collaborative filtering and the generalized vector space model
Báo cáo khoa học: "A Generalized Vector Space Model for Text Retrieval Based on Semantic Relatedness" pot
Ngày tải lên :
08/03/2014, 21:20
... index the documents in the collection, with i = 1, , n The VSM assumes that for each term ti there exists a vector ti in the vector space that represents it It then considers the set of all term vectors ... to be the generating set of the vector space, thus the space basis If each dk ,(for k = 1, , p) denotes a document of the collection, then there exists a linear combination of the term vectors ... represents each dk in the vector space Similarly, any query q can be modelled as a vector q that is a linear combination of the term vectors In the standard VSM, the term vectors are considered...
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Báo cáo khoa học: "a Chat-oriented Dialogue System based on the Vector Space Model" ppt
Ngày tải lên :
07/03/2014, 18:20
... from the scripts: speakers, utterances and context The speaker and utterance elements contain information about the characters who speak and what they said at each dialogue turn On the other hand, ... combining the two scores The dialogue management module randomly selects one of the top ranked utterances and prompts back to the user the corresponding reply (from the dialogue database) to the wining ... gains back the control of the dialogue and initializes the current history vector Two types of vector initializations are possible here If the user is already know by IRIS, it will load the last...
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Tài liệu Báo cáo khoa học: "Sentiment Vector Space Model for Lyric-based Song Sentiment Classification" pdf
Ngày tải lên :
20/02/2014, 09:20
... s-VSM model 134 (2) The sentiment words are appropriately disambiguated with the neighboring negations and modifiers (3) Negations and modifiers are included in the sVSM model to reflect the functions ... Thirdly, s-VSM model is more reliable and more accurate than the VSM model We are thus encouraged to carry out more research to further refine the s-VSM model in sentiment classification In the future, ... succeeding words in our case Then, the s-VSM model is presented as follows VS = ( f1 (U ), f (U ), , f T (U )) in which VS represents the sentiment vector for the given song lyric and fi(U) sentiment...
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Tài liệu Báo cáo khoa học: "Lexical transfer using a vector-space model" doc
Ngày tải lên :
20/02/2014, 18:20
... representing the sentence as a sentence vector, i.e., a vector that lists all of the words in the sentence The sentence vector of the first sentence of Table is as follows:
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doctor who and the ark in space
Ngày tải lên :
30/05/2014, 22:52
... in the confined space Harry watched blankly as the Doctor adjusted the sonic screwdriver and directed it at the joint between the console support-strut and the floor The beam of ultrahigh and ... muttered the Doctor, watching intently as the woman eagerly took out the spray gun, and carefully fitted one of the small spherical objects into the base of the handle She then pressed the star-shaped ... fighting for breath The voices of the Doctor and Harry in the other chamber gradually receded into the distance ' and judging by that modified version of the Bennet Oscillator,' the Doctor was saying,...
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Báo cáo hóa học: " Research Article Commutators of Littlewood-Paley Operators on the Generalized Morrey Space" doc
Ngày tải lên :
21/06/2014, 07:20
... studied the commutator formed by Riesz potential and BMO and gave another characterization of BMO space The purpose of this paper is to give a characterization of BMO space by the boundedness of the ... μS , and μ∗, on the generalized Morrey space λ Lp,ϕ Rn and bB Definition 1.1 Let < p < ∞ Suppose that ϕ : 0, ∞ → 0, ∞ be such that ϕ t is nonincreasing and t1/p ϕ t is nondecreasing The generalized ... for the known results of the generalized Morrey space Lp,ϕ for some suitable ϕ Noting that ϕ t ≡ t−1/p , we get the Lebesque space Lp Rn For ϕ t t λ/n−1 /p < λ < n , Lp,ϕ Rn coincides with the...
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Báo cáo hóa học: " Research Article Spatial-Temporal Correlation Properties of the 3GPP Spatial Channel Model and the Kronecker MIMO Channel Model" pdf
Ngày tải lên :
22/06/2014, 22:20
... the line-of-sight (LOS) AoD direction between the BS and MS with respect to the broadside of the BS array, θMS is the angle between the BS-MS LOS and the MS broadside, δn,AoD and δn,AoA are the ... for the SCM On the other hand, the comparison of (10) and (13) as well as the comparison of (11) and (14) tells us that both models tend to have the equivalent spatial CCFs under all of the following ... the AoD and AoA for the nth path with respect to the LOS AoD and the LOS AoA, respectively, Δn,m,AoD and Δn,m,AoA are the offsets for the mth subpath of the nth path with respect to δn,AoD and δn,AoA...
