comparison of network and distributed operating systems

... of Zambia, Lusaka, Zambia 4College of Medicine, University of Malawi, Blantyre, Malawi Department of Global Health Development, Faculty of Public Health and Policy, London School of Hygiene and ... third of all funding for ART roll-out [22] Several reports and other studies have pointed to a large and longstanding degree of rural-urban inequity in Zambia Only 52% of all health workers and ... government and non-government (for-profit and nonprofit) providers, and where there are tertiary specialist hospitals that attract patients from afar Both of these features are characteristic of urban

Ngày tải lên: 18/06/2014, 17:20

... Epidemiology and Evaluation, Faculty of Pharmaceutical Sciences, University of British Columbia, Canada, 2 MHA Program, Department of Health Care and Epidemiology, Faculty of Medicine, University of ... Eval- uation of index and profile measures of health status in a ran- domized controlled trial: comparison of the Medical Outcomes Study 36-Item Short Form Health Survey, Euro- Qol, and disease ... part of EQ-5D questionnaire, and 307 and 306 global utility scores could be generated using HUI scoring func- tions for the HUI2 and HUI3, respectively. Of these, 303 respondents had both VAS and

Ngày tải lên: 20/06/2014, 15:20

... and quantization 3.1.1. Motivation The number of bits (NOB) of the ADC must be kept as low as possible for obvious reasons of cost and power consump- tion. On the other hand, a large number of ... value of the PN PSD at low frequency offsets. In our simulations (see Section 6.3), we assume a phase noise bandwidth of 1 MHz and a noise floor of −130 dBc/Hz. Typical values of the level of PN ... }, the product of R cp and each of H ρc I [1] and H ρc Q [1] matri- ces is null. Moreover, the left and right cyclic prefix inser- tion and removal operations around H ρc I [0] and H ρc Q [0],

Ngày tải lên: 22/06/2014, 19:20

... and quantization 3.1.1. Motivation The number of bits (NOB) of the ADC must be kept as low as possible for obvious reasons of cost and power consump- tion. On the other hand, a large number of ... value of the PN PSD at low frequency offsets. In our simulations (see Section 6.3), we assume a phase noise bandwidth of 1 MHz and a noise floor of −130 dBc/Hz. Typical values of the level of PN ... }, the product of R cp and each of H ρc I [1] and H ρc Q [1] matri- ces is null. Moreover, the left and right cyclic prefix inser- tion and removal operations around H ρc I [0] and H ρc Q [0],

Ngày tải lên: 22/06/2014, 22:20

... France Telecom R&D and currently leads R&D effort on software and. .. Journal of Wireless Information Networks, vol 9, no 3, pp 155–164, 2002 [17] T Roos, P Myllym¨ ki, and H Tirri, “A statistical ... Hatami and K Pahlavan, “A comparative performance evaluation of RSS-based positioning algorithms used in WLAN networks,” in Proceedings of the IEEE Wireless Communications and Networking ... where N w − 1 is the number of walls of different nature, n i is the number of walls having an attenuation of ω i dB. Such a propagation model leads to a better estimate of the range separating the

Ngày tải lên: 22/06/2014, 23:20

... NEW APPROACH OF INDOOR AND OUTDOOR LOCALIZATION SYSTEMS Edited by Fouzia Boukour Elbahhar and Atika Rivenq New Approach of Indoor and Outdoor Localization Systems http://dx.doi.org/10.5772/2751 ... Xiaoying Kong, Li Liu and Heung-Gyoon Ryu Chapter 10 Inertial Navigation Systems and Its Practical Applications 213 Aleksander Nawrat, Karol Jędrasiak, Krzysztof Daniec and Roman Koteras Chapter ... precision and parameters estimation. The last chapter of this section deals with the use of GPS technology in the determination of the one-way speed of light. Section 2: “Wireless Sensor Network

Ngày tải lên: 29/06/2014, 13:20

... Unit 24. Comparison of Adjectives and adverbs (So sánh của tính từ và trạng từ) COMPARISON OF ADJECTIVES AND ADVERBS Ghi chú: Các cách so sánh của tính ... (adjective) and (adjective) It is getting hotter and hotter. (Trời càng ngày càng nóng) His voice became weaker and weaker. (Giọng nói của anh ta càng ngày càng yếu) Đối với tính từ dài: more and ... Harry is older than William. Alice is more careful than her brother. III. Thể so sánh bằng (Comparison of Equality) Bằng: as adjective as Không bằng: not so (as) adjective as This garden is

Ngày tải lên: 11/07/2014, 04:20

... poverty of speech, and lack of motivation are part of the schizophrenia syndrome and their presence was found to predict a longer duration of psychiatric hospitalization [43]. Results of the current ... large systems of care in the U.S. including university health care systems, community mental health centers (CMHC), the Department of Veter- ans Affairs Health Services (VA), and community and ... was independent of patients' psychiatric and medical comorbidities, sub- stance abuse behaviors, use of concomitant medications of any type, level of suicidality, display of aggressive behaviors,

Ngày tải lên: 08/08/2014, 20:23

... Results Comparison of target volume coverage between IMRT and conventional 3D plans All treatment plans showed adequate coverage of the target volume, with more than 95% of volume of PTV1 and PTV2 ... equally be noted Comparison of OAR sparing between IMRT and conventional 3D plans Incorporation of IMRT in phase or in phase and significantly reduced the volume of bladder and genitalia/ perineum ... Role of mitomycin in combination with fluorouracil and radiotherapy, and of salvage chemoradiation in the definitive nonsurgical treatment of epidermoid carcinoma of the anal canal: results of

Ngày tải lên: 09/08/2014, 10:21

... extent of atherosclerosis in patients. Images of six well-defined segments (near and far wall of the common carotid, the bifurcation and the internal carotid) were obtained in each of the left and ... factors i n this cohort of HIV patients. Standardization of protocols for FMD and IMT will facilitate the comparison of results across st udies. Page 1 of 10 (page number not for citation purposes) ... data consisting of 257 patients with baseline carotid IMT and brachial FMD; and (2) progression data consisting of 168 patients with baseline and follow-up measurements for carotidIMTandbrachialFMD(Figure1).

