Yan Y.

Key Skills

Software

No software listed

Top Subject Matter

Education course content QA and speech/NLP dataset labeling

Speech transcription

semantic tagging

Top Data Types

Image

Audio

Text

Document

Top Task Types

Transcription

Classification

Freelancer Overview

Course Analysis Supervisor (AI training data annotation and labeling support). Brings 2+ years of professional experience across complex professional workflows, research, and quality-focused execution. Education includes Bachelor of Science, Chongqing Three Gorges University (2024). AI-training focus includes data types such as Image, Audio, and Text and labeling workflows including Transcription and Classification.

Labeling Experience

Statistical Clerk (AI training data annotation and QA support)

TextClassification

Supported AI model training by annotating business text and speech data, then performing data cleaning and quality inspection. Applied annotation standards for data classification and label calibration to ensure consistent labeling across the dataset. Processed thousands of annotated data entries to improve accuracy and standardization of training data for model development. • Labeled business text and speech data for AI training • Performed cleaning and preprocessing for labeled datasets • Conducted quality inspection to verify label correctness • Calibrated labels based on annotation standards and dataset requirements

2024 - 2025

Course Analysis Supervisor (AI training data annotation and labeling support)

ImageTranscription

Supervised course analysis work included annotating image data for backend AI model training and evaluating course content validity. Reviewed user exam papers and handled labeling for hard-to-recognize handwriting. Performed speech transcription labeling for voice recordings to support downstream speech/NLP training workflows. • Annotated handwriting and image-based samples • Checked user exam papers and corrected/confirmed label accuracy • Conducted speech transcription labeling from voice recordings • Supported backend AI training data preparation and validation

2022 - 2022

AI Association Staff Member (speech/text corpus annotation)

AudioTranscription

Contributed to speech and text corpus annotation projects by completing speech transcription and semantic tag classification following strict guidelines. Performed corpus cleaning to remove errors and improve training dataset integrity. Conducted quality inspection and review to identify recurring annotation errors and recommend improvements to annotation procedures. • Completed thousands of text annotations • Produced nearly one hundred hours of speech transcription • Classified semantic tags and performed corpus cleaning • Performed annotation quality inspection and error identification

2020 - 2021

Education

Work History