Sökning: "Conceptual Database Design"

Visar resultat 1 - 5 av 19 avhandlingar innehållade orden Conceptual Database Design.

1. 1. Constraint-based conceptual design using principle solution elements

   Författare :Sören Wilhelms; Christian Weber; Linköpings universitet; []
   Nyckelord :Conceptual design; functional modelling; constraint-based design; design reuse; VDI 2222; product modelling; design support; TECHNOLOGY; TEKNIKVETENSKAP;

   Sammanfattning : The design of new products is an important engineering activity, and much of the competitiveness in high-salary countries depends on the ability to develop innovative products with acceptable time to market.During conceptual design, the principle solution for a product is conceived. LÄS MER

3. 2. Knowledge Based Integrated Multidisciplinary Aircraft Conceptual Design

   Författare :Venkata Raghu Chaitanya Munjulury; Petter Krus; Roland Stolt; Linköpings universitet; []
   Nyckelord :Knowledge-base; Aircraft; Conceptual Design; CAD; XML Database; Multidisciplinary; Optimization;

   Sammanfattning : With the ever growing complexity of aircrafts, new tools and eventually methods to use these tools are needed in aircraft conceptual design. To reduce the development cost, an enhancement in the conceptual design is needed.This thesis presents a knowledge-based aircraft geometry design tool RAPID and the methodology applied in realizing the design. LÄS MER

4. 3. View Integration in Conceptual Database Design : Problems, Approaches and Solutions

   Författare :Peter Bellström; Karlstads universitet; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Information Systems; Informatik;

   Sammanfattning : View integration is a complex and time-consuming task because there are several problems that need to be addressed. Two such problems are conflict identification and conflict resolution. Conflicts occur because end users may define concepts on different levels of abstraction and because end users may name concepts differently. LÄS MER

5. 4. Schema Integration : How to Integrate Static and Dynamic Database Schemata

   Författare :Peter Bellström; Remigijus Gustas; Janis Stirna; Karlstads universitet; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Schema Integration; Conceptual Database Design; Database Schemata; Enterprise Modeling; Information Systems; Informatik;

   Sammanfattning : Schema integration is the task of integrating several local schemata into one global database schema. It is a complex, error-prone and time consuming task. Problems arise in recognizing and resolving problems, such as differences and similarities, between two schemata. Problems also arise in integrating static and dynamic schemata. LÄS MER

7. 5. Knowledge-Based Integrated Aircraft Design : An Applied Approach from Design to Concept Demonstration

   Författare :Raghu Chaitanya Munjulury; Petter Krus; Tomas Melin; Christopher Jouannet; Gianfranco La Rocca; Linköpings universitet; []
   Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; NATURVETENSKAP; NATURAL SCIENCES; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY;

   Sammanfattning : The design and development of new aircraft are becoming increasingly expensive and timeconsuming. To assist the design process in reducing the development cost, time, and late design changes, the conceptual design needs enhancement using new tools and methods. LÄS MER