... , s p (15) (16) A thorough performance evaluation of linear predictions and channel predictions based on deterministic sinusoidal modeling were made by simulations and real world data in [6] ... performance of the sinusoidal modelingbased channel prediction methods depends heavily on the stationarity properties of model parameters in the observation window and the prediction horizon ... modeled by just one dominant sinusoidal component 6.1 PERFORMANCE EVALUATIONS Measures of prediction performance The performance of the predictors is evaluated by Monte Carlo simulations and measurements...
Ngày tải lên: 22/06/2014, 23:20
... Unit selection algorithms and speed-up We present a new unit selection system based on statistical modeling We used weighted automata and transducers for the representation of the components of ... corresponding to the phonetic context, and the feature cost Cf that corresponds the other components of the target cost: Ct (fi , ui ) = Cp (fi , ui ) + Cf (fi , ui ) (3) For each phonetic context ... the number of common units they produce for each utterance On the AP news article already mentioned, more than 75% of the units were common Conclusion We introduced a statistical modeling approach...
Ngày tải lên: 23/03/2014, 19:20
báo cáo khoa học: " Prediction of transcriptional regulatory elements for plant hormone responses based on microarray data" docx
... near future Evaluation of prediction The prepared RARf tables for various hormone responses enable cis-element predictions of hormoneresponsive promoters Our prediction based on the RARf tables ... experimental) conditions for preparation of RARf tables and reported promoter analyses Another possible reason is related to sensitivity of detection of transcriptional responses For example, -669 ... Position from major TSS data from ppdb 21 h-treatment 3See Table for experimental conditions 4Source of functional analysis *RARf for ABA response is 3.7 Lack of the corresponding functional data...
Ngày tải lên: 11/08/2014, 11:21
Báo cáo y học: "Correction: Statistical modeling for selecting housekeeper genes" pps
Ngày tải lên: 14/08/2014, 20:22
Financial distress prediction based on OR-CBR in the principleof k-nearest neighbors
... attention to CBRbased classification in financial distress prediction And almost all the foregoing research employed traditional feature -based similarity measure mechanism of CBR based on Euclidean ... dk(ci,c0) P 0; [)] Based on Formula(18), C(ci, ci)6 1; ðwÞ [)] Based on Formula(22), SIMi;0 1; [)] In Formula(23), dk(ci,c0) > C(ci,c0); [)] (1-dk(ci,c0))/(1-C(ci,c0)) < 1; ðwÞ [)] Based on Formula(23), ... financial distress prediction with data form Chinese listed companies, too Conclusion When CBR is employed into the area of financial distress prediction, the traditional feature -based similarity...
Ngày tải lên: 23/12/2013, 17:17
Báo cáo khoa học: "A Framework for Figurative Language Detection Based on Sense Differentiation" pptx
... algorithm deals with only one context It is based on comparing two context sets: one is related to the expression and the other is semantically related to the given context The second algorithm groups ... for the expression Given a context with a target expression, the related context set can be constructed as follows: For every expression, the typical context set consists of the first 10 articles ... and Ruqaiya Hasan 1976 Cohesion in English Longman, London Graham Katz and Eugenie Giesbrecht 2006 Automatic identification of non-compositional multiword expressions using latent semantic analysis...
Ngày tải lên: 07/03/2014, 22:20
Báo cáo khoa học: "An Alignment Method for Noisy Parallel Corpora based on Image Processing Techniques" doc
... short distance from the diagonal Non-crossing Line IP techniques Alignment Resolution Convolution Phrase Feature extraction Hough transform Sentence Discourse information (Ker and Chang 1996), cognates ... neighboring words One-to.one constraint: Each source word token connect to at most one target word token Non-crossing constraint: The connection target of a sentence does not come before that of its ... dotplot before convolution; and (b) after convolution 2.3 Convolution and local edge detection Convolution is the method of choice for enhancing and detecting the edges in an image For noise or incomplete...
Ngày tải lên: 17/03/2014, 23:20
Báo cáo khoa học: "User Requirements Analysis for Meeting Information Retrieval Based on Query Elicitation" pdf
... implications of these findings for the design of meeting retrieval systems Section concludes the paper and outlines some directions for future work Argumentative Information in Meeting Information ... evaluation presented in their paper, one can indirectly infer how salient the argumentative information is perceived by users: the icons that the authors intended for emotions, i.e., for a emotion -based ... presentations, talks; projects; tasks, responsibilities; topics” Unfortunately, the study does not provide precise information on the relative proportions of queries for the classification proposed,...
Ngày tải lên: 23/03/2014, 18:20
conditional random field for tracking user behavior based on
... mean or max) for each of the 22 features The first model is a simple one It is a SCRF model with three nodes, one for class R, one for class C and one for class I It works on segmental features where ... Conditional Random Fields (CRF) has been shown to overcome traditional Markovian models in a series of information retrieval tasks such as information extraction, named entity recognition… ... Local features Table reports experimental results for various SCRF -based models and for additional systems The first one is a benchmark HMM system It works on the same input representation (feature...
Ngày tải lên: 24/04/2014, 13:20
Báo cáo toán học: " Parameter estimation for SAR micromotion target based on sparse signal representation" pot
... new method for parameter estimation of multicomponent LFM signal based on sparse signal representation, in Proceedings of IEEE International Conference on Information and Automation, Zhangjiajie, ... variational approximation framework for Bayesian computation Numerical simulations demonstrate the proposed sparsity-inducing reconstruction method achieves higher resolution and better performance with ... application in reality In effect, unlike uniformly moving targets, RCM correction is very difficult for micromotion ones due to their sinusoidal range history [7] Matched filter is commonly used for motion...