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Báo cáo sinh học: "Inference for threshold models with variance components from the generalized linear mixed model perspective" ppt
Ngày tải lên :
09/08/2014, 18:21
... = mixed -model values [3 and Z are the design matrices for the fixed and random effects W is a diagonal matrix with weights w along the diagonal and l denotes the o vector of values of the adjusted ... L of the standard logistic distribution, ie F(e) L(e) 1/(1 + exp(-e)), g is the logit link and a= !r2/3 When F is the cdf 4) of the standard normal distribution,g will be the probit link and Z ... included, neither in the generation of the data nor in the model fitted The negative value for this configuration indicates that, although the bias seems fairly independent of the size of the fixed...
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Báo cáo y học: " A stochastic model of oncogene expression and the relevance of this model to cancer therapy" ppt
Ngày tải lên :
13/08/2014, 23:20
... can this be? The answer lies in the fact that the signature of transformation is not in the expression of the oncogene protein but in the alteration in the DNA by the oncogene In the case of Bcr-Abl, ... of the cellular phenotype; i.e the cell's growth capacity and survival, the cell's differentiation status and the cell's transformation status Each of these quantities can be defined within the ... Equation (5) is the general statement of the model, which relates the phenotypic entropy to the processes of differentiation, transformation and cellular growth and/ or apoptosis Since the entropy...
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Báo cáo y học: " Trauma and the acute care surgery model – should it embrace or replace general surgery?" pps
Ngày tải lên :
13/08/2014, 23:20
... leagues in Scandinavia as well – will the general surgeon disappear and be replaced? And if yes, by whom? Or should the focus on trauma and emergency surgery in the ACS model embrace the general ... surgeons in the USA have reexamined their role based on these concerns and the realization that surgeon resources for the injured patient are in jeopardy [20,21] The new emphasis on non-trauma emergency ... "diseases of the appendix" as belonging to the "general surgeon", reflecting the narrow point of care Consequently, the "omnipotent general surgeon" of the past who operated on all and everything...
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Báo cáo hóa học: " Research Article The Generalized Gronwall Inequality and Its Application to Periodic Solutions of Integrodifferential Impulsive Periodic System on Banach Space" potx
Ngày tải lên :
22/06/2014, 03:20
... construct the suitable Poincar´ operator P and give the e relation between T0 -periodic P C-mild solution and the fixed point of P After showing the compactness of the Poincar´ operator P and obtaining ... system here Let X be a Banach space £ X denotes the space of linear operators in X; £b X denotes the space of bounded linear operators in X £b X is the Banach space with the usual supremum norm Define ... sometimes and the conditions for Banach fixed point theorem are too strong Our method is much different from others’, and we give a new way to show the existence of periodic solutions In addition, the...
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Báo cáo toán học: "A graph-theoretic method for choosing a spanning set for a finite-dimensional vector space, with applications to the Grossman-Larson-Wright module and the Jacobian conjecture" pdf
Ngày tải lên :
07/08/2014, 21:21
... (Hess P )r = 0, then Theorems 3.9 and 3.10 together with Equation 3.2 imply that N (r, e) ⊆ ker ρP (3.3) Combining Equation 3.3 with Theorem 3.4 and the Gap Theorem, the link between the homogeneous ... [ [ ] ] Therefore Y spans T5 (3, 4) and M(3, 4)5 = In the proof of Theorems 4.3 and 4.4 we refer to the diameter of an unrooted tree and the height of a rooted tree These are standard terms ... in the reverse lexicographic ordering The crux of the proof is that there is a natural ordering of the mλ ’s and the eλ ’s in which the corresponding coefficient matrix is unitriangular Since the...
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Data Models, Datasets, and the ADO.NET Interface
Ngày tải lên :
05/10/2013, 08:48
... need SqlCommand, and for Microsoft Access, we need OledbCommand Among other tasks, the main jobs of Command are to take the SQL query from the client and pass it to the data source and make a ... SQL query The second line specifies the connection to the command, and the third line is the actual SQL query statement instructing the database to send all columns and all rows from the table ... button, and use the following steps to attach the database; the instructions are the same for both the full and express releases of SQL Server 2005: From the Connect to Server dialog box, select the...
