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Sequential detection of multiple change points in networks: a graphical model approach
Sequential detection of multiple change points in networks graphical model approach
2012/9/19
We propose a probabilistic formulation that enables sequential detection of multiple change points in a network setting. We present a class of sequential detection rules for cer-tain functionals of ch...
Parameter estimation in the stochastic Morris-Lecar neuronal model with particle filter methods
Parameter estimatio stochastic Morris-Lecar neuronal mode particle filter methods
2012/9/19
In this paper, we consider the classic measurement error regression scenario in which our independent,or design, variables are observed with several sources of additive noise. We will show that our mo...
Generalized Interference Models in Doubly Stochastic Poisson Random Fields for Wideband Communications: the PNSC(alpha) model
Interference models Cox Process Doubly Stochastic Poisson Stable Process Isotropicα-stable Complexα-stable
2012/9/19
A general stochastic model is developed for the total interference in wideband systems, denoted as the PNSC(α) Interference Model. It allows one to obtain, analytic representations in situations where...
Flexible Mixture Modeling with the Polynomial Gaussian Cluster-Weighted Model
Mixture of distributions Mixture of regressions Polynomial regression Model-based clustering Model-based classification Cluster-weighted models.
2012/9/18
In the mixture modeling frame, this paper presents the polynomial Gaussian cluster-weighted model (CWM). It extends the linear Gaussian CWM, for bivariate data, in a twofold way. Firstly, it allows fo...
Model-Based Clustering of Large Networks
social networks stochastic block models finite mixture models EM algorithms generalized EM algorithms variational EM algorithms MM algorithms
2012/9/18
We describe a network clustering framework, based on finite mix-ture models, that can be applied to discrete-valued networks with hundreds of thousands of nodes and billions of edge variables. Rela-ti...
Privacy Accountability Model and Policy for Security Organizations
Privacy Data Protection Accountability Regulation Self-Regulation Privacy by Design PATS Project
2013/2/23
This paper describes a new model of privacy accountability and associates its dimensions with elements of the proposed European Commission regulation on the protection of individuals with regard to th...
Household Choices of Child Labor and Schooling: A Simple Model with Application to Brazil
Household Choices Child Labor Schooling Simple Model Application Brazil
2016/3/9
This paper argues that conflicting results from previous literature—related to the effect of economic conditions on child labor—derive from different income and substitution effects implicit in differ...
An employer brand predictive model for talent attraction and retention
An employer brand predictive model talent attraction retention
2012/10/17
In an ever shrinking global talent pool organisations use employer brand to attract and retain talent, however, in the absence of theoretical pointers, many organisations are losing out on a powerful ...
MANAGING THE KNOWLEDGE SUPPLY CHAIN: AN ORGANIZATIONAL LEARNING MODEL OF INFORMATION TECHNOLOGY OFFSHORE OUTSOURCING
backshoring IT offshoring knowledge management learning-by-doing organizational learning
2011/10/29
In this paper, we present an economic learning model that helps to formalize the complex relationships among an offshoring firm's knowledge levels, production costs, and coordination costs. Specifical...
User Acceptance of Agile Information Systems: A Model and Empirical Test
agile methods agile systems availability heuristic comfort with change information systems continuance
2011/10/29
In response to the rapid changes in users' requirements, a new generation of information systems (IS), namely, agile IS, has emerged. Agile IS, defined as information systems developed using agile met...
This paper presents and tests a model of recovery management practices in business-to-business (B2B) sales organizations. The linkages between organic and mechanistic approaches are integrated to prov...
De-escalating IT Projects: The DMM Model
a variety of techniques completing information technology development projects British government organization
2011/10/29
The article presents a variety of techniques for successfully completing information technology (IT) development projects which have gone over budget in terms of time or money. These include the crisi...
Dependence of lead time on batch size studied by a system dynamics model
batch processing inventory management modelling bullwhip effect
2011/10/29
Most planning models treat lead time as a constant independent of workload, but the resulting order rate implies capacity utilisation that, in turn, affects the lead time. An important factor that det...
A MULTI-PROJECT MODEL OF KEY FACTORS AFFECTING ORGANIZATIONAL BENEFITS FROM ENTERPRISE SYSTEMS
change management Enterprise system success functional fit improved access to information
2011/10/24
This paper develops a long-term, multi-project model of factors affecting organizational benefits from enterprise systems (ES), then reports a preliminary test of the model. In the shorter-term half o...
EMERGENCE OF THE HUMAN CAPITAL RESOURCE: A MULTILEVEL MODEL
human capital multilevel model connecting research personnel departments
2011/10/22
The article presents a theory of human capital in terms of a multilevel model connecting research at various levels of scale. It defines human capital in terms of knowledge, abilities, and skills. The...