Ngày tải lên: 20/06/2014, 20:20
báo cáo hóa học: " Cross-layer design for radio resource allocation based on priority scheduling in OFDMA wireless access network" docx
... the radio resource for each connection according to the priority of each connection and the channel condition of the MS Also, one MS may establish more than one connection for different services ... channel condition Thus, for uplink transmission, the BS allocates the radio resource via each mobile station basis, and the resource allocation for connections within the same MS is the responsibility ... illustrated and discussed in Section Finally, the conclusions are provided in the last section MAP overhead of WiMax access Each WiMax connection obtains a connection identification (CID) from the BS when...
Ngày tải lên: 21/06/2014, 02:20
Báo cáo hóa học: " Research Article Auditory Sparse Representation for Robust Speaker Recognition Based on Tensor Structure" potx
... the second term F relaxes the orthogonal constraint of traditional PCA, the third term is the sparse constraint, α > is a balancing parameter between reconstruction and orthogonality, β ≥ controls ... nonlinearity i xg (t) P(i, k) = log + γ , (16) 3.2 Sparse representation based on tensor structure In order to extract robust feature based on tensor structure, we model the cochlear power feature ... with other features It performs better than other three features in the high-noise conditions such as dB condition noise Figure describes the average accuracy in all noisy conditions The results...
Ngày tải lên: 22/06/2014, 00:20
Báo cáo hóa học: "Research Article A Novel Distributed Privacy Paradigm for Visual Sensor Networks Based on Sharing Dynamical Systems" pptx
... solution for distributed VSNs 2.1.2 Assumptions We now impose the following assumptions on the attacker 2.1 Problem formulation Suppose a collection of N sensor nodes equipped with image acquisition ... − δ Random distribution TANGRAM is based on a positive continuous distribution In our simulations, we use the lognormal distribution, since the mean and variance can be controlled independently.12 ... unit at the base station} (2) for k = to N − (3) xk+1 ⇐ fk xk , uk (4) end for Algorithm 2: Decryption at base station(s) for VSN dynamical system is moved to a new state Controls are applied successively...
Ngày tải lên: 22/06/2014, 23:20
Báo cáo y học: "An environmental signature for 323 microbial genomes based on codon adaptation indices" doc
... shown based on either amino acid composition [20,21] or by codon usage [7] - we obtained an environmental signature based on differences in codon weights between evolutionary more dominant codons ... on) For this reason, the correlation between these two The above comparison of microarray data with tCAI values demonstrates that even for organisms that are evolutionarily far from E coli (for ... selective pressure for optimization of the genome for quick replication on demand For example, the Vibrio (a Gram-negative, nonspore-former) and Bacillus (a Gram-positive spore-former) cluster close...
Ngày tải lên: 14/08/2014, 17:22
Prognostics for tool condition monitoring based on long term and short term prognostic approaches 1
Ngày tải lên: 09/09/2015, 10:14
Prognostics for tool condition monitoring based on long term and short term prognostic approaches 2
... reliability analysis and the condition monitoring information Therefore, they can reach a relative long prediction horizon AI models include Neural Network (NN) and its variants, for example, polynomial ... for prognosis in TCM However, only conventional HMM was used in his study This conventional HMM has its structural limitation, which is the exponential distribution function is not suitable for ... distribution function of the specified distribution The cutting force where t varies over the rotation period, Tj Reliability function for state i Fmed(j) Median cutting force for in the jth rotation...
Ngày tải lên: 09/09/2015, 10:14
Error analysis for incompressible viscous flow based on a sequential regularization formulation
... Poisson equation for pressure, and thus to impose an artificial boundary condition since there is no boundary condition for p in the Navier-Stokes equations As we mentioned before, reformulation ... except the nonlinear term Consider the nonlinear term u t (· − t) · u t Since u t converge to ¯ u strongly in L2 (Q), we conclude that B(u t (· − u weakly and u t converge to ¯ t), u t ) converge ... strong enough compactness result when we consider about the weak solution In the next part we will drop the nonlinear part to consider the existence of the weak solution for linearized equations...
Ngày tải lên: 12/09/2015, 10:42
Geometry dependent torque optimization for small spindle motors based on reduced basis finite element formulation
... 2.4 APPLICATION OF AFFINE TRANSFORMATION ON STATIC MESH 24 2.5 TRANSFORMATION OF WEIGHT FUNCTIONS 36 COMPUTATIONAL ASPECTS 39 3.1 FINITE ELEMENT DISCRETIZATION ... TWO-DIMENSIONAL NUMERICAL INTEGRATION 51 3.4 LINEAR SYSTEM SOLUTION BY THE NEWTON-RAPHSON METHOD 57 3.5 TORQUE COMPUTATION 62 ii 3.6 REDUCED-BASIS FORMULATION ... Newton-Raphson method is introduced as a means of solving problems with non -linear materials, with the 13 necessary modifications developed to account for the geometric transformations Lastly, for...
Ngày tải lên: 07/10/2015, 10:02
Báo cáo khoa học: "A Supervised Learning Approach to Automatic Synonym Identification based on Distributional Features" ppt
... automatic synonym identification based on supervised learning technique Firstly, we re-formalize synonym acquisition as a classification problem: one which classifies word pairs into synonym/nonsynonym ... distributional features For this purpose, we re-formalized synonym acquisition as a classification problem, and constructed the features as the total correlation of pairs and contexts Since this formalization ... Section 5.1 Distributional Features (DFEAT) DFEAT classifier does not rely on the conventional distributional similarity and instead uses the distributional features described in Section The feature...
Ngày tải lên: 23/03/2014, 17:20