to and mitigations for stored data
Chapter 10 Functional Dependencies and Normalization for Relational Databases
... Three possible decompositions for relation TEACH {student, instructor} and {student, course} {course, instructor } and {course, student} {instructor, course } and {instructor, student} All three decompositions ... Keys) BCNF (Boyce-Codd Normal Form) Informal Design Guidelines for Relational Databases (1) What is relational database design? The grouping of attributes to form "good" relation schemas ... discuss informal guidelines for good relational design Then we discuss formal concepts of functional dependencies and normal forms - 1NF (First Normal Form) - 2NF (Second Normal Form) - 3NF...
- 48
- 467
- 0
Báo cáo hóa học: " Research Article Cooperative Coding and Caching for Streaming Data in Multihop Wireless Networks" ppt
... m data requests will be broadcasted to its neighbors Every neighbor can only reply to one request, and has to decide whether to forward the request or just reply to it depending on its history ... over 99.6% for q = 28 , and this is almost independent of N As such, for the network-coding-based data storage and collection scheme, the success ratio with M = N and B = is close to 100% EURASIP ... Communications and Networking before transmission for providing scalable streaming abilities [14], if unimportant data segments are to be removed to accommodate new data, the system needs to first decode...
- 10
- 415
- 0
Advanced Methods and Tools for ECG Data Analysis - Part 1 ppt
... Lomb-Scargle Periodogram 3.7.5 Information Limits and Background Noise 3.7.6 The Effect of Ectopy and Artifact and How to Deal with It 3.7.7 Choosing an Experimental Protocol: Activity-Related Changes ... not obviously map back to the etiology Global context pattern analysis Factoring in patient-specific history (from minutes, to hours, to years) for feature recognition and classification is required ... are therefore said to be gated channels and their opening and closing can occur in response to voltage changes (voltage gated channels) or through the activation of receptors (receptor gated...
- 30
- 366
- 1
Advanced Methods and Tools for ECG Data Analysis - Part 2 doc
... signal processing tasks Data formats: When storing data, it is important to use an accurate and verifiable data format (at each step) If data are to be converted to another format, the method of ... Transmission, and Representation questions to ask when choosing a data format and access libraries include: • • • • • • • • • • • • • What are the data going to be used for? Are the data format and libraries ... commonly used for electroencephalograms (and more increasingly is becoming the standard for ECGs); HL7 [26, 27] (an XML-based format for the exchange of data in hospitals); and WaveForm DataBase (WFDB),...
- 40
- 429
- 1
Advanced Methods and Tools for ECG Data Analysis - Part 3 docx
... to the noise amplitude in the isoelectric region; Crest factor / peak -to- RMS ratio (the ratio of the peak value of a signal to its RMS value); Ratio between in-band (5 to 40 Hz) and out-of-band ... months the baroreceptors will reset their operating range to cause a drop in baseline HR and blood pressure (BP) In order to better understand the contributing factors to HRV and the time scales ... bands Fluctuations below 0.04 Hz in the VLF and ULF bands are thought to be due to long-term regulatory mechanisms such as the thermoregulatory system, the reninangiotensin system (related to...
- 40
- 380
- 1
Advanced Methods and Tools for ECG Data Analysis - Part 4 ppsx
... between respiration and the cardiovascular effort is to be expected For this reason, these results cannot be assumed to hold for normal subjects and the results may indeed be specific to only the Santa ... specific means and trends An analysis of ectopic beat and artifact incidence in an accompanying paper [76] was used to provide a mechanism for generating realistic ectopy and artifact Ectopic beats ... (M × M) transformation matrix W can then be applied to X to create the transformed matrix Y such that YT = WXT (5.2) The purpose of a transformation is to map (or project) data into another space...
- 40
- 376
- 1
Advanced Methods and Tools for ECG Data Analysis - Part 5 pdf
... vectors onto which we can transform data Those data that are projected (or mapped) onto each vector are the independent sources The basic goal in PCA is to decorrelate the signal by projecting data ... the target data vector is simply the input data vector Therefore, no labeling of training data is required An auto-associative neural network performs dimensionality reduction from D to p dimensions ... onto orthogonal axes However, ICA results in a transformation of data onto a set of axes which are not necessarily orthogonal Both PCA and ICA can be used to perform lossy or lossless transformations...
- 40
- 777
- 1
Advanced Methods and Tools for ECG Data Analysis - Part 6 docx
... representation of oscillatory signals with few turning points compared to the sampling frequency and it therefore has a bandpass filtering effect leading to a lossy transformation of the data into a set of ... sampling [46] For ambulatory ECG detection, frequency-modulated (FM) and digital recorders show minimal distortion for heart rates between 60 to 200 bpm, and a bandpass response between 0.05 and 50 ... approach to the EDR problem has been to apply a bandpass filter to the single-lead ECG, selecting the usual respiratory frequency band from 0.2 to 0.4 Hz [20] Some methods derive respiratory information...
