Doğan, Sevgi Zeynep
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Dogan Erdogmus, Sevgi Zeynep
Erdoğmuş, Sevgi Zeynep Doğan
Erdogmus, Sevgi Zeynep Dogan
Doǧan, S. Zeynep
Dogan, S. Zeynep
Dogan, Sevgi Zeynep
Doğan, Sevgi
Dogan, Sevgi
Doğan Erdoğmuş, Sevgi Zeynep
Erdoğmuş, Sevgi Zeynep Doğan
Erdogmus, Sevgi Zeynep Dogan
Doǧan, S. Zeynep
Dogan, S. Zeynep
Dogan, Sevgi Zeynep
Doğan, Sevgi
Dogan, Sevgi
Doğan Erdoğmuş, Sevgi Zeynep
Job Title
Email Address
sevgidogan@iyte.edu.tr
Main Affiliation
02.02. Department of Architecture
Status
Current Staff
ORCID ID
Scopus Author ID
Turkish CoHE Profile ID
Google Scholar ID
WoS Researcher ID
Sustainable Development Goals
1NO POVERTY
0
Research Products
2ZERO HUNGER
0
Research Products
3GOOD HEALTH AND WELL-BEING
0
Research Products
4QUALITY EDUCATION
9
Research Products
5GENDER EQUALITY
0
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6CLEAN WATER AND SANITATION
0
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7AFFORDABLE AND CLEAN ENERGY
1
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8DECENT WORK AND ECONOMIC GROWTH
7
Research Products
9INDUSTRY, INNOVATION AND INFRASTRUCTURE
10
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10REDUCED INEQUALITIES
0
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11SUSTAINABLE CITIES AND COMMUNITIES
0
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12RESPONSIBLE CONSUMPTION AND PRODUCTION
3
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13CLIMATE ACTION
1
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14LIFE BELOW WATER
0
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15LIFE ON LAND
0
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16PEACE, JUSTICE AND STRONG INSTITUTIONS
0
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17PARTNERSHIPS FOR THE GOALS
0
Research Products
Documents
9
Citations
533
h-index
6
Documents
0
Citations
0
Scholarly Output
18
Articles
5
Views / Downloads
18352/10812
Supervised MSc Theses
6
Supervised PhD Theses
1
WoS Citation Count
226
Scopus Citation Count
533
Patents
0
Projects
1
WoS Citations per Publication
12.56
Scopus Citations per Publication
29.61
Open Access Source
15
Supervised Theses
7
| Journal | Count |
|---|---|
| Journal of Construction Engineering and Management - ASCE | 2 |
| ASEE Annual Conference and Exposition, Conference Proceedings -- 119th ASEE Annual Conference and Exposition -- 10 June 2012 through 13 June 2012 -- San Antonio, TX -- 91898 | 1 |
| Construction Research Congress 2012: Construction Challenges in a Flat World | 1 |
| Construction Research Congress 2014: Construction in a Global Network | 1 |
| International Journal of Project Management | 1 |
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18 results
Scholarly Output Search Results
Now showing 1 - 10 of 18
Article Citation - WoS: 87Citation - Scopus: 100Determining Attribute Weights in a Cbr Model for Early Cost Prediction of Structural Systems(American Society of Civil Engineers (ASCE), 2006) Doğan, Sevgi Zeynep; Arditi, David; Günaydın, Hüsnü MuratThis paper compares the performance of three optimization techniques, namely feature counting, gradient descent, and genetic algorithms (GA) in generating attribute weights that were used in a spreadsheet-based case based reasoning (CBR) prediction model. The generation of the attribute weights by using the three optimization techniques and the development of the procedure used in the CBR model are described in this paper in detail. The model was tested by using data pertaining to the early design parameters and unit cost of the structural system of 29 residential building projects. The results indicated that GA-augmented CBR performed better than CBR used in association with the other two optimization techniques. The study is of benefit primarily to researchers as it compares the impact attribute weights generated by three different optimization techniques on the performance of a CBR prediction tool.Master Thesis Exploring Critical Success Factors for Partnering in Architectural Design Process(Izmir Institute of Technology, 2010) Kılıç, Pınar; Doğan, Sevgi Zeynep; Doğan, Sevgi ZeynepPartnering is common to construction companies and success increases by effective partnering. Objective of this thesis is to analyze the critical success factors of partnering and to determine the most important critical success factors of partnering particular to architectural design offices in .zmir. For this purpose, a questionnaire survey is conducted for 104 practicing architects in .zmir. The collected data are analyzed with factor analysis and multiple regression methods. By factor analysis, 7 critical success factors of partnering are determined for the architectural design process. These are; (1) establishment of efficient communication towards mutual goals, (2) willingness to effective coordination, (3) commitment to mutual objectives by clear definition of responsibilities, (4) willingness to eliminate non-value added activities, (5) commitment to win-win attitude by focusing on long-term relationship, (6) mutual trust and (7) support from top management. Multiple regression analysis is conducted to identify the most important critical success factors for partnering success of the architectural design process. The results of the regression analyses suggest that architects state the most important critical success factors leading to partnering success to be respectively as follows: (1) willingness to effective coordination, (2) willingness to eliminate non-value added activities and (3) commitment to win-to-win attitude.Doctoral Thesis Using Machine Learning Techniques for Early Cost Prediction of Structural Systems of Buildings(Izmir Institute of Technology, 2005) Doğan, Sevgi