kolovski, Zhe Wu, George Eadon
EUROSYS
2011
ACM
13 years 1 months ago
Increasing performance in byzantine fault-tolerant systems with on-demand replica consistency
Traditional agreement-based Byzantine fault-tolerant (BFT) systems process all requests on all replicas to ensure consistency. In addition to the overhead for BFT protocol and sta...
Tobias Distler, Rüdiger Kapitza
ISPASS
2010
IEEE
14 years 5 months ago
Synthesizing memory-level parallelism aware miniature clones for SPEC CPU2006 and ImplantBench workloads
Abstract—We generate and provide miniature synthetic benchmark clones for modern workloads to solve two pre-silicon design challenges, namely: 1) huge simulation time (weeks to m...
Karthik Ganesan, Jungho Jo, Lizy K. John
CODES
2007
IEEE
14 years 4 months ago
Power deregulation: eliminating off-chip voltage regulation circuitry from embedded systems
In battery-powered embedded systems, dedicated circuitry is used to convert stored energy into a form that can be directly used by processors. These power regulation devices seek ...
Seunghoon Kim, Robert P. Dick, Russ Joseph