离开 发表于 2025-3-25 03:43:18
Sidharta Gautama,Johan D’Haeyer,Wilfried Philipsngineering profession as it has developed in the United States, the classic engineering goal of pursuing use and convenience has gone through a trajectory of interpretation from company loyalty to a commitment to public safety, health, and welfare. The second case considers relationships between ethBALK 发表于 2025-3-25 10:48:17
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Basic Notions and Rationale of the Handling of Imperfect Information in Spatio-Temporal Databasesce and time. Space and time are, therefore, the logical prerequisites of all human experience. As such they are used as a framework for querying and reasoning. The perspectives in this book are limited to querying and reasoning about information kept in databases and that carries time and space aspeNarrative 发表于 2025-3-25 17:57:57
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The Applicability of Generalized Constraints in Spatio-Temporal Database Modelling and Queryingtraints provide a declarative and elegant means to represent data in an efficient way. Moreover, constraints support the definition of data semantics. For example, the set of valid temperatures . on earth can be defined as ranging from a high of 57 degrees Celcius to -70 degrees Celcius, which can b手势 发表于 2025-3-26 19:43:09
An Error Tolerant Parser for Natural Language Queries in GISshe areas where maps are used. The major application areas include environmental studies, agriculture, transportation and traffic control, oil and mining industries, military, tourism, archaeology, and many others. Users in a large number of areas apply GISs as tools to support their needs for geogra