1 Why Do We Still Need “Guess What You Want” Because it overlaps with the newly added "Right Menu" feature on the article page, after some consideration, I decided to remove the "Guess What You Want" feature. However, this article is still kept as a reference example for implementing similar features. In previous articles (see: Building a "Lightweight Knowledge Index" for My Blog…

1 Changes Happening in the AI Era In today's society, AI has slowly penetrated into daily life. Large model products like ChatGPT, Claude, Gemini, as well as domestic ones like Doubao and DeepSeek, are already household names for ordinary people, who can use them to solve some basic…

1 When Embedding Moves from Experiment to Basic Capability In the previous article introducing RAG, I introduced that the core tool for vectorizing segmented text is the "embedding model" (see article: Understanding RAG from Scratch (Part 1): Principles and Complete Process Analysis), and also in the subsequent...

1 Preface In the previous article (see article: Home Data Center Series - Understanding RAG from Scratch (I): Principles and Complete Process Analysis), I introduced the theoretical five-step process of RAG: “Chunking → Vectorization → Vector Storage → Retrieval → Answer Generation”; subsequently...

1 Preface From my previous articles on RAG and knowledge bases, a word often appears—vector. It can be said that vector is one of the core concepts of AI. Anyone who has had contact with AI is probably no stranger to this word. In fact, even if it is not because of AI, everyone's understanding of vec...

1 The Crisis and Value of Personal Blogs Today. Once upon a time, the creative form of personal blogs (hereinafter referred to as blogs) was a beautiful landscape on the Internet. It was an era when everyone was willing to write something and share some insights: programmers recorded study notes, travelers wrote down stories along the way, food lovers...

1 Preface In the previous article, I sorted out the core concepts and processes of RAG (see article: Home Data Center Series - Understanding RAG from Scratch (Part 1): Principles and Complete Process Analysis), but that was, after all, still at the theoretical level, mere talk on paper. To make RAG actually run, it is necessary...

1 Preface I have always had an idea—to build a chatbot for my blog so that it can understand the content of the articles in the blog and intelligently answer visitors' questions. At first glance, this requirement seems very simple, but in practice, it involves a series of unfamiliar and complex concepts: such as...

1 Preface My usual habit of using AI has actually always been very “simple”—the priority has always been like this: 1. ChatGPT official client (using free quota, anyway I don't use it much, occasionally exceeding the limit and waiting for a few hours, just as a forced break); 2. LobeChat...

1 Preface The AI learning map in my blog has not been updated for a while. It's not that my interest in AI has waned; on the contrary, many ideas and explorations have already taken shape in my mind. The reason that really made me stop is actually very simple: many practical scenarios ultimately cannot bypass “paid A...