... up, the organization module classifies term descriptions based on domains, for which we use domain and description models In Section 3, we elaborate on our organization model and are inherently ... retrieval of Web pages contain- ing the term, b) extraction of page fragments describing the term, and c) organizing extracted descriptions based on domains (and consequently word senses) In addition, ... description of a given term, and compare that description with four candidates Then they would choose the candidate that is most similar to the description For the second type of question, human...
Ngày tải lên: 20/02/2014, 18:20
... that HRI–VI are indeed TM regions [18–24] A majority of models agree on the localization of the N-terminus and the loops between HRI and HRVI [18,21–24] Only one model suggests that the N-terminus ... opposite localization of the loops between HRI and HRVI compared to the other models Accumulations of contradictory results are found in the C-terminal part, and consequently several models have been ... true TM regions, and also the location of the N- and C-termini It is impossible to produce a membrane topology model that concurs with all previously published models Most studies conducted are...
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
... Third Conference on Applied NLP, pp 104-110, 1992 [Simmons91] Simmons R F and Yu Y.-H., The Acquisition and Application of Context Sensitive Grammar for English, Proc of the 29th annual meeting of ... Perceptual Origin of Thematic 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 ... McClelland86 showed a connectionist model for thematic role assignment By manually encoding training ass!gnments and semantic microfeatures for a limited number of verbs and nouns, the connectionist...
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
... position of candidate in snippets of search results, shown as follows Sum (Rank ) (2) A − Rank = and child nodes store information about index and frequency of semi infinite strings With common ... number of Web snippets that contains the candidate dft means the number of snippets that contains both OOV to be translated and the candidate (2) Term length: Len( ) is the length of the candidate ... 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...
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
... the sub-sets of R n and are non-empty, compact and convex; (2) ui are continuous in Pi; (3) ui are quasi-concave in Pi where N is the set of players, Pi and ui are the action profile and the utility ... 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 can get the first-order and second-order ... http://jwcn.eurasipjournals.com/content/2011/1/169 Page of 10 Figure Demonstration of the progressive optimization on relay selection, subcarrier and power allocation Phase is the joint relay selection and subcarrier...
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
... section, a method of adaptive parameter identification of Morlet wavelet based on correlation filtering is presented Using correlation filtering, the parameters of Morlet wavelet 2.1 Morlet Wavelet and ... CMWCF application in gearbox vibration: (a) the gearbox vibration signal, (b) the spectrum of the gearbox vibration, (c) the correlation value of CF, (d) the correlation value of CMWCF, and (e) the ... CMWCF application in gearbox vibration: (a) the gearbox vibration signal, (b) the spectrum of the gearbox vibration, (c) the correlation value of CF, (d) the correlation value of CMWCF, and (e) the...
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
... sampling and thus frames displayed on the screen correspond to seconds of the video 3rd stage: confirmation of the annotations and construction of a short summary In the third stage, once all ... 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 ... succession and the magnitude of camera motions We will combine the Final (succession of motions) Keyframes Translation Static Figure 4: Illustration of keyframe selection The first iteration corresponds...
Ngày tải lên: 22/06/2014, 19:20
Báo cáo hóa học: "Frequency and 2D Angle Estimation Based on a Sparse Uniform Array of Electromagnetic Vector Sensors" pptx
... are known, the RMS standard deviation of angle estimates is 100 RMS standard deviation of angle estimates (rad) RMS standard deviation of angle estimates (rad) F Ji and S Kwong 10−1 10−2 10−3 10−4 ... [10] K T Wong, “Direction finding/polarization estimation— dipole and/ or loop triads,” IEEE Transactions on Aerospace and Electronic Systems, vol 37, no 2, pp 679–684, 2001 [11] K T Wong and M D ... Transactions on Signal Processing, vol 52, no 11, pp 3096– 3103, 2004 [16] K T Wong and M D Zoltowski, “Self-Initiating MUSICbased direction finding and polarization estimation in spatiopolarizational...
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
... of the first iteration is substantially inferior to that of the conventional ST-DD initialization In this case, the observation window for the conventional detector is only symbol intervals, and ... 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 ... Section 4, while conclusions of this investigation are made in Section 2.1 DIFFERENTIAL ST π/2-SHIFTED BPSK AND EQUIVALENT RECEIVE DIVERSITY System model We consider a wireless communications...
