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News
Adding Semantic Search to an Existing DynamoDB Table with Vector Indexes
2+ hour, 56+ min ago (785+ words) The current API uses a serverless setup. It includes SAM for infrastructure, API Gateway in front, Lambda functions behind, and DynamoDB for storage. The API contains plain CRUD operations to manage recipes: create, read, update, delete, and list. Semantic search…...
Pew Study Shows Google AI Summaries Are Reshaping Search Click Behavior
1+ day, 5+ hour ago (440+ words) Pew's study used data from KnowledgePanel Digital, covering the real-world browsing activity of participating U.S. adults. It is a snapshot of Google search behavior in March 2025, not a measure of every search engine, country, audience, or query type. That scope matters....
For Structured Data, Retrieval Accuracy Isn't a Model Problem
1+ week, 12+ hour ago (468+ words) MongoDB shipped three retrieval features this week: context-aware embeddings, hybrid search, and a native reranker. The pitch is the same one every vector database is making right now: retrieval accuracy is the thing that determines whether an agent's next step…...
TF-IDF Explained and Implemented
1+ week, 1+ day ago (409+ words) TF-IDF is two ideas multiplied together, and both of them are things you already believe about language. It is worth implementing once from scratch, because the version in your library has four configuration choices that change the numbers and are…...
AI Search for Local Businesses: How to Compete Beyond Google Rankings
1+ week, 1+ day ago (663+ words) Ranking #1 in classic SERPs no longer guarantees you get mentioned when an LLM synthesizes an answer. As developers, that means the job has expanded: we're no longer optimizing purely for a crawler that returns links — we're optimizing for models that…...
How to Grade Search Relevance Before You Touch the Ranking Weights
1+ week, 2+ day ago (648+ words) I wrote earlier about load-testing a Postgres full-text index and pinning down relevance. A commenter on that post sharpened the key point: if you tune weights against a live table, you are comparing two systems that are both changing at…...
Add Full-Text Search to Your App Before Reaching for Elasticsearch
1+ week, 4+ day ago (496+ words) I keep watching teams stand up an Elasticsearch or OpenSearch cluster for what is, in practice, a search box over ten thousand blog posts. Then they inherit an entire second data store to keep in sync, secure, back up, and…...
UUID in Manticore: A Practical Guide
2+ week, 20+ hour ago (370+ words) INSERT for multiple documents and the @@session.last_insert_id variable are covered in detail in the documentation section on adding documents. Let's add another document with a known ID to check IN: You can change attributes with a regular UPDATE. The id…...
Teaching a Local AI Agent to Search the Web (Without Lying to You)
2+ week, 5+ day ago (847+ words) Back in early May, someone on the team said something like "let's just add web search, shouldn't take more than a day." Three months and roughly twenty-five separate debugging sessions later, that sentence has become a running joke — the kind…...
The engineering behind a search bar. Is it worth reinventing the wheel?
2+ week, 6+ day ago (1086+ words) This article it is about the follow repository. I hope you all have a moment to understanding more... Tagged with mongodb, database, algorithms, csharp....