the relevance of data quality

... provides hyperlinks to the coauthors and to the tables of contents pages the article appeared in From the database point of view these are simple materialized views, for the users they make it very ... to find errors or to confirm the quality of the original data Database bashing is useful for error detection, however the correction of the errors is troublesome If there are differences between ... produce detailed metadata of a substantial number For each attribute of the metadata the degree of consistency makes the difference: It is easy to produce a huge number of bibliographic records...

Ngày tải lên: 30/03/2014, 13:20

... regulatory climate, the ecology of the central city of Da Lat On the other hand, this is water under the stream Cam Ly - Da Dang River watershed and the monitoring of national water quality monitoring ... information on the state surface water quality Results mapping: Map showing the distribution status of tourism in Da Lat The map of environment air quality tourist areas city of Da Lat A map of the surface ... Assessing the current state of environmental quality of surface water in the resort city of Dalat in general are now seriously polluted If in the future there is no solution, the risk of tourist...

Ngày tải lên: 25/04/2013, 08:21

... characterise the quality of water and/or the quality of the suspended particulate matter, the bottom sediment and the biota Many water quality criteria set a maximum level for the concentration of a ... preserve the ecosystem of the Nigerian environment The decree also empowered the agency to set water quality standards to protect public health and to enhance the quality of waters In the absence of ... concentrations in tributaries of the Great Lakes consider the quality requirements of the given watercourse, as well as of the lake system Similarly, requirements for the protection of the marine environment,...

Ngày tải lên: 26/02/2014, 20:20

... without the prior permission in writing of the publishers, or in the case of reprographic reproduction only in accordance with the terms of the licences issued by the Copyright Licensing Agency in the ... are those of the author and not necessarily represent those of the Task Force or any of its members The basic information and data for Case Study XII were gathered for the development of a Water ... Financial support for the activities undertaken by the Working Group has been provided by UNEP and by the Government of the Netherlands The Working Group brought together a group of experts who contributed...

Ngày tải lên: 06/03/2014, 23:20

... deliberately focused on the aesthetic quality of the data mapping techniques, and less on the usability of the according interaction methods However, with the recent proliferation of online data visualization ... purpose of this research was to increase the awareness of the positive role and purpose of aesthetic in the design of data visualization techniques This paper focused on the effect in which data ... Figure 2) based on their perceived, relative level of aesthetic quality The extremes of this scale were labeled ‘ugly’ and ‘beautiful’, similar to the ends of the slider bar in the individual ranking...

Ngày tải lên: 07/03/2014, 17:20

... coefficient of 0.71.) At the same time, though, the results show that, on average, the quality of education exerts a positive effect on economic growth independent of these measures of the quality of ... for the majority of the time (openness below 0.3) 42 In sum, both the quality of the institutional environment and the quality of education seem important for economic development Furthermore, the ... samples with reasonable data quality 41 Bosworth and Collins (2003) cannot distinguish the effect of quality of education from the effect of quality of government institutions The analysis in Section...

Ngày tải lên: 08/03/2014, 08:20

... under the RSX operating system The body of the "construct" clause consists of three "goals" corresponding to the three slots of the DEPLOY template shown in Table These three goals are themse]ves ... which the user can easily and quickly extend This allowed the rapid development of the ATN language and control scheme, as well as the support scheme for the execution of the ERL algorithms These ... description of objects, description of events, and description of text-leve] relations The use of FORTHand the Prolog formalism allowed f a i r ly easy development of the system even without the powerful...

Ngày tải lên: 08/03/2014, 18:20

... The better the translation quality, the better the retrieval performance is Figure 5(a) shows the changes of translation quality of the degraded MT systems on desc queries Figure 5(b) shows the ... dictionary, the MT system looks up the dictionary and takes the first translation in the entry as the translation of the term without any further analysis When the term is a string of words such ... research on analyzing effect of translation quality of MT system on CLIR performance? The possible reason might be the problem on how to control the translation quality of the MT system as what has...

Ngày tải lên: 17/03/2014, 04:20

... characterise the quality of water and/or the quality of the suspended particulate matter, the bottom sediment and the biota Many water quality criteria set a maximum level for the concentration of a ... preserve the ecosystem of the Nigerian environment The decree also empowered the agency to set water quality standards to protect public health and to enhance the quality of waters In the absence of ... concentrations in tributaries of the Great Lakes consider the quality requirements of the given watercourse, as well as of the lake system Similarly, requirements for the protection of the marine environment,...

Ngày tải lên: 23/03/2014, 00:20

... preparation of raw materials, the production and assembly of final products, and the management of all used products at the end of their useful life This approach will result in the generation of smaller ... of the production process, lack of understanding of the true costs of waste management, no access to technical advice, insufficient knowledge of the implementation of new technologies, lack of ... of the implemented environmental protection measures consisted of end -of- pipe treatment technologies, with the "end" located either inside the factory or industrial zone, or at the entry of the...

