Social and Behavioral Sciences Commons^™

Foundations Of Ontology-Based Mas Methodologies, Ghassan Beydoun, Numi Tran, Graham Low, Brian Henderson-Sellers

Associate Professor Ghassan Beydoun

Support for software extensibility, interoperability and reuse are critical concerns for long term commercial viability of any MAS and they underpin the eventual adoption of agent technology by industry. Existing AOSE methodologies lack adequate support for these concerns. We argue in this paper that a methodology that uses ontologies as a central modelling artifact, beyond the analysis phase, is better equipped to address those concerns.

We observe that the influence of ontologies in Knowledge-based Systems (KBS) methodologies extended well beyond the initial analysis phase, leading to domain-independent KBS methodologies in the ’90s. We reflect on those lessons and on the …

Identity-Based On-Line/Off-Line Signcryption, Dongdong Sun, Xinyi Huang, Yi Mu, Willy Susilo

Professor Willy Susilo

We present an identity-based on-line/off-line signcryption scheme, where most of computations are carried out when the message is not available(i.e., off-line stage) and the on-line part of our scheme does not require any exponent computations and therefore is very efficient. It combines the functionalities of signature and encryption and is provably secure in the random oracle model. We also show that our scheme is indistinguishable against adaptive chosen-ciphertext attacks (IND-IDSC-CCA2) and is existentially unforgeable against adaptive chosen-message attacks (EF-IDSC-ACMA).

Identity-Based On-Line/Off-Line Signcryption, Dongdong Sun, Xinyi Huang, Yi Mu, Willy Susilo

Professor Yi Mu

We present an identity-based on-line/off-line signcryption scheme, where most of computations are carried out when the message is not available(i.e., off-line stage) and the on-line part of our scheme does not require any exponent computations and therefore is very efficient. It combines the functionalities of signature and encryption and is provably secure in the random oracle model. We also show that our scheme is indistinguishable against adaptive chosen-ciphertext attacks (IND-IDSC-CCA2) and is existentially unforgeable against adaptive chosen-message attacks (EF-IDSC-ACMA).

Development Of A Web-Based Student Enquiry System: Integration Of Ontology And Case-Based Reasoning, Sim Lau, Seung Hwan Kang

Dr Sim Kim Lau

No abstract provided.

No More 'Keyword Search' Or Faq: Innovative Ontology And Agent Based Dynamic User Interface, Kar Yin Leung, Sim Lau

Dr Sim Kim Lau

No abstract provided.

An Ontology-Based Knowledge Management System To Handle Queries In It Help Desk, Kar Yin Leung, Sim Lau

Dr Sim Kim Lau

No abstract provided.

Development Of A Web-Based Student Enquiry System: Integration Of Ontology And Cbr, Sim K. Lau, Seung Hwan Kang

Dr Sim Kim Lau

This paper discusses the development o f a web-based student enquiry system using techniques in case-based reasoning combined with advances in ontology. The system functions as an online enquiry front-desk to allow prospective students to fin d out if they are eligible for admission to a post-graduate course in an Australian University. Ontology is applied in the system to ensure explicit specifications of concept and definition of terminology can be achieved in the web-based system. The system applies case-based reasoning technique to handle the query.

Usability Testing Of Public Health Web-Based Information Systems, Sumayya Banna, Kholoud Alkayid, Helen M. Hasan, Joseph A. Meloche

Sumayya a Banna

While the Internet provides many opportunities for increased levels of care and access to information services in the area of public health, many web designers are not yet taking full advantage of its potential. This study looks at Intensive Care and Palliative Care, as important instances where health informatics could improve public web-based services, in meeting the particular information needs of family members of critically and chronically ill patients. This study is significant in adopting an approach to the usability testing of websites based on concepts from Activity Theory. This takes a realistic and practical approach, which identifies the purpose …

Dimension-Based Versus Relation-Based Brand Name Design: A Test Of Different Psycholinguistic Theories, Tobias Langner, Franz-Rudolf Esch, John R. Rossiter

John Rossiter

Conveying distinctive and coherent brand associations is a key concern of modem brand management. Brands with a concise, consumer-relevant, and unique brand image are preferred by consumers. This study considers the contribution brand names can provide to building customer based brand equity. Recent cognitive theories of conceptual combination fonn the theoretical basis for analyzing consumer reactions toward brand names. Following these theories, three techniques to integrate brand name and product are developed. Reaction time measurements and association tests show that the techniques presented are an effective and efficient means to convey a brand's image.

