Frank Safayeni

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Orlando Cattini Junior

Getulio Vargas Foundation (Fundação Getulio Vargas)

Suryadiputra Liawatimena

BINUS University

Prof. Mona Nasr

Helwan University

Antonio Lieto

University of Salerno

Ozge Alacam

University of Hamburg

Adebayo D Agunbiade

Olabisi Onabanjo University, Ago-Iwoye, Nigeria

Sergio Barile

Sapienza University of Roma

Nikos Mantzakouras

National & Kapodistrian University of Athens

Alex Nero

XIME

Nasreen Kausar

Yildiz Technical University

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Papers by Frank Safayeni

An empirical investigation of two electronic mail systems

Behaviour & Information Technology, 1988

Two electronic mail systems were studied within an organization: an executive system for upper ma... more Two electronic mail systems were studied within an organization: an executive system for upper management and a general system for all employees. The results from 130 interviews indicated that both systems were perceived to contribute to productivity, a reduction in use of memos and a reduction in telephone calls. However, the executive system was perceived to be more satisfactory and

Can group rewards promote helping in asymmetrically imbalanced task relationships?

Cogent Business & Management

This paper investigated whether group-level rewards can counteract the negative effects of asymme... more This paper investigated whether group-level rewards can counteract the negative effects of asymmetric task dependence. Previous research has found that asymmetry (an imbalance in task-related resources, such as work inputs, knowledge, or skills) is correlated with lower levels of helping behavior. In this study, 182 students participated in a work simulation that manipulated symmetry and reward interdependence, and measured helpful behaviors provided to the dependent. The results demonstrate that asymmetry indeed leads to selfish behavior. However, group-level rewards are an effective way to motivate resource controllers to give help to their dependents. Interestingly, group rewards motivate over and above the benefit received from the reward itself-although resource controllers could maximize their own benefit with 2 helping behaviors per round, they gave on average 3.7 to 6.4 helping behaviors per round (95% confidence interval based on 10,000 bootstrap samples). The results demonstrate that in an asymmetrically dependent relationship, grouplevel rewards can motivate helping behavior over and above rational self-interest.

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The Role of Language and Formal Structure in the Construction and Maintenance of Organizational Images

International Studies of Management & Organization, 1998

Using Computational Modeling for Building Theory: A Double Edged Sword

Journal of Artificial Societies and Social Simulation, 2016

Computational modeling is a powerful method for building theory. However, to construct a computat... more Computational modeling is a powerful method for building theory. However, to construct a computational model, researchers need to operationalize their cognitive or verbal theory into the specific terms demanded by the simulation's language. This requires the researcher to make a series of reasonable assumptions to fill unanticipated "specificity gaps." The problem is that many other reasonable assumptions could also have been made, and many of those resulting models would also match the conceptual theory. This is the problem of equifinality. We demonstrate the power and the dangers of computational modeling by building a simulation of a classic small group study. The results demonstrate that reasonable assumptions and equifinality are straightforward (but o en overlooked) problems at the core of genuinely useful methodology. We o er recommendations and hope to open a dialog on other perspectives and solutions.

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Experiments on the Effects of Map Structure and Concept Quantification During Concept Map Construction

Two experiments were conducted. The first experiment compared cyclic and hierarchical concept map... more Two experiments were conducted. The first experiment compared cyclic and hierarchical concept maps, and measured the impact of concept quantification on the construction of both types of maps. The second experiment examined the preference for the two concept map structures. The results showed that structure does have a significant effect on the extent to which propositions imply a dynamic relationship. However, the quantification of the starting concept did not increase the number of dynamic propositions in any of the structures. The second experiment indicated a preference for a cyclic concept map, primarily for structural reasons. The studies, the theoretical background, and the implications of the findings are discussed.

