knowledge based systems teach ict

Ngày tải lên: 19/03/2014, 00:20

Ngày tải lên: 23/03/2014, 23:20

Ngày tải lên: 25/07/2014, 19:21

... 2.1 The knowledge base A knowledge engineer acquires knowledge from various sources of expertise and codifies it into an expert system. The prerequisite for developing knowledge based system ... knowledge. Moreover, VB6 was chosen because it’s proven reliability and knowledge engineers’ familiarity of working with this language. 2.6 Production rules of the acquired knowledge Knowledge ... experience in this field. Knowledge representation is a method of organising and representing the knowledge. By far the most popular knowledge representation technique is ruled based. It uses an if-then...

Ngày tải lên: 05/09/2013, 16:10

... share their knowledge. Knowledge systems and knowledge- based anything in the organization are there- fore a misnomer. What is stored in organizational records is “information,” since knowledge ... processes. Signicance of Knowledge Management Systems: In essence KM tools and technologies are the systems that integrate various legacy systems, databases, ERP systems, and data warehouse ... term for tacit knowledge. Explicit Knowledge: Knowledge as a fact. Externalization: The articulation of knowledge into tangible form through dia- logue. Generalist’s Role in Knowledge Management,...

Ngày tải lên: 15/12/2013, 08:15

... Become a Knowledge- Based Enterprise Implementing a knowledge management system alone does not make an organi- zation a knowledge- based business. For an organization to become a knowledge- based ... tacit knowledge into new tacit knowledge) . These trans- formations are depicted in Table 2. Table 2. Knowledge transformations (Nonaka, 1994) From/To Tacit Knowledge Explicit Knowledge Tacit Knowledge Socialization (Sympathized ... knowledge. The Organizational Knowledge Life Cycle The knowledge life cycle (depicted in Figure 5) is about knowledge acquisition and creation, knowledge distribution and knowledge application and...

Ngày tải lên: 24/12/2013, 14:16

... corporate knowledge. Journal of Knowledge Management 5(1): 94–106. Meso P, Smith R. 2000. A resource -based view of organi- zational knowledge management systems. Journal of Knowledge Management 4(3): ... and knowledge sources KMS include organization-internal sources e.g. transaction processing systems, data base systems, data warehouses, document and content manage- ment systems, messaging systems ... information systems. Information Systems Research 6(2): 85–117. Susarla A, Liu D, Whinston AB. 2003. Peer-to-peer enter- prise knowledge management. In Handbook on Knowl- edge Management: Knowledge...

Ngày tải lên: 24/01/2014, 00:20

... advantage. Knowledge management systems (KMS) refer to a class of information systems applied to managing individual and organizational knowledge pro- cesses and flows. They are ICT -based systems developed ... gate- way to ICT -based networks will be portals (Vering et al., 2001)—in the case of knowledge managing: knowledge portals’ (Mack et al., 2001; Tsui, 2003). Knowledge portals (KP) are digital knowledge ‘workplaces’ ... of organizations as knowledge systems suggest that knowledge mana- ging consists of four sets of socially enacted knowl- edge processes, namely: (1) knowledge creation; (2) knowledge organization...

Ngày tải lên: 24/01/2014, 00:20

... Creation Information systems Knowledge- based systems Knowledge management systems Figure 1 Knowledge management systems foundations KMS Dynamic systems Process oriented systems Integrated systems Locate knowledge carriers ... http://www.htcs.com/ ckc.htm Hedlund G. 1994. A model of knowledge management and the n-form corporation. Strategic Management Jour- nal 15: 73–90. Hendriks P, Vriens D. 1999. Knowledge- based systems and knowledge management: ... special issues and urgent requests  Sections: market knowledge, competitor knowledge, technology knowledge, complementor knowledge, customer knowledge Structural mechanisms Cultural mechanisms...

Ngày tải lên: 24/01/2014, 00:20

... percentile. A knowledge- based potential function S. Zheng et al. 6382 FEBS Journal 274 (2007) 63786391 ê 2007 The Authors Journal compilation ê 2007 FEBS A knowledge- based potential function predicts ... structure prediction [18–27], as well as in the prediction of protein–protein [25,28–30] and protein–ligand interactions [30–33]. A few studies have explored the use of knowledge- based methods ... protein–DNA inter- actions using an optimized knowledge- based potential. Nucleic Acids Res 33, 546–558. 35 Kono H & Sarai A (1999) Structure -based prediction of DNA target sites by regulatory...

