... Web Was Done by Amateurs A Reflection on One of the Largest Collective Systems Ever Engineered The Web Was Done by Amateurs Marco Aiello The Web Was Done by Amateurs A Reflection on One of the ... “The Web Was Done by Amateurs” could not exist without the help of many people I take this occasion to thank the prominent ones and apologize if I have unintentionally forgotten anyone First and ... the Distributed Systems group at the University of Groningen with whom I collaborated over the years to obtain some of the results mentioned throughout the book Matt McEwen has done an incredible
Ngày tải lên: 04/03/2019, 13:20
... ADVANCES IN SPACECRAFT SYSTEMS AND ORBIT DETERMINATION Edited by Rushi Ghadawala Advances in Spacecraft Systems and Orbit Determination Edited by Rushi Ghadawala ... Spacecraft Systems and Orbit Determination, Edited by Rushi Ghadawala p. cm. ISBN 978-953-51-0380-6 Contents Preface IX Part 1 Orbit Determination and Spacecraft Systems ... the Method of Spacecraft Orbit Determination Based the Technology of Dynamic Model Compensation 75 Pan Xiaogang, Wang Jiongqi and Zhou Haiyin Part 2 Spacecraft Systems 95 Chapter 5 Modularity
Ngày tải lên: 28/06/2014, 14:20
báo cáo khoa học: "Single and two-stage selection on different indices in open nucleus breeding systems" pps
... of nucleus systems with two -stage selection on individual performance both, the two -stage selection we we of base females and the two -stage selection need first to consider the allocation of ... evaluated in the context of open nucleus systems, though it seems to be a to take into account A special case of two -stage selection of sires arises when the second stage includes progeny test results ... response to selection in nucleus systems with more than one index can then be used to define the optimum breeding design The sensitivity of genetic gain in such systems to changes in the accuracy
Ngày tải lên: 09/08/2014, 22:23
Algorithms for pervasive indoor tracking systems
... the location fusion algorithm on top of the orientation fusion, it makes no accuracy difference, when compared to the one where only the location fusion is applied This is because fusing the location ... Chipchase and R Grignani, “Where’s the phone? a study of mobile phone location in public spaces,” in Proc 2nd Int Conf Mobile Technology, Applications and Systems, Guangzhou, pp 1-8, 15-17 Nov 2005 ... Positioning Indoor Navigation and 154 Location Based Service (UPINLBS), pp.1-4, ISBN: 978-1-4244-7880-4, Dec 2010 [58] E Vildjiounaite, E J Malm, J Kaartinen, and P Alahuhta, ? ?Location estimation indoors
Ngày tải lên: 09/09/2015, 11:09
Exposure generated by cough released droplets in the indoor environment a comparison among four ventilation systems
... outdoors penetrating through building envelope drawn in by ventilation systems or can be emitted from the indoor source. Indoor source can be cooking, building materials, consumer products or ... infectious disease spread. Several ventilations systems are currently used in office environments. These systems generate very different air patterns in the indoor environment. Mixing Ventilation (MV) ... momentum while air mixes inside indoor environment. Personalized Ventilation (PV) is designed to deliver conditioned (cool and clean) outdoor air to the breathing zone of the occupant. The amount
Ngày tải lên: 11/09/2015, 10:01
An indoor positioning system based on robust location fingerprint for wi fi and bluetooth
... MN’s location and returns the location information... system An indoor positioning system generally refers to a network infrastructure within a building that helps to provide location ... positions within the building Note that the terms location and. .. signal strength based location fingerprints for wireless indoor positioning systems Traditionally, the received signal strength ... between easily measurable signal characteris9 2.1 Taxonomy of Indoor Positioning Systems tics (e.g., RSS) and location These location fingerprinting solutions try to build a positioning
Ngày tải lên: 14/09/2015, 08:25
One stop doc endocrine and reproductive systems jewels, caroline
... Adrenocorticotrophic hormone Growth hormone Follicle-stimulating hormone Luteinizing hormone Thyroid-stimulating hormone; Prolactin Antidiuretic hormone and oxytocin... hormone GI, gastrointestinal; ... gonadotrophin-releasing hormone; GHRH, growth hormone-releasing hormone; ACTH, adenocorticotrophic hormone; GH, growth hormone; PRL, prolactin; IGFs, insulin-like growth factors Endocrine systems and ... gonadotropin-releasing hormone; CRH, corticotropin-releasing hormone; GHRH, growth hormone-releasing hormone; PIF, prolactin-inhibiting factor; LH, luteinizing hormone Endocrine systems and the
