OBJECT-ORIENTED ANALYSIS AND DESIGN CONCEPTS OF SPACE AND TIME Phần 3 ppsx

ED ANALYSIS AND DESIGN CONCEPTS OF SPACE AND TIME Phần 1 docx

... Uncovering space- time paths 242.12 Conclusions 25 3 Object-oriented analysis and design 27 3. 1 History of the object-oriented paradigm 27 3. 2 Choosing an object-oriented method 32 3. 3 The main ... 72 Concepts of space and time 92.1 The space- dominant view 92.2 The time- dominant view 112 .3 The absolute space- time view 122.4 The relative space view 13 2.5 The relative time view 13 2.6 ... an element of the space- time path 222.10 .3 Episode as an element of the space- time path 242.10.4 Evidence as an element of the space- time path 24PREFACExiithe application area of political...

OBJECT-ORIENTED ANALYSIS AND DESIGN CONCEPTS OF SPACE AND TIME Phần 3 ppsx

... in space and time, i.e. the space- time path (relative space- time view). However, by having space and time asorthogonal dimensions, Time Geography requires the absolute view of space and time. ... Zealand in 19 53 time space (c) NewZealand in 1970 time space. (Reprinted by permission of Oxford Press. Source Gatrell 19 83, p. 111)Table 2 .3 Main characteristics of the relative space- time ... representation). Space and time are joined in asingle space- time path. Space and time are considered inseparable within a path, and it is the timing component which gives structure to space and thus...

OBJECT-ORIENTED ANALYSIS AND DESIGN CONCEPTS OF SPACE AND TIME Phần 4 ppsx

... method (Shlaer and Mellor, 1988). OBJECT-ORIENTED ANALYSIS AND DESIGN 35 time, the state of an object involves all properties of this object (usually static) as wellas the current values of these ... prospect of an object-oriented design method. His methodimproves the concepts of object orientation and their respective notations as a whole,overlapping with the concepts of object-oriented analysis. Other ... outstanding potential of object-oriented databases which offersignificant support for handling time, despite the lack of research work carried out in object-oriented databases about valid time. ...

OBJECT-ORIENTED ANALYSIS AND DESIGN CONCEPTS OF SPACE AND TIME Phần 5 doc

... nearness of states and events on the space- time path of a lifespan of an entity.The demise circumstance characterises the closure of a space- time path. It canoccur on the space- time path at any time ... present and future. The actual notion of present, past and future in the STDM relies on theTable 4.1 Main abstractions defined for a space- time path. OBJECT-ORIENTED ANALYSIS AND DESIGN 43 3.5 VERSION ... position of a space- time path(b) Changes to methods: they affect the orientation of a space- time path2 Changes to relationships of classes: they affect the orientation of a space- time path 3 Changes...

OBJECT-ORIENTED ANALYSIS AND DESIGN CONCEPTS OF SPACE AND TIME Phần 8 ppt

... there exists a space- time path between theinstances of the Assumption class and the GroundFeature class. In terms of Figure 6 .3 Execution of the public boundary entry scenario—stage 3 ... understanding of the STDM and the information stored in the database.6.7 CONCLUSIONSThis chapter has illustrated some examples of how space- time paths can be created bya user. The states and ... Demarcationclasses. The origin of a space- time path in the VMDS can never be modified. In thisexample the origin of a space- time path is created once the properties of the Assumptionclass have...

OBJECT-ORIENTED ANALYSIS AND DESIGN CONCEPTS OF SPACE AND TIME Phần 9 pps

... data model capture the synergybetween 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 withproperties ... simultaneously defined in space and time (2D space, time) . Anevent in space and time can be defined as (point, point). Otherwise an event havinga certain period of time could be defined as (point, ... object-oriented design, Proceedings of GIS/LIS’97, pp. 31 6–21.BLOM, T. and LÖYTÖNEN, M., 19 93, Research launch system to monitor epidemics in Finland.GIS Europe, 2(5), 27–9.EMERGING TECHNOLOGIES99 and design...

OBJECT-ORIENTED ANALYSIS AND DESIGN CONCEPTS OF SPACE AND TIME Phần 10 pptx

... 37 sub-typing 37 table versioning 42taxonomy of time 39 TEMPEST 12temporal databases 39 temporal logic 11 time 17absolute time 11cyclical time 13 dimension 38 timestamp 10relative time 13, 16user-defined ... analysis methods 31 object-oriented analysis and design methods 32 choosing a method 32 literature review 27main modelling constructs 36 object-oriented database systems 30 object-oriented design ... 81, 84snapshot databases 39 social models 2soil maps 35 space 17absolute space 9relative space 13, 16 space- time entity representation 5 space- time maps 14 space- time path 16, 20–5configuration...

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