Lecture Database system concepts - Chapter 19: Information retrieval
Lecture Database system concepts - Chapter 19: Information retrieval
This chapter covers decision support, including online analytical processing and data mining and information retrieval. In this chapter introduce data analysis and mining with the following contents: Relevance ranking using terms; relevance using hyperlinks; synonyms, homonyms, and ontologies; indexing of documents; measuring retrieval effectiveness; web search engines; information retrieval and structured data; directories.