Ngày tải lên: 18/02/2014, 16:20

... THE KNOWLEDGE- BASED ECONOMY 20 A. Introduction 21 B. Knowledge production 21 C. Knowledge transmission 22 D. Knowledge transfer 24 E. Government policies 26 III. INDICATORS FOR THE KNOWLEDGE- BASED ... Measuring knowledge 29 C. Measuring knowledge inputs 31 D. Measuring knowledge stocks and flows 32 E. Measuring knowledge outputs 35 F. Measuring knowledge networks 39 G. Measuring knowledge ... implications of the knowledge- based economy for employment and the role of governments in the development and maintenance of the knowledge base. Identifying “best practices” for the knowledge- based economy...

Ngày tải lên: 20/02/2014, 16:20

... axis, for which the Web -based encyclopedia is expected to improve the quality of answers. Although Harabagiu et al. (2000) proposed a knowledge- based QA system, most existing systems rely on conventional ... 5.2), we used the Nichigai computer dictionary as a baseline encyclopedia. We compared the following three different resources as a knowledge base: ã the Nichigai dictionary (Nichigai), ã the descriptions ... comparable with that for the Nichi- gai dictionary. On the other hand, in the case where random choice was performed, the Nichigai dictionary and the Web- based encyclopedia were comparable in terms...

Ngày tải lên: 20/02/2014, 18:20

... DOMAIN-SPECIFIC KNOWLEDGE REQUIREMENT TENET How does one determine what knowledge must incorporated into a knowledge- based report generator? Because the goal of a knowledge- based report generator ... sentences. 148 DESIGN OF A KNOWLEDGE- BASED REPORT GENERATOR Karen Kukich University of Pittsburgh Bell Telephone Laboratories Murray ~tll, NJ 07974 ABSTRACT Knowledge- Based Report Generation ... production system approach to knowledge representa- tion. I. WHAT IS KNOWLEDGE- BASED REPORT GENERATION A knowledge- based report generator is a computer program whose function is to generate...

Ngày tải lên: 21/02/2014, 20:20

... Building Large Knowledge- Based Systems: Representation and Inference in the Cyc Pro- ject. Addison-Wesley. Lenat, D. 1995. Steps to Sharing Knowledge, in Toward Very Large Knowledge Bases, ... Ontology and The Planner 3.1 Ontology The general knowledge already represented in the KB facili- tates deep reasoning about security: it includes knowledge of communication protocols, computers, ... a computer in the model; an explanation for one deduction is expanded into the view . A Knowledge- Based Approach to Network Security: Applying Cyc in the Domain of Network Risk Assessment...

Ngày tải lên: 05/03/2014, 23:20

... introduced (Wang, Deng et al., 2005). It integrates a knowledge- based approach into a statistical learning framework, utilizing prior knowledge to compensate for the dearth of training data. ... addresses the problem of extracting semantic meaning conveyed in an utterance. The traditional knowledge- based approach to this problem is very expensive it requires joint expertise in natural language ... extracting meaning conveyed in an utterance. Traditionally, the problem is solved with a knowledge- based approach, which requires joint expertise in natural language processing and speech...

Ngày tải lên: 08/03/2014, 02:21

... Penny Stock. 1987. Collins COBUILD English Language Dictionary. William Collins Sons & Co. Ltd., Glasgow, UK. 310 Knowledge- based Automatic Topic Identification Chin-Yew Lin Department ... presents a new method for automatically identi- fying the central ideas in a text based on a knowledge- based concept counting paradigm. To represent and generalize concepts, we use the hierarchical ... tomated text summarization system. The current system draws a performance lower bound for future systems. 4This threshold and the starting depth are deter- mined by running the system through...

Ngày tải lên: 08/03/2014, 07:20

... extracted from multiple knowledge sources, while most traditional knowledge- based methods are usually specialized to one type of knowledge. By integrating multiple semantic knowledge sources, ... of knowledge bases, there is an increasing availability of large-scale knowledge sources, such as Wikipedia and WordNet. These large- scale knowledge sources create new opportuni- ties for knowledge- based ... these knowledge sources are heterogeneous and most of the semantic knowledge within them is embedded in complex structures, such as graphs and networks. This paper proposes a knowledge- based...

Ngày tải lên: 16/03/2014, 23:20

... innovative, knowledge- based markets have combined to make the skills of the workforce central to economic development. Until now, economic development practitioners had few tools to evaluate the knowledge, ... A Practitioner’s Guide To Economic Development Tools for Regional Competitiveness in a Knowledge- Based Economy This project was supported by a grant from the U.S. Economic Development ... highest degree earned. Specifically, this tool allows practitioners to: ã Analyze the regional knowledge- based workforce in greater detail. ã Combine industry and occupation cluster data to gain...

Ngày tải lên: 17/03/2014, 10:20

Ngày tải lên: 18/03/2014, 02:20

Ngày tải lên: 22/03/2014, 09:20