- 40
- 445
- 1
Advanced Methods and Tools for ECG Data Analysis - Part 7 ppt
... ST-T Database (ESC DB) [24], the first standard reference database for assessing the quality of ST segment and T wave change analyzers To obtain the correct representative pattern vectors, {x}, for ... conclude that five KLT coefficients for ST segment and five for the QRS complex are sufficient and necessary for separating between noisy and clean patterns and for accurately representing the features ... peak in the LF band, related to short-term regulation of blood pressure, and another peak in the HF band, related to respiratory sinus arrhythmia An RR interval series with the former power spectrum...
- 40
- 482
- 1
Advanced Methods and Tools for ECG Data Analysis - Part 8 docx
... annotated During the data collection exercise, we found that it was not possible to obtain reliable estimates for the Ton and Uon points, and therefore these were taken to be the J and Toff points, respectively ... analyst to label every ECG waveform in the data set Therefore, we chose to distribute the waveforms at random among the different experts (such that each waveform was measured by one expert only) For ... is to be a representative research resource for development and evaluation of automated systems to detect transient ST segment changes, and for supporting basic research into the mechanisms and...
- 40
- 530
- 1
Advanced Methods and Tools for ECG Data Analysis - Part 9 ppsx
... Approaches to ECG Segmentation and Feature Extraction Figure 11.7 Filter bank for the undecimated wavelet transform At each level k of the transform, the operators g and h correspond to the highpass and ... Q and Toff single-beat segmentation errors of 5.5 ms and 12.4 ms for lead II, and 3.3 ms and 9.5 ms for lead V2, are significantly better than the corresponding errors for the HMM with an autoregressive ... systems are unable to differentiate between normal ECG waveforms (for which the automated annotations are generally reliable) and abnormal or unusual ECG waveforms (for which the automated annotations...
- 40
- 453
- 1
Advanced Methods and Tools for ECG Data Analysis - Part 10 pps
... environment, ECG data are commonly stored and analyzed using different formats and software tools Thus, there is a need to develop cross-platform solutions to support data analysis tasks and applications ... Introduction to Unsupervised Learning for ECG Classification Figure 13.15 SOM-based data visualization for sleep apnea data set: (a) U-matrix; and (b) label map ‘‘1’’ stands for Class Normal and ‘‘2’’ ... “Integrating Data, Models, and Reasoning in Critical Care,” and a major contributor to the well-known PhysioNet Research Resource He has taught at Oxford, MIT, and Harvard and is currently an instructor...
- 40
- 330
- 1
![[new] ensuring query correctness and completeness for outsourced databases](https://media.store123doc.com/images/document/2015_01/29/small_oyb1422505634.jpg)
[new] ensuring query correctness and completeness for outsourced databases
... completeness, and freshness for Outsourced Tree-Indexed Data Information Resource Management Journal, 2008 [3] Tran Khanh Dang Security Protocols for Outsourcing Database Services Information and Security: ... Môn An To n Bảo Mật Hệ Thống Thông Tin Demo Mô hình cài đặt 21 Môn An To n Bảo Mật Hệ Thống Thông Tin Tham khảo [1]Pham Thi Bach Hue, Dang Tran Khanh Query assurance for outsourced databases:state-of-the-art ... Authentication Data Structure) Xác Suất Demo Môn An To n Bảo Mật Hệ Thống Thông Tin Dịch vụ Outsourcing Database Thông thường, CSDL quản lý tổ chức sở hữu chúng (in-house database) Tốn...
- 23
- 222
- 0
Modeling and detection for holographic data storage
... Holographic Data Storage Channel Any data storage channel can be viewed as an imperfect communication channel which is susceptible to information loss due to noise, finite bandwidth, and nonlinear distortions ... BCJR forward recursion for row detector βc BCJR backward recursion for column detector βr BCJR backward recursion for row detector γc BCJR branch transition probability for column detector γr ... Motivations for Holographic Data Storage 1.2 Introduction to Holographic Data Storage 1.3 Holographic Data Storage Channel iv Contents 1.3.1 v Detection for...
- 124
- 364
- 0
Báo cáo y học: "Human pregnancy safety for agents used to treat rheumatoid arthritis: adequacy of available information and strategies for developing post-marketing data" ppsx
... documented increased risks for malformations; theoretical concerns for retinal toxicity and ototoxicity, but no reported cases Although data are insufficient, a substantial teratogenic risk is unlikely ... factors for neural tube defects Teratology 1998, 57:1-7 Torfs CP, Katz EA, Bateson TF, Lam PK, Curry CJR: Maternal medications and environmental exposures as risk factors for gastroschisis Teratology ... referred to as the cyclophosphamide embryopathy, are similar to those seen following prenatal exposure to methotrexate and include growth deficiency, craniofacial anomalies, and absent fingers and toes...