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Human Resource Portals and the Protean Career A Three-Factor Model
Ngày tải lên :
24/10/2013, 08:20
... managers and employees are assuming greater responsibility for planning their career moves and identifying the steps required to achieve them Implications of the Three-Factor Model The three-factor model ... skills and expertise that are in high demand, they tend to define the terms of their employment For them, career success is defined in terms of knowledge acquisition and personal challenges, rather ... employers, and is self-directed In discussing the protean career, I rely on the literatures on the protean career and on the boundaryless career Although these literatures use different constructs, they...
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An investigation into the effects of brainstorming and giving a text as model on phan dinh phung high school student's attitude and writing ability
Ngày tải lên :
18/12/2013, 10:08
... text as a model Chart 8: The control groups views on the use on the use of giving a text as a model Tables 10: The reasons for the approval the application of giving a text as a model in the future ... written at all The choice here depends on the out come desired, the complexity of brainstormed area, the size of the class and the dynamics within the group In summary, the author will use the first ... presents and discusses the results and findings of the study, Chapter is Results and Discussions In this chapter, the recommendations on the application of brainstorming and giving a text as a model...
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Tài liệu Kalman Filtering and Neural Networks - Chapter 6: LEARNING NONLINEAR DYNAMICAL SYSTEMS USING THE EXPECTATION– MAXIMIZATION ALGORITHM doc
Ngày tải lên :
23/12/2013, 07:16
... outputs, and the conditional distributions over the hidden states For the model we have described, the parameters define the nonlinearities f and g, and the noise covariances Q and R (as well as the ... the observations=inputs and the parameter values The M-step involves system identification using the state estimates from the smoother Therefore, at the heart of the EM learning procedure is the ... the other hand, we had access to the hidden state trajectories as well as to the observables, then the problem would be one of model- fitting, i.e estimating the parameters of f and g and the noise...
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Tài liệu Kalman Filtering and Neural Networks - Chapter VII: THE UNSCENTED KALMAN FILTER pdf
Ngày tải lên :
23/12/2013, 07:16
... that the true posterior mean and the mean calculated by the UT agrees exactly to the third order and that errors are only introduced in the first and higherorder terms The magnitudes of these ... learning the parameters The use of the EKF for training neural networks has been developed by Singhal and Wu [8] and Puskorious and Feldkamp [9], and is covered in Chapter of this book The use of the ... position and velocity, and top and _ _ _ bottom pendulum angle and angular velocity, x ¼ ½x; x; y1 ; y1 ; y2 ; y2 The system parameters correspond to the length and mass of each pendulum, and the...
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Tài liệu Module 8: Solution Design and the Component Object Model ppt
Ngày tải lên :
17/01/2014, 09:20
... Solution Design and the Component Object Model ! Component Object Model Basics Slide Objective To explain the purpose of the section and what students will learn in the section " COM Standard " COM ... services, the COM class, and the consumer of those services (the client) The interface is the only means of communication between the provider and consumer It defines how messages and information ... Solution Design and the Component Object Model ! Application Development and COM Slide Objective To explain the purpose of the section and what students will learn in the section " COM and Windows...
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Tài liệu Creating Applications with Mozilla-Chapter 10. RDF, RDF Tools, and the Content Model-P3 docx
Ngày tải lên :
21/01/2014, 06:20
... assert the statement's elements into the datasource in this way, the datasource contains the triple The truth value parameter in the last slot indicates that the given node is "locked" and thus ... different purposes and are often used in conjunction with one another In your particular application space, you may find yourself using some subsets of these interfaces constantly and others not at ... accessed and used as easily as any other XPCOM component, and from anywhere in Mozilla To register a datasource, call the RegisterDatasource method of the RDF Service In this example, the datasource...
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Tài liệu Creating Applications with Mozilla-Chapter 10. RDF, RDF Tools, and the Content Model-P4 pptx
Ngày tải lên :
21/01/2014, 06:20
... in the datasource The RDF/XML data that was in the string is a part of the datasource and ready for use (just like any other RDF data in a datasource) The uri acts as a base reference for the ... event handling The interfaces are totally separate, but behind the scenes, they work together with the incoming data Example 10-10 shows how a series of events is created in an object and then ... containerUtils.isEmpty(datasource,anonResource); Note that the sequence object is not passed into the functions performing the test in the previous example; the resource containing the sequence is passed in Although aSequence and anonResource...
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