CAJ | 학술논문

分析了时空表达与建模理论的5个发展阶段:基于静态数据模型扩展、面向对象表达、基于对象变化(事件序列)、时空集成和以过程为核心的时空数据模型;阐述了时空数据模型在时空动态语义、地理时空认知表达和地球信息科学解决的基本问题方面的研究现状,并指出由于现有时空数据模型主要以地理实体存在状态的"对象视图"或"事件视图"(而不是演变特性的"过程视图")作为表达载体,割裂了其内在联系,无法实现复杂地理实体的时空语义描述和动态过程分析.最后,提出以地理实体演变为核心的时空语义描述方法和融入地理对象、变化机制、对象变化的时空动态表达将是时空表达与建模理论的发展趋势.
분석료시공표체여건모이론적5개발전계단:기우정태수거모형확전、면향대상표체、기우대상변화(사건서렬)、시공집성화이과정위핵심적시공수거모형;천술료시공수거모형재시공동태어의、지리시공인지표체화지구신식과학해결적기본문제방면적연구현상,병지출유우현유시공수거모형주요이지리실체존재상태적"대상시도"혹"사건시도"(이불시연변특성적"과정시도")작위표체재체,할렬료기내재련계,무법실현복잡지리실체적시공어의묘술화동태과정분석.최후,제출이지리실체연변위핵심적시공어의묘술방법화융입지리대상、변화궤제、대상변화적시공동태표체장시시공표체여건모이론적발전추세.
Theories of spatio-temporal representation and modeling are systematically analyzed and reviewed,which developed five stages with expansion based on static data models,object-oriented ones,based on object changes or event sequences ones,space-time integrated ones,and process-cored ones.Research status on spatio-temporal dynamic semantics,representation types of geographical entities,and scientific issues in geoinformatic domains are discussed,then the shortcomings are pointed out.Since the "view-objected" or "view-evented" with the snapshot,instead of the "view-processed" with the properties of evolution,is taken as representation,the intrinsic characteristics of dynamic entities are split.Therefore,it is not easy to carry out the spatio-temporal dynamic semantics description and dynamic functions operations of complex geographical entities.In the end,the describing methods of dynamic semantics which take the geographical evolution as a core,and the dynamic representing framework which brings into geographical objects,change mechanisms,and object changes,are presented,which are future studies of the spatio-temporal representation and modeling.Then the main researches on dynamic semantics,representation framework and integration mechanisms are discussed.