... (Zhang et al., 2008) in our current implementation 2.2 The SSG-based Translation Model The translation in our SSG-based translation model can be treated as a SSG derivation A derivation consists ... of a sequence of grammar rule applications To model the derivations as a latent variable, we define the conditional probability distribution over the target translation e and the cor- This relates ... Designing Machine Translation Systems Machine Translation, 5(4):265-300 Dekai Wu 1997 Stochastic inversion transduction grammars and bilingual parsing of parallel corpora Computational Linguistics,...
Ngày tải lên: 31/03/2014, 00:20
Ngày tải lên: 21/01/2014, 08:20
Báo cáo khoa học: "A Hierarchical Bayesian Language Model based on Pitman-Yor Processes" docx
... performance overall Note that the parameter values in HPYCV are still not the optimal ones since they are obtained by cross-validation using IKN, an approximation to a hierarchical Pitman-Yor language ... note that such a direct generalization leads us to a good language model Both the hierarchical Dirichlet process and the hierarchical Pitman-Yor process are examples of Bayesian nonparametric ... in natural languages, and it has been argued that as a result they are more suited to applications in natural language processing (Goldwater et al., 2006) We show experimentally that our hierarchical...
Ngày tải lên: 17/03/2014, 04:20
Stream Prediction Using A Generative Model Based On Frequent Episodes In Event Sequences doc
... interface a ordance (e.g., sort search results based on different meta-data), or search paradigm (e.g., engage in an instant messaging conversation with a domain expert) to encourage them to stay ... and computationally feasible approach, to generative model estimation for sequential data SIMULATION EXPERIMENTS In this section, we present results on synthetic data generated by suitably embedding ... effect of varying the noise parameter of the EGHs (in the data generation mixture) on prediction performance The model parameter, W , is fixed at Synthetic data generation parameters were fixed as follows:...
Ngày tải lên: 23/03/2014, 13:20
Báo cáo hóa học: " A human motion model based on maps for navigation systems" pptx
... where a large conference hall is close to more constraining rooms and corridors Multimodal situations arise when a person walks past a door at an angle and a certain fraction of the particles walk ... layout map matrix adequate for our simulation environment The walls are depicted in black, not easily reachable forest area is marked with dark gray, and flowerbed areas are drawn in light gray ... our case, the actual waypoint The advantage of taking the actual waypoint as the source of the gas is that we can obtain a weighting function directly from the gas distribution Another advantage...
Ngày tải lên: 21/06/2014, 01:20
Báo cáo hóa học: " Research Article Static Object Detection Based on a Dual Background Model and a Finite-State Machine Rub´ n Heras Evangelio and Thomas Sikora e" doc
... fashion some additional specialized states can be defined Figure also shows six additional conditions on six transitions marked as an orange point on the respective transition arrows The reason ... modelled as a mixture of a maximum number N of Gaussians Each Gaussian distribution i is characterized by an estimated mixing weight ωi , a mean value, and a variance The Gaussian distributions are ... mask based on this background model Pixel classification was made taking the pixels whose FSMs were in the states AP and NI, or in the states PAP and PAPAP for a time longer than 800 frames and...
Ngày tải lên: 21/06/2014, 07:20
Báo cáo y học: "iagnostic Markers based on a Computational Model of Lipoprotein Metabolism" ppsx
... available data on lipoprotein concentrations and metabolic fluxes Since the model outcomes cannot be measured directly, the only available technical validation was corroboration For an initial ... patient’s data in the current implementation Model Calibration The model equations contain parameters that are allowed to assume different values for different patients and model constants that ... minimum particle size at which apoE-related liver attachment takes place, and A and B are shape parameters -6- The model specifies that once a particle has been attached it is either directly taken...
Ngày tải lên: 10/08/2014, 09:22
Báo cáo y học: "Pressure-dependent stress relaxation in acute respiratory distress syndrome and healthy lungs: an investigation based on a viscoelastic model" pps
... data analysis and writing DS participated in data measurement and assisted writing SS assisted data analysis and writing Additional files The following Additional files are available online: Additional ... Data analysis was based on a viscoelastic lumped parameter model Frequency related characteristics were investigated by impedance analysis Materials and methods Patients and mechanical ventilation ... parameters R, Cst, Rve and Cve were determined and inserted into the model For each parameterized model, a Bode magnitude plot was drawn Data presentation and statistical evaluation For data...
Ngày tải lên: 13/08/2014, 20:21
Nghiên cứu mô hình phát triển phần mềm theo định hướng sử dụng lại = Study on a reuse oriented software development model
Ngày tải lên: 19/03/2015, 09:32
Product family design based on a design reuse model
... markup language αi Cost coefficient of complexity ι A vector of component attributes κ A key element µ A scalar value of mean σ A scalar value of standard deviation ζ A scalar value of probability ... explicitly deals with functional, behavioral and structural information (Jiao and Tseng, 1999) The Programmed Attribute Graph Grammar (PAGG) was developed based on the graph grammar to specify ... the optimal solutions Ong et al (2006) formulated product customization as a Constraint Satisfaction Problem (CSP), which was solved using the invasion-based algorithm Gonzalez-Zugasti and Otto...
Ngày tải lên: 14/09/2015, 09:46
Development of a two dimensional wave model based on the extended boussinesq equations
... η and a tridiagonal matrix for uα in the predictor and corrector stages, and tridiagonal matrices for both variables in the iterative stage Tridiagonal matrices contain only diagonal and adjacent ... momentum balance equations, and phase-averaged models, which are based on a spectral energy balance equation The application of phase-resolving models, which require 10 ~ 100 time steps for each wave ... involving an additional free parameter (Schaffer and Madsen, 1995) In contrast, by defining the dependent variable as the velocity at an arbitrary depth, Nwogu (1993) achieved a rational polynomial approximation...