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A review of hierarchical production planning and its applicability for modern manufacturing

Production Planning Control, Apr 27, 2007

Abstract The hierarchical production planning (HPP) paradigm has become an accepted planning and ... more

The retrieval of images from image databases: trademarks

Http Dx Doi Org 10 1080 01449299508914620, Oct 24, 2007

Measuring the Effectiveness of Personal Database Structures

ABSTRACT

Difficulties of Just-in-Time Implementation: A Classification Scheme

Int J Oper Prod Manage, 1991

... A Classification Scheme ... JIT Classification ... example, in one company where one of their... more ... A Classification Scheme ... JIT Classification ... example, in one company where one of their plants was designed to produce a single product line in a JIT manner, the managers and the supervisors were equipped with &amp;quot;walkie-talkie&amp;quot; radios in order to ensure fast communication of ...

Concept Maps: A Theoretical Note on Concepts and the Need for Cyclic Concept Maps

This paper, theoretically, examines concepts, propositions, and establishes the need for and deve... more This paper, theoretically, examines concepts, propositions, and establishes the need for and develops an extension to Concept Maps (CMaps) called Cyclic Concept Maps (Cyclic CMaps). The Cyclic CMap is considered to be an appropriate tool for representing knowledge of functional or dynamic relationships between concepts. The Concept Map (CMap), on the other hand, is viewed as an appropriate tool for representing hierarchical or static knowledge. The two maps complement each other and collectively they capture a larger domain of knowledge, thus forming a more effective knowledge representation tool.

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The Influence of Emergent Expertise on Group Decision Processes

Small Group Research, 2012

This study examines how group decision processes are affected by the perceived emergent expertise... more This study examines how group decision processes are affected by the perceived emergent expertise of a group member in situations where a correct solution is not readily verifiable. Using a moderately judgmental task, as opposed to an intellective task, the results of our experiment suggest that when group members are aware of performance feedback: (a) they gradually form a perception about their colleague’s expertise, (b) the emergence of expert recognition at the group level shifts the balance of individual influence on the group decision in favor of the expert, and (c) the group decision scheme thus changes as the perception of expertise emerges in the group. Moreover, the expert’s influence is stronger when there is a greater discrepancy between the expert’s proficiency and that of his or her fellow group members.

Social meaning of personal computers for managers and professionals: methodology and results

Behaviour It, 1989

The social meaning of personal computers for 34 managers and professionals was measured using a s... more The social meaning of personal computers for 34 managers and professionals was measured using a situational approach. The results, in general, indicated a positive perception towards computers within the context of their work situations. The methodology was developed in an attempt to overcome some of the difficulties of traditional measures of attitudes. The advantages and the limitations of the method, as well as the process by which impressions are formed, are discussed.

Concept maps: A theoretical note on concepts and the need for cyclic concept maps

by Alberto J Cañas and Frank Safayeni

Retrieved October, Jan 1, 2003

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Measuring the effectiveness of personal database structures

by Frank W Tompa, Alberto J Cañas, and Frank Safayeni

International Journal of …, Jan 1, 1989

The increasing proliferation of electronic billboards, hypertexts, and other informal electronic ... more The increasing proliferation of electronic billboards, hypertexts, and other informal electronic databases necessitates effective tools for personal data structuring. An experiment was conducted to investigate subjective processes involved during structuring an online database. Tens ubjects organized twoh undred proverbs into hierarchical structures overfour sessions and used their structures to solvequeries. Structuring and retrievalactivity in the online environment wasmarkedly poorer than in a previous manual experiment. In both experiments retrievalp erformance was correlated to the levelo fd istinction employed in the construction of categories.

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Virtual organizations and management control

by Frank Safayeni and Lyn Purdy

IEMC 96 Proceedings. International Conference on Engineering and Technology Management. Managing Virtual Enterprises: A Convergence of Communications, Computing, and Energy Technologies, 1996

This paper discusses some of the assumptions underlying the management of virtual organizations. ... more This paper discusses some of the assumptions underlying the management of virtual organizations. In particular the issue of control within the virtual organization will be examined. A number of limitations to the process of controlling virtual organizations are identified and discussed. A preliminary conclusion is that virtual organizations are more likely to be successful where information, control and coordination requirements are relatively minimal

Organizational conditions for innovation

by Frank Safayeni and Lyn Purdy

Innovation in Technology Management. The Key to Global Leadership. PICMET '97, 1997

This paper presents an example of innovation as well as some observations about innovative groups... more This paper presents an example of innovation as well as some observations about innovative groups. This example is followed by a discussion of some organizational conditions that are conducive to innovation. More specifically, the conditions of democracy, competitiveness, leadership and task orientation are examined

