the changing technology of space and time

... Institute of Standards and Technology. ODMG, 1994, Response to the March 1994 ODMG-93 commentary SIGMOD Record, 23(3), 3–7 OLANDER, L and CARLSTEIN, T., 1978, The study of activities in the quaternary ... PARKES, D and THRIFT, N (eds) Timing Space and Spacing Time, Vol 2, Human Activity and Time Geography, Lund: Royal University of Lund, pp 198–213 ORNSTEIN, R.E., 1969, On the Experience of Time, ... databases 39 social models 2 soil maps 35 space 17 absolute space 9 relative space 13, 16 space-time entity representation 5 space-time maps 14 space-time path 16, 20–5 configuration 21, 47 creation...

Ngày tải lên: 08/08/2014, 00:23

... Principle 5 The Secretary of Energy and the Director of the tional Science Foundation, working with the White House Office of Science and Technology Policy and the Office of Management and Budget and ... dedicated to the furtherance of science and technology and to their use for the general welfare Upon the authority of the charter granted to it by the Congress in 1863, the Academy has a mandate that ... also suggests that these impendingdiscoveries may transform our understanding of the origin of matter and energyand the ongoing evolution of the universe The limitations of the Standard Model are...

Ngày tải lên: 14/03/2014, 10:20

... EXPLORING THE STRUCTURE OF SPACE AND TIMEof space and time The application of this new theory to predict the outcome ofblack hole evaporation and the nature of the big bang singularity • The continued ... system—the precession of theorbit of Mercury and the bending of light by the Sun Over the ensuing decadestheoretical analyses deepened the understanding of the theory and exhibited therichness and ... that governsthe structure of matter on the largest scales of space and time and thus thestructure of the universe itself Gravity is also central to the quest for a unifiedtheory of all forces...

Ngày tải lên: 12/02/2014, 16:20

... le cadre du mandat ministờrieD Hse de Ậravapren coursÍ, istờrille de 2001, Cette ờuude a ờtờ rờdigờe par Aestandea Coleechia, Dominique Gustes, Dit Pit, Paul Schreyer et [Andrew Wyekofl et a bờnờhcie ... dineriinatoce Los pays Membres ofginaites de TOCDE sont: PAleimagne, UAutcke, la Belgique, le Canada, Je Danemark IBspagne, les Eatin, la Frames, la Gites, Telande Mslande halo le Luxembourg la INorsoge, ... personalisation, avec une reduction des cobts et {elas et une Rabie scare, Les TIC semblent offiries pls grands efes bờnờtiques quand on combine Finvestissement dans ees technologies avee d'autres rmoyens organisationnels,...

Ngày tải lên: 18/03/2014, 11:22

... sweet-chestnut and elm, and the thickets and darkplaces hid the grizzly bear and the hyæna, and the grey apes clamberedthrough the branches And still lower amidst the woodland and marshand open grass ... in the memory of man, and the stormsdrove the waters in many cases scores of miles inland, drowning wholecities And so great grew the heat during the night that the rising of thesun was like the ... the movement of thesky, and then suddenly, as it hung over India, its light had been veiled.All the plain of India from the mouth of the Indus to the mouths of theGanges was a shallow waste of...

Ngày tải lên: 22/03/2014, 23:20

... segment removed If the set S lies to the past of the horizontal line, the line will cast a shadow and there will be points just to the future of the line that are not in the future of S There will be ... that the mixing isindependent of the details of the collapse in the limit of late times It depends only on the Trang 26surface gravity κ that measures the strength of the gravitational field on the ... generator of the boundary of the future of S that goes back to the end of the horizontal 4 Trang 5+ + I generators of (S) with past end point on S line However, as the end point of the horizontal...

Ngày tải lên: 24/04/2014, 17:06

... space and time in GIS Time Geography provides a conceptual framework for capturing the semantics of space and time This book introduces the reader to the framework abstractions developed in Time ... journal The series includes single-and multiple-author research monographs, often based upon PhD theses single-and the like, and special collections of thematic papers The need We believe that there ... Geography They are of primordial importance for handling spatio-temporal data in GIS They play an important role as a modelling tool for representing the passage of time and the mechanisms of change The...

Ngày tải lên: 08/08/2014, 00:23

... capture the complexity of space-time interaction at the scale of the smallest indivisible unit in space and space-time, i.e the space-time path (relative space-time view) However, by having space and ... of the space-time path An episode is defined as the length of time during which change occurs, a state exists or an event lasts The length of the space-time path and its angularity with the time ... to keep the record of ‘co-location of events’ of space-time paths of a number of entities The outcome is a web formed by the interrelations of individual trajectories of several space-time paths...

Ngày tải lên: 08/08/2014, 00:23

... view of the models of the system The class diagram, the object diagram, the module diagram and the process diagram are used to capture the semantics within the logical and physical models In the ... Rumbaugh and HOOD; and OOATool supporting the Coad-Yourdon method The current stage in the history of the object-oriented paradigm is characterised by an awareness of the issues related to the necessity ... objects, inheritance of attributes and procedures from supertypes (superclasses), and the ability to define the type (class) of objects, their attribute types and relationships However, they differ substantially...

