intelligence events and real time data

OReilly kafka the definitive guide real time data and stream processing at scale

OReilly kafka the definitive guide real time data and stream processing at scale

... operates on a data stream in real time, where Hadoop usuallyrelies on aggregation of data over a longer time frame, either hours or days, and thenperforming batch processing on that data Stream ... would provide real-time access to the data and scale out tohandle the amount of message traffic needed Prototype systems were set up withActiveMQ, but at the time it could not handle the scale ... Retention By Time and Last Modified Times Retention by time is performed by examining the last modified time (mtime) on eachlog segment file on disk Under normal cluster operations, this is the time

Ngày tải lên: 17/04/2017, 15:43

118 1,2K 0
báo cáo khoa học: " Profiling microRNA expression in Arabidopsis pollen using microRNA array and real-time PCR" pps

báo cáo khoa học: " Profiling microRNA expression in Arabidopsis pollen using microRNA array and real-time PCR" pps

... sequencing data, but not detected by real-time PCR (Table 1) Seven out of these 9 miRNAs had very low sequencing frequency, and their expression can-not be confidently confirmed until the sequencing data ... (miR159a and miR159b) have been sequenced more than 5,000 times in mature pollen Since the expression of these two miRNAs was not detected by either real-time PCR or regular RT-PCR (Table 1 and Figure ... of each primers (900 nM), 1 μl Taqman probe (250 nM), and 1.5 μl cDNA sample All real-time PCR reactions were performed in a StepOne real-time PCR machine (Applied Biosystems, Foster City, CA)

Ngày tải lên: 12/08/2014, 03:20

10 324 0
volumetric reconstruction and real-time deformation modeling of biomedical images

volumetric reconstruction and real-time deformation modeling of biomedical images

... analyzed, and utilized tomodel specific medical procedures Figure 1.5 shows examples of a volume-renderedand a surface-rendered torso of a patient Producing realistic data models and providing real-time ... manipulation and real-time medical procedure simula-tion are still difficult for volumetric medical data One approach to circumvent theseconstraints is to faithfully transform the volumetric image data ... 412.6 Reconstructions Using Real X-Ray Image Data 45 2.6.1 The X-Ray Imaging System 45 2.6.2 The Reconstruction Process and Results 48 2.7 Conclusion 48 3 REAL-TIME DEFORMATION MODELING

Ngày tải lên: 13/11/2014, 16:25

130 194 0
Integrated metrology and real time CD control

Integrated metrology and real time CD control

... monitoring requiresin-line sensors and real-time algorithms to facilitate real-time analysis of sensorsignals [14] Therefore, in order to implement real-time CD monitoring and con-trol effectively, we ... measured and referencespectrums is proposed for real-time monitoring and control Result shows CD non-uniformity can be significantly reduced to less than 10nm With this system, real-time monitoring and ... equipment and each step has the possibility toinduce some kind of error or defect and therefore stringent process monitoring andcontrol along the line is required for real-time fault detection and

Ngày tải lên: 09/09/2015, 18:50

131 266 0
Model checking concurrent and real time systems  the PAT approach

Model checking concurrent and real time systems the PAT approach

... definition of real-time systems Discrete-time semantics [11]requires that all time readings are integers and all clocks increment their readings at the same time.The other choice is dense-time semantics ... 352.4 MODEL CHECKING REAL-TIME SYSTEMS 212.4.1 Discrete-time Systems When time is discrete, possible clock values are nonnegative integers, and events can only occur at integer time values This type ... real-time systems is based on thenotation Timed Automata [10, 149] Timed Automata are powerful in designing real-time modelswith explicit clock variables Real-time constraints are captured by explicitly

Ngày tải lên: 14/09/2015, 08:38

255 518 0
An enhance framework on hair modeling and real time animation

An enhance framework on hair modeling and real time animation

... ENHANCE FRAMEWORK ON HAIR MODELING AND REAL-TIME ANIMATION LIANG WENQI NATIONAL UNIVERSITY OF SINGAPORE 2003 Trang 2AN ENHANCE FRAMEWORK ON HAIR MODELING AND REAL-TIME ANIMATION LIANG WENQI A ... opportunity and provides me all kinds of facilities that make my thesis possible Trang 5Maximizing visual effect is a major problem in real-time animation One work was proposed on real-time hair ... these techniques are not suitable for real-time hair animation Recently, Koh and Huang [Koh00, Koh01] proposed a strip based approach that animates in real-time But because of the 2D strip used,

Ngày tải lên: 28/09/2015, 13:21

52 188 0
Linux for embedded and real time applications

Linux for embedded and real time applications

... What Is Real-time? Real-time is harder to explain The basic idea behind real-time is that we expect the computer to respond to its environment in time Many people assume that real-time means real ... Interrupts and Exceptions 143 Critical Sections 144 Resources 145 Chapter 9: Linux and Real-time 147 Why Linux Isn’t Real-time 147 Two Approaches 150 Resources—Obtaining Real-time Linux ... Sales Trang 5Preface ixAudience and Prerequisites x Personal Biases xi Chapter 1: The Embedded and Real-time Space 1 What Is Embedded? 1 What Is Real-time? 2 How and Why Does Linux Fit in?

