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Takayoshi Yagi

Takayoshi Yagi

AI Dialogue and Text Quality Evaluator English Japanese Language Focus

Japan flagShizuoka, Japan
$18.00/hrIntermediateAppenData Annotation TechOther

Key Skills

Software

AppenAppen
Data Annotation TechData Annotation Tech
Other

Top Subject Matter

No subject matter listed

Top Data Types

AudioAudio
DocumentDocument
TextText

Top Task Types

Data Collection
Evaluation Rating
Segmentation
Text Generation

Freelancer Overview

As an AI Trainer, I specialized in data labeling tasks, ensuring precise adjustments to Japanese language outputs for accuracy and cultural relevance. I meticulously reviewed and refined communications between generated AI systems and human users, aligning them with client instructions and predefined outlines to guarantee fidelity and natural flow. Additionally, I conducted thorough quality checks and corrections on deliverables produced by fellow AI trainers, verifying that composed dialogues were accurate, contextually appropriate, and free of errors.

IntermediateEnglishJapanese

Labeling Experience

Appen

Apeen Data labeling in English and Japanese

AppenTextEvaluation Rating
I managed task over 400 a day to evaluate the sentence and short word. In order to educate the AI, how much relevance the two meaning

I managed task over 400 a day to evaluate the sentence and short word. In order to educate the AI, how much relevance the two meaning

2025 - 2025

Auditor of AI output

OtherTextText Generation
Data Annotation and Content Analysis: Supported the training and evaluation of generative AI models by assessing the semantic relevance and contextual accuracy of words, phrases, and sentences. Contributed to building datasets for natural dialogue and content generation by generative AI. Evaluated AI outputs in response to user queries and refined outputs to improve accuracy. Created high-quality responses to queries, requiring 45–75 minutes per response. Completed shorter conversational exchanges within 30 minutes. Data Quality Optimization: Adhered to annotation guidelines while performing quality checks to minimize errors in AI-generated content. Ensured the exclusion of violent or discriminatory content during quality control. • Feedback Provision: Evaluated AI model outputs and provided suggestions for improvement, such as correcting unnatural Japanese expressions or recommending trend-based vocabulary additions.

Data Annotation and Content Analysis: Supported the training and evaluation of generative AI models by assessing the semantic relevance and contextual accuracy of words, phrases, and sentences. Contributed to building datasets for natural dialogue and content generation by generative AI. Evaluated AI outputs in response to user queries and refined outputs to improve accuracy. Created high-quality responses to queries, requiring 45–75 minutes per response. Completed shorter conversational exchanges within 30 minutes. Data Quality Optimization: Adhered to annotation guidelines while performing quality checks to minimize errors in AI-generated content. Ensured the exclusion of violent or discriminatory content during quality control. • Feedback Provision: Evaluated AI model outputs and provided suggestions for improvement, such as correcting unnatural Japanese expressions or recommending trend-based vocabulary additions.

2023 - 2025

Education

U

University of Teikyo

Bachelor's Degree, Aerospace Engineering

Bachelor's Degree
Not specified
Q

Queensland University of Technology

Master of Applied Finance, Applied Finance

Master of Applied Finance
Not specified

Work History

H

Horizon Partners LLC

International Trade Manager

Tokyo
2022 - Present
J

JATCO Ltd.

Quality Control Engineer

Head Office
2016 - 2017