... and the other models based on average leave-one-out accuracies Models rank SVM Table 12 Comparison between OR-CBR and the other models based on leave-oneout accuracies at year t-3 Models rank Logit ... indifferent and corresponding models are in the same rank Comparison between Basic CBR and the other models based on each year’s and average leave-one-out accuracies is listed in Tables 6–9 Comparison ... Comparison inside CBR based on leave-one-out accuracies at year t-2 Models rank in Tables 10–13 Comparison inside CBR based on each year’s and average leave-one-out accuracies is listed in Best Second...
Ngày tải lên: 23/12/2013, 17:17
... computer and construction domains (fields), respectively To sum up, the organization module classifies term descriptions based on domains, for which we use domain and description models In Section 3, ... Nakamura and Makoto Nagao 1988 Extraction of semantic information from an ordinary English dictionary and its evaluation In Proceedings of the 10th International Conference on Computational Linguistics, ... user query and each document in a collection is usually quantified based on word frequencies In our case, a question and four possible answers correspond to query and document collection, respectively...
Ngày tải lên: 20/02/2014, 18:20
Báo cáo khoa học: A novel transmembrane topology of presenilin based on reconciling experimental and computational evidence pptx
... low-resolution experiments [31] The conflicting results from published studies on PS topology illustrate the limitations of low-resolution experiments In this study we have used computational prediction ... and seven, respectively Results and Discussion All of the experimentally inferred topology models agree that HRI–VI are indeed TM regions [18–24] A majority of models agree on the localization ... GE & Simon I (2001) The HMMTOP transmembrane topology prediction server Bioinformatics 17, 849–850 44 Jones DT, Taylor WR & Thornton JM (1994) A model recognition approach to the prediction of...
Ngày tải lên: 23/03/2014, 13:20
Báo cáo khoa học: "AN EMPIRICAL STUDY ON THEMATIC KNOWLEDGE ACQUISITION BASED ON SYNTACTIC CLUES AND HEURISTICS" doc
... S., and Tsujii J., Automatic Learning for Semantic Collocation, Proc of the Third Conference on Applied NLP, pp 104-110, 1992 [Simmons91] Simmons R F and Yu Y.-H., The Acquisition and Application ... constructions involving movement were tagged with trace information in the corpus, to derive the arguments, the procedure needs to consider the constructions of passivization, interjection, and ... Relation, Proc of the 25th annual meeting of the ACL, pp 172-178, 1987 [Samuelsson91] Samuelsson C and Rayner M., Quantitative Evaluation of Explanation -Based Learning as an Optimization Tool...
Ngày tải lên: 23/03/2014, 20:20
Báo cáo khoa học: "English-Chinese Bi-Directional OOV Translation based on Web Mining and Supervised Learning" pot
... comparison basis, computed as follows Translation Ranking based on Supervised Learning Ranking by Classification and Ordinal Regression Based on the extracted terms, the correct translation can ... like (1) and (5) and some ones from heuristic rules like (3) and (6) Through the establishment of feature set, the translation candidate can be optimized efficiently and the noisy information can ... whole corpus contains 19,866 person names, 22,212 location names and 7,837 organization names, from which 100 person names, 100 location names and 100 organization names are selected for testing...
Ngày tải lên: 31/03/2014, 00:20
Báo cáo hóa học: " Resource allocation based on integer programming and game theory in uplink multi-cell cooperative OFDMA systems" ppt
... of 10 Figure Demonstration of the progressive optimization on relay selection, subcarrier and power allocation Phase is the joint relay selection and subcarrier allocation based on integer programming, ... the channel coefficient d,m 0m between the base station and the mth user, i = 1,2 Solution on relay selection, subcarrier and power allocation As is known to us, subcarrier and power allocation ... obviously that the first and the second conditions are satisfied according to the expressions of Pi and ui(·) We can focus on the rest one In our game model, for the mth non-cooperative user, we...
