Filters








36,608 Hits in 4.5 sec

A feature ontology to support construction cost estimating

SHERYL STAUB–FRENCH, MARTIN FISCHER, JOHN KUNZ, KOS ISHII, BOYD PAULSON
2003 Artificial intelligence for engineering design, analysis and manufacturing  
The feature ontology provides the structure for transforming designer-focused product models into feature-based product models that support cost estimating.  ...  We also describe the framework we developed that uses the ontology to represent features in a project-independent way so that they can be reused from project to project to create estimator-focused feature-based  ...  Create Feature-based Product Models to Support Construction Cost Estimating FeaGen transforms a designer-focused product model into a feature-based product model that supports cost estimating uses the  ... 
doi:10.1017/s0890060403172034 fatcat:aqpdncwt55daphysrq4rk6mp5y

Page 253 of American Society of Civil Engineers. Collected Journals Vol. 17, Issue 4 [page]

2003 American Society of Civil Engineers. Collected Journals  
Conclusions Our research formalized an ontology for relating features and activities, implemented the ontology in a software prototype to support the cost estimation of building components, and validated  ...  Without automated support to help esti- mators generate and maintain construction costs, estimators rely JOURNAL OF COMPUTING IN CIVIL ENGINEERING © ASCE / OCTOBER 2003 / 253  ... 

Establishing Formalized Representation of Standards for Construction Cost Estimation by using Ontology Learning

Zhe Liu, Zhiliang Ma
2015 Procedia Engineering  
The approach lays a foundation for the practical use of ontology for automating construction cost estimation.  ...  In order to automate the processes of construction cost estimation for estimators.  ...  Acknowledgements This research is supported by "National Natural Science Foundation of China" (No. 51278279), "Tsinghua University Research Fund" (No. 2011THZ03) and Glodon Software Company Limited.  ... 
doi:10.1016/j.proeng.2015.10.093 fatcat:e2m7quo5fbdwffkucli5ix4obm

Ontology-Based Representation and Reasoning in Building Construction Cost Estimation in China

Xin Liu, Zhongfu Li, Shaohua Jiang
2016 Future Internet  
Ma et al. [1] developed a program of cost estimation for tendering based on BIM, and Staub-French et al. [6] presented an ontology to represent estimators' rationale regarding the features relating building  ...  To solve these problems, a building construction cost estimation model based on ontology representation and reasoning is established, which includes three major components, i.e., concept model ontology  ...  Acknowledgments: This research was financially supported by National Natural Science Foundation of China under grant number 51178084.  ... 
doi:10.3390/fi8030039 fatcat:ixun2q2umzethc4a5huvfdy64a

Reasoning about component similarity in building product models from the construction perspective

Sheryl Staub-French, Madhav Prasad Nepal
2007 Automation in Construction  
Identifying the design features that impact construction is essential to developing cost effective and constructable designs.  ...  We implemented this reasoning process in a prototype cost estimating application, Activity-based Cost Estimating (ACE), which creates and maintains cost estimates based on a building product model.  ...  The feature ontology provides the blue-print for the additions and changes needed to transform an IFC-based product model into a product model that is useful to cost estimators of building construction  ... 
doi:10.1016/j.autcon.2007.02.013 fatcat:xydmeppva5eurieqh6lw6h5ssm

Integrating distributed sources of information for construction cost estimating using Semantic Web and Semantic Web Service technologies

Mehrdad Niknam, Saeed Karshenas
2015 Automation in Construction  
The estimating approach presented in this paper relies on BIM, estimating knowledge, and construction material cost data expressed in a web ontology language.  ...  This paper discusses a new approach to construction cost estimating that uses Semantic Web technology.  ...  Although Semantic Web technology is being used in web commerce, its application to construction cost estimating requires that the construction industry further defines and standardizes the ontologies,  ... 
doi:10.1016/j.autcon.2015.04.003 fatcat:f75ginlhhredjctgkcfwdfe5sm

Applying Organizational Semiotics for Developing Knowledge-Based Cost Estimation of Construction Project [chapter]

Shen Xu, Kecheng Liu, Llewellyn CM Tang
2015 IFIP Advances in Information and Communication Technology  
Cost estimation is a dynamic and knowledge intensive process. Current practice of construction cost estimation is a process with fragmented knowledge.  ...  This research highlights the importance of alignment between semantic (domain ontology) and pragmatic (meaning in use), it contributes also to identify a new approach of knowledge engineering for construction  ...  Because in addition to material quantities, product features, such as openings and repetition, also affect construction costs [4] .  ... 
doi:10.1007/978-3-319-16274-4_9 fatcat:m2aje4ffj5dw3kfs5lfsfsftuu

E-maintenance platform design for public infrastructure maintenance based on IFC ontology and Semantic Web services

Min Hu, Yunru Liu
2019 Concurrency and Computation  
A cost estimation case is provided in this paper to illustrate the implementation mechanism and validate the proposed approach.  ...  As an important kind of infrastructure, a tunnel's life is estimated to be 100 years or more.  ...  Lee et al put forward an ontological inference process to output appropriate work items from the BIM model. 34 Liu et al established a cost estimation model based on ontology representation and reasoning  ... 
doi:10.1002/cpe.5204 fatcat:r3ioum4bjjbidhrb66kcdvmidu

