science

URI Template

URI Template is a science topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand URI Template rather than just read about it. In short: A URI Template is a way to specify a URI that includes parameters that must be substituted before the URI is resolved. It was standardized by RFC 6570 in March 2012.

Key takeaways

URI Template belongs to science; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect URI Template to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of URI Template from memory before moving on to harder problems.

Reference excerpt

A URI Template is a way to specify a URI that includes parameters that must be substituted before the URI is resolved. It was standardized by RFC 6570 in March 2012. The syntax is usually to enclose the parameter in Braces ({example}). The convention is for a parameter to not be Percent encoded unless it follows a Question Mark (?).

Examples http://example.com/people/{firstName}-{lastName}/SSN http://example.com/query{?firstName,lastName} If we were building these URIs for Björk with firstName=Björk and lastName=Guðmundsdóttir they would be:

http://example.com/people/Björk-Guðmundsdóttir/SSN http://example.com/query?firstName=Bj%c3%b6rk&lastName=Gu%c3%b0mundsd%c3%b3ttir

See also European Legislation Identifier (URI template is used by ELI)

External links RFC6570 - URI Template at the IETF List of RFC6570 Implementations

Worked examples

Example 1 — a first encounter with URI Template

Start with the simplest possible case. Write down what URI Template claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In science, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to URI Template before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about URI Template ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of URI Template

In research: URI Template appears in science research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry: Engineering practice reuses URI Template in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom: URI Template is common in secondary-school and first-year university syllabi. It links to neighbouring topics Internet Standards, URL, so understanding it makes those chapters shorter.
In everyday life: Look for URI Template outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

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How to study URI Template in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what URI Template means in your own words.
Compare your version with the excerpt and mark what you missed.
Work through the three examples above with pen and paper.
Explain URI Template out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is URI Template in simple terms?

A URI Template is a way to specify a URI that includes parameters that must be substituted before the URI is resolved. It was standardized by RFC 6570 in March 2012.

Why does URI Template matter?

Because it connects several science ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study URI Template?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on URI Template.