Ngày tải lên: 19/03/2016, 23:17
Lecture Systems analysis and design with UML (3 e) Chapter 2 Project initiation, project management requirements determination
... Chapter 2: Project Initiation, Project Management & Requirements Determination PowerPoint Presentation for Dennis, Wixom, & Tegarden Systems Analysis and Design with UML, 3rd Edition Copyright © ... & Tegarden Systems Analysis and Design with UML, 3rd Edition Copyright © 2009 John Wiley & Sons, Inc All rights reserved Successful Projects • Cost At project completion, no more money has been ... Tegarden Systems Analysis and Design with UML, 3rd Edition Copyright © 2009 John Wiley & Sons, Inc All rights reserved PROJECT IDENTIFICATION PowerPoint Presentation for Dennis, Wixom, & Tegarden Systems
Ngày tải lên: 16/05/2017, 13:42
Lecture Systems analysis and design with UML (3 e) Chapter 4 Requirements determination
... Chapter 4: Requirements Determination PowerPoint Presentation for Dennis, Wixom, & Tegarden Systems Analysis and Design with UML, 3rd Edition Copyright © ... Presentation for Dennis, Wixom, & Tegarden Systems Analysis and Design with UML, 3rd Edition Copyright © 2009 John Wiley & Sons, Inc All rights reserved REQUIREMENTS DETERMINATION PowerPoint Presentation ... Tegarden Systems Analysis and Design with UML, 3rd Edition Copyright © 2009 John Wiley & Sons, Inc All rights reserved Determining Requirements • Requirements are best determined by systems analysts
Ngày tải lên: 16/05/2017, 13:42
DSpace at VNU: Variable range hopping in finite one-dimensional and anisotropic two-dimensional systems
... Keywords: Variable range hopping; Finite 1D systems; Anisotropic 2D systems Introduction The variable-range hopping (VRH) conduction in low-dimensional systems has recently received a significal ... Physica B 334 (2003) 88–97 Variable range hopping in finite one- dimensional and anisotropic two-dimensional systems Van Lien Nguyena,b,*, Dinh-Toi Dangc a Theoretical Department, Institute ... quasi-1D to 2D crossover in the percolation radius of finite systems as the impurity concentration s increases, in the limit of infinite systems two percolations, longitudinal and transverse, are
Ngày tải lên: 16/12/2017, 02:51
Sectin one building systems
... additional components, or subsystems, into a building More advanced buildings consist of numerous subsystems, which are referred to as systems in this book when they are major components Major subsystems ... BUILDING SYSTEMS The simplest building system consists of only two components One component is a floor, a flat, horizontal surface on which human activities can take place The 1.10 SECTION ONE other ... as: What does each component (or subsystem) do? What does the component it to? How does the component serve its function? What else does the component do? Why does the component the things it does?
Ngày tải lên: 01/05/2018, 10:10
An indoor navigation systems for smartphones
... Accuracy achieved with other indoor navigation systems We compared the accuracy of our application with other smartphone based indoor navigation systems previously mentioned in our background research ... However none of these solutions integrate all the desired aspects of an indoor navigation system to meet the four criteria mentioned above 1.3 Contributions In this report we present an indoor ... for indoor navigation In Intelligent Transportation Systems Conference, 2007 ITSC 2007 IEEE, pages 885 – 890, September 2007 [7] Jaewoo Chung, Matt Donahoe, Chris Schmandt, and et al Indoor location
Ngày tải lên: 01/06/2018, 14:51
Báo cáo hóa học: " Research Article INEMO: Distributed RF-Based Indoor Location Determination with Confidence Indicator" doc
... environmental complexity The simulation results demonstrate the efficiency of the proposed RF-based indoor location determination This paper is organized as follows Section presents a brief survey of related ... our future work RELATED WORK Many efforts have been made to provide reliable indoor location service The active badge location system [4] is an early user-tracking system The building is populated ... large impact on RSSI measurements For one transmitter, different receivers measure different RSSI readings, while one Characteristics of RSS difference In indoor positioning applications, anchors...
