On-line dictionaries with ISO 13584

Part 1Introduction and terminology

Structure of course Part 1 – Introduction to information

representation and demonstration of industrial dictionaries

Part 2 – Description of ISO 13584 and comparison with other standards

Part 3 – Theory and practice of building ISO 13584 dictionaries

Part 4 – Practical exercise in building an ISO 13584 dictionary

Terminology 1 Data – observations, measurements, or

facts Data representation – the quantities,

characters or symbols that substitute for data and on which operations may be performed by

a computer Information – what is conveyed or

represented by a particular sequence of quantities, characters or symbols

Terminology 2 Information model – structure for a data

representation derived by a formal process

Dictionary – collection of words and their meanings arranged in a defined structure

Information exchange – data representation conveyed in a form that is understandable by the recipient

Information structure Data objects and representation symbols:

Example: ‘Mat’, ‘cat’, ‘old’, ‘had sat’, ‘green’ Data organised for exchange of information:

En. The old cat had sat on the green mat Fr. The old cat had sat on the mat green Ge. The old cat had on the green mat sat

To communicate unambiguous information we need a defined specification for the structure of the data representation

Information meaning

It was brillig and the slithy toves did gyre and gimble in the wabe. All mimsy were the borogroves and the mome raths outgabe. (Lewis Carrol)

To communicate usable information in a defined structure we also need a dictionary

Information exchange The communication of usable information

always requires: Symbols as objects to represent the data An nformation model to define the structure of

the objects A dictionary to define the meanings of the

objects Everyone in a communication process must

use the same model and the same dictionary to achieve an unambiguous result

Types of information model Entity relationship (software engineering)

Define objects by their attributes (properties) Assigning a value to an attribute creates an

instance of an object Classification (taxonomies in biology)

Classify objects by their family relationships to other objects

ISO 13584 dictionaries are structured as: a classification at the user level an entity relationship model at the processing

level

Modern cutting tools

Tools for multiple tasks

Industrial problems Current designs of tools cannot be described

by existing standards Customers are demanding tool procurement

data in digital form Every customer has a different system

Tool users are digital control systems that need data in digital form

Integration between product design, tool operation and tool design

Future tool developments will require an updateable standard

Industrial solution

ISO 13399 Cutting tool data representation and exchange

ISO 13399-1 Entity relationship model for exchange of tool geometry and tool assembly data

ISO 13399-2 Dictionary for cutting items ISO 13399-3 Dictionary for tool items ISO 13399-4 Dictionary for adaptors ISO 13399-5 Dictionary for assembly items ISO 13399-50 Dictionary for reference systems

and common concepts ISO 13399-60 Dictionary for connection systems ISO 13399-100 Specification for the dictionary