- 10
- 501
- 0
Báo cáo khoa học: " Characteristics and outcome for admissions to adult, general critical care units with acute severe asthma: a secondary analysis of the ICNARC Case Mix Programme Database" pps
... England, Wales and Northern Ireland, in order to provide national, baseline information that may be useful both for local benchmarking and for dictating future policy The case mix, outcome and ... mechanical ventilation was found to exist for the factors age, highest heart rate, PaO2, PaCO2, pH and APACHE II score For all factors, the effect of this interaction was to increase the magnitude of ... condition-specific morbidity and mortality for patients with asthma admitted to ICU is essential for making rational decisions Such knowledge can contribute to decisions on admission, treatment and discharge...
- 10
- 308
- 0
Báo cáo khoa học: "Case mix, outcome and activity for patients admitted to intensive care units requiring chronic renal dialysis: a secondary analysis of the ICNARC Case Mix Programme Database" pptx
... chronic peritoneal dialysis) for irreversible renal disease', and must be documented before admission or on admission to the CMP unit Data Data were extracted on case mix, outcome and activity, ... for the chronic renal dialysis population and the total population for the years of the study In 2003, we project that there were 1,172 admissions to ICUs in England, Wales and Northern Ireland ... high-quality, clinical database was used to identify admissions to ICUs across England, Wales and Northern Ireland of patients with ESRF who were already receiving chronic dialysis We report, for the first...
- 14
- 286
- 0
Báo cáo y học: "Data from necropsy studies and in vitro tissue studies lead to a model for allometric scaling of basal metabolic rate" pot
... respectively, and the MLE for α1/α2 is 0.57/0.43 The MLE estimates for β1 and β2 are close to the exponents in Equation (4) estimated from data gathered by necropsy and in vitro studies Therefore, it ... body-weight data from Heusner [10] and from Kleiber [1,3] Parameters used for the predictions are MLEs from fitting the equations to the data of White and Seymour, which is the most powerful data set for ... dimensions For example, the thickness of the stratum Malpighi is approximately 10 µm and 16 µm in mice and rats, respectively, and 26 µm and 28 µm in horses and cows, respectively [38], and the...
- 8
- 356
- 0
An analysis of key changes under ucp 600 compared to ucp 500 and recommendations for better ucp 600 application.doc
... choose to apply it Stakeholders here refer to banks and other institutions that issue, confirm or otherwise process L/Cs; buyers who cause L/Cs to be issued; seller who look to L/Cs for payment; and ... (Supplementary to the Uniform Customs and Practices for Documentary Credits, for Electronic Presentation), “Commentary on UCP 600”, ICC Banking Opinions and many guide books for Documentary Operation ... is more concise and updated with 49 articles It was divided into seven sections, which were lettered from A to G and headed in turn: General Provisions and Definitions; Form and Notification...
- 89
- 965
- 2
Optimal cost and allocation for UPFC using HRGAPSO to improve power system security and loadability
... c1 and c are acceleration constants and rand and rand are uniformly distributed random r numbers in [0, 1] The term vi is limited to its bounds If the velocity violates this limit, it is set to ... is assumed to be 1pu for all load buses (PQ buses) and to be equal to specified value for generation buses (PV buses) and S j max is apparent power nominal rate of jth line or transformer ISSN ... where PGi and QGi : generator real and reactive power at i-th bus, respectively; PDi and QDi : load real and reactive power at i-th bus, respectively; Gij and Bij : transfer conductance and susceptance...
- 16
- 547
- 0
Tìm thêm: khảo sát các chuẩn giảng dạy tiếng nhật từ góc độ lí thuyết và thực tiễn khảo sát chương trình đào tạo của các đơn vị đào tạo tại nhật bản khảo sát chương trình đào tạo gắn với các giáo trình cụ thể xác định thời lượng học về mặt lí thuyết và thực tế điều tra với đối tượng sinh viên học tiếng nhật không chuyên ngữ1 khảo sát thực tế giảng dạy tiếng nhật không chuyên ngữ tại việt nam khảo sát các chương trình đào tạo theo những bộ giáo trình tiêu biểu nội dung cụ thể cho từng kĩ năng ở từng cấp độ xác định mức độ đáp ứng về văn hoá và chuyên môn trong ct phát huy những thành tựu công nghệ mới nhất được áp dụng vào công tác dạy và học ngoại ngữ mở máy động cơ rôto dây quấn các đặc tính của động cơ điện không đồng bộ hệ số công suất cosp fi p2 đặc tuyến hiệu suất h fi p2 đặc tuyến mômen quay m fi p2 đặc tuyến dòng điện stato i1 fi p2 động cơ điện không đồng bộ một pha phần 3 giới thiệu nguyên liệu từ bảng 3 1 ta thấy ngoài hai thành phần chủ yếu và chiếm tỷ lệ cao nhất là tinh bột và cacbonhydrat trong hạt gạo tẻ còn chứa đường cellulose hemicellulose chỉ tiêu chất lượng theo chất lượng phẩm chất sản phẩm khô từ gạo của bộ y tế năm 2008