There are numerous definitions of BIM currently in use. Below are several widely recognized by the academic community:
Autodesk, in its Autodesk BIM White Paper, defines BIM as a method used in design, construction, and management that provides real-time access to highly integrated, reliable, high-quality, and collaborative information. Bentley, in its BIM White Paper, describes BIM as a data model applied throughout the project lifecycle within an integrated data management system, encompassing both graphical and non-graphical information.
McGraw Hill Construction, in its publication Building Information Modeling – Planning and Managing Projects with 4DCAD and Simulation, views BIM as a simulation of the design, construction, and operational management processes of a project through a three-dimensional digital model containing all information throughout the project lifecycle. Bilal Succar defines BIM as a collection of interactive technologies, processes, and policies that collectively form a design and project data management approach for the entire lifecycle of construction projects.
The Facilities Information Council of the International Organization for Standardization sees BIM as the process of making the functionality and physical characteristics of facilities, along with their related project lifecycle information, computable or interoperable under open industry standards to support project decision-making and enhance project value delivery.
Among these, the definition provided by the National Building Information Modeling Standard (NBIMS) in the United States is often regarded as the most comprehensive and accurate: BIM is a technology that enhances planning, design, construction, operation, and maintenance processes of buildings. It employs standardized information models to create models for each piece of equipment and building component. These models contain independently created and collected information that can be utilized throughout the project lifecycle. As the project progresses through stages such as planning, design, construction, and operation, information within the model accumulates accordingly.
Drawing on this extensive research, this article defines BIM (Building Information Modeling) technology as a multidimensional (3D, 4D, 5D, nD) model information integration technology. Its core value lies in addressing the fragmentation issues within the construction industry—across professionalism, processes, and organizational structures—by significantly enhancing collaborative integration. This, in turn, improves overall production efficiency and fosters seamless collaboration and integration.
Importantly, BIM is not limited to the visualization of 3D models; its true value rests in providing reliable, timely, and well-organized information. The creation, sharing, management, and application of such information are essential prerequisites for BIM to realize its full potential and functional benefits.
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