... element of the vector usually represents a word (or a group of words) of the document collection, i.e the size of the vector is defined by the number of words (or groups of words) of the complete ... from the number of clusters is the silhouette coefficient SC(P) (cf [KR90]) The main idea of the coefficient is to find out the location of a document in the space with respect to the cluster of the ... the document This may be described by the conditional distribution p(t1 , , tni |L(di )) of the ni words given the class Then the Bayesian formula yields the probability of a class given the...
Ngày tải lên: 31/08/2012, 16:46
... University of Industry” is submitted in partial fulfillment of the requirements for the degree of Master of Arts is the result of my own work, except where otherwise acknowledge and that this minor thesis ... improve the situation of teaching and learning speaking English to the year non-major English students would be made The thesis consists of three main parts: the introduction, the development, and the ... the conclusion The introduction - gives rationale for the study and sets up the aims, scopes and methods of the study The develoment - which is considered as the main part of the study, includes...
Ngày tải lên: 07/11/2012, 14:50
An investigation into the style of the english language used in advertising slogans issued by some world - famous airlines
... can come from the sounds of the slogans when customers read them aloud If the combination of the words can make rhythms as they rhyme with one another or they contain the phenomenon of alliteration, ... procedures The descriptive approach helps to investigate into the frequency of the occurrence of some linguistic phenomena among the slogans of some world-famous airlines The purpose of this type of ... Airlines Use of comparison Admen have to abide by the code of commercial practice and stick to the rules of advertising They should not advertise their product at the expense of others So they resort...
Ngày tải lên: 07/11/2012, 14:54
An Overview into the Semantic of Questions in English and Vietnamese
... pass me the salt, please? As we can see from the examples above, interrogative operators are placed at the beginning of the questions, accompanied by a rising intonation at the end of the questions ... confirmation, we can reverse the position of the tag to the beginning of the question (Thiêm, 2004) The tags can be put at the beginning or function as a new sentence to indicate the speaker’s emphasis ... nhỉ, hả, nhé, ư, chứ, sao, nha, vậy, … (Thiêm, 2004) We often find them at the end of the questions These modal particles functions as the intonation for ending a question E.g.: Bây bắt đầu nhé?...
Ngày tải lên: 22/01/2013, 09:28
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
... 3: The experimental groups opinion about the effects of brainstorming Chart 4: The experimental group view on the use of brainstorming Table 8: The reasons of approval of the application of brainstorming ... fluency The use of authentic text, the purpose of linguistic communication and the learners inherent motivation to learn, teaching writing was affected by the teaching of other skills in the 1980s The ... 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...
Ngày tải lên: 18/12/2013, 10:08
An investigation into the participation of high school students in speaking lessons = khảo sát về sự tham gia của học sinh trong giờ học nói tiếng anh tại trường THPT
... to sit at the fronts rows themselves were more confident than the others sitting at the back and at the corners of the classroom The more chances the students at the front rows and the strong ... question 5, the teachers said that they not pay a lot of attention to the position of the students They usually call the students who sit near them (usually the ones sit at the front rows or the ones ... Rationale of the Study Aims of the Study Scope of the Study Methods of the Study Design of the Study PART II: CONTENTS CHAPTER 1: THEORETICAL...
Ngày tải lên: 18/12/2013, 10:08
An investigation into the use of communicative activities in teaching english speaking to 10th graders at upper secondary schools in nghe an luận văn thạc sĩ giáo dục học
... contribute their ideas • They focus on the message and the students concentrate on “what” they are saying rather than “how” they are saying it • The students work independently of the teacher • The ... the content of what they are saying rather than on a particular language form They should use variety of language and the teacher will not intervene to stop the activities; and the material the ... because they feel less “exposed” if they are speaking their mother tongue These problems face the teachers and students in mastering the art of speaking Basing on this view, the research is therefore...
