Shannon Aurelia WidjajaShannon Aurelia
Widjaja
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WRITING · RESEARCH · BUILDING

The work creates the question. The writing makes the answer travel.

My writing is not a separate content stream. It begins inside the systems I build, follows the evidence through applied machine learning, and returns as something other people can inspect, use, or challenge.

01AZUMIE · SENZA FINE · APPLIED ML

Research through real operations

Client work gives me the questions worth investigating: forecasting demand, reducing waste, and making recommendations clear enough that people can challenge them before acting.

02MODELS · EVALUATION · DECISION SUPPORT

Technical findings for TDS

Towards Data Science is where an experiment earns its technical explanation: the baseline, the method, the failures, the metrics, and what the evidence actually supports.

03BUILDING · LEARNING · FOUNDER NOTES

The human story on Medium

Medium holds the wider journey behind the work: how my questions change, what building with real people teaches me, and how engineering is reshaping the way I think.

FROM CLIENT WORK TO PUBLIC KNOWLEDGE

One body of work.
Five connected stages.

01

Observe the operation

Start with a repeated decision inside real client work.

02

Frame the ML question

Define the target, evidence, constraints, and honest baseline.

03

Test and evaluate

Compare methods, document failures, and measure useful outcomes.

04

Publish the finding

Turn the technical result into a rigorous TDS article.

05

Reflect and connect

Write the builder story on Medium and preserve the case study here.

SELECTED TRANSMISSIONS

Research in progress,
published foundations.

CURRENT RESEARCH THREAD

Decision intelligence that shows its work

Azumie and the Senza Fine engagement are becoming the practical ground for research into forecasting, operational recommendations, and trustworthy decision support.

Read the Azumie case study
PUBLISHED ML FOUNDATION

Recommender systems, from formulation to filtering

An early long-form explanation of content-based recommendation, collaborative filtering, low-rank matrix factorization, and mean normalization.

Read on Medium
TDS ARCHIVE · 2021

Dealing with large datasets

One of my early Towards Data Science pieces, preserved as evidence of where my public learning began and the technical voice I am now returning to.

Read the TDS article
FOLLOW THE WORK

Technical depth.
Human context.