indexingsearch
Indexingsearch is the practice of creating and using indexes to enable efficient retrieval of information in response to user queries. It encompasses the steps of organizing data into searchable structures, updating those structures as data changes, and executing queries to return relevant results. In practice, indexing and search are tightly integrated parts of information retrieval systems such as search engines, enterprise search platforms, and document repositories.
Core data structures include the inverted index, which maps terms to documents containing them; and the forward
Indexing search pipelines typically involve data ingestion, text normalization (lowercasing, stop-word removal, stemming or lemmatization), tokenization,
Query processing combines parsing of user queries, matching against the index, and ranking. Ranking models may
Applications include web search, product search, digital libraries, and code search. Common challenges include handling large-scale