# ID-T04 — Processing and derived data

Adrian Sutherland · Version 1.0 · Refreshed September 2026

© 2005–2026 Adrian Sutherland.
Source page: https://architectureportal.org/assets/information-data

Adapt these prompts to your existing records and methodology.

## Decision and consumers

- Decision the output supports, consumers and accepting owner: [fill]
- Meaning, scope, what each output row represents and counting rules: [fill]
- Required freshness and how it is shown: [fill]

## Inputs and transformation

- Authoritative input, identity, version and cutoff or event-time rule: [fill]
- Transformation, grouping key, schema and rule version: [fill]
- Output identity and links back to source inputs: [fill]

## Layers and quality controls

- Layer names, purpose, contents and consumers: [fill]
- Owner, acceptance rules and source links at each layer: [fill]
- Invalid, missing or conflicting records: hold, correction and visible gaps: [fill]
- Corrections, access and retention across layers: [fill]

## Options and operating choices

- Volume, arrival rate, growth and uneven workloads: [fill]
- Batch/streaming, partitioning, storage and distribution choices: [fill]
- Cost, latency, quality and support trade-offs to examine: [fill]

## Corrections and recovery

- Duplicate input, retry and replay rules: [fill]
- Late arrivals, reopened cases and corrected inputs: [fill]
- Output replacement or revision, recovery owner and downstream notice: [fill]
- Access, retention and removal of input/derived data: [fill]

## Checks and results

- Representative input, expected output and failure cases: [fill]
- Actual result, version, date and reviewer: [fill]
- Baseline and measures for freshness, cost, quality and change effort: [fill]

## Methodology configuration

- Corresponding record in your method and what it covers: [fill]
- Delivery and operational reviews, with decision authority: [fill]

## History and open decisions

- Version, status, date and reason for change: [fill]
- Remaining decisions, owners and next review: [fill]