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Endophytc fungi were collected from the barks, branches and leaves of Taxus chinensis var. mairei from the Jiangxi, Zhejiang and Chongqing regions of China and their influences on geographic and tissue investigated. A total of 145 fungal taxa were identified based on molecular techniques, of these 125 taxa (86.2 %) belonging to Ascomycota, 14 (9.7 %) to(More)
Algorithmic techniques for formal verification can be used not just for bug-finding, but also to estimate vulnerability to reliability problems and to reduce overheads of circuit mechanisms for error resilience. We demonstrate this idea of verification-guided error resilience in the context of soft errors in latches. We show how model checking can be used(More)
Measuring a distance using phase measurements is a common practice in many areas of engineering. Almost inevitably these measurements are accompanied by noise, and are always subject to ambiguity resulting from the phase of modulo <formula formulatype="inline"><tex Notation="TeX">$2\pi$</tex></formula>. In the presence of phase ambiguity, where for instance(More)
We address the problem of verifying Probabilistic Computation Tree Logic (PCTL) properties of Markov Decision Processes (MDPs) whose state transition probabilities are only known to lie within uncertainty sets. We first introduce the model of Convex-MDPs (CMDPs), i.e., MDPs with convex uncertainty sets. CMDPs generalize Interval-MDPs (IMDPs) by allowing(More)
Systems are increasingly being constructed from off-the-shelf components acquired through a globally distributed and untrusted supply chain. Often only post-synthesis gate-level netlists or actual silicons are available for security inspection. This makes reasoning about hardware trojans particularly challenging given the enormous scale of the problem.(More)
Farnesyl diphosphate synthase (FPS; EC2.5.1.1/EC2. 5.1.10) catalyzes the synthesis of farnesyl diphosphate, and provides precursor for biosynthesis of sesquiterpene and isoprenoids containing more than 15 isoprene units in Ginkgo biloba. Here we report the cloning, characterization and functional analysis of a new cDNA encoding FPS from G. biloba. The(More)
Effective system verification requires good specifications. The lack of sufficient specifications can lead to misses of critical bugs, design re-spins, and time-to-market slips. In this paper, we present a new technique for mining temporal specifications from simulation or execution traces of a digital hardware design. Given an execution trace, we mine(More)
We propose a methodology to determine the occurrence of falls from among other common human movements. The source data is collected by wearable and mobile platforms based on three-axis accelerometers to measure subject kinematics. Our signal processing consists of preprocessing, pattern recognition and classification. One problem with data acquisition is(More)
Automatic synthesis of a reactive system from its formal specification is appealing but often difficult due to the tedium of writing auxiliary specifications, especially on the environment. In several instances, specifications are found unrealizable as a result of insufficient environmental assumptions. We present an approach to this problem for synthesis(More)
Peste des petits ruminants (PPR) is an acute and contagious disease of some small ruminants caused by peste des petits ruminants virus (PPRV). Fusion (F) protein and hemagglutinin (H) protein are two glycoproteins of PPRV that might induce a protective immune response. In this study, three replication-defective recombinant adenoviruses were constructed and(More)