nyckelord

Nyckelord is a Swedish term meaning keyword, referring to a word or short phrase that expresses the main topics of a text, document, or query. The concept is used in linguistics, information retrieval, and digital content management to summarize content and improve searchability.

Origin: from nyckel (key) and ord (word). In Swedish usage, a nyckelord is the term used to mark important ideas in a text and to indicate the subject matter at a glance.

Information retrieval and metadata: Nyckelord serve as metadata or tags to index materials in libraries, databases, and search systems, supporting tagging, filtering, and retrieval. They help users find relevant documents even when exact phrasing differs between the query and the content.

In online publishing and SEO: Writers and publishers select nyckelord to align content with user searches. Keyword research, relevance to topic, and user intent are guiding principles; overuse or irrelevant terms can reduce clarity and reader satisfaction. Long-tail phrases may improve discoverability for specific questions or tasks.

Natural language processing and data analysis: In NLP, keyword extraction methods such as TF-IDF, RAKE, and graph-based approaches identify candidate nyckelord from text to support summarization, indexing, and topic modeling. These techniques automate the identification of terms that best represent the content.

Usage in education and reference works: Nyckelord appear in glossaries, abstracts, and indexes to aid readers in understanding and navigating a work, and to facilitate cross-referencing across related topics.