Enhancing Chat Automation

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Predicting the right reply isn't just about words — it’s about tone, context, and timing. Our annotation work made AI messaging sound more human.

Industry E-commerce and Retail
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Industry E-commerce and Retail

Client Request

Every day, thousands of buyers ask the same questions — and sellers can’t always keep up.

To automate these routine conversations without losing the human touch, a major classified platform turned to Unidata. The client aimed to develop an AI-powered system capable of predicting suggested replies in user-to-user chats. The goals were to:

  • Streamline conversations between sellers and buyers
  • Improve message relevance and clarity
  • Reduce the risk of inappropriate or offensive messages

Unidata was engaged to provide high-quality data annotation for training the model. After reviewing and refining the client’s technical documentation, we initiated the project.

Our Approach

  • 01

    Technical Scope and Pilot Phase

    The client supplied detailed guidelines outlining annotation requirements. Our team reviewed the instructions and proposed clarifications to better align the process with linguistic and contextual nuances.

    During the pilot phase, we focused on:

    • Addressing questions related to linguistic accuracy and stylistic tone
    • Ensuring text suggestions reflected correct grammar and spelling
    • Maintaining a conversational, informal style appropriate for peer-to-peer messaging
    • Aligning all outputs with the norms of Russian language usage and the expectations of the platform’s user base
  • 02

    Annotation and Review Process

    Our annotation team evaluated and labeled each suggested reply based on the following key criteria:

    • Relevance to the user’s message
    • Absence of provocative or offensive content
    • Contextual accuracy within the flow of conversation
    • Grammatical and stylistic correctness, including informal phrasing typical for chat communication

    This required attention to detail across tone, punctuation, and naturalness of expression.

  • 03

    Validation Workflow

    To ensure the highest accuracy, each batch of annotated suggestions underwent mandatory validation. Our validation process included:

    • Selecting representative data samples for quality control
    • Actively raising clarification requests and edge cases with project leads
    • Sharing productivity and quality statistics per annotator with team managers

    We placed particular emphasis on validator performance by:

    • Involving the training team to improve validator skill levels
    • Providing targeted learning resources and quality feedback loops

Results

  • The model trained on the annotated dataset was successfully deployed.

  • Internal client testing was conducted using real-time user dialogs to assess the accuracy and appropriateness of predicted replies. Early results showed high-quality, context-aware suggestions, no inappropriate topics or formulations, and natural tone suited for real conversations

  • In a dedicated testing session, the client team manually evaluated the model’s responses in a live test environment. The system returned neutral, context-appropriate suggestions that avoided escalation or policy violations.

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