Ngày tải lên: 20/06/2014, 22:20
Báo cáo hóa học: " Research Article Adaptive Parameter Identification Based on Morlet Wavelet and Application in Gearbox Fault Feature Detection" pptx
... EURASIP Journal on Advances in Signal Processing [15] H B Dong, X F Chen, B Li, K Y Qi, and Z J He, “Rotor crack detection based on high-precision modal parameter identification method and wavelet ... the comparison of the vibration signal and reconstructed signal Conclusions The cyclic Morlet wavelet correlation filtering (CMWCF) method proposed represents an attempt in the direction of parameter ... decomposition and the Hubert spectrum for nonlinear and non-stationary time series analysis,” Proceedings of the Royal Society A, vol 454, no 1971, pp 903–995, 1998 [8] Y Wang, Z He, and Y Zi,...
Ngày tải lên: 21/06/2014, 08:20
Báo cáo hóa học: " Research Article Video Summarization Based on Camera Motion and a Subjective Evaluation Method" potx
... integration of zoom/translation Phase 3: camera motion description Camera motion classification and description Figure 1: System architecture for camera motion classification and description frames ... to the succession of motions, second the magnitude of motions and finally by the combination of both Stage 1: combination based on heuristic rules Stage 2: static/dynamic separation Stage 3: temporal ... new method of video summary based on camera motions (translation and zoom) or on static camera We think that camera motion carries important information on video content For example, a zoom in...
Ngày tải lên: 22/06/2014, 19:20
Báo cáo hóa học: " Research Article New Approaches for Channel Prediction Based on Sinusoidal Modeling" pdf
... modelingbased channel prediction methods depends heavily on the stationarity properties of model parameters in the observation window and the prediction horizon In this section, the stationarity ... (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] According ... Netherlands, August 2003 [14] T Ekman and G Kubin, “Nonlinear prediction of mobile radio channels: measurements and MARS model designs,” in Proceedings of IEEE International Conference on Acoustics,...
Ngày tải lên: 22/06/2014, 23:20
Báo cáo hóa học: " A Receiver for Differential Space-Time π/2-Shifted BPSK Modulation Based on Scalar-MSDD and the EM Algorithm" ppt
... Journal on Wireless Communications and Networking detection (MSDD) Previous research has demonstrated that when there is only a single channel, that is, only one transmit antenna and one receive ... symbols Successive iterations of the receiver operations are then based on the expectation-maximization (EM) algorithm [17] for joint channel estimation and sequence detection Our results show that ... estimation and sequence detection, are described in Section The bit error performance of the proposed receiver is given in Section 4, while conclusions of this investigation are made in Section 2.1...
Ngày tải lên: 23/06/2014, 00:20
frequency domain numerical modelling of visco acoustic waves based on finite difference and finite element discontinuous galerkin methods
... Boundary conditions In seismic exploration, two boundary conditions are implemented for wave modelling: absorbing boundary conditions to mimic an infinite medium and free surface conditions on the ... attenuation factor by Q and a reference frequency by ωr Since the relationship between the wavefields and the source terms is linear in the firstorder and second-order wave equations, equations and ... sign), and therefore ill-conditioned Designing efficient pre-conditioner for the Helmholtz equation is currently an active field of research (Erlangga & Nabben; 2008) Efficient preconditioners based...
Ngày tải lên: 27/07/2014, 23:25
Báo cáo lâm nghiệp:"Analysis of log shape and internal knots in twenty Maritime pine (Pinus pinaster Ait.) stems based on visual scanning and computer aided reconstruction" pptx
... sawing simulation CONCLUSIONS The use of visual scanning techniques and computer-aided reconstruction was applied for Maritime pines and 3D and 2D representations were obtained for logs and trees ... was on average at 16 m of height) and with larger surface knots Concerning knots, the reconstruction was tested in relation to number of knots and location of knot origin on the stem pith on a ... (real-reconstructed, in mm) and standard deviation, determined for the logs of one stem Log position Number of knots Deviations of Z coordinate (mm) Real 1st Reconstructed Mean of deviations SD...