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
... performed simulations on cubic models of increasing dimension with PML absorbing boundary conditions along the sides of the model The medium is homogeneous and the source is on the middle of the grid ... interpolation function is built by tensor product construction of 1D windowed Sinc functions If the source positions matches the position of one grid node, the Sinc function reduces to a Dirac function ... 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...
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
... for a full validation of the accuracy of the reconstruction model In fact, few results on large scale testing of reconstruction models, especially concerning the modelling of individual knots, ... 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 ... as mean of deviations (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...
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
... 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, ... compared to convenheight curves in terms of their precision to predict dominant height of white spruce stands Conventional height curves were developed by fitting a conditioned logistic model (eq ... types of height curves (table V) The precision of the conventional curves was slightly higher than that of site-specific curves in terms of the mean and relative error of height prediction This...
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 ... concentration, and accuracy and precision on different days based on the analysis on different days of five standard samples at each of the three levels of tested concentration The lowest limit of quantification ... assessment of the effectiveness of photoprotection products should be based on their ability to Page of inhibit the isomerisation reaction of urocanic acid and prevent accumulation of the protein...
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
... disorder in a 12-month period based on their individual characteristics and use of services Variables used in the cluster analysis are based on Andersen’s behavioural model [9], which considers that ... and needsrelated factors Methods Design and study population The study focuses on an epidemiologic catchment area in the south-western section of Montreal, Canada This area has a population of ... variables Page of 11 were selected for cluster analysis, based on their impact on service use and the potential to characterise user profiles The clustering of participants, based on individuals...
Ngày tải lên: 11/08/2014, 15:22
Báo cáo y học: "Characterization and modeling of the Haemophilus influenzae core and supragenomes based on the complete genomic sequences of Rd and 12 clinical nontypeable strain" potx
... the distribution of the genes among the seven classes Figure compares model predictions based on strains to actual observations of core genes (shared among the first N strains) and total genes ... model predicted an average of 1,776 genes per strain with a standard deviation of 14 genes Of the 13 strains, the average number of genes was 1,793 with a standard deviation of 62 genes The model ... trained on or of genes The distribution13 strains among gene classes in the supragenome model The distribution of genes among gene classes in the supragenome model trained on or 13 strains The only...
Ngày tải lên: 14/08/2014, 07:21
on the design and analysis of quantization-based digital watermarking systems
Ngày tải lên: 14/11/2014, 06:22
A research on the advantages and disadvantages of the application of task-based approach in teaching speaking to the fisrt-year non -English major students at H
... iv TABLE OF CONTENTS Page Declaration i Acknowledgements ii Abstract .iii Table of Contents iv List of Abbreviations ... .vii List of tables viii List of figures viii PART ONE: INTRODUCTION .1 Rationale for the study Aims of the study Scope of the ... 1.3.2.1 Learners’ motivation 10 1.3.2.2 Learners’ attitudes and beliefs 10 1.3.2.3 Learners’ anxiety and confidence .10 1.3.3 Learning environment and Text books 11...
Ngày tải lên: 28/03/2015, 08:56
A research on the advantages and disadvantages of the application of task-based approach in teaching speaking to the fisrt-year non-English major students at Ha
... Brown and Yule‟s (1983:127), speaking skill consists of short, fragmentary utterance, in a range of pronunciation There is often a great deal of repetition and overlap between one speaker and another ... involve in and concentrate on the lessons To respond Question about their opinion of students‟ attitude with the speaking lesson applied a task -based approach, all of them agreed that most of students ... results of the questionnaires, class observation and interviews with teachers and students of their opinion of the importance of speaking skill, their attitudes to the application of a task-based...
Ngày tải lên: 28/03/2015, 08:56
Bilingual sentence alignment based on sentence length and word translation
... approaches based respectively on a comparison of sentence length, lexical correspondence and a combination of these first two methods There are also some other techniques such as methods based on BLEU ... machine, and hidden Markov model classifiers 2.2.2 Length -based Methods Length -based approaches are based on modeling the relationship between the lengths of sentences that are mutual translations ... 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...
Ngày tải lên: 15/07/2015, 12:49
Foot behavior during walking based on foot kinetics and kinematics
... Example of comparison between two subsequent strides of condition 48 XIII Figure 4.14: Example of comparison between two subsequent strides of condition 49 Figure 4.15: Example of comparison between ... on variation of values of these foot motion features during different walking conditions Thus extraction and investigation of foot motion features are required If the obtained motion feature ... 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...
Ngày tải lên: 09/09/2015, 10:07