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pamela fox's blog In that post, I focused on evaluating a model’s answers for a set of questions that could be answered by the data. But what about all those questions that can’t be answered by the ...
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Triggering Numeric Keyboards with HTML5
pamela fox's blog Triggering Numeric Keyboards with HTML5 In the PhoneGap-powered mobile apps for EatDifferent, there's a part where you can enter measurements like weight and body fat — numbers lik...
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Improving front page performance: removing images, 5 ways
pamela fox's blog Improving front page performance: removing images, 5 ways We regularly hold Fix-Its at Khan Academy, where we take a day to work on the little things that pile up, the bugs and tw...
Blog.pamelafox.org news digest
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1 month
Evaluating RAG chat apps: Can your app say "I don't know"?
In a recent blog post, I talked about the importance of evaluating the answer quality from any RAG-powered chat app, and I shared my ai-rag-chat-evaluator repo for running bulk evaluations.
In that post, I focused on evaluating a model’s answers for a set of questions that could be answered by the data. But what about all those questions that can’t be answered by the data? Does your model know how to say “I don’t know?” LLMs are very eager... -
1 month
RAG techniques: Function calling for more structured retrieval
Retrieval Augmented Generation (RAG) is a popular technique to get LLMs to provide answers that are grounded in a data source. When we use RAG, we use the user's question to search a knowledge base (like Azure AI Search), then pass along both the question...
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2 months
RAG techniques: Cleaning user questions with an LLM
When I introduce app developers to the concept of RAG (Retrieval Augmented Generation), I often present a diagram like this:
The app receives a user question, uses the user question to search a knowledge base, then sends the question and matching bits of information to the LLM, instructing the LLM to adhere to the sources.... -
3 months
Converting HTML pages to PDFs with Playwright
In this post, I'll share a fairly easy way to convert HTML pages to PDF files using the Playwright E2E testing library.
Background: I am working on a RAG chat app solution that has a PDF ingestion pipeline. For a conference demo, I needed it to ingest HTML webpages instead. I could have written my own HTML parser or tried to integrate the LlamaIndex reader, but since...
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Web host: | Google LLC |
Registrar: | Public Interest Registry |
Registrant: | REDACTED FOR PRIVACY |
Updated: | June 08, 2022 |
Expires: | June 02, 2023 |
Created: | June 02, 2009 |
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