Ngày tải lên: 23/03/2014, 00:20

... number of element in the sample For the purpose of this hypothesis, population mean is taken as the average of equal responses to the options, which is equal to (3) since the related data were gathered ... 80 million The effect of the above scenario is reflected in many standard of living indices of the countries, as in the GDP per capital and others in the table below: LIFE GDP PER NO OF LITERACY ... for the last hypothesis The rule of decision is that we fail to accept the null hypothesis in both cases were this Z score computed value is higher than the value on the table STATENENT OF HYPOTHESES...

Ngày tải lên: 29/03/2014, 14:20

... extension phases in the 1970s The report also assessed domestic sources of pollution along the coast of Dar es Salaam Another review of the development of the sewerage system of Dar es Salaam was ... on the impact of these wastes on the water quality The majority of the studies carried out so far looked at pollution loads per se and noticeably few have examined the impact of pollutants on the ... concentrated in the Msimbazi River and Creek and the harbour area, at the expense of other areas The same can be said of Zanzibar and Tanga In Zanzibar, the majority of water quality studies...

Ngày tải lên: 29/03/2014, 21:20

... 20% of those are accepted  The other 80% often have to spend another year to improve their examination score hoping to get in the year after  Some apply to the other 400 private universities ... service quality  The method involves the development of an understanding of the perceived service needs of target customers Free Powerpoint Templates Page 13  Student Satisfaction is based on the ... college database Free Powerpoint Templates Page 24  This study uses survey as a tool to obtain the data needed The survey consists of 22 statements which will be applied points Likert  The data...

Ngày tải lên: 18/04/2014, 16:28

... further examine the impact of different attributes of the auditor and the audit on the cost of capital of the client firm I find that the cost of capital is inversely proportional to the length of ... of the cash pay of their BigX client counterparts, but they receive only 42% of the equity pay CEOs of non-BigX clients receive 42% of their compensation in the form of cash, while the CEOs of ... mitigating the agency problem arising out of the separation of ownership and control of the firm The effectiveness of the auditor as monitor on behalf of the owners will be reflected in the risk premium...

Ngày tải lên: 01/06/2014, 14:04

... use of the summated ratings algorithm The only scaling assumption not fully satisfied was the lack of equality in the item-scale correlations of RE3 and the other RE items and of MH3 and the other ... dentures These tests were performed on the sample of 744 participants using data from the cohort baseline survey http://www.hqlo.com/content/6/1/52 Data quality The percent of missing item-level data ... of the items were missing Where fewer items were missing, they were replaced by the respondent's own mean score for the remaining items on the scale Analytic methods Data quality The number of...

Ngày tải lên: 18/06/2014, 19:20

... to 100 Therefore, if the relative importance of one cue increases, the relative importance of at least one of the other four cues must diminish One of the major challenges in interpreting the results ... pre-then: 076 post-then: 005 pre-post: 088 pre-then : 003 post-then: 106 pre-post: 069 pre-then: 006 post-then: 403 pre-post: 269 pre-then: 036 post-then:.424 pre- post:.105 pre-then: 028 post-then: ... pre-then: 033 post-then: 649 pre-post: 404 pre-then 152 post-then: 598 pre-post: 801 pre-then: 534 post-then: 808 pre-post: 223 pre-then: 073 post-then:.576 pre- post:.012 pre-then:.015 post-then:...

Ngày tải lên: 20/06/2014, 15:20

... the square of the correlation coefficient and represents the statistical significance of the model Rcv2 is the cross-validated R2, a measure of the quality of the QSAR model O is the number of ... of the involvement of lesser number of compounds and only one scaffold in the development of these models The range of activity of compounds in four models (S1, S2, S5 and S6) is narrow, so these ... depicts the details of all the 78 descriptors, its type and occurrence in the models The inter-correlation of the descriptors appeared in all the developed models were taken into account, and the...

Ngày tải lên: 21/06/2014, 02:20

... 4: The effect of pod storage on the fermentation temperatures of cocoa 5: The effect of pod storage and fermentation time on the percentage of fully brown beans in the cut test 6: The effect of ... reveals the presence of certain defects which may cause off-flavours and indicates the degree of fermentation of the beans which has a bearing on the flavour and quality of the beans The International ... contamination The standards against which all cocoa is measured are those of Ghanaian cocoa Cocoa is graded on the basis of the count of defective beans in the ‘cut test’ The cut test reveals the presence...

Ngày tải lên: 21/06/2014, 06:20

... regional level These centres have the primary task of converting data into information They are, therefore, the users of primary data from the data acquisition level as well as being the service ... to the physical and flow conditions of the water course and to the water quality conditions accepted by the authorities responsible for the quality of the water bodies Table 9.3 shows these quality ... 1994) Mathematical models are, therefore, useful tools for water quality management because they enable: • The forecasting of impacts of the development of water bodies • The linking of data on...

Ngày tải lên: 21/06/2014, 09:20

... priority to the interception of the sewage discharged to the Suzhou River, to the improvement of the water quality of the Suzhou River and to the environmental quality of the web of Suzhou River, ... Figure I.1 Location map of India showing the Ganga river The purity of the water depends on the velocity and the dilution capacity of the river A large part of the flow of the Ganga is abstracted ... Before the project, the water quality of the Shuzhou River was worse than the lowest water quality class (Class V) of the National Environmental Quality Standards of Surface Water However, with the...

Ngày tải lên: 21/06/2014, 09:20