Ngày tải lên: 08/08/2014, 01:21
Báo cáo khoa học: "Site-specific height curves for white spruce (Picea glauca [Moench] Voss) stands based on stem analysis and site classification" potx
... growth and yield models have been developed (eg Clutter et al, 1983; Davis and Johnson, 1987) Traditionally, these models are based on ’historical bioas- says’ and, therefore, are empirical models ... site-specific height curves based site classification instead of conventional height curves based on site index Unlike the conventional modelling that expresses height as a function of age and site index, ... precise prediction compared to the conventional height curves, the average error of 0.93 m and the relative error of 6.5% able are considered operationally accept- DISCUSSION If site classification...
Ngày tải lên: 08/08/2014, 19:21
báo cáo khoa học: "The use of some nanoemulsions based on aqueous propolis and lycopene extract in the skin’s protective mechanisms against UVA radiation" pps
... calibration curve of lycopene standard Page of deviation of measured concentration in relation to the a obtained concentration, and precision, expressed as standard relative percentage deviation or ... lower limit and ± 15% at other concentrations and did not have a trend of increase or decrease along with concentration Correlation was considered linear at a value of the determination coefficient ... variation CV%, were determined at three concentration levels Both, precision and accuracy were determined on the same day, based on five measurements on five different samples at each concentration,...
Ngày tải lên: 11/08/2014, 00:22
Báo cáo y học: "Typology of adults diagnosed with mental disorders based on socio-demographics and clinical and service use characteristic" pdf
... 55-69 years 63 15.4 Less than secondary school graduation 78 19.1 Secondary school graduation, no post-secondary education Education 60 14.8 Some post-secondary education 225 55.4 Never legally married ... taken into consideration as components of integrated programs or shared-care initiatives when planning treatment In addition, as males seem to consult only when they suffer multiple mental and substance ... psychological distress and mental disorders in the Canadian population: comparison between low-income and non-low income populations Chronic Dis Can 2010, 30:84-94 51 Alonso J, Lépine JP, Committee...
Ngày tải lên: 11/08/2014, 15:22
Bilingual sentence alignment based on sentence length and word translation
... lengths The second set of methods is based on word correspondences or lexicon These methods take into account the lexical information about texts, which is based on matching content in texts ... based on lexical information from translation lexicons, and/ or through the recognition of cognates These methods take into account the lexical information about texts Most algorithms match content ... 𝑠 𝑖 and their translations 𝑡1 , … , 𝑡𝑗 , under the maximum-likelihood alignment 𝐷(𝑖, 𝑗) is computed by minimizing over six cases (substitution, deletion, insertion, contraction, expansion, and...
Ngày tải lên: 15/07/2015, 12:49
Foot behavior during walking based on foot kinetics and kinematics
... motion for normal walking condition Considering the multi-segment foot motion function, foot segment motions are measured with a multi-segment foot model and regarded as motion features Considering ... Modeling and simulation method could also enhance the visualization of the problem in discussion Many empirical and physical -based computational models, such as mathematical models [63, 64] and finite ... foot On the other hand, the 3D foot motion could provide useful foot kinematics information Since these foot motions are greatly influenced by the person’s control ability and lower body function,...
Ngày tải lên: 09/09/2015, 10:07
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
... Results and discussion 109 4.3.1 Force prediction 109 4.4 Combination of Short term and long term prognostics 118 4.5 Conclusions 121 Chapter Conclusions and Future ... monitoring, acoustic emission monitoring, and temperature monitoring Most of the existing on- line TCM systems tend to focus on the acquisition of relevant tool wear degradation information and ... distribution functions and considering the process as stochastic For probability functions, exponential distribution, Weibull distribution, Normal distribution, Gamma distribution and mixtures...
Ngày tải lên: 09/09/2015, 10:14
Fracture toughness in rate dependent solids based on viod growth and coalescence mechanism
... computed by integrating the constitutive relation along streamlines Such integration becomes the starting point for iteration towards the nonlinear solution for the elastic nonlinear viscous solids ... injection molding, extrusion and vacuum forming (Kramer and Berger, 1990) Applications range from portable computers and optical lenses to automotive components and appliance housings (Danielsson ... process zone There are two fracture models which employ an embedded fracture process zone within the continuum descriptions of adjoining solids One model specifies a traction-separation law on the...
Ngày tải lên: 11/09/2015, 16:04