Firebase Vector Search:**SemaDB: A Vector Search Tool Based on Firebase.** **Step-by-Step Explanation:** 1. **Understand the Original Title:** The original title is "SemaDB is a vector search tool based on Firebase." 2. **Identify Key Components:** - Product Name: SemaDB - Functionality: Vector Search Tool - Technology Basis: Based on Firebase 3. **Apply Simplification:** Convert the sentence structure to make it more concise. 4. **Maintain Clarity and Brevity:** Ensure all essential information is retained without unnecessary words. 5. **Finalize the Revised Title:** Resulting in "SemaDB: A Vector Search Tool Based on Firebase." **Answer:** SemaDB: A Vector Search Tool Based on Firebase.