Helen J.

Key Skills

Software

Label Studio

Top Subject Matter

AI training datasets (image and text annotation)

AI training datasets (text annotation)

Top Data Types

Text

Audio

Top Task Types

Classification

Entity (NER) Classification

Transcription

Freelancer Overview

Data Annotation Training – DataLens Africa (Data annotation specialist training). Professional background includes roles such as Registered Nurse. Core strengths include N and A. Education includes Data Annotation Training Certificate, DataLens Africa and Basic Life Support (BLS) Certificate, N/A. AI-training focus includes data types such as Image and Text and labeling workflows including Classification and Entity (NER) Classification.

Labeling Experience

AI data labeling & text classification practice – DataLens Africa

TextEntity (NER) Classification

Trained to label and prepare text data for AI training using guideline-driven annotation practices. The work involved classifying text and ensuring annotations were accurate and consistent with expected label definitions. You completed quality checks to confirm the reliability of the resulting dataset. • Performed text classification and labeling tasks • Followed labeling guidelines for consistent tag application • Conducted quality checks for annotation accuracy • Supported AI training data preparation through cleaned labels

Not specified

Data Annotation Training – DataLens Africa (Data annotation specialist training)

ImageClassification

Trained through DataLens Africa in data annotation workflows used for AI training datasets. The training covered how to apply labeling guidelines, maintain consistency, and verify annotation quality. You performed practical labeling tasks and QA checks to support model-ready datasets. • Annotated image datasets following provided guidelines • Applied classification and tagging based on labeling instructions • Conducted quality checks for accuracy and consistency • Prepared annotations for AI training usage

Not specified

Education

Work History