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This article introduces the fundamentals of compiler front‑end development, covering lexical analysis with finite automata, syntax analysis using context‑free grammars and parsing strategies, and semantic analysis concepts, while providing practical Antlr examples for Java code tokenization, parsing, and semantic checks.
This article provides a comprehensive overview of natural language processing fundamentals, covering the challenges of language modeling, N‑gram and Markov assumptions, smoothing techniques such as discounting and add‑one, evaluation via perplexity, basic tasks like Chinese word segmentation, subword tokenization, POS tagging, syntactic and semantic parsing, and a range of downstream applications including information extraction, sentiment analysis, question answering, machine translation, and dialogue systems.
JD.com's technical architecture team partnered with product teams to leverage the Euler knowledge computing platform and product knowledge graph to enhance the e-commerce review ecosystem, improving user experience in UGC communities through intelligent content management.
In a June 28 presentation at Baidu’s 51st Technology Salon, senior NLP researcher Zhao Shiqi showcased Baidu Kaoba—a conversational search tool for college admissions—illustrating how inference‑based rewriting, ellipsis completion, concept clarification and interactive generation enable deep, domain‑specific semantic understanding that he predicts will power future internet services.