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Search CNKI (中国知网) for papers by keyword. Use when the user wants to find academic papers on a topic.

Download a paper PDF/CAJ from CNKI. Requires user to be logged in. Use when user wants to download a specific paper.

Perform advanced search on CNKI with field filters like author, title, journal, date range, source category (SCI/EI/CSSCI/北大核心). Use when user needs precise filtered search beyond simple keywords.

Search for journals/publications on CNKI by name, ISSN, CN, or sponsor. Use when the user wants to find a specific journal or browse publications.

Pulls title, authors, affiliations, abstract, keywords, funding, and classification from a CNKI paper page into structured fields you can export or reuse.

Query journal indexing/inclusion status on CNKI - check which databases include a journal (北大核心, CSSCI, CSCD, SCI, EI, etc.), get impact factors and evaluation data. Use when user asks about a journal's level, indexing, or ranking.