Ngày tải lên: 10/08/2014, 05:21

... caseloads, meeting the needs of a variety of clients and their families, and rela- tionships with peers and supervisors [9], while consu- mers bring their own needs, preferences, and expectations [10]. ... to be both common and unique factors in conceptual models from different types of systems and organizations. While the re is generally a dearth of research examin- ing barriers and facilita ting ... examples of EBPs and the associated handouts described above to provide them with easily acce ssible information about common ty pes of EBPs and their features. Statements were collected from each of

Ngày tải lên: 10/08/2014, 11:20

... showed a sensitivity of mannitol and metha- choline to identify EIB of 68.4% and 73.7% and a specif- icity of 44.4% and 55.5% respectively. Sensitivity and specificity for mannitol and methacholine ... asthma and healthy subjects without asthma, the specificity and sensitivity of mannitol to identify a clinical diagnosis of asthma was 59.8% and 95.2% and it was 88.7% and ... diagnosis of asthma at entry mannitol had a sensitivity and specificity of 56% and 73% and this was no different to methacholine 51% and 75% In conclusion, mannitol and methacholine

Ngày tải lên: 12/08/2014, 14:20

... 2.6 NETWORKS 2.6.4 51 LANs, WANs and VLANs In the 1980s and 1990s, most networks consisted of a hierarchy of routers, joined into a Wide Area Network (WAN) Each Local Area Network (or ... understand the basics of these mechanisms Network attacks make clever use of the features and flaws in these protocols and system administrators need to understand them in order to protect systems ... parties? What are the pros and cons of making a network completely uniform in the choice of hardware and software? Explain how patterns of user behavior have a direct and measurable effect on a

Ngày tải lên: 13/08/2014, 22:21

... kind of cloning... afford off-the-shelf software for Unix There are therefore two kinds of software installation: the installation of software from binaries and the installation of software ... with time, and should therefore be backed up. Operating systems often have a special place for installed software. Regrettably they often break the above rule and mix software with the operating ... cd software 4.7 SOFTWARE INSTALLATION 135 5 Type: configure prefix=/usr/local/gnu This checks the state of our local operating system and other installed software and configures the software

Ngày tải lên: 13/08/2014, 22:21

... dismissal and legal action. 2. The network Forthepurposeofthispolicy,wedefine‘thenetwork’tomeanthecompany computer and telephone network, including all of its hardware and software. The use of the network ... Backup and recovery • Security and confidentiality of work. [...]... One example of this is the introduction of mobile devices and humans Mobility and partial connectivity of hosts and ... to IP routers or network access servers Member States comments: A Minimum List • Date and time of connection of client to server • User-id and password • Assigned IP address NAS Network • Attached

Ngày tải lên: 13/08/2014, 22:21

... attempts to keep track of changes in individual systems using a method of revision control. A typical Unix system might consist of thousands of files comprising software and data. All of the files (except ... absence of important files and filesystems • Controlled execution of user scripts and shell commands • Process management By automating these procedures, you will save a lot of time and ... command • Check and set the... your network, cfengine provides more specific classes which contain the name and release of the operating system To find out what these look like for your systems,

Ngày tải lên: 13/08/2014, 22:21

... which it depends. This is particularly true of file-servers (e.g. NFS, DFS, Netware distributed filesystems) and of the DNS service. Principle 48 (Symptoms and cause). Always try to fix problems at ... it has received from software. If software asks hardware to be inefficient, hardware will be inefficient. Software introduces many inefficiencies of its own. Hardware and software tuning are inextricably ... the crux of network cooperation (see section 3.5) They distinguish a cooperative network from a loose association of hosts A community is bound together by a web of delegation and sharing

Ngày tải lên: 13/08/2014, 22:21

... SERVICES 9.10 Samba Samba is a free software solution to the problem of making Unix filesystems available to Windows operating systems. Windows NT uses a system of network file sharing based on their ... effectively both lpr, lpd, lpq and lprm commands from Berkeley and lp, lpstat and cancel commands from System V. The daemon reads the three configuration files and handles spooling. The configuration ... terms of the OSI-layers Today, some are discussing QoS (Quality of Service), QoD (Quality of Devices), QoE (Quality of Experience), QoB (Quality of Business), and any number of variations...

Ngày tải lên: 13/08/2014, 22:21

... often intricate and ingenious, but the common theme in all of them is to exploit naive limitations in the way network services are implemented. Time and again one sees crackers make use of software ... all operating systems, but they are often costly On both Unix and Windows, it is possible to backup filesystems either... time and attention Robotic automation can help here The level of ... 12.3 DATA INTEGRITY AND PROTECTION 455 damage and natural disasters, and make the business of recovery less painful There... On Unix-like systems there is a variety of tools which can

Ngày tải lên: 13/08/2014, 22:21

... significantly affect the performance of software. Strictly speak- ing an evaluation of bugs is not part of the software evaluation itself, but of the process of software development, so while bugs ... include the amount of dependency of a software component on other software systems, hosts or processes; also the dependency of a software system on the presence of a human being In ... understanding of the issues should lead to better software and better strategies from human administrators For... value of the measurement The sources of systematic error are often difficult

Ngày tải lên: 13/08/2014, 22:21