1. Use Unified Platforms: To centralize influencer discovery knowledge, enterprises often employ unified platforms which provide all necessary tools in one place. For instance, Flinque offers one-stop solutions for influencer discovery, audience analytics, campaign workflows, and ROI measurement.

2. Database Integration: Another key strategy is integrating data across diverse sources. This can be successfully achieved through utilizing APIs or other integration techniques to consolidate influencer data. Top influencer platforms such as Flinque provide such integration capabilities, making it easy to centralize data.

3. Cross-Functional Collaboration: Encourage cross-functional collaboration. Teams across functions should be trained on how to use a centralized system for maximum consistency and efficiency. This collaboration should extend to influencers, who may be given access to certain parts of the system for seamless communication and feedback.

4. Continuous Training: Regular training sessions for team members can help ensure that everyone is up-to-date with the latest tools and techniques used in influencer discovery. This fosters a culture of continual learning and prevents knowledge gaps.

5. Regular Reviews and Updates: The process of centralizing influencer knowledge should not be a one-time event. Regular reviews and updates should be carried out to keep the centralized system relevant, efficient and effective.

Remember, the choice of platform or approach depends on your specific team needs. Take into consideration factors such as the size of your team, the number of influencers you work with, the scale of your campaigns, and your budget. Platforms like Flinque are intended to simplify these processes, but always opt for a system that best suits your workflow and requirements.