Articulating Knowledge Work: The Contributions Of Activity Theory And Task-Based Knowledge Management, Henry Linger, Frada Burstein, Helen M. Hasan

Helen Hasan

This chapter addresses issues of knowledge work in organisations with a concern that mainstream knowledge management (KM) has fallen short of expectations. The real nature of knowledge work remains hidden, and thus inaccessible, to those who are trying to improve organisational outcomes through KM practices. The authors have conducted independent research within a new discourse on knowledge work in the context of modem complex organisations, the results of which are converging to a common understanding of this critical phenomenon. Their two theoretical frameworks, one task-based and one activity-based, are described here as eminently suited to this research. Two sets of …

Usability Testing Of Public Health Web-Based Information Systems, Sumayya Banna, Kholoud Alkayid, Helen M. Hasan, Joseph A. Meloche

Helen Hasan

While the Internet provides many opportunities for increased levels of care and access to information services in the area of public health, many web designers are not yet taking full advantage of its potential. This study looks at Intensive Care and Palliative Care, as important instances where health informatics could improve public web-based services, in meeting the particular information needs of family members of critically and chronically ill patients. This study is significant in adopting an approach to the usability testing of websites based on concepts from Activity Theory. This takes a realistic and practical approach, which identifies the purpose …

Usability Testing Of Public Health Web-Based Information Systems, Sumayya Banna, Kholoud Alkayid, Helen M. Hasan, Joseph A. Meloche

Faculty of Commerce - Papers (Archive)

While the Internet provides many opportunities for increased levels of care and access to information services in the area of public health, many web designers are not yet taking full advantage of its potential. This study looks at Intensive Care and Palliative Care, as important instances where health informatics could improve public web-based services, in meeting the particular information needs of family members of critically and chronically ill patients. This study is significant in adopting an approach to the usability testing of websites based on concepts from Activity Theory. This takes a realistic and practical approach, which identifies the purpose …

Using Location-Based Tracking Data To Analyze The Movements Of City Tourists, Modsching Marko, Kramer Ronny, Hagen Klaus Ten, Ulrike Gretzel

Faculty of Commerce - Papers (Archive)

This article presents a methodology to analyze the spatial behavior of tourists based on tracking data. This method was applied during a field study in the city of Görlitz at the east border of Germany. Based on Global Positioning System (GPS) logs the spatial distribution of visitors in various areas is visualized and analyzed. Using the bimodality of the distribution of walking speeds, areas of slowdown are identified and subsequently clustered into activity areas. Using the activity areas, the amount of time tourists allocate to various activity categories is computed. Furthermore, a subsequent analysis of the activity behavior is used …

Identity-Based On-Line/Off-Line Signcryption, Dongdong Sun, Xinyi Huang, Yi Mu, Willy Susilo

Faculty of Commerce - Papers (Archive)

We present an identity-based on-line/off-line signcryption scheme, where most of computations are carried out when the message is not available(i.e., off-line stage) and the on-line part of our scheme does not require any exponent computations and therefore is very efficient. It combines the functionalities of signature and encryption and is provably secure in the random oracle model. We also show that our scheme is indistinguishable against adaptive chosen-ciphertext attacks (IND-IDSC-CCA2) and is existentially unforgeable against adaptive chosen-message attacks (EF-IDSC-ACMA).

