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CSDA
2010
173views more  CSDA 2010»
15 years 6 months ago
Time-varying joint distribution through copulas
This paper deals with the analysis of temporal dependence in multivariate highfrequency time series data. The dependence structure between the marginal series is modelled through ...
M. Concepcion Ausin, Hedibert F. Lopes
CORR
2008
Springer
126views Education» more  CORR 2008»
15 years 6 months ago
A TLA+ Proof System
We describe an extension to the TLA+ specification language with constructs for writing proofs and a proof environment, called the Proof Manager (PM), to checks those proofs. The ...
Kaustuv Chaudhuri, Damien Doligez, Leslie Lamport,...
CSDA
2008
86views more  CSDA 2008»
15 years 6 months ago
Transformations for semi-continuous data
Semi-continuous data arise in many applications where naturally-continuous data become contaminated by the data generating mechanism. The resulting data contain several values tha...
Galit Shmueli, Wolfgang Jank, Valerie Hyde
ECRA
2008
95views more  ECRA 2008»
15 years 6 months ago
A modeling approach and reference models for the analysis of mobile payment use cases
Mobile payments can be categorized according to their usage in each of the five payment scenarios presented here. The paper proposes the mobile payment modeling approach (MPMA) es...
Key Pousttchi
ENTCS
2008
87views more  ENTCS 2008»
15 years 6 months ago
The Complexity of Satisfiability for Fragments of CTL and CTL*
The satisfiability problems for CTL and CTL are known to be EXPTIME-complete, resp. 2EXPTIMEcomplete (Fischer and Ladner (1979), Vardi and Stockmeyer (1985)). For fragments that u...
Arne Meier, Martin Mundhenk, Michael Thomas, Herib...