A framework for integrating syntax, semantics and pragmatics for computer-aided professional practice: With application of costing in construction industry

Shen Xu, Kecheng Liu, Llewellyn C.M. Tang, Weizi Li
2016 Computers in industry (Print)  
to establish an innovative means of taking data from the BIM 6 linked to a project, and using it to create the necessary items for a bill of quantity that 7 will enable cost estimation to be undertaken  ...  In order to achieve this, a prototype is created that allows a cost 13 item for the bill of quantity to be spontaneously generated, by means of the semantic 14 web ontology and a forward chain algorithm  ...  Figure 6 6 Example of Analytical Cost Estimation Ontology with IFC Instances Figure 8 8 Knowledge-based Cost Estimation Application Process 22 688 In fact, the principle behind BIM was to construct  ... 
doi:10.1016/j.compind.2016.08.004 fatcat:jjbdltszbnaonlxqxqsxabtd4q

Ontology-Based Feature Modeling for Construction Information Extraction from a Building Information Model

Madhav Prasad Nepal, Sheryl Staub-French, Rachel Pottinger, Jiemin Zhang
2013 Journal of computing in civil engineering  
The software prototype uses the ontology to transform the designer-focused BIM 14 into a construction-specific feature-based model (FBM).  ...  This 9 paper describes a novel approach that utilizes ontology-based feature modeling, automatic 10 feature extraction based on ifcXML, and query processing to extract information relevant to 11 construction  ...  practitioners, 264 such as cost estimators, construction planners, and site coordinators.  ... 
doi:10.1061/(asce)cp.1943-5487.0000230 fatcat:ffxkdwd3fbbdjnq3m3m4hj7dga

A generic feature-driven activity-based cost estimation process

Sheryl Staub-French, Martin Fischer, John Kunz, Boyd Paulson
2003 Advanced Engineering Informatics  
Current tools and methodologies lack ways to help estimators customize construction cost information according to their preferences and the particular features in a given design.  ...  Understanding how the building design influences construction costs is a challenging task for estimators.  ...  Acknowledgements We gratefully acknowledge the support of the following organizations: the Center for Integrated Facility Engineering at Stanford University, the National Science Foundation  ... 
doi:10.1016/s1474-0346(03)00017-x fatcat:kcgkxs7aqffeljk2wckjfbxgz4

A Case Study of Ontology-Driven Development of Intelligent Educational Systems

Gordon Deline, Fuhua Lin, Dunwei Wen, Dragan Gaševic, Kinshuk
2009 International Journal of Web-Based Learning and Teaching Technologies  
Following review of the e-Advisor system and its development, we looked at how to formalize ontology-driven software construction.  ...  Following a review of literature related to ontology development, ontology-driven software development, and traditional software engineering, we developed an ontology-driven software development methodology  ...  and cost/effort estimates determined.  ... 
doi:10.4018/jwltt.2009010105 fatcat:4torcq4svjdmroaafnjbxlsjpm

Ontology Supported Recombination of Multi-Models [chapter]

Eko Nityantoro, Raimar J. Scherer
2013 IFIP Advances in Information and Communication Technology  
An ontology model is used as a resource to gather, store and manage the meta-information about the multimodels.  ...  As a part of Semantic Web technology, the ontology is able to describe the meaning of each multi-model. Furthermore, it creates the possibility of inferring information to a logical pattern.  ...  The research in this paper was enabled by the financial support  ... 
doi:10.1007/978-3-642-40543-3_28 fatcat:xoyhsqf5yvgqxgbm7muhjf2fya

Ontological Approach to New Product Development

Mohsen Karimi Haghighi, Dirk J. Pons
2014 Journal of Industrial and Intelligent Information  
A system engineering approach is applied to this area, using ontologies.  ...  Repetition of this process has the potential to progressively remove the uncertainties and optimize the NPD process as a while.  ...  These variables are important for estimating cost of product that can be calculated from product costs (total operating cost, total engineering cost, general and administrative cost, development cost,  ... 
doi:10.12720/jiii.2.2.98-107 fatcat:fcrk2d5sefdxlcchq22yn5szkq

DATA MODELING FOR OPERATION AND MAINTENANCE OF UTILITY NETWORKS: IMPLEMENTATION AND TESTING

F. Fossatti, G. Agugiaro, L. olde Scholtenhuis, A. Dorée
2020 ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences  
It tests the ontology's support for asset management by simulating a street reconstruction project and retrieving necessary project information in relation to a utility's (a) maintenance history and performance  ...  This paper, therefore, tests the support of the O&M domain ontology for asset management and proposes a database implementation of this data model.  ...  Ontology.  ... 
doi:10.5194/isprs-annals-vi-4-w1-2020-69-2020 fatcat:6gr74bwsk5eg3m4dxomfjcwv54
« Previous Showing results 1 — 15 out of 36,608 results