maintenance when the system is built with multiple knowledge engineers

báo cáo khoa học: "Best linear unbiased prediction when error vector is correlated with other random vectors in the model" pptx

báo cáo khoa học: "Best linear unbiased prediction when error vector is correlated with other random vectors in the model" pptx

Ngày tải lên : 09/08/2014, 22:23
... to be equivalent if they yield the matrix of y, and E(y) is the same for both models Let same variance-covariance and V = CGC’ + B which is the same as (2.3) Thus, a model with covariances between ... this case V(K’13’) = K’P I I K for Alternative K’fi being equations to equations estimable (3.2) that not require the inverse of B are The disadvantage of these equations is that (S’R-’S-G) is ... model with zero covariances between e and u The computational problems depend on the structure of S which influences the form of C and B The equivalent model allows one to directlyuse the usual...
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lessons in grid computing the system is a mirror

lessons in grid computing the system is a mirror

Ngày tải lên : 01/06/2014, 10:38
... information systems The Prime Theorem is this: We mirror ourselves in the systems that we build Therefore: Corollary The systems will not “talk to each other” if the people are not “talking to each other.” ... enough that they understood themselves in the context of the larger entity They knew information systems Now they understood that the company itself was a system, not unlike the systems they knew ... of distressed projects for the executive team The expectation, among most of my clients, is that a technical issue is the root of the problem Invariably, I have discovered that the central issue...
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báo cáo hóa học:" Increased androgen receptor expression in serous carcinoma of the ovary is associated with an improved survival" doc

báo cáo hóa học:" Increased androgen receptor expression in serous carcinoma of the ovary is associated with an improved survival" doc

Ngày tải lên : 20/06/2014, 07:20
... they have no competing interests Authors' contributions BN carried out the immunohistochemical analysis, performed the statistical analysis, and drafted the manuscript NZ and EN carried out the ... The main limitation of this study is the absence of data on residual disease and future studies of AR expression in EOC should incorporate this in any multivariate analysis While associated with ... >75%).Examples of tumors with low AR expression are visualized in the left panels and tumors with high expression in the right panels Bars in the middle represent the distribution of positive...
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Báo cáo khoa học: "Mantle cell lymphoma of the gastrointestinal tract presenting with multiple intussusceptions – case report and review of literature" docx

Báo cáo khoa học: "Mantle cell lymphoma of the gastrointestinal tract presenting with multiple intussusceptions – case report and review of literature" docx

Ngày tải lên : 09/08/2014, 04:21
... present with MLP Definitive diagnosis of MLP requires histological examination of the specimen with histomorphologic and immunophenotypic analysis In our case, histological examination of the ileum, ... pictures showing multiple (three) intussusceptions (part 3) Figure strong positivity with Cyclin D1 Immunohistochemistry of the polypoid lesion revealing Immunohistochemistry of the polypoid lesion ... anastomosis The postoperative period was uneventful and the patient was discharged on the fourth postoperative day The pathology confirmed multiple lesions of about one inch diameter, involving the...
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Báo cáo y học: "When the pie is too small" pps

Báo cáo y học: "When the pie is too small" pps

Ngày tải lên : 09/08/2014, 20:22
... accelerated during the doubling Taking this further, it suggests that as the budget has increased, the NIH is putting more of its money into proportionally fewer labs The distribution of grants ... most of the directors of the NIH institutes and centers, who control their individual budgets, are going to be able to resist the temptation to protect the most visible, glamorous, and disease-related ... a mode of (the most investigators have one grant, the second most have two, the third most have three, and so on) But perhaps even more important is the dollar amount, because it is the finite...
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Báo cáo y học: "Severe heparin-induced thrombocytopenia: when the obvious is not obvious, a case report" pptx

Báo cáo y học: "Severe heparin-induced thrombocytopenia: when the obvious is not obvious, a case report" pptx

Ngày tải lên : 11/08/2014, 10:22
... either venous or arterial thromboemboli [7] Additionally, in HIT patients without thrombosis at diagnosis, the risk for thrombosis in the weeks after heparin cessation is 19%–52% [9-11] This risk ... hospitalization diagnosed with HIT, whereby the thrombocytopenia becomes apparent early, even within hours, after heparin re-exposure [11] When HIT with or without thrombosis is suspected, the first step ... reason, the term "HIT" when used alone, is now becoming reserved for use in referring to the immune-mediated type, or type II [4] In HIT, even when thrombocytopenia is severe, bleeding is rare Rather,...
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Báo cáo y học: "4G/5G polymorphism of PAI-1 gene is associated with multiple organ dysfunction and septic shock in pneumonia induced severe sepsis: prospective, observational, genetic study" doc

