Seonglae ChoIR
Goal of information retrieval is to find documents that are relevant to a user’s query. How is relevance defined? Basically Statistical Language Model have focused on content dependent models of relevance. Content dependent models has limitation since all documents are not created equal in the perspective of Credibility, Trust, and Authority. Can the link structure of the web be used to help infer the relevance of pages? → Citation analysis model (PageRank)
Information retrieval notion
Information retrieval
Information retrieval (IR) in computing and information science is the process of obtaining information system resources that are relevant to an information need from a collection of those resources. Searches can be based on full-text or other content-based indexing. Information retrieval is the science[1] of searching for information in a document, searching for documents themselves, and also searching for the metadata that describes data, and for databases of texts, images or sounds.
https://en.wikipedia.org/wiki/Information_retrieval
1968
Automatic Information Organization and Retrieval.: | Guide books | ACM Digital Library
Substantial successes were achieved in the early years in automatic indexing and retrieval using single term indexing theories with term weight assignments based on frequency considerations. The development of more refined indexing systems using ...
https://dl.acm.org/doi/10.5555/1096906