A Transfer Pricing Apparatus For Measuring Value Added Along The Supply Chain: Reflections For Internet Based Inter-Organisational Relationships, Michael D. J. Clements, Nigel J. Price

Faculty of Commerce - Papers (Archive)

Inter-firm communication through advanced technology such as the internet, adds value to supply chain organisations through speed of information transference at a lower cost than traditional communication modes. However, the sharing of sensitive market information relies upon a strong inter-organisational relationship presence, displaying intangible qualities such as trust and commitment. These value added relational based characteristics are not as yet easily measured. This paper introduces and explains the concept of measuring value added along the supply chain from a transfer pricing perspective. This non-conventional supply chain (value-chain) perspective invites the reader to consider measuring added value as it moves between …

Critical Factors For Successful Six-Sigma Implementation: An Analytical Hierarchy Process (Ahp) Based, Tritos Laosirihongthong, Khammee Saykhun, Shams Rahman

Faculty of Commerce - Papers (Archive)

The purpose of this study is to identify critical factors for successful Six-Sigma implementation by using the Analytical Hierarchy Process (AHP) approach. Twenty-one experts, consisting of three-project champions and eighteen-black belts from five multinational companies (Singapore, Japan, and USA) locating in Thailand, were interviewed. The study has gone through four phases, including: (1) determining critical factors and performance measures in Six-Sigma implementation; (2) structuring the problem and building the AHP model; (3) collecting data from expert interviews; and (4) determining the normalized priority weights of individual factors and sub-factors. Expert Choice software was used to compute the normalized and unique …

Evaluation Of Concept Lattices In A Web-Based Mail Browser, Shaun Domingo, Peter W. Eklund

Faculty of Commerce - Papers (Archive)

Concept lattices assist human understanding in three ways: firstly, by collecting formal concepts that contain maximal sets of objects with shared attributes; secondly, the relatedness of concepts is revealed by providing a hierarchy of formal concepts in the information space. Finally, the concept lattice (drawn as a line diagram) reveals inferences that can automatically derive association rules. Therefore, a major hypothesis of the application of concept lattices is that they visually assist in understanding the structure of information contained within an information space. However, there has been little in the way of empirical tests to substantiate this hypothesis. This paper …

Articulating Knowledge Work: The Contributions Of Activity Theory And Task-Based Knowledge Management, Henry Linger, Frada Burstein, Helen M. Hasan

Faculty of Commerce - Papers (Archive)

This chapter addresses issues of knowledge work in organisations with a concern that mainstream knowledge management (KM) has fallen short of expectations. The real nature of knowledge work remains hidden, and thus inaccessible, to those who are trying to improve organisational outcomes through KM practices. The authors have conducted independent research within a new discourse on knowledge work in the context of modem complex organisations, the results of which are converging to a common understanding of this critical phenomenon. Their two theoretical frameworks, one task-based and one activity-based, are described here as eminently suited to this research. Two sets of …

Development Of A Web-Based Student Enquiry System: Integration Of Ontology And Cbr, Sim K. Lau, Seung Hwan Kang

Faculty of Commerce - Papers (Archive)

This paper discusses the development o f a web-based student enquiry system using techniques in case-based reasoning combined with advances in ontology. The system functions as an online enquiry front-desk to allow prospective students to fin d out if they are eligible for admission to a post-graduate course in an Australian University. Ontology is applied in the system to ensure explicit specifications of concept and definition of terminology can be achieved in the web-based system. The system applies case-based reasoning technique to handle the query.

Barriers In The Adoption Of A Market Orientation By Locally Based Non-Profit Organisations (Npos), Gary I. Noble

Faculty of Commerce - Papers (Archive)

The need for non-profit organisations (NPOs) to adopt a ‘market orientation’ has been promoted widely in the academic literature. To date, research in this area has focussed on either measuring the degree of market orientation within an NPO or detailing the financial and other benefits that accrue from a market orientation. Although this body of research acknowledges there are barriers to the adoption of a market orientation no study has identified the nature of these barriers. This study contributes to our knowledge by identifying what managers of small locally based NPOs perceive as the main barriers to the adoption of …

Dimension-Based Versus Relation-Based Brand Name Design: A Test Of Different Psycholinguistic Theories, Tobias Langner, Franz-Rudolf Esch, John R. Rossiter

Faculty of Commerce - Papers (Archive)

Conveying distinctive and coherent brand associations is a key concern of modem brand management. Brands with a concise, consumer-relevant, and unique brand image are preferred by consumers. This study considers the contribution brand names can provide to building customer based brand equity. Recent cognitive theories of conceptual combination fonn the theoretical basis for analyzing consumer reactions toward brand names. Following these theories, three techniques to integrate brand name and product are developed. Reaction time measurements and association tests show that the techniques presented are an effective and efficient means to convey a brand's image.