Ontology evaluation: An example of delay analysis

2014-06-24
Ontologies have a place in knowledge sharing with their ability to capture real world information in a machine readable environment. Their application varies from any approach structured on ontological commitment to meta -level ontologies serving for variety of purposes. This variety continues also in methodologies for constructing the ontologies. There are wide range of ontologies differing in size and complexity that are created with different design criteria. The main point with the ontologies is their structure and ability to serve for the intended purpose. This is only granted with the continuous evaluation of ontologies in the construction process, and also before release or reuse of the ontology. Ontology evaluation methods cluster around two concepts such as verification methods that ensure the structure of the ontology, and validation methods that examine their applicability in real world. In light of these, different approaches as quantitative and qualitative methods are depicted in literature from subjective evaluations by experts to tools, all of which investigate different characteristics of ontologies. Objectives of this study are to underline the importance of ontology evaluation and to present an employed validation method used during ontology development for delay analysis. In this context, first; literature review on ontology evaluation is presented. Second, a delay analysis ontology is introduced with its basics to lay the foundations of the study. Cases taken from the Turkish construction industry are exemplified to explain the utilized ontology validation process. Comparison of the concepts in the constructed ontology with the expert reports written for each case is used to evaluate the ontology. Furthermore, alternative validation techniques are discussed as well as possible attempts to keep it responsive and up-to-date.

Suggestions

Optimization of well placement in complex carbonate reservoirs using artifical intelligence
Uraz, İrtek; Akın, Serhat; Department of Petroleum and Natural Gas Engineering (2004)
This thesis proposes a framework for determining the optimum location of an injection well by using an inference method, Artificial Neural Networks and a search algorithm to create a search space and locate the global maxima. Theoretical foundation of the proposed framework is followed by description of the field for case study. A complex carbonate reservoir, having a recorded geothermal production history is used to evaluate the proposed framework ( Kizildere Geothermal field, Turkey). In the proposed fram...
Meta-Modeling of Complexity-Uncertainty-Performance Triad in Construction Projects
Dikmen Toker, İrem; Erol, Huseyin; Birgönül, Mustafa Talat (Informa UK Limited, 2020-07-01)
Although conceptualized in various ways within the project management literature, complexity is usually identified as one of the drivers of uncertainty, which may result in deviations from the expected project performance in the construction industry. Effective strategies to manage risk and complexity can only be formulated by understanding the complexity-uncertainty-performance triad in construction projects and modeling the non-linear interactions between these factors. In this study, a meta-modeling appr...
Construction project control through wireless networking
Köseoğlu, Oğuzhan Ozan; Nielsen, Yasemin; Department of Civil Engineering (2004)
In this thesis, the latest developments in mobile telecommunications and mobile devices are investigated in order to integrate wireless connectivity and mobile computing in construction industry core business processes on site. The research includes current technologies and implementation in the construction industry and other industries. Wireless solutions are presented in order to improve information flow, quality of data, control and coordinate business processes in construction companies. The Marmaray p...
Robust Kalman filtering for small satellite attitude estimation in the presence of measurement faults
Söken, Halil Ersin; Sakai, Shin-ichiro (Elsevier BV, 2014-03-01)
In normal working conditions it is possible to achieve sufficient attitude estimation accuracy for a satellite using regular Kalman filter algorithm. On the other hand, when there is a fault in the measurements, the Kalman filter fails in providing the required accuracy and may even collapse over time. In this paper, a Robust Kalman filtering method is proposed for the attitude estimation problem. By using the proposed method both the Extended Kalman Filter and Unscented Kalman Filter are modified and the n...
SIMULATION CONCEPTS FOR INFORMATION-SYSTEM
MOURANT, RR; Tarı, Zehra Sibel (Elsevier BV, 1993-09-01)
Recent Improvements in document image systems and their low-cost implementation on networks of microcomputers is leading to the reengineering of many information systems. We describe how document image systems can be applied to information systems. In order to compare the performance of a conventional information system with one implemented with document imaging processing capability we conducted a discrete event simulation. We modeled the conventional information system for processing graduate student ...
Citation Formats
G. Bilgin, İ. Dikmen Toker, and M. T. Birgönül, “Ontology evaluation: An example of delay analysis,” 2014, vol. 85, Accessed: 00, 2020. [Online]. Available: https://hdl.handle.net/11511/39137.