Management of just-in-time production

by Frank Safayeni and Lyn Purdy

Technology Management : the New International Language, 1991

The authors present a theoretical view of the JIT (just-in-time) system in which the impact of JI... more The authors present a theoretical view of the JIT (just-in-time) system in which the impact of JIT on organizations is considered in terms of an increase in interdependence in the organization as a result of the removal or reduction of inventory buffers in the system. It is further theorized that the impact of increased interdependence amongst organizational functions will ultimately

Job-shop Scheduling Theory: What is Relevant

Page 1. Job-Shop Scheduling Theory: What Is Relevant? KENNETH N. MCKAY Department of Management S... more

Perceived Effectiveness of the Automotive Supplier Evaluation Process

by Frank Safayeni and Lyn Purdy

International Journal of Operations & Production Management, 1994

Nineteen automotive supply organizations were interviewed regarding their perceptions of the effe... more

An experimental study of a gestalt based database for mug shots

IFIP Conference on Human-Computer Interaction, 1995

The paper describes a series of experiments testing a recognition based computerized mug shot dat... more The paper describes a series of experiments testing a recognition based computerized mug shot database system (gestalt based) for police use. The prototype is compared to the more traditional feature based database system. The gestalt based database was shown to perform significantly better than the feature based database when the quality of the signals was improved. In addition, the gestalt

An empirical investigation of two electronic mail systems

Behaviour & Information Technology, 1988

Can group rewards promote helping in asymmetrically imbalanced task relationships?

Cogent Business & Management

Download

The Role of Language and Formal Structure in the Construction and Maintenance of Organizational Images

International Studies of Management & Organization, 1998

Using Computational Modeling for Building Theory: A Double Edged Sword

Journal of Artificial Societies and Social Simulation, 2016

Download

Experiments on the Effects of Map Structure and Concept Quantification During Concept Map Construction

Download

A review of hierarchical production planning and its applicability for modern manufacturing

Production Planning Control, Apr 27, 2007

Abstract The hierarchical production planning (HPP) paradigm has become an accepted planning and ... more

The retrieval of images from image databases: trademarks

Http Dx Doi Org 10 1080 01449299508914620, Oct 24, 2007

Measuring the Effectiveness of Personal Database Structures

ABSTRACT

Difficulties of Just-in-Time Implementation: A Classification Scheme

Int J Oper Prod Manage, 1991

Concept Maps: A Theoretical Note on Concepts and the Need for Cyclic Concept Maps

Download

The Influence of Emergent Expertise on Group Decision Processes

Small Group Research, 2012

Social meaning of personal computers for managers and professionals: methodology and results

Behaviour It, 1989

Concept maps: A theoretical note on concepts and the need for cyclic concept maps

by Alberto J Cañas and Frank Safayeni

Retrieved October, Jan 1, 2003

Download

Measuring the effectiveness of personal database structures

by Frank W Tompa, Alberto J Cañas, and Frank Safayeni

International Journal of …, Jan 1, 1989

Download

Virtual organizations and management control

by Frank Safayeni and Lyn Purdy

IEMC 96 Proceedings. International Conference on Engineering and Technology Management. Managing Virtual Enterprises: A Convergence of Communications, Computing, and Energy Technologies, 1996

Organizational conditions for innovation

by Frank Safayeni and Lyn Purdy

Innovation in Technology Management. The Key to Global Leadership. PICMET '97, 1997

Management of just-in-time production

by Frank Safayeni and Lyn Purdy

Technology Management : the New International Language, 1991

Job-shop Scheduling Theory: What is Relevant

Page 1. Job-Shop Scheduling Theory: What Is Relevant? KENNETH N. MCKAY Department of Management S... more

Perceived Effectiveness of the Automotive Supplier Evaluation Process

by Frank Safayeni and Lyn Purdy

International Journal of Operations & Production Management, 1994

Nineteen automotive supply organizations were interviewed regarding their perceptions of the effe... more

An experimental study of a gestalt based database for mug shots

IFIP Conference on Human-Computer Interaction, 1995

Frank Safayeni

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