CumInCAD is a Cumulative Index about publications in Computer Aided Architectural Design supported by the sibling associations ACADIA, CAADRIA, eCAADe, SIGraDi, ASCAAD and CAAD futures
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In Sweden representatives from the construction and building management
industry have put forward a research and development program called: "IT-Bygg#2
2002 - Implementation". It aims at making IT the vehicle for decreasing the building
costs and at the same time getting better quality and efficiency out of the industry.
The presented strategy is based on a seminar with some of the most experienced
researchers, developers and practitioners of CAD in Sweden. The activities were
recorded and annotated, analyzed and put together afterwards.
The proposal in brief is that object oriented distributed CAD is to be used in the long
perspective. It will need to be based on international standards such as STEP and it
will take at least another 5 years to get established.
Meanwhile something temporary has to be used. Pragmatically a "de facto
standard" on formats has to be accepted and implemented. To support new users of
IT all software in use in the country will be analyzed, described and published for a
national platform for IT-communication within the construction industry.
Finally the question is discussed "How can architect schools then contribute to IT
being implemented within the housing sector at a regional or national level?" Some
ideas are presented: Creating the good example, better support for the customer,
sharing the holistic concept of the project with all actors, taking part in an integrated
education process and international collaboration like AVOCAAD and ECAADE.
From the viewpoint of content-based retrieval, the researcher analyzes spatial information of a floor plan, with a focus on the apartment unit floor plan common in Korea. Then the metadata items are extracted in a structured manner. To manage the items efficiently, the researcher develops a data model for spatial information according to the concept of the “Structured Floor Plan”. The main object of content to retrieve is a spatial network that consists of nodes of spaces and their linkages. There are two ways to organize the metadata: the traditional index files and the RDF (Resource Description Framework). While the index files are still efficient with computability, the RDF applies greater options to retrieve, such as fuzzy predicates, semantic predicates, and so on. To exploit the metadata, this research shows several possibilities of query operations that present a set of sample queries about L-DK(Living room – Dining room – Kitchen). Implementation of the prototype system is divided into three parts: 1) a modeling module using Vitruvius; 2) an indexing module using MS SQL Server? 2000 in conjunction XML; and 3) a browsing module using the SpaceScope browser.
The future works may consider XML-based databases and a knowledge based query language, such as RQL/XQL, working on such databases. The more specific domain knowledge is involved, the more practical systems would be. Even in architecture, there may be a diverse range of domain knowledge, such as design, building performance, facility management, energy management, post occupied evaluation, historical research, and so on. Also the issue of interface should be investigated in depth, so that it will be adequate to the needs of the architectural field.
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