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This house of quality sample illustrates interrelationship matrix.
It was designed on the base of the figure 3-4 in Lecture "How QFD helps in product quality improvement?" from the website of National Programme on Technology Enhanced
Learning (NPTEL), India. [nptel.ac.in/ courses/ 110101010/ downloads/ mod3/ Module%20 III-Lec1.pdf]
Distributed under Creative Commons Attribution-ShareAlike 4.0 International (CC BY-SA 4.0) [creativecommons.org/ licenses/ by-sa/ 4.0/ ]
"The next step in building a house of quality is to compare the VOC with technical characteristics and determine their interrelationships. In this context, engineering knowledge about the product and historic evidence/ data can provide useful information. Common practice is to use symbols to represent the nature of relationship between customer requirements and technical descriptors. Symbols used are:
- A solid circle represents a strong relationship (scored as +9).
- A single circle represents a medium relationship. (scored as +3).
- A triangle represents a weak relationship (scored as +1).
- The box is left blank if there is no relationship between VOC and technical characteristics.
Figure 3-4 provides the interrelationship matrix with type of relationships. Any cell that is empty implies no or insignificant relationship." [nptel.ac.in/ courses/ 110101010/ modules/ module3/ lec1/ 1.6.html]
The HOQ example "House of Quality - interrelationship matrix" was designed using ConceptDraw PRO software extended with House of Quality solution from Quality area of ConceptDraw PRO Solution Park.
HOQ of a handlebar stem in a bicycle
HOQ of a handlebar stem in a bicycle, weak HOQ symbol, text block, strong HOQ symbol, rectangle, medium HOQ symbol, matrix, HOQ, legend, HOQ,
Used Solutions

PROBLEM ANALYSIS. Relations Diagram

Use the Relations Diagram to create a relations factors map and to identify which factors are “drivers” and “indicators”. This diagram identifies causal relationships and determine what factors are causes or effects.
ConceptDraw OFFICE suite is a software for relation diagram making.
7MP Tools
7MP Tools

house of quality, qfd, quality function deployment, quality management, total quality management, iso 9001, quality control House of Quality

house of quality, qfd, quality function deployment, quality management, total quality management, iso 9001, quality control
House of Quality solution provides the powerful drawing tools, numerous specific samples and examples, and set of vector design elements of House of Quality shapes and symbols, which will help you in application the Quality function deployment (QFD) methodology and in easy creation the House of Quality Matrices intended for satisfaction the consumers' desires and requirements, for representing them in a visual way and then transformation into the targets and technical requirements to be followed for development the best products.

Entity Relationship Software

Entity Relationship Diagrams (ERD) illustrate the logical structure of databases.
The vector graphic diagrams produced when using the ConceptDraw ERD solution can be used in whitepapers, presentations, datasheets, posters, or any technical materials.
It is convenient to design ER Diagrams using ConceptDraw DIAGRAM software. ConceptDraw DIAGRAM extended with the Entity-Relationship Diagram (ERD) solution supports Chen's and Crow’s Foot notations that are often used to describe database structure.

entity-relationship diagram, ER-diagram, database ERD Entity-Relationship Diagram (ERD)

entity-relationship diagram, ER-diagram, database ERD
An Entity-Relationship Diagram (ERD) is a visual presentation of entities and relationships. That type of diagrams is often used in the semi-structured or unstructured data in databases and information systems. At first glance ERD is similar to a flowch

Entity Relationship Diagram Software

The world-best Entity Relationship Diagram software suitable for professional ERD drawing is ConceptDraw DIAGRAM software extended with the Entity-Relationship Diagram (ERD) solution. This solution contains all libraries, templates and samples you may need for professional ERD drawing.

Relationships Analysis

Relationships Analysis. Relations Diagram - factors analysis, factors relations. Create Relations Diagram with ConceptDraw DIAGRAM.
The Seven Management and Planning Tools is a tool for Interaction diagram drawing. This diagram identifies causal relationships. Determine what factors are causes and which factors are effects. Interaction diagram helps establish KPIs to monitor changes and the effectiveness of corrective actions in resolving the problem.

Entity Relationship Diagram Examples

Entity Relationship Diagram Examples
Create an Entity-Relationship (ER) model is to visually represent the structure of a business database, where data equates to entities (or objects) that are linked by defined relationships expressing dependencies and requirements. By nature it is an abstract visualization, the first step in the design process towards creating a logical and functional database.

ConceptDraw DIAGRAM diagramming and vector drawing software gives the ability to describe a database using the Entity-Relationship model. Entity-Relationship Diagram(ERD) solution from the Software Development area supplies the ConceptDraw DIAGRAM with icons advocated by Chen's and Crow’s Foot notation that can be used when describing a database.
How to Build an Entity Relationship Diagram (ERD)
How to Build an Entity Relationship Diagram (ERD)

Entity Relationship Diagram Software Engineering

Entity Relationship Diagram (aka ERD, ER Diagram, E-R Diagram) is a well-tried software engineering tool for data modeling, system design and illustrating the logical structure of databases.
Professional ERD drawing is an essential software engineering method for database modeling. ConceptDraw DIAGRAM as a powerful Entity Relationship Diagram Software Engineering offers the tools of Entity-Relationship Diagram (ERD) solution from Software Development area of ConceptDraw Solution Park.

Entity-Relationship Diagram (ERD) with ConceptDraw DIAGRAM

Entity-Relationship Diagram (ERD) serves for detailed description of structures and databases. An ERD represents a diagram made up mainly of rectangular blocks (for entities, or data) linked with relationships. The links between the blocks describe relations between these entities. There are three types of relationships: one-to-one,
one-to-many, many-to-many.
Draw Entity-Relationship Diagrams (ERD) easily with ConceptDraw extended with Entity-Relationship Diagram (ERD) Solution from the Software Development Area. Use ERD software to create ER diagram.
How to Build an Entity Relationship Diagram (ERD)
How to Build an Entity Relationship Diagram (ERD)