Ngày tải lên: 18/12/2013, 10:08
Tài liệu CUSTOMER THINK GUIDE TO REAL CRM PUTTING CUSTOMERS AT THE HEART OF YOUR BUSINESS PROFITABLY. ppt
... twist on the creation of value functional value for money, they “bundle” together a number of products and services and offer them to the customer at a price that is lower than the sum of their ... value strategies are focused on the reduction of costs though the closing of physical facilities, the laying off of employees, and the wholesale embracing of technology The goal is to operate more ... not, there is a pot of gold on the other side: • Competitive advantage Those who make it to the other side first find their competition’s customers waiting to greet them Does wonders for the aches...
Ngày tải lên: 23/01/2014, 23:20
Tài liệu A FORAY INTO THE WORLDS OF ANIMALS AND HUMANS doc
... resources needed by the group, they spit the water, pollen, or nectar they've collected into the faces of the other bees waiting at the entrance of the hive What they spit to their fellows is essentially ... fish He intuits the plight of the fly, its vision unable to resolve the strangling strands of the spider's web, or the jackdaw fooled by a cat carrying a rag Even the world of the blind, deaf ... through the sense of smell The odor of butyric acid, which is given off by the skin glands of all mammals, gives the tick the signal to leave its watch post and leap off If it then falls onto something...
Ngày tải lên: 12/02/2014, 16:20
Tài liệu Báo cáo khoa học: Glycomics-based analysis of chicken red blood cells provides insight into the selectivity of the viral agglutination assay docx
... cRBCs Defining the glycans present on the surface of cRBCs will allow either for the design of strategies to optimize the agglutination assay or the design of alternative strategies for the detection ... analysis through the use of soft ionization conditions [16], which have been optimized for the detection of acidic, sialylated structures To validate the accuracy of the method, analysis of fetuin N-glycans ... detect the presence of several important signatures, including the H-1 anomeric protons, the H-2 protons of mannose (Man) (d 4.05–4.25 p.p.m.), and the methyl protons of the N-acetyl groups In the...
Ngày tải lên: 14/02/2014, 19:20
Tài liệu WHAT IS PROPERTY? AN INQUIRY INTO THE PRINCIPLE OF RIGHT AND OF GOVERNMENT pptx
... deposited with the first in the office of the Secretary of the Assembly, the guardian and guarantee, according to the constitution of 1852, of the principles of '89 On the 2d of June, the two processes ... him on the 6th of June, 1849, in the Rue du Faubourg-Poissonniere Taken to the office of the prefect of police, then to Sainte-Pelagie, he was in the Conciergerie on the day of the 13th of June, ... Man and the Animals % Of the First and Second Degrees of Sociability % Of the Third Degree of Sociability PART I % Of the Causes of our Mistakes The Origin of Property % Characteristics of Communism...
Ngày tải lên: 15/02/2014, 09:20
Tài liệu Báo cáo khoa học: X-ray crystallographic and NMR studies of pantothenate synthetase provide insights into the mechanism of homotropic inhibition by pantoate docx
... well as of the alleviation of this inhibition by another substrate of the enzyme, ATP, are presented [8,9] Results Solution properties of the N-terminal domain of PS, the C-terminal domain of PS, ... regions of the Ramachandran map [32,33] Comparison of the monomer of the substrate-free form of E coli PS [13] with the monomers of nPS in the pantoate-bound form at full occupancy indicates that the ... back to the position of the Fig Superimposition of the A-chain of nPS (green), the B-chain of nPS (cyan), and the substrate-free protein (1IHO.pdb; magenta) The carbon and oxygen atoms of pantoate...
Ngày tải lên: 16/02/2014, 09:20
Tài liệu A Journey into the Center of the Earth doc
... penetrated into the fissures of the crust of the earth, they broke out into fresh combustion with explosions and eruptions Such was the cause of the numerous volcanoes at the origin of the earth." ... "All the theories of science demonstrate such a feat to be impracticable." "The theories say that, they?" replied the Professor in the tone of a meek disciple "Oh! unpleasant theories! How the theories ... harbour where the two-deckers and the frigate slept peaceably by the red roofing of the warehouse, by the green banks of the strait, through the deep shades of the trees amongst which the fort is...
