Data model - Wikipedia, the free encyclopedia
|
|
A data model in software engineering is an abstract model that describes how data is represented and accessed. Data models formally define data elements and relationships among data elements for a d...
en.wikipedia.org/wiki/Data_model
|
|
To begin our discussion of data models we should first begin with a common understanding of what exactly we mean when we use the term. A data model is a picture or description which depicts how data is to be arranged to serve a specific purpose. ... Although the data model depicts all possible records types within a structure,
|
www.martymodell.com/dadmc/dadmc07.html
www.martymodell.com/dadmc/dadmc07.html
|
|
|
The abstract data model allows for the following principal levels of representation within an NLG system: ... 1. Conceptual, i.e. non-linguistic representations constructed by external agents in accordance with their own purposes...
|
www.itri.bton.ac.uk/projects/rags/year1-html/node5.html
|
|
|
|
Database : how many types of data models are there? three types,they are object-based logic models,record-based logic models,and physical models. There are no standards in this area. Authors and theorists make it up as they go. ... RE: how many types of data models are there?
|
www.geekinterview.com/question_details/18181
|
|
|
|
The many types of data models are easier to think about if one pictures of them as being part of a general hierarchy. Below is a figure showing the hierarchy of ArcGIS's data models:
|
www.geog.ucsb.edu/~jeff/gis/data_models1.html
www.geog.ucsb.edu/~jeff/gis/data_models1.html
|
|
|
|
www.cba.nau.edu/facstaff/lorents-a/cis310/class/subtop1...
www.cba.nau.edu/facstaff/lorents-a/cis310/class/subtop1_2/sld012.htm
|
|
|
www.cba.nau.edu/facstaff/lorents-a/cis310/class/subtop1...
www.cba.nau.edu/facstaff/lorents-a/cis310/class/subtop1_2/sld013.htm
|
|
D.S. Batory and A.P. Buchmann. Molecular Objects, Abstract Data Types and Data Models: A Framework. In Proc. VLDB '84, pages 172--184, Singapur, 1984. ... D.S. Batory and A.P. Buchmann, Molecular Objects, Abstract Data Types and Data Models: A Framework, in: Proc. 10th Int. Conf. on Very Large Data Bases VLDB '84,
|
citeseer.ist.psu.edu/context/271042/0
|
|
In addition, this data can be further classified into two types of data models: This map shows vector data (the streets) laid on top of raster data (the mountains and valley floor). Vector data model ;
|
www.rain.org/gis/data-classroom/data-types-and-models.h...
www.rain.org/gis/data-classroom/data-types-and-models.html
|
|
