... 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
... 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 ... of connection dot O (end,)~,) is denser than that of a non-connection say (end, °° i * i o" i ° * o i %.0 O 10o 200 3O0 4O0 500 600 700 English Figure Convolution (a) LTP dotplot before convolution;...
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 ... also touch on deliberative information, as long as it is present, for instance, in the meeting minutes In contrast, derived-data browsers aim to account for the argumentative information which ... 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
Báo cáo khoa học: "Evaluation of Importance of Sentences based on Connectivity to Title" doc
... Creation of Literature Abstracts IBM Journal for Research and Development, 2(2):159-165 ~ ~ { ~ K Ono, K Sumita, and S Miike 1994 Abstract Generation based on Rhetorical Structure Extraction In ... ~ References R Brandow, K Mitze, and L F Rau 1995 Automatic Condensation of Electric Publications by Sentence Selection Information Processing &' Management, 31(5):675-685 1446 100 ~,~ ' , _ ... A System for Automating Concordance Line Selection In Proceedings of NeMLaP, pages 95-100 H P Ednmndson 1969 New Methods in Automatic Extracting Journal of the ACM, 16(2):264-285 T Givon 1979...
Ngày tải lên: 23/03/2014, 19:20
conditional random field for tracking user behavior based on
... 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 segments correspond to sequences where the user visits one ... 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… ... International Conf on Machine Learning, 282–289 Morgan Kaufmann, San Francisco, CA [3] Sarawagi, S., and Cohen, W (2004) Semi-Markov Conditional Random Fields for Information Extraction Advances...
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, ... 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 ... variational approximation framework for Bayesian computation Numerical simulations demonstrate the proposed sparsity-inducing reconstruction method achieves higher resolution and better performance with...
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 Design and Experimental Evaluation of a Vehicular Network Based on NEMO and MANET" pdf
... the evaluation, the NEMO route on the 802.11b managed interface has been used for 24 seconds for the first access point, and then an additional 10 seconds for the second one As the speed of the vehicle ... nodes directly 4.3.3 Demonstration Platform As a demonstration of the policy -based MANEMO system, the performance measured in a communication between two vehicles is shown on a website (http://fylvestre.inria.fr/∼tsukada/experiments/), ... vehicle communications are summarized in Section Section outlines scenarios and objectives of our network platform Our integrated evaluation environment for vehicular networks and the Linux-based...
Ngày tải lên: 21/06/2014, 08:20
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 ... in principal component subspace for identification The noise component will be removed as the useless information in minor components subspace From Section 4.1, we know the performance of ANTCC ... environments In consideration of practical applications of robust speaker identification, different noise classes were considered to evaluate the performance of ANTCC against the other commonly...
Ngày tải lên: 22/06/2014, 00:20
Báo cáo hóa học: " Performance Evaluation of Indoor Localization Techniques Based on RF Power Measurements from Active or Passive Devices" pptx
... could be not true for the interrogator CONCLUSIONS We analyzed the performance of networks used for localization in terms of the probability of localization error Solutions based on active and passive ... collision resolution is ensured One simple and effective method based on time backoff is briefly described in Section To analyze the performances of the considered active and passive localization techniques, ... goodness of one configuration of ADs with respect to another one for localization could be appreciated looking, for example, at the minimum distance among power vectors calculated for the same...
Ngày tải lên: 22/06/2014, 23:20
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 khoa học: " Prediction of transcriptional regulatory elements for plant hormone responses based on microarray data" docx
... the 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: "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
... performance in sensor technology, tool condition monitoring systems based on suitable intelligent sensors can be developed, such as those for cutting force or torque monitoring, vibration monitoring, spindle/drive ... 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 ... 0, + q = 1, c is a constant which only depends on • Gronwall inequality in differential form: Let y(t) be a nonnegative, absolutely continuous function in [0, t] and satisfy for almost every t, ... estimations for the time discretized equations Then when the time step t approaches to 0, the limit function is the strong solution of equations (3.4) - (3.5) 4.1 A Priori Estimations for Semi-Discrete...
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 ... done “off-line” and stored for future recall Geometry transformation over a limited region removes the requirement for re-meshing in order to approximate a solution, and the desired evaluation ... these are critical steps for the numerical evaluation of the forcing function and stiffness matrix The computation is then performed in Matlab [20], an ideal platform for handling matrix problems...
Ngày tải lên: 07/10/2015, 10:02
Multi dimensional range query evaluation for distributed hash table based peer to peer systems
... Multi-dimensional Range Query evaluation .…………………… 50 4.1 Multi-dimensional Single Point Query Evaluation …………… ……50 4.2 Multi-dimensional Range Query Evaluation ……………………….51 4.3 Zone Maintenance……………… ... infrastructures, one for “rank” and one for “year” must also be constructed and then the expensive join-like operation But only one three-dimensional indexing infrastructure for “music_name”, ... Orchestra= London Symphony Orchestra Unfortunately, current query processing mechanism built on top of DHT layer select only one attribute as the hash key Such kind of one-dimensional query system...
Ngày tải lên: 26/11/2015, 13:03
Medical Smart Textiles Based on Fiber Optic Technology An Overview
... body-monitoring systems based on optical fibers and their application in the field of physiological monitoring In this review, we devoted our attention especially to smart textiles based on FOSs for ... sensor based on the OTDR technique Both these sensors show low variations after cycles at 10 breaths per minute and elongation up to 3% and 5% for the OTDR sensor and for the macrobending one, ... tested on healthy volunteers An interesting solution to develop an MR-compatible sensor wearable sensor for respiratory monitoring based on intensity modulation was presented in [66] It consists...
Ngày tải lên: 15/08/2015, 01:36