Zeynep; Doğan, Sevgi Zeynep; Günaydın, Hüsnü Murat; Günaydın, Hüsnü MuratIt is desirable to predict construction costs in the early design stages in order tomake sure that target costs are met and competitive prices are realized. This study investigates the possibility of predicting the cost of construction early in the design phase by using machine learning (ML) techniques. To achieve this objective, artificialneural network (ANN) and case based reasoning (CBR) prediction models were developed in a spreadsheet-based format. An investigation of the impacts of weight generation methods on the ANN and CBR models was conducted. The performance of the ANN model was enhanced by experimenting with the weight generation methods of simplex optimization, back propagation training, and genetic algorithms while the CBR model was augmented by feature counting, gradient descent, genetic algorithms (GA), decision tree methods of binary-dtree, info-top and info-dtree.Cost data belonging to the superstructure of low-rise residential buildings were used to test these models. It was found that both approaches were capable of providing high prediction accuracy, 96% for ANN using simplex optimization for weight determination, and 84% for CBR using GA for attribute weight selection. A comparison of the Excel-based ANN and CBR models was made in terms of prediction accuracy, preprocessing effort, explanatory value, improvement potentials and ease of use. The study demonstrated the practicality of using spreadsheets in developing ANN and CBR models for use in construction management as well as the potential benefits of enhancing ANN and CBR models by using different weight generation methods.Conference Object The Cytoprotective Effects of Zinc on Cyclophosphamide Induced Hematoxicity(Elsevier Ltd., 2007) Ayhancı, Adnan; Doğan, Sevgi Zeynep; Appak, Sıla; Doğan, Sevgi[No abstract available]Conference Object Leed Certification: a Comparison of Contractors' Perspectives(Research Publishing Services, 2013) Doğan, Sevgi Zeynep; Günhan, Suat; Gerçek, Bilge; Arditi, DavidThe Leadership in Energy and Environmental Design (LEED) certification system for green buildings has been used extensively in the US and has gained increased attention in developing countries as well. The related literature focuses extensively on the perspectives of owners and designers, whereas constructors' role receives less attention. One significant research is based on a survey administered to 22 contractors, who built LEED certified green building projects in the US. The survey inquired about earned LEED credits and best practices in LEED certification process regarding past experiences. The same survey was administered to seven Turkish contractors, who also built LEED certified green buildings in Turkey. The similarities and differences between US and Turkish constructors' perspectives were studied. Both groups stated that the LEED process was slightly difficult or was just straightforward. US contractors needed a lot of additional time for the LEED documentation; Turkish contractors required no extra time. LEED certification system incurred a little additional cost for US contractors; however Turkish contractors mentioned about up to 10% additional project costs. The achieved LEED credits from materials and resources, and indoor environmental quality by the two groups of contractors were highly correlated. Both groups emphasized the inclusion of LEED documentation and specifications in coordination meetings and in subcontracts to streamline the process; and emphasized the early collaboration of the entire project team for earning LEED credits. Copyright © 2013 by Research Publishing Services.Article Citation - WoS: 6Citation - Scopus: 13Critical Success Factors of Partnering in the Building Design Process(Middle East Technical University, 2015) Doğan, Sevgi Zeynep; Kılıç Çalğıcı, Pınar; Arditi, David; Günaydın, Hüseyin MuratThe construction industry is vertically fragmented because of the inherent nature of construction projects, which require planning, design, letting, construction, and operation in distinct phases (Fellows and Liu, 2012; Fong and Lung, 2007). The construction industry is also horizontally fragmented because of the general tendency of participants to work independently in all phases of the project (Fellows and Liu, 2012; Saram and Ahmed, 2001). Given the increasing number of construction projects in the current global environment, geographical fragmentation is caused by project participants that are frequently geographically separated. The construction industry is also temporally fragmented, as the phases of construction projects diverge over an estimated time period (Luck, 1996). According to Evbuomwan and Anumba (1998), the fragmentation in the industry results in costly engineering changes and design iterations, time and cost increases, poor communication between project participants, neglect of the application of sustainability principles throughout the life cycle of the building, and inadequate coordination and integration of the various participants. The root cause of much of these problems encountered in the management of building projects can be traced back to the design phase.Conference Object Citation - Scopus: 3Coordination Process and Network Centrality in Isgi Airport's Wayfinding Project(American Society of Civil Engineers, 2012) Doğan, Sevgi Zeynep; Günhan, Suat; Erbasaranoglu, BengiCoordination is integral to operational efficiency of construction projects. Coordination process relies on managing dependent activities and the structural centrality in social networks is strategic to project actor's management activity. This study aims to explore the effects of network centrality on coordination