Jeong-Soo Lee

Ontology-based process model for business architecture of a virtual enterprise

As new collaborative business models emerge, considerable research is being carried out on Virtual Enterprise (VE) as an alternative to secure competition. To operate a VE, a common framework that must be shared between participants is needed to implement a seamless business process. This paper focuses on an ontology-based process model that provides a common semantic and communication protocol. The suggested process model has a single integrated meta-model that describes the internal and intra business process of a VE. The internal process is the formal process of each business partner and is described using the Collaborative Component Architecture (CCA) of Enterprise Distributed Object Computing (EDOC). On the other hand, the intra process is a collaborative process that can be modified by the business scenario and is described using a Role Activity Diagram (RAD). The suggested process model is applied for the collaborative design chain process of the automotive-part industry as a case study.

A collaborative design framework for the Korean automotive parts industry

In the automotive industry, although small enterprises that supply car parts participate in the design phase of new car development, they do not communicate with each other for developing parts or modules because of the lack of a common communication protocol. In order to provide solutions to such problems, there has been an emergence of collaboration solutions among participants. Moreover, collaborative product lifecycle management (CPLM) is suggested as an alternative for providing such collaboration solutions. In order to develop CPLM, a framework that supports the understanding and sharing of business processes across business boundaries is necessary. Such a framework includes a reference model, business process model, and business process. The reference model explains the business domain, and it must be shared among participants for a common communication purpose. The business process model describes the collaborative design process, which can be defined by common principles in a meta-model. This paper suggests a new reference model for the design chain in the Korean automotive parts industry. Under a collaborative environment, the design process of the reference model may be classified into the mechanical and human-driven processes. In order to define both process types, a new integrated process model that combines the Component Collaboration Architecture (CCA) model of Enterprise Distributed Object Computing (EDOC) and Role Activity Diagram (RAD) models is suggested. We also introduce model driven approach (MDA) of Object Modelling Group (OMG) in order to describe an abstract level for common communication among business partners.

Towards an Enterprise Entity Hub: Integration of General and Enterprise Knowledge

Today’s enterprises possess vast quantities of data generated by their own applications and services across different organisational systems. However, the data tends to be stored in many data-silos with redundant, duplicated, and outdated information. This means that finding the right information and obtaining valuable insights is difficult. To address this problem, we develop the enterprise entity hub that enables users to search, analyse, share, and filter information across large-scale data sources. One of its core components, the base knowledge is used to organise and interlink the organisation’s knowledge model, we then construct a base knowledge through the integration of several data sources, and expand this knowledge by interlinking a set of enterprise content.

LRCA: enhanced energy-aware routing protocol in MANETs

Mobile Ad hoc Networks (MANETs) is power constrained since mobile nodes operate with limited battery energy. So battery life is also important research issue in the routing protocol design. During packet transmission over multi-hop nodes, if a node failed, it should be caused link failure and source node will perform route recovery. It results that increases time of route recovery and packet loss rate. The objective of this study is to reduce route failure caused by dead nodes which consume all the battery life. We propose a new routing protocol based on AODV which provides an ability of changing routes to neighbor nodes before some of intermediate nodes be shutting down. From extensive simulations, results show that possibility of cut-offs and time-delay caused by packet-loss have been decreased and also improve overall performance by comparison with original AODV.