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The database will often suggest synonyms and related words to try. [13] Truncation The shortening of a search word, field, or record. In the case of truncating a search word, this is a strategy used to search among multiple variants or spellings of a word. The asterisk (*) is generally used as a wildcard to replace a letter or letters.
In library and information science documents (such as books, articles and pictures) are classified and searched by subject – as well as by other attributes such as author, genre and document type. This makes "subject" a fundamental term in this field. Library and information specialists assign subject labels to documents to make them findable.
Index terms can consist of a word, phrase, or alphanumerical term. They are created by analyzing the document either manually with subject indexing or automatically with automatic indexing or more sophisticated methods of keyword extraction. Index terms can either come from a controlled vocabulary or be freely assigned.
Subject indexing is the act of describing or classifying a document by index terms, keywords, or other symbols in order to indicate what different documents are about, to summarize their contents or to increase findability. In other words, it is about identifying and describing the subject of documents. Indexes are constructed, separately, on ...
In academic publishing, letters to the editor of an academic journal are usually open postpublication reviews of a paper, often critical of some aspect of the original paper. The authors of the original paper sometimes respond to these with a letter of their own. Controversial papers in mainstream journals often attract numerous letters to the ...
In the philosophy of logic and language, it is understood as the way a piece of text relates to a subject matter or topic. R. A. Fairthorne (1969) is credited with coining the exact term "aboutness", which became popular in LIS since the late 1970s, perhaps due to arguments put forward by William John Hutchins (1975, 1977, 1978).
Sample (material), a limited quantity of something which is intended to be similar to and represent a larger amount; Biological specimen or biospecimen, an organic specimen held by a biorepository for research Laboratory specimen, a biological specimen taken by sampling; Zoological specimen, an animal or part of an animal preserved