14865238
Adopting ontology to facilitate knowledge sharing
Ontology-enabled knowledge management experiences derived from a domain ontology development project at Intel Corporation are described and assessed.
30747196
Addressing a standards creation process: a focus on ebXML
Current trends in e-business are creating opportunities for automation of business processes across business boundaries. However, lack of standards has caused difficulties for industry players in exploiting resources and coordinating activities in the context of e-business. ebXML--an emerging e-business standard framework to unite competing factions under a banner of international trade--has been developed within an industry consortium using an open, collaborative process with no barriers to entry, whose approach is very different from traditional approach to create standards. Drawing on socio-technological perspective, this paper attempts to gain deeper understanding of such phenomenon by using a case study methodology. This paper uses data drawn mostly from email discussions and minutes of teleconference and face-to-face meeting. Our exploration of the ebXML standardization process generates specific propositions. In summary, our analysis found that the 'openness' of standardization process helps to create a more comprehensive standard than proprietary standards--effectively leading to convergence of technologies, and that the unfolding dynamics of standardization process varies depending on the characteristics of standards to be developed. We also discuss user participation as an important factor that influences the dynamics of standardization process in such an open, collaborative standardization process. Surprisingly, user participation seems to be more effective in creating technical infrastructure oriented standards rather than business process oriented standards.
6255541
Dynamic resource discovery for applications survivability in distributed real-time systems
We propose a new resource discovery protocol, REALTOR, which is based on a combination of pull-based and push-based resource information dissemination. REALTOR has been designed for real-time component-based distributed applications in very dynamic or adverse environments. REALTOR supports survivability and information assurance by allowing the migration of components to safe locations under emergencies like external attack, malfunction, or lack of resources. Simulation studies show that under normal and heavy load conditions REALTOR remains very effective in finding available resources with a reasonably low communication overhead. REALTOR: 1) effectively locates resources under highly dynamic conditions, 2) has an overhead that is system-size independent, and 3) works well in highly adverse environments. We evaluate the effectiveness of a REALTOR implementation as part of Agile Objects, an infrastructure for real-time capable, highly mobile Java components.
11540730
Vectorizing and querying large XML repositories
Vertical partitioning is a well-known technique for optimizing query performance in relational databases. An extreme form of this technique, which we call vectorization, is to store each column separately. We use a generalization of vectorization as the basis for a native XML store. The idea is to decompose an XML document into a set of vectors that contain the data values and a compressed skeleton that describes the structure. In order to query this representation and produce results in the same vectorized format, we consider a practical fragment of XQuery and introduce the notion of query graphs and a novel graph reduction algorithm that allows us to leverage relational optimization techniques as well as to reduce the unnecessary loading of data vectors and decompression of skeletons. A preliminary experimental study based on some scientific and synthetic XML data repositories in the order of gigabytes supports the claim that these techniques are scalable and have the potential to provide performance comparable with established relational database technology.
15301775
Implementing Xquery 1.0: The Galax Experience
Galax is a light-weight, portable, open-source implementation of XQuery 1.0. Started in December 2000 as a small prototype designed to test the XQuery static type system, Galax has now become a solid implementation, aiming at full conformance with the family of XQuery 1.0 specifications. Because of its completeness and open architecture, Galax also turns out to be a very convenient platform for researchers interested in experimenting with XQuery optimization. 
 
We demonstrate the Galax system as well as its most advanced features, including support for XPath 2.0, XML Schema and static type-checking. We also present some of our first experiments with optimization. Notably, we demonstrate query rewriting capabilities in the Galax compiler, and the ability to run queries on documents up to a Gigabyte without the need for preindexing. Although early versions of Galax have been shown in industrial conferences over the last two years, this is the first time it is demonstrated in the database community.
10012054
A development environment for customer-oriented Internet business: eBizBench
Abstract An important challenge in the age of Internet business is the proper alignment of customers’ needs with the business system. In order to improve an Internet business system according to customers’ needs continuously, reuse of design results is of particular importance. This paper proposes a development environment, called eBizBench, which provides support for this alignment and reusability. The eBizBench includes seven functions: (1) project management, (2) customer analysis, (3) value analysis, (4) web design, (5) implementation design, (6) repository management, and (7) repository. The eBizBench can help develop and maintain Internet business systems in a systematic fashion. The repository is useful for the conversion of design results among development environments. A real-life web site is illustrated to demonstrate the usefulness of the eBizBench.
206110402
Knowledge management strategy and its link to knowledge creation process
Abstract Knowledge has become to be considered as valuable strategic assets that can provide proprietary competitive advantages. It is more important for companies to distinguish themselves through knowledge management strategies. Without a constant creation of knowledge, a business is condemned to poor performance. However, it is still unclear how these strategies affect knowledge creation. Knowledge management strategies can be categorized as being either human or system oriented. This paper proposes a model to illustrate the link between the strategies and its creating process. The model is derived on the basis of samples from 58 Korean firms. The model depicts how companies should align the strategies with four knowledge creation modes such as socialization, externalization, combination, and internalization. It is found that human strategy is more likely to be effective for socialization while system strategy is more likely to be effective for combination. Furthermore, the survey result suggests that managers should adjust knowledge management strategies in view of the characteristics of their departments.