Ngày tải lên: 22/06/2014, 06:20
Algorithms and performance analysis for indoor location tracking systems
... realization of cost-effective practical indoor location tracking systems 1.2 Overview of Existing Indoor Location Tracking Systems In this chapter, we classify the practical indoor tracking methods into ... vector of location error η location error distance γ location error angle J Jacobian matrix Pr probability Nte number of testing samples Ste set of testing samples l vector of pedestrian location ... many real-world indoor applications Therefore, accurate indoor location tracking must rely on other technologies and infrastructure The past decade has witnessed the proliferation of indoor wireless...
Ngày tải lên: 10/09/2015, 08:24
The Impact of Signal Bandwidth on Indoor Wireless Systems in Dense Multipath Environments
... locations for receiver location The black dot on the receiver grid denotes the location of grid point (0, 0) 95 Figure 5.10 - NLOS transmitter and receiver locations for receiver location ... contain either one multipath component or no multipath component with the possibility of more than one path per bin excluded [1] For convention, = (time of the first arriving component), = , t2 ... receiver locations for receiver locations Rx005– Rx008 The black dot on the receiver grid denotes the location of grid point (0,0) 93 Figure 5.6 - NLOS transmitter and receiver locations...
Ngày tải lên: 20/11/2012, 11:36
Basic books applied economics thinking beyond stage one
... are prone to what might be called one- stage thinking ONE- STAGE THINKING When I was an undergraduate studying economics under Professor Arthur Smithies of Harvard, he asked me in class one day ... making housing "affordable" often seem very attractive when thinking no further than stage one However, even in stage one, there is a fundamental difference between truly bringing down the costs of ... that all economic systems must find ways of restricting and denying the use of both resources and finished products through one mechanism or another In some systems this is done by imposing rationing...
Ngày tải lên: 02/04/2014, 17:28
Thinking Beyond Stage One (2004)
... are prone to what might be called one- stage thinking ONE- STAGE THINKING When I was an undergraduate studying economics under Professor Arthur Smithies of Harvard, he asked me in class one day ... making housing "affordable" often seem very attractive when thinking no further than stage one However, even in stage one, there is a fundamental difference between truly bringing down the costs of ... that all economic systems must find ways of restricting and denying the use of both resources and finished products through one mechanism or another In some systems this is done by imposing rationing...
Ngày tải lên: 09/04/2014, 17:47
scalable decentralized object location and routing for large scale peer to peer systems
... requirements of such applications and systems [1, 2, 5, 8, 10, 15] One of the key problems in large-scale peer-to-peer applications is to provide efficient algorithms for object location and routing within ... look at Figure illuminates why incorporating the state of nodes mentioned in the routing and neighborhood tables from stage one provides good representatives for The circles show the average ... within obtains the state from the entries each circle, albeit off-center In the second stage, discovered in stage one, which are located at an average distance equal to the perimeter of each respective...
Ngày tải lên: 28/04/2014, 13:40
physics of zero and one dimensional nanoscopic systems, 2007, p.346
... Hall systems, transport through molecular bridges, coherence and interaction in diffusive mesoscopic systems, persistent current in mesoscopic rings, and, the thermoelectric phenomena of nanosystems ... from macro-scale systems to nano-scale systems The review article by Gilles Montambaux in the seventh chapter gives a nice introduction to coherent effects in disordered electronic systems Avoiding ... of Edge States in Nanographite Systems Katsunori Wakabayashi 103 Thermoelectric Phenomena from Macro -Systems to Nano -Systems K A Chao, Magnus Larsson...
Ngày tải lên: 04/06/2014, 15:01