performance. Network centrality concepts and coordination theory are examined via Email communication data of Istanbul Sabiha Gökçen International Airport's (ISGIA) New Terminal Building Wayfinding and Signage Design Project (WSDP) actors. E-mail data mining for identifying different coordination dependencies is derived from the constructs of Malone's (1988) coordination theory and used to measure the actors' coordination scores. Social network matrix of information exchange network is constructed to calculate degree, betweenness and closeness centrality measures. ISGIA data analysis suggests a significant relationship between out-degree, outcloseness centrality and coordination. Findings highlight that out- network centralities support the ability of an actor to coordinate the dependent actions of other project actors; and the design and construction practices rely on the central position in a network in mapping effective coordination processes. © 2012 ASCE.Conference Object Citation - Scopus: 9Non-Verbal Cues: Improving Communication in Construction Projects(American Society for Engineering Education, 2012) Gunhan,S.; Senol,G.; Dogan,S.Z.Construction industry is a dynamic, project based industry in where many problems occur due to communication issues. As it is proven that effective communication and conflict resolution abilities have a strong correlation between them, communication in the construction industry should constantly be improved. Unfortunately, the existing construction curricula do not offer enough courses which would help students to communicate effectively. Embedding technical communication into curricula and introducing courses such as Construction Communication aiming on producing construction management (CM) graduates with good writing and speaking skills are necessary. However, written and verbal languages are not the sole means by which individuals exchange information. Non-verbal cues play a significant role in communication. Therefore it is necessary for CM graduates to master the skills of using and reading body language. The literature study for the subject of communication in the education shows that body language and non-verbal communication were not taken into consideration yet. They are primarily the subject areas of anthropologists, linguists, and social psychologists. This paper aims reviewing the role of non-verbal communication skills in construction business and highlights the importance of bringing the topic into classroom. © 2012 American Society for Engineering Education.Conference Object Citation - Scopus: 1Evaluating the Project Coordination Performance Using Information Centrality(American Society of Civil Engineers, 2014) Timurcan, Pelin İpek; Doğan, Sevgi ZeynepEvaluation of coordination performance in a project network requires reliable measures and monitoring methods for effective management. Recent literature includes studies addressing the relationship between coordinative activity and the configuration of communication networks. In these works, the role of network centrality is investigated through the basic standard centrality measures of degree, betweenness, and closeness. Current social network analysis research emphasizes new formulations of centrality measures for robust structural analysis of project networks. This paper presents a novel approach for measuring network centrality using the concept of information centrality. It is based on the idea that all paths carry information. The significance of information centrality values for the actors in a directional signage project at Istanbul Sabiha Gokcen International Airport is investigated. A centrality index is defined for each firm based on the average of the four measures of centrality. Findings suggest the existence of a high correlation between coordination scores and the centrality indexes. A centrality index augmented by an information centrality measure has potential for assessing the coordination performance in construction management research, and it is promising for the structural analysis of project communication networks. © 2014 American Society of Civil Engineers.Master Thesis A Comparison of Centrality Measures for Evaluating the Project Coordination Performance(Izmir Institute of Technology, 2014) Timurcan, Pelin İpek; Doğan, Sevgi ZeynepEvaluation of coordination performance in a project network requires reliable measures and monitoring methods for effective management. Recent literature includes studies addressing the relationship between coordinative activity and the configuration of communication networks. In these works, the role of network centrality is investigated through the basic standard centrality measures of degree, betweenness and closeness. Current social network analysis research emphasizes new formulations of centrality measures for robust structural analysis of project networks. This study presents a novel approach for measuring network centrality using the concept of information centrality. It is based on the idea that all paths carry information. The significance of information centrality values for the actors in two major projects of Enron Corporation is investigated. There are three major findings from these analyses. First finding suggests that highly centralized actors show more coordination. Second finding suggests that information centrality is the most potent predictor for coordination in undirected networks. Third finding is that out-centrality measures are better predictors for coordination performance in directed networks. The implications of these findings have potentials for assessing the coordination performance in construction management research, and it is promising for the structural analysis of project communication networks.