Scaffolding a Xojo application part 2
In part 1 I gave an overview of the application development system Xojo and introduced project templates. This article is a much deeper dive into…
Read moreTechnology writing by Ian Piper
For 22 years I've used this site to publish the work of Tellura Information Services. I'm now retiring, but will continue to publish my articles here. Feel free to browse around and read.
The latest article set on here is about using the popular and powerful Xojo tool. Xojo is a cross-platform development system, creating native applications for MacOS, Windows, Linux, IOS, Android and the web with a common code base. These articles are on how to make this easy-to-use system even more friendly by creating templated applications, where a lot of the hard work has already been done.
I've also published a series of articles on designing and building content graphs, focusing on practical architectural design and implementation.
Scaffolding a Xojo application part 1
This is part 1 of a short series on designing and building scaffold applications in Xojo. Read this for an overview and basic usage information.
Read moreDesktop content graph part 2. Tags and taxonomy concepts
In this article I am starting to look at turning Finder tags into taxonomy Concepts. If you haven't read parts 0 and 1 you can find…
Read moreDesktop content graph part 3. Building the initial application
The first three parts in this series dealt with issues of information design; the overall ideas, the model and taxonomy considerations. This article is about…
Read moreDesktop content graph part 1. A content model for file linking and classification
The main topic for this article is how files in the file system need to behave when incorporated into a content model. The main purpose…
Read morePrelude to the desktop content graph project
Following my recent series of articles on building a content graph (based on content in web content management systems), I thought that it would be…
Read moreUnpacking SHACL
An abundance of acronyms Semantic technologies seem to suffer more than most from galloping acronymitis; the tendency to come up with the most tortured, obscure…
Read moreA web content graph, part seven: GraphDB APIs
Across the first six articles I covered the use of information components representing structured content, taxonomies and graph databases to hold the relevant information (and…
Read moreA web content graph, part six: The graph database
Over the course of the last five articles I have shown how it is possible to build up an information model (ontology) that can allow…
Read moreA web content graph, part five; Information model design
A recurring thread running through the articles in this series is the information model. I have mentioned the use of classes, relations and metadata. Up…
Read moreA web content graph, part four; Middleware for linking information
So far, I have talked about some of the information-centred components of a content graph; Content graph items, Content graph authors and the Tellura Content…
Read moreA web content graph, part three; Taxonomy design
This article is about the taxonomy component of a content graph. Although the idea of a content graph is centred on links between content objects…
Read moreA web content graph, part two; Content design
In this article I’m going to go into how well-structured content architecture is important in the design of content graphs. I will discuss how information…
Read moreA web content graph, part one: Guiding principles
This is the first in a series of seven articles on building a content graph. In this part I will introduce the concept of a…
Read moreHow to make a shared secret
Dear bank; let's share a secret I have had running battles about security with banks over decades; more or less ever since they started offering…
Read more