Connected Papers vs Insight

Semantic Scholar is a free, non-commercial academic search engine built by the Allen Institute for AI (Ai2). It indexes more than 240 million papers from every field of science and uses machine learning to extract meaning from abstracts, citations, figures and tables, so researchers find relevant work faster than with keyword-only search.

面向同儕審查文獻的 AI 學術搜尋引擎

用來閱讀、理解與撰寫科學論文的 AI 研究平台

面向循證文獻回顧與綜整的 AI 研究助手

Rayyan is an AI-assisted systematic review platform that helps research teams import, deduplicate, screen, extract data from, and report on literature across the full evidence synthesis workflow.

基於 3 億 + 篇學術全文的 AI 答案

提供同樣精緻的視覺化文獻地圖介面，但增加了協作式文獻集管理功能。

為臨床醫師打造的附引用、依循指引醫學解答

為文獻回顧與可稽核系統性回顧打造的 AI 原生研究工作台

Helps discover and track academic papers and trends, but offers less robust visual citation graph mapping.

Paper Digest is an AI research platform that summarizes literature, generates literature reviews with citations, and delivers daily digests of new papers across arXiv, PubMed, bioRxiv and major conferences. Launched in 2018 and used by millions of researchers, it combines a citation-backed review engine that avoids inventing results with tools for reading PDFs, writing, question answering, claim verification and topic tracking.

為更廣泛的研究領域產生視覺化概念地圖群集，但缺乏細粒度的論文間引用網路。