Ngày tải lên: 08/03/2016, 09:24

272 607 0
building real time data pipelines

building real time data pipelines

... real-time and historical data in a single view,and provide the persistence for real-time data pipelines with Apache Kafka and Spark (Figure 1-2).Figure 1-2 Real-time operational intelligence and ... transactionsrequiring in-memory databases to keep up with the volume of real-time data and the interest to understand that data in real time Trang 11Chapter 2 First Principles of Modern In-Memory Databases Our ... to Real-Time and Historical Data In addition to speed, converged processing requires the ability to compare real-time data to statisticalmodels and aggregations of historical data To do so, a database

Ngày tải lên: 04/03/2019, 14:29

44 33 0
Building real time data pipelines

Building real time data pipelines

... and historical data in a single view, and provide the persistence for real-time data pipelines withApache Kafka and Spark (Figure 1-2) Figure 1-2 Real-time operational intelligence and monitoring ... requiring in-memory databases to keep up with the volume of real-time data and the interest to understand that data in real time Trang 23Chapter 2 First Principles ofModern In-Memory Databases Our ... to events, rather than after the fact, in cases such as datacenter management and fraud detection In-memory databases ingest data andrun queries simultaneously, provide analytics on real-time and

Ngày tải lên: 04/03/2019, 14:29

106 77 0
IT training building real time data pipelines khotailieu

IT training building real time data pipelines khotailieu

... and historical data in a single view,and provide the persistence for real-time data pipelines with ApacheKafka and Spark (Figure 1-2) Figure 1-2 Real-time operational intelligence and monitoring ... Use In-Memory Database Management Systems (IMDBMS) Trang 15requiring in-memory databases to keep up with the volume of time data and the interest to understand that data in real time.real-Common ... to Real-Time and Historical DataIn addition to speed, converged processing requires the ability tocompare real-time data to statistical models and aggregations of his‐torical data To do so, a database

Ngày tải lên: 12/11/2019, 22:12

63 61 0
An object-oriented design method to implement the mechatronic system control by using hybrid automata and real-time uml

An object-oriented design method to implement the mechatronic system control by using hybrid automata and real-time uml

... AUTOMATA AND REAL-TIME UML Ngo Van Hien, Vu Duy Quang Hanoi University of Science and Technology Abstract In this paper, we present a method, which is based on hybrid automata and Real-Time Unified ... automaton definition, its specification and realization hypotheses of a HDS, and introduces the main notations of Real-Time UML for describing the analysis and design model of this system; Section ... analyze and design the control parts of mechatronic systems with input or output events and signals in order to effectively gather their structure and behaviour We introduce step-by-step analysis and

Ngày tải lên: 12/02/2020, 19:45

12 18 0
3D Videocommunication Algorithms concepts and real time systems in human centred communication

3D Videocommunication Algorithms concepts and real time systems in human centred communication

... analysis of audio and video and arbitrary view and sound synthesis to encoding of 3D audio and video Understanding of real- time implementation issues, as well as system architectures and network aspects ... 11 Coding and Standardization by A Smolic and T Sikora outlines the basic coding strategies frequently used for audio, image and video storage and transmission International coding standards such ... the internet via a camera and where remote users could control a robotic arm to plant and water seeds, and subsequently watch their plants grow and flourish in real- time 1.6 TELECOMMUNICATIONS...

Ngày tải lên: 12/05/2013, 10:21

365 425 1
Power Quality Harmonics Analysis and Real Measurements Data Part 1 pdf

Power Quality Harmonics Analysis and Real Measurements Data Part 1 pdf

... Identification and Measurements Soliman Abdelhady Soliman and Ahmad Mohammad Alkandari Chapter On the Reliability of Real Measurement Data for Assessing Power Quality Disturbances 69 Alexandre Brandao ... to recorded data and used to determine which data are to be used for further processing, and which data should be discarded Chapter presents the problems of voltage transformers and voltage harmonic ... Quality Harmonics Analysis and Real Measurements Data Sources and problems of harmonics [2] Harmonic sources are divided into two categories: Established and known New and Future A review of the...

Ngày tải lên: 19/06/2014, 08:20

20 447 0
Power Quality Harmonics Analysis and Real Measurements Data Part 2 docx

Power Quality Harmonics Analysis and Real Measurements Data Part 2 docx

... and varied These parameters are the standard 14 Power Quality Harmonics Analysis and Real Measurements Data deviation of the noise, the number of samples, and the sampling frequency A Gaussiandistributed ... and discrete Fourier transform (DFT) The data used in this study are real data from a three-phase six pulse converter The three techniques are thoroughly analyzed and compared in terms of standard ... calculated using data taken from t = t1 to t = t1 + (m – 1)t s, t1 is the initial sampling time The elements of the matrix [A] are functions of the time reference, initial sampling time, and the sampling...