Ngày tải lên: 04/10/2015, 15:52
ON a PHASE TRANSITION OF NUCLEAR MATTER IN THE NAMBU JONA LASINIO MODEL
... C, Dµν and R33µν are the propagators of nucleon, sigma, omega and rho mesons, respectively; σ, ω and ρ are expectation values of the sigma, omega and rho fields in the ON A PHASE TRANSITION OF ... really need a non-perturbative approach It is our EOS which was obtained by means of the CJT effective action formalism, a famous non-perturbative method of quantum field theory, and, as a consequence, ... physics and astrophysics It governs phase transitions in ANM However, we should bear in mind the fact that phase transitions are basically non-perturbative phenomena Therefore, in this research domain...
Ngày tải lên: 30/10/2015, 19:50
ANTIFERROMAGNETIC HEISENBERG SPIN 1 2 MODEL ON a TRIANGULAR LATTICE IN a MAGNETIC FIELD
... we have A = 0; θB = 2π/3 and θC = 4π/3 As the magnetic field is applied along the global z- axis, the spins on sublattices B and C are expected to rotate toward the z- axis by the same angle and ... ANTIFERROMAGNETIC HEISENBERG SPIN MODEL ON 149 II THE MODEL AND FORMALISM The antiferromagnetic Heisenberg model on a triangular lattice in the presence paper is described by the Hamiltonian: ... constraint, where the local constraint is replace by the thermal average: ∑⟨ ⟩ a+ (9) iα aiα = α The quation (7) is introduced into the Hamiltonian (1) through a chemical potential µ, which is equal...
Ngày tải lên: 30/10/2015, 20:47
Markov functional model on a lattice
... the Algorithms An Alternative Approach Conclusion 57 Bibliography 59 Appendix A Theorems and Results 62 Appendix B Data 65 iv Appendix C 67 Matlab Codes v Introduction The traditional approach ... a, b, ω > are constants Note that this model has the same mean reverting drift as the Vasicek’s model 1.1.1.3 The Ho-Lee Model The disadvantage of the above models is that they not automatically ... introduced Markov-Functional interest rate model in Chapter 2, explaining its advantages over the conventional models discussed in Chapter 1, including its perfect calibration to caps and floors as well...
Ngày tải lên: 10/11/2015, 12:27
On a thermomechanical model of shear instability in machining
... reasonable to assume that at very low cutting speeds, the conditions in the shear band are far from adiabatic Consequent1 , adiabatic (or near adiabatic) shear instability is unlkely at the very ... analytically the codtions for the onset of shear localization Based on an analysis of the shear localized chip formation process, three primary heat sources and reheating effects of these heat ... obtained In this investigation, temperatures at 15 locations along the shear band are calculated The mean of these values is taken as the temperature rise The mean temperature rise in the shear...
Ngày tải lên: 18/02/2016, 08:56
Some studies on a probabilistic framework for finding object-oriented information in unstructured data
... the 22nd international conference on Machine learning [10] Eric Chu, Akanksha Baid, Ting Chen, An-Hai Doan, and Jeffrey F Naughton A relational approach to incrementally extracting and querying ... solution based on its approach with different advantages, however, they also have some shortcomings Information Extraction based solution has low scalability and low adaptability while Text Information ... website usually has its structured information such as location, number of bedrooms, price and area A professor homepage usually contains information about his education, email, department and the...
Ngày tải lên: 23/11/2012, 15:04
The 25 most difficult questions you'll be asked on a job interviewThe 25 most difficult questions you'll be asked on a job interview
... For example, if the organization is known for strong management, your answer should mention that fact and show that you would like to be a part of that team If the company places a great deal of ... good manager? Can you give me some examples? WWW.RabElMagd.com WWW.RabElMagd.com Do you feel that you have top managerial potential? Keep your answer achievementand ask-oriented Rely on examples ... more at your age? Say that this is one reason that you are conducting this job search Don't be defensive 23 What you feel this position should pay? Salary is a delicate topic We suggest that you...
Ngày tải lên: 07/02/2013, 09:37
Consolidation Chareteristics based on a direct analytical solution of the Terzaghi Theory
... Inflection Sridharan, A and Prakash, K 1995 Discussion on Point Method Geotechnique, 47 (1): 199-200 ‘Limitations of Conventional Analysis of Consolidation Robinson, R.G 1999 Consolidation Analysis ... on Results 2007 Diagnostic Curve Methods for Geomechanics, ASCE, (1): 75-79 of One-dimensional Consolidation Tests, Soils and Sivaram, B and Swamee, P.K 1977 A Computational Foundations, Japan, ... The actual theoretical one-dimensional consolidation relationship between average degree of consolidation U and the time factor T obtained from the Terzaghi theory may, depending on the range...
Ngày tải lên: 21/03/2013, 14:09
LAKE EUTROPHICATION MODEL BASED ON THE IMPACT OF THE ZOOPLANKTON COMMUNITY ON PHYTOPLANKTON SUCCESSION
... El:Elution S:Sedimentation M:Mineralization U:Uptake biomanipulation is the application for the P Keszthely Basin, Lake Balaton (Hungary) ZooAlgae Bream Figures and shows the model structure plankton ... lakes Water Research 34(16), 4014-4028 Sagehashi, M., Sakoda, A. , and Suzuki, M., (2001) A mathematical model of a shallow and eutrophic lake (the Keszthely Basin, Lake Balaton) and simulation ... zooplankton on algal succession, and dominant material flow in water body estimated from the results Furthermore, an application of our eutrophication model for an eutrophic lake (Lake Balaton,...
Ngày tải lên: 05/09/2013, 08:40