Báo cáo y học: "4G/5G polymorphism of PAI-1 gene is associated with multiple organ dysfunction and septic shock in pneumonia induced severe sepsis: prospective, observational, genetic study" doc

Ngày tải lên : 13/08/2014, 20:22
... analysis was performed by comparing the detected genotype distribution with the theoretical distribution estimated on the basis of the allele frequencies Multiple logistic regression analysis was ... population consisted of relatively elderly subjects The observed association with the 4G/ 5G polymorphism may be due to its linkage disequilibrium with other functional polymorphisms in the PAI-1 ... in the manifestation of sepsis, clinical factors, Page of such as the etiology of the infectious process, the virulence of the pathogenic microorganism, undrainable surgical source of sepsis, the...
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Báo cáo y học: "The system is broken" pps

Báo cáo y học: "The system is broken" pps

Ngày tải lên : 14/08/2014, 16:21
... staff of the awarding institute and to the applicant (The second level of peer review is carried out by the NIH National Advisory Councils These councils are composed of scientists from the extramural ... funding decisions of the Science Review Groups, but they have that power.) There is some confusion about the meaning of the percentile score awarded by Science Review Groups as compared with the success ... 50% is nothing to be happy about But the number that really matters for peer reviewers is the percentile ranking, because this is what the Scientific Review Group members are aware of when they...
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Báo cáo khoa học: "TEXT UNDERSTANDING WITH MULTIPLE KNOWLEDGE SOURCES: AN EXPERIMENT IN DISTRIBUTED PARSING" docx

Báo cáo khoa học: "TEXT UNDERSTANDING WITH MULTIPLE KNOWLEDGE SOURCES: AN EXPERIMENT IN DISTRIBUTED PARSING" docx

Ngày tải lên : 01/04/2014, 00:20
... specialists are independent problem solvers, we also assume that they have no mutual knowledge: they not know about each other, they not even know about the existence of other specialists This assumption ... that this is the first occurrence of SCHEDULER In the former case, QS will quantify the entity with an existential quantification In the latter case, the need arises of considering also the tense ... of the system The Morphology Specialist (MS) is devoted to perform the morphological analysis of each word, i.e extracting from the Dictionary all the relevant information and determining the...
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The boundary element method with programming for engineers and scientists - phần 1 pps

The boundary element method with programming for engineers and scientists - phần 1 pps

Ngày tải lên : 13/08/2014, 08:21
... instead of satisfying both the DE and the BCs, one can attempt to satisfy only one of the two and minimise the error in satisfying the other one In the first approach (based on the original idea ... are proposed that satisfy the boundary conditions exactly The error in satisfying the differential equation is then minimised This is the well known Finite Element Method In the alternative (proposed ... by Trefftz2), the assumed functions satisfy the DE exactly and the error in the satisfaction of the boundary conditions is minimised Most readers of this book will be familiar with the finite element...
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The boundary element method with programming for engineers and scientists - phần 2 pptx

The boundary element method with programming for engineers and scientists - phần 2 pptx

Ngày tải lên : 13/08/2014, 08:21
... computing the length of the vector: V3 V32x V32y V32z J (3.55) This is also the real area of a segment of size 1x1 in the local coordinate system, or the Jacobian of the transformation The normalised ... the x- and y-axes The variation of the displacements in y-direction shows anti-symmetry about both axes The influence of the Poisson's ratio on the displacements perpendicular to the load axis ... to specifying the geometry of the problem, it is necessary to describe the physical response of the material in a mathematical way This is done by defining the response characteristics of an infinitesimally...
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The boundary element method with programming for engineers and scientists - phần 3 doc

The boundary element method with programming for engineers and scientists - phần 3 doc

Ngày tải lên : 13/08/2014, 08:21
... minimise the error in the satisfaction of the Betti theorem This approach is also known by the term weighted residual methods, because weighting functions are used in the minimisation of the residual ... solutions for the flow normal to the boundary of the isolator are added then: t t (b ) t (a) (5.6) i.e the boundary condition that no flow occurs normal to the isolator is satisfied The final solution ... the temperature versus the number of points P 104 The Boundary Element Method with Programming The error in the computation of the temperature at the top of the circular isolator (point Q1) is...
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The boundary element method with programming for engineers and scientists - phần 4 pot

