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DataFunSummit
DataFunSummit
May 9, 2025 · Artificial Intelligence

Practical Experience Building Zhihu Direct Answer: An AI‑Powered Search Product

This article presents a comprehensive overview of Zhihu Direct Answer, describing its AI‑driven search architecture, RAG framework, query understanding, retrieval, chunking, reranking, generation, evaluation mechanisms, engineering optimizations, and the professional edition, while sharing concrete performance‑boosting practices and future development plans.

AIGenerationRAG
0 likes · 14 min read
Practical Experience Building Zhihu Direct Answer: An AI‑Powered Search Product
Zhihu Tech Column
Zhihu Tech Column
Jan 17, 2025 · Artificial Intelligence

Zhihu Direct Answer: Product Overview and Technical Practices

This article summarizes the key technical insights from Zhihu Direct Answer, an AI-powered search product, covering its product overview, RAG framework, query understanding, retrieval strategies, chunking, reranking, generation techniques, evaluation methods, and engineering optimizations for cost and performance.

AI SearchChunkingEngineering Optimization
0 likes · 13 min read
Zhihu Direct Answer: Product Overview and Technical Practices
DaTaobao Tech
DaTaobao Tech
May 27, 2024 · Artificial Intelligence

Sampling Strategies for Large Language Models: Greedy, Beam, Top‑K, Top‑p, and Temperature

The article explains how greedy search, beam search, Top‑K, Top‑p (nucleus) sampling, and temperature each shape large language model generation, comparing their effects on repetition, diversity, and creativity, and provides concise TensorFlow‑based code examples illustrating these inference‑time strategies.

AIGenerationLLM
0 likes · 15 min read
Sampling Strategies for Large Language Models: Greedy, Beam, Top‑K, Top‑p, and Temperature
php中文网 Courses
php中文网 Courses
Jul 28, 2023 · Backend Development

Parsing and Generating XML Files in PHP

This article explains how to use PHP's built-in XML extension to parse XML files into a DOM tree and to generate XML documents programmatically, providing step‑by‑step code examples for loading, traversing, creating elements, setting attributes, and saving the resulting XML files.

Backend DevelopmentDOMGeneration
0 likes · 4 min read
Parsing and Generating XML Files in PHP
Qunar Tech Salon
Qunar Tech Salon
Mar 1, 2018 · Artificial Intelligence

Open-Domain Chatbot Implementation: Retrieval and Generative Approaches

This article explains the implementation of open-domain chatbots for customer service, comparing retrieval‑based and generative seq2seq approaches, describing hybrid methods that first attempt constrained retrieval before falling back to generation, and discusses training data, keyword extraction, and performance observations.

AIChatbotCustomer Service
0 likes · 6 min read
Open-Domain Chatbot Implementation: Retrieval and Generative Approaches