397,699 research outputs found

    The Mirror MMDBMS architecture

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    Handling large collections of digitized multimedia data, usually referred to as multimedia digital libraries, is a major challenge for information technology. The Mirror DBMS is a research database system that is developed to better understand the kind of data management that is required in the context of multimedia digital libraries (see also URL http://www.cs.utwente.nl/~arjen/mmdb.html). Its main features are an integrated approach to both content management and (traditional) structured data management, and the implementation of an extensible object-oriented logical data model on a binary relational physical data model. The focus of this work is aimed at design for scalability

    UML Based Specifications of PDM Product Structure and Workflow

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    International audienceThe paper deals with the use of UML approach for the specification of a PDM system. A PDM enables the management of the product data about its entire lifecycle. The main goal of the paper is to highlight the added value of in using an object-oriented approach to modelling and implementing a PDM in a business case study. The chosen object-oriented approach and the used UML diagrams for themodelling and integration of product, process, and resource data is detailed for a turboprop aircraft project

    The utilization of neural nets in populating an object-oriented database

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    Existing NASA supported scientific data bases are usually developed, managed and populated in a tedious, error prone and self-limiting way in terms of what can be described in a relational Data Base Management System (DBMS). The next generation Earth remote sensing platforms (i.e., Earth Observation System, (EOS), will be capable of generating data at a rate of over 300 Mbs per second from a suite of instruments designed for different applications. What is needed is an innovative approach that creates object-oriented databases that segment, characterize, catalog and are manageable in a domain-specific context and whose contents are available interactively and in near-real-time to the user community. Described here is work in progress that utilizes an artificial neural net approach to characterize satellite imagery of undefined objects into high-level data objects. The characterized data is then dynamically allocated to an object-oriented data base where it can be reviewed and assessed by a user. The definition, development, and evolution of the overall data system model are steps in the creation of an application-driven knowledge-based scientific information system

    Modeling emergency management data by UML as an extension of geographic data sharing model: AST approach

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    Applying GIS functionality provides a powerful decision support in various application areas and the basis to integrate policies directed to citizens, business, and governments. The focus is changing toward integrating these functions to find optimal solutions to complex problems. As an integral part of this approach, geographic data sharing model for Turkey were developed as a new approach that enables using the data corporately and effectively. General features of this model are object-oriented model, based on ISO/TC211 standards and INSPIRE Data Specifications, describing nationwide unique object identifiers, and defining a mechanism to manage object changes through time. The model is fully described with Unified Modeling Language (UML) class diagram. This can be a starting point for geographic data providers in Turkey to create sector models like Emergency Management that has importance because of the increasing number of natural and man-made disasters. In emergency management, this sector model can provide the most appropriate data to many "Actors" that behave as emergency response organizations such as fire and medical departments. Actors work in "Sectors" such as fire department and urban security. Each sector is responsible for "Activities" such as traffic control, fighting dire, emission, and so on. "Tasks" such as registering incident, fire response, and evacuating area are performed by actors and part of activity. These tasks produce information for emergency response and require information based on the base data model. By this way, geographic data models of emergency response are designed and discussed with "Actor-Sector-Activity-Task" classes as an extension of the base model with some cases from Turkey

    UML Based Specifications of PDM Product Structure and Workflow

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    The paper deals with the use of UML approach for the specification of a PDM system. A PDM enables the management of the product data about its entire lifecycle. The main goal of the paper is to highlight the added value of in using an object-oriented approach to modelling and implementing a PDM in a business case study

    Managing toxic and hazardous substances of concern in manufacturing

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    This thesis examined data management from an object relational database perspective. The database used was a product from Cornell University called PREDATOR. The context of the evaluation is the life-cycle of a manufactured product. The manufacturing life-cycle was chosen to correspond to an environmental life-cycle being done at NJIT. However, the goal was to use a generic model that could be applied to many situations. The first phase developed the conceptual life-cycle model. At a high level, the model was not designed with a programming language in mind. Several questions needed to be answered and the a [sic] model answers the questions regardless of implementation. Once the conceptual model was completed, the implementation phase began. Knowledge and past experience affected implementation of the life-cycle model. A totally object oriented approach was the first step. Class diagrams were first developed. Then a JAVA application was built against the class diagram. Once the object oriented approach proved successful, the move to an object relational implementation began. As this morphing occurred, it became clear that, for this life-cycle model, the object relational approach is not appropriate. This is shown by demonstrating that the object model becomes a purely relational model

    Exploring the Experiences of Call Center Employees Regarding Business Scripting

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    Scripting, defined as the mechanization of business processes through automated tools or orchestrated responses, has played a significant role in shaping call center activities and the resultant customer relationship. However, findings of industry research have shown that the use of scripting to maximize operational efficiency has had a disempowering effect on call center employees by lowering their job-skill and knowledge requirements. Grounded in the concepts of knowledge management and knowledge transfer, this study explored the experiences of frontline call center employees on the effects of scripting on customer problem solving. A single-case study design with semistructured interviews was used with a population of 20 frontline employees in a North American call center to gather insights. Thematic analysis was applied to the interview data using nodes to identify emerging themes and insights. Three major themes emerged: First, although scripting had contributed to improved service quality and operational efficiency, scripted practices undermined the use of team knowledge and limited the amount of shared information. Second, the employees requested that call center scripted solutions be more intuitive and better aligned to knowledge requirements. Third, the employees suggested that an object-oriented approach to solution management be used, one that could better leverage communities of practices and collective team knowledge sharing within the organization. This object-oriented approach to solution management may promote virtual knowledge flow and the building of subject matter expertise that could elicit higher agent engagement and problem ownership. The proposed object-oriented approach to knowledge sharing is important to management, as it could help facilitate knowledge reuse and improved organizational performance

    GUIDE TOUR MUSEUM SYSTEM BASED ON RFID (RADIO FREQUENCY IDENTIFICATION) TECHNOLOGY

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    In general, museum visitors can not fully appreciate against a collection or artifacts from the museum. Although in every museum collection has a description of the items displayed, such as signs, but the history or details behind the museum collection can not be recounted as a whole. RFID (Radio Frequency Identification) is an automatic identification system for the object or person using a radio frequency signal that is non-line-of-sight, high inventory speeds, variety of form factors, rewritable tags. The purpose of this research is how to design guide tour museum system using RFID technology (Radio Frequency Identification) to help visitors obtain complete information from museum collection. The system was designed using object-oriented approach using UML (Unified Modeling Language) as a modeling language and Java as development language. From the test results found that museum visitors took 0.442 seconds to run a narrative of the collection since the system reads RFID tags that brought visitors. Museum managers also eased in the management of collection data, visitor data, and visitation data of the museum. The system also generates reports as a basis for future museum development
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