Ngày tải lên: 08/08/2014, 00:23

... space-time path. Trang 6location of the observer on the space-time path, not the space-time path itself The historical view of the observer is reduced to the perception of nearness of states and ... on the space-time path of a lifespan of an entity The demise circumstance characterises the closure of a space-time path It can occur on the space-time path at any time during the lifespan of ... specifications and interaction descriptions The STDM is primarily constructed from the viewpoint of the fused space and time dimensions rather than the dimensions themselves and their orthogonality The space-time...

Ngày tải lên: 08/08/2014, 00:23

... including the properties defined for the Demarcation class: the name of the surveyor in charge of carrying out the demarcation, the map scale used, and the time taken by the surveyor to demarcate the ... specific assumption In other words, there exists a space-time path between the instances of the Assumption class and the GroundFeature class In terms of Figure 6.3 Execution of the public boundary ... properties of the GroundFeature class and inserts them into the VMDS by clicking on the Insert element of the AssumptionGroundFeature menu After creating the state of an instance in the GroundFeature...

Ngày tải lên: 08/08/2014, 00:23

... improvements in the STDM: < The STDM captures the essential semantics (space-time paths, events and states) of an application, and through this model the user sees their problem domain composed of objects ... of objects and the classes to which they belong Classes and their relationships may be further refined, and some classes may be added or deleted The integration of time geography and object orientation ... data model capture the synergy between space and time of a space-time path in Time Geography In terms of STDM, spatio-temporal data types offer the advantage of defining object classes with properties...

Ngày tải lên: 08/08/2014, 00:23

... orientation φ and the orientation of the road element φi is modelled as zero-mean, normally distributed random variable F The standard deviation is σF The values for the standard deviations σB and σF ... corrected if the standard deviation of the orientation would be set to a very small value compared to the standard deviation of the position This decision is not justified because of the often large ... sensor-based estimation of the number of lanes and the subsequent estimation of the vehicle ego pose, namely lateral offset and orientation with respect to the road segment Further work concerns methods...

Ngày tải lên: 12/08/2014, 04:22

... distance from the airbags Always grip the steering wheel on the rim, with your hands in the o'clock and o'clock positions, to minimise the risk of injury to the hands or arms in the event of the airbag ... functions > Press the switch twice with the roof open: The roof is raised Raising Press the switch If the roof is closed, it is raised and the sliding trim opens slightly Do not close the sliding trim ... applying the screwdriver from the toolkit, see page 224, at the point indicated if necessary > Press the switch with the roof open: the roof moves to the fully raised position Controls > When the roof...

Ngày tải lên: 25/12/2013, 22:16

... must first understand them in detail The purpose of this book is to develop an understanding of the navigation and control tasks for the special case of ground vehicles The result of a navigation ... starting at home Furthermore, you know the names of all the streets all the way to the ice cream store and the names of all the nearby streets as well At any point during the trip, you can look ... snapshot of the clock readings of each satellite it can hear. It then subtracts the reading of its own internal clock from the readings of the satellite clocks The difference is the time taken...

Ngày tải lên: 24/03/2014, 01:20

... have are random measurements of the target state that are functions of the locations of the targets and the sensors pos pos Let ζk and sk represent the position vectors of the target and sensor, ... from the top target toward the bottom target, and the track on the bottom target goes stale On the other hand, with H = the horizon is long enough to realize the benefit of crossing the gap, and the ... approximations of the actual belief state For the purpose of control, it is natural to use the internal state of the tracker as one of the inputs to the controller (and it is intuitive that the control...

Ngày tải lên: 21/06/2014, 22:20

... a detection rate of at least DCmin on the validation set The higher the DCmin , the lower the Si , and the vehicle model will perform better on difficult positives On the other hand, more negative ... total of four scales: s : {2, 4, 8, 16} We observe from the examples of Figure that the majority of the contours found in a certain region are horizontal (bin two of the histogram) The other region ... according to the choice of features The first two are trained by using individual features of Haar and HoG The third one is trained on the concatenation of both Haar and HoG features Five thousand (5000)...

Ngày tải lên: 21/06/2014, 22:20

... equal to the negative threshold, is stored in the L− space For all the remaining pixels, is stored in both the L+ and L− spaces Note that the number of pixels in each space is the same as the original ... follows For the selection of the second subimage, the Manhattan distances between LMV[0] of the first subimage and LMV[0]s of the remaining subimages are derived Then, the subimage with the smallest ... which part of the algorithm is performed The second and third columns show the RMSE and the number of execution cycles The ARM Developer Suite 1.2 is used for measuring the clock cycle, and the target...

Ngày tải lên: 22/06/2014, 00:20

... is the iteration number and The key to the optimization is to obtain the gradient of the cost in (15) with respect to the HR image z and the bias vector b It can be shown that the gradient of the ... Award, the 2006 Alumni Award in Teaching In 1999, he received the School of Engineering Award of Excellence in Teaching at the University of Dayton and was the recipient of the first annual Professor ... Professor of the Year Award in 2002 from the Student Chapter of the IEEE at the University of Dayton His research interests include a wide variety of topics in the area of digital signal and image...

Ngày tải lên: 22/06/2014, 19:20