indexeringens
Indexeringens denotes the act and system of creating and maintaining an index to support information retrieval. In information retrieval, indexing converts a collection of documents into data structures that allow fast search. The most common form is an inverted index, listing terms and the documents in which they appear. The indexing process typically includes document collection, text extraction, normalization (lowercasing, stemming or lemmatization), stop-word removal, and tokenization. Optional steps include handling synonyms and phrases, n-grams, and term weighting (for example TF-IDF or BM25) to improve ranking.
Within library science and archival work, indexering involves cataloging—assigning metadata, controlled vocabularies, and subject headings—to enable
Indexeringens benefits include faster query response, scalability, and improved relevance of results. It also introduces storage