Ngày tải lên: 17/02/2014, 04:20
Tài liệu Báo cáo khoa học: Pathways and products for the metabolism of vitamin D3 by cytochrome P450scc docx
... [1,14] The lack of hydroxylation of vitamin D3 at position 22 now provides a clear explanation for the inability of P450scc to cleave the side chain of vitamin D3 Hydroxylation of the side chain of ... hydroxylated Minor products and ⁄ or intermediates were identified by purifying them and determining the substrates from which they arose by the action of P450scc, as well as the products that they gave ... Consistent 2590 To further identify the minor products of vitamin D3 metabolism by P450scc, each was tested as a substrate and the products were identified by comparison of their HPLC retention...
Ngày tải lên: 18/02/2014, 17:20
Tài liệu Báo cáo khoa học: Insights into the structure of plant a-type phospholipase D Susanne Stumpe, Stephan Konig and Renate Ulbrich-Hofmann ¨ ppt
... of the PpNp The financial support of the Kultusministerium des Landes Sachsen-Anhalt and the Graduiertenkolleg 1026 of the Deutsche Forschungsgemeinschaft, Bonn (Germany), and the support of the ... occupy 16% of the molecular volume, and therefore seems too large to represent the lid-like structure at the top of the left view in Fig We speculate that the loosely structured region on the opposite ... changes of the enzyme These results unambiguously show that activation of PLDa2 by calcium ions is due to the binding of calcium ions to the enzyme, and not (or not only) to better structuring of the...
Ngày tải lên: 19/02/2014, 02:20
Tài liệu Báo cáo khóa học: Further insights into the assembly of the yeast cytochrome bc1 complex based on analysis of single and double deletion mutants lacking supernumerary subunits and cytochrome b pdf
... the left side of the blots The Western blots are shown in panels A and B and the relative amounts of each of the subunits determined by densitometry scanning of the stained Western blots of the ... protein to insert into and be stable in the inner mitochondrial membrane or lack of detection of the truncated protein by the antibodies In the W303–1B q° strain the amounts of the other two catalytic ... the absence of subunit also resulted in an increase in the ratio of intermediate to mature cytochrome c1 and a disappearance of the intermediate form of the Rieske protein At the same time, the...
Ngày tải lên: 19/02/2014, 12:20
Tài liệu Báo cáo khoa học: Insights into the interaction of human arginase II with substrate and manganese ions by site-directed mutagenesis and kinetic studies Alteration of substrate specificity by replacement of Asn149 with Asp docx
... as a consequence of the mutagenic replacements Effects of the His120Asn and His145Asn mutations on the affinity of metal binding to arginase II To further examine the effects of the His120fiAsn and ... inactive in the absence of added Mn2+ At the optimum pH, the Km for agmatine (2.5 ± 0.2 mm) was very close to the Km of the wild-type arginase for arginine However, the hydrolytic activity of Asn149Asp ... for the differences between the active sites of this enzyme and arginase I In spite of the relatively low agmatinase activity of the Asn149Asp variant, it is clear that the interactions of arginase...
Ngày tải lên: 20/02/2014, 02:21
Tài liệu Painting with print: Incorporating concepts of typographic and layout design into the text of legal writing documents docx
... the bottom of letters Look carefully at the bottoms of the letters in this and the next sentence You will most easily see these lines on the bottoms of the letters “m” and “n” as well as on the ... The 50% rule: Balance the white space Effective use of white space — the margins and the amount of text on the page — also affects legibility At the time of the Tinker and Paterson studies, the ... while searching for the beginning of the new line Moreover, if the paragraph already has a hard return between the end of the last paragraph and the beginning of the next, there is no need to...
Ngày tải lên: 21/02/2014, 05:20