The boundary element method with programming for engineers and scientists - phần 4 pot

Ngày tải lên : 13/08/2014, 08:21
... Pi is one of the element nodes Subroutine INTEG3 is divided into two parts The first part deals with integration when Pi is not one of the nodes of the element over which the integration is made ... boundary elements The second part of the SUBROUTINE deals with the case where Pi is one of the nodes of the element which we integrate over To deal with the singularity of the integrand the element ... of the displacement have to be considered during assembly If this assembly procedure is used, then the number of unknowns for the problem is reduced to the nodes on the right hand side of the...
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The boundary element method with programming for engineers and scientists - phần 5 pps

The boundary element method with programming for engineers and scientists - phần 5 pps

Ngày tải lên : 13/08/2014, 08:21
... symmetric This has been claimed as one of the disadvantages of the method However, this is more than compensated by the fact that the size of the system is significantly smaller The output from the program ... program consists only of the values of the unknown at the boundary The unknown are either the temperature/displacement or the flow normal to 200 The Boundary Element Method with Programming the boundary/boundary ... until they are accumulated into F and Diag N_tot is the total number of entries in Diag Otherwise the declarations are unchanged The first sign of parallelisation is the need to establish the number...
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The boundary element method with programming for engineers and scientists - phần 6 pot

The boundary element method with programming for engineers and scientists - phần 6 pot

Ngày tải lên : 13/08/2014, 08:21
... be to include in the fundamental solution the classical beam bending theory If this is done then there is only need to discretise the centerline of the beam thereby avoiding all the difficulties ... 10.2.4 Comparison with FEM We now make a comparison with the finite element method The mesh shown in Fig 10.4 has the same discretisation on the boundary as the BEM mesh If we change the thickness ... plots The detailed description of the graphical postprocessing is beyond the scope of this book and the reader is referred to the literature on this subject One approach to contouring is mentioned...
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The boundary element method with programming for engineers and scientists - phần 7 ppsx

The boundary element method with programming for engineers and scientists - phần 7 ppsx

Ngày tải lên : 13/08/2014, 08:21
... implement the method we have also laid the groundwork for the coupling with the finite element method so that there is not much more theory to discuss in Chapter 16 The multi-region method extends the ... for the integration when the collocation point is located at the element The subroutine NonsingularIntegration2D performs the integration for the case where the shape function value is zero at the ... height is used As is shown in Figure 12.5 the vertical displacements at the length side of the beam are the same and agree very well with the analytical solution, except for the coarse mesh with...
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The boundary element method with programming for engineers and scientists - phần 8 pps

The boundary element method with programming for engineers and scientists - phần 8 pps

Ngày tải lên : 13/08/2014, 08:21
... excavation and the one step excavation results should be the same The geometry of these single region meshes is shown in Figure 12.15 Only the boundary of the excavated part is discretised and the excavation ... P, Q dS S where the last integral is over the line on which the distributed force acts The work done by the displacements of load case times the forces of load case 2, W21 is the same as explained ... Application of the theorem of Betti including the effect of initial strains The work done by the forces/stresses of load case times the displacements of load case one is the same as for the case without...
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The boundary element method with programming for engineers and scientists - phần 9 ppsx

The boundary element method with programming for engineers and scientists - phần 9 ppsx

Ngày tải lên : 13/08/2014, 08:21
... optimise the number of iterations Then we solve for the unknown displacements/tractions with the applied loading With the boundary results we compute the stresses at each cell node and check the ... (15.49) Sc where n is the vector normal to Sc , the boundary of the cell surrounding the point Pa ˆ The strong singularity in the kernel E is now isolated and the numerical evaluation with Gauss Quadrature ... analysis Some results of the analysis are shown here Figure 16.6 shows the displaced shape and 16.7 the distribution of the maximum compressive stress in the finite element region The distribution...
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the boundary element method with programming for engineers and scientists - phần 10 pot

the boundary element method with programming for engineers and scientists - phần 10 pot

Ngày tải lên : 13/08/2014, 08:21
... conditions The block is fixed at the bottom and loaded on the top surface with a constant pressure of p = 1N/m² The inclusion is assumed to be 10 times softer than the block The block is discretised with ... the time-dependent 448 The Boundary Element Method with Programming displacements at the top of the column obtained from the analysis The results compare well with a reference solution with the ... on the global c xn coordinate system As the initial stress in (18.15) is based on a local coordinate system the fundamental solution is needed in the local system, too E is calculated with the...
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