Ngày tải lên: 19/06/2014, 08:20

20 349 0
Power Quality Harmonics Analysis and Real Measurements Data Part 3 ppt

Power Quality Harmonics Analysis and Real Measurements Data Part 3 ppt

... Analysis and Real Measurements Data Fig 27 Gain of the proposed filter for X1 and Y1 using models and Fig 28 Estimated magnitudes of 60 Hz and third harmonic for frequency drifts using models and ... transients, and harmonics of less than 60 Hz (sub-harmonics) The waveform was originally sampled at a 118 ms time 34 Power Quality Harmonics Analysis and Real Measurements Data interval and a sampling ... current and voltage waveforms This package has been tested on simulated data sets, as well as on an actual Electric Power Systems Harmonics - Identification and Measurements 31 recorded data set and...

Ngày tải lên: 19/06/2014, 08:20

20 398 0
Power Quality Harmonics Analysis and Real Measurements Data Part 4 docx

Power Quality Harmonics Analysis and Real Measurements Data Part 4 docx

... the amplitude and phase angles of each harmonic component are time independent, steady state harmonics identification 54 Power Quality Harmonics Analysis and Real Measurements Data Fuzzy harmonic ... at frequency 1250Hz and used as measurement samples Converting Eq (88) to discrete time, t  0.08k, where k is the sampling time, and using the notation of Eq (71), v1(k) and v2(k) are defined ... Systems Research 38 (1997) 113-123 66 Power Quality Harmonics Analysis and Real Measurements Data S.A Soliman, I Helal, and A M Al-Kandari, Fuzzy linear regression for measurement of harmonic components...

Ngày tải lên: 19/06/2014, 08:20

20 433 0
Power Quality Harmonics Analysis and Real Measurements Data Part 5 doc

Power Quality Harmonics Analysis and Real Measurements Data Part 5 doc

... determination problem and sections and present two case studies Section presents general conclusions and recommendations Data reliability criteria This section is intended to present the main data reliability ... resistance data showing confidence intervals 74 Power Quality Harmonics Analysis and Real Measurements Data 2.5 Quantization error Quantization refers to the digitalization step of the data acquisition ... equivalent impedance of the transmission and distribution lines, and of the step-down and step-up transformers On the Reliability of Real Measurement Data for Assessing Power Quality Disturbances...

Ngày tải lên: 19/06/2014, 08:20

20 451 0
Power Quality Harmonics Analysis and Real Measurements Data Part 6 pptx

Power Quality Harmonics Analysis and Real Measurements Data Part 6 pptx

... cut-off frequency few times 102 Power Quality Harmonics Analysis and Real Measurements Data Capacitive character of VT load induces opposite effect and narrows VT pass band width significantly ... Analysis and Real Measurements Data Simplified representation of VT magnetizing and leakage impedances is presented in Fig 13, where characteristic resonance frequencies fr1, fr2, fr3 and related ... is predominant Band Band Band Zmag Zleak fr1 fr3 fr2 log f Fig 12 Simplified representation of VT magnetizing and leakage impedance-frequency characteristics The developed wideband circuit model...

Ngày tải lên: 19/06/2014, 08:20

20 406 0
Power Quality Harmonics Analysis and Real Measurements Data Part 7 pdf

Power Quality Harmonics Analysis and Real Measurements Data Part 7 pdf

... stages 1,2 and or 5,6 and The transistors conduct for the time of stages and 5, the freewheeling diodes – for the time of stages 3, 4, and 8, and the rectifier diodes – for the time of stages and The ... Quality Harmonics Analysis and Real Measurements Data Stages and correspond to the commutations in the inverter 0 0 The commutations in the rectifier begin in p M1 or p M5 and end in p M or p M8 ... limited within the boundary curves А and L3 or L4 The bigger the capacity of the capacitors 124 Power Quality Harmonics Analysis and Real Measurements Data СS and С0, the smaller this area is However,...

Ngày tải lên: 19/06/2014, 08:20

20 385 0
Power Quality Harmonics Analysis and Real Measurements Data Part 8 doc

Power Quality Harmonics Analysis and Real Measurements Data Part 8 doc

... of 60, 90 and 1200 el., and load inductance values of 0.1, 10 and 50mH The results are shown in Fig 20 and Fig 21 750V P1 500V P2 250V P3 0V 0s 20ms V(MULT1:OUT) 40ms 60ms 80ms 100ms Time Fig ... simulations we obtain the maximum temperature time variation and the minimum temperature time variation From the difference between maximum temperature time variation and ambient temperature divided to ... made with power diodes and thyristors, the time variations of input powers and temperatures are presented below P1 375V P2 250V P3 125V 0V 0s 20ms V(MULT1:OUT) 40ms 60ms 80ms Time Fig 11 Input power...

Ngày tải lên: 19/06/2014, 08:20

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