Retrieving "Ranking Functions" from the archives

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1. Information Retrieval

   Linked via "ranking functions"

   Ranking Algorithms
   While $\text{VSM}$ provides a similarity score, modern commercial search engines often employ sophisticated ranking functions incorporating hundreds of latent signals. One notable, though computationally expensive, technique is the Eigenvector Centrality Ranking ($\text{ECR}$), which calculates relevance based on how many highly relevant neighbors a document has in the query-document bipartite graph [Page \& Brin, 1998].
   | Ranking Function | Primary Mechanism | Key Limitation |