the effect of noise in communication system

... from the same corpus, they will prob- ably contain the same kind of errors in the same kind of situations. This may cause the training procedure to learn the errors -especially if they are systematic- ... estimate the parameter values of the evaluated tagger in order to constrain as much as possible the intervals; the statistical significance of the interval overlappings; a more informed (and ... Role of Bias in Machine Learning. In Proceed- ings of EMNLP'96 conference. Samuelsson, C. and Voutilainen, A. 1997. Compar- ing a Linguistic and a Stochastic Tagger. In Pro- ceedings of...

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Ngày tải lên: 26/11/2013, 20:44

... one of the TCP entities wants to indicate the end of the session to the other TCP entity. The FIN bit is set to the value one or turned- on. The window size, sometimes just called the window, ... measure the ability of the other to accept its messages. Initial window sizes commonly used are 8k and 16k bytes. The checksum field is the field in which the sender indicates the result of its 1s-inversion ... comparison of the error performance of the tested channels using the techniques discussed in this paper. In Network Troubleshooting Using TrueNet Test Methodologies, a discussion of the TrueNet testing methdolodies...

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Ngày tải lên: 04/10/2014, 13:22

... than in the inheritance case in that no sharing map is involved; an attempt to vm_write one mapping of the memory object would merely replace that mapping, rather than reflecting it in other ... only in the organization of distributed and parallel applications, but in the implementation of the operating system kernel itself. Mach uses memory-mapping techniques to make the passing of large ... validation - Finally, the kernel informs the hardware physical map module of the new virtual to physical mapping. With the exception of the hardware validation, all of these steps are implemented in a...

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... for certain functional systems of innova- tion. This was the key concept in the new innovation policy promoted by the OECD in the beginning of the 1990s. About ten years later system of innova- tion ... positions. Therefore, the expansion of the system initially took the form of the building of new types of scholls like polytechnic schools and professional schools. Royal Institute of Technology, Karolinska ... programmes at the 49 The growth in the number of students in the 1990s has, however, been highest in the Faculty of Arts and the Faculty of Health Sciences. The number of stu- dents in the social...

Ngày tải lên: 16/01/2014, 16:33

... Arg-HCl in the absence of the chaperone precluded analysis of the effect of this concentration on the protective ability of aB-crystallin. Reduction-induced aggregation of the insulin B-chain Light ... state). In con- trast, arginine has been shown to suppress aggregation of some proteins by acting on the unfolded state of the protein and increasing the reversibility of unfolding [37]. Arginine ... signifi- cantly increased the chaperone activity of aB-crystallin (84 ± 4%) against this target protein. The effect of Arg-HCl on the structure and assembly of aB-crystallin We investigated whether the effects...

Ngày tải lên: 18/02/2014, 16:20

... prominent being the absence of the 695-nm band, indicative of Met-S d - iron coordination. Upon titrating increasing amounts of guanidinium hydrochloride (GdmHCl) the protein unfolds resulting in the ... that the side-chain orientation of K97 in the two structures is different. In the wt structure the side chain slithers along the side of the protein surface, whereas in the M100K structure it points ... position in conformer B so as to maintain its H-bonding interactions (Fig. 4D). Effect of the M100K mutation on the stability of the native state The effect on protein stability upon introduction of...

Ngày tải lên: 07/03/2014, 17:20

... complementary in- depth reviews in the field of sentence-level grammar: the effect of teaching syntax on accuracy and quality in written composition (in 2003-4); the effect of teaching sentence-combining ... additional stage of screening was adopted. The difficulties of screening papers for inclusion in this review were due to problems with ascertaining the level of grammar teaching operating in the studies ... clear distinction in the Harris study between the two types of grammar being taught: on the one hand, formal teaching of grammar (or indeed, teaching of formal grammar); and on the other, what...

Ngày tải lên: 10/03/2014, 05:20

... Moreover, the behavior of Vietnamese people to USD make them sucked more VND into the banking system, it help to reduce the currency supply in the market, contribute to curbing the rise of inflation. ... level of each country varies depending on the level of economic development, educational level and the psychology of people, the level of development of the banking system, monetary policy and the ... sheet date in the end of the fiscal year. The difference arises rate to ensure the integrity of financial statements, namely that the balance sheet of the enterprise at a time. According to VAS10,...

Ngày tải lên: 13/03/2014, 14:20

... at Trt.4 (drop by 36%) following the rate of added Cu increasing to 200 ppm. The effects of added Cu on biomass are the same way of the effects on the height of ... contents of Cu in plant increase upon the rates of Cu application, especially at the high rate of Cu above 100 ppm. It can be said that the increase of rate of Cu uptake and accumulation in plants ... faster than the decrease of rate of plant growth. For example, the contents of Cu in plant increase by 208% when the rate of Cu application increases to 200 ppm. Meanwhile, the rate of biomass...

Ngày tải lên: 14/03/2014, 15:20

... VNUJournal of Science,EarthSciences24(2008)104‐111 104 Researchon the effect of urbanexpansiononagricultural land in HoChiMinhCitybyusingremotesensingmethod TranThiVan*  InstituteforEnvironmentandResources,VNU‐HCMC Received11April2008;received in revisedform13July2008 Abstract.HoChiMinhCityisaone of the biggestcities of Vietnam.Before1945,therewereabout 400,000inhabitantsliving in the city.During the lasttwodecades,itbecame the biggestindustrial andcommercialcenter of the country.Accordingto the statistics in 2005,itspopulationwasabout 6.2millionpeople. ... under sustainabledevelopment In the future,itisrequiredahugeamount of  investment to improve the productivity and effectiveness of agriculture in the situation of less remained ... biggestindustrial andcommercialcenter of the country.Accordingto the statistics in 2005,itspopulationwasabout 6.2millionpeople. In the suburbanareas of the city, particularly in the northern part,...

Ngày tải lên: 14/03/2014, 15:20

... respectively. Furthermore, there was a 55.7% (P = 0.001) increase in the proportion of respondents using the correct dose of arthemisinin-based combination therapy in the home management of malaria and ... group. Pre-intervention activities These included the followin g: (1) obtaining official infor- mation to proceed with the project from the LGA au- thorities; (2) consent of the mothers of under-5 ... the remaining three were in the southern axis of the local government. Each of the polit- ical wards served as a cluster. The first step was to choose whether the northern part or the southern...

Ngày tải lên: 14/03/2014, 21:20

... booklets, they asked all patients about their willingness to take pain medicines in general and then about their willingness to take the medicine described in the information leaflet that they read. They ... mean- ingless. Readers may then use the picture to guess the intended meaning, often incorrectly, and think that they understand the message, thereby interfering with their comprehension. They ... a video tape of animated cartoons explaining the need for a polio vaccine. The information contained in the videotape was the same as in the leaflet. Both versions were available in English and...

Ngày tải lên: 14/03/2014, 21:20