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Product Management Technical Question: Yelp closed restaurant identification system design

Asked at Yelp

15 mins

How should Yelp identify closed restaurants?

Product Technical Hard Member-only
Technical Architecture Data Strategy Machine Learning Implementation Local Search Restaurant Industry Location-based Services
Data Analysis User Trust Machine Learning Restaurant Tech Real-Time Processing

Identifying Closed Restaurants: A Technical Solution for Yelp

Introduction

The challenge of identifying closed restaurants is crucial for maintaining Yelp's data integrity and user trust. This problem intersects with data accuracy, user experience, and platform reliability. My approach will focus on developing a scalable, automated system that can quickly and accurately identify restaurant closures while minimizing false positives.

To address this, I'll outline a comprehensive strategy that covers:

  1. Clarifying technical requirements
  2. Analyzing the current state and challenges
  3. Proposing technical solutions
  4. Developing an implementation roadmap
  5. Establishing metrics and monitoring
  6. Managing risks
  7. Outlining a long-term technical strategy

Tip

Ensure the technical solution aligns with Yelp's broader goals of providing accurate, timely information to users while maintaining platform scalability and performance.

Step 1

Clarify the Technical Requirements (3-4 minutes)

"Considering Yelp's extensive database of restaurants, I'm assuming we're dealing with a large-scale data management challenge. Could you provide insights into the current data architecture and how restaurant information is stored and updated?

Why it matters: Determines the scalability requirements and potential limitations of our solution. Expected answer: Distributed database system with real-time updates. Impact on approach: Would influence our data processing and update mechanisms."

"Given the critical nature of this information for users, I'm curious about the current update frequency for restaurant data. What's our current refresh rate, and are there any technical limitations preventing more frequent updates?

Why it matters: Affects the timeliness of our closure detection system. Expected answer: Daily batch updates with some real-time capabilities. Impact on approach: May require enhancing real-time processing capabilities."

"Considering the potential for false positives in closure detection, what are our current mechanisms for verifying closures, and how do they integrate with our overall system architecture?

Why it matters: Influences the reliability and accuracy of our solution. Expected answer: Manual verification process with limited automation. Impact on approach: Would guide the development of automated verification systems."

"Looking at Yelp's mobile and web platforms, how integrated is the restaurant data across these different interfaces? Are there any technical constraints in ensuring consistent information across all platforms?

Why it matters: Ensures a unified user experience and data consistency. Expected answer: API-driven architecture with some synchronization challenges. Impact on approach: May require enhancing our data synchronization mechanisms."

Tip

Based on these clarifications, I'll assume we're working with a distributed database system, with a mix of batch and real-time updates, and that we need to enhance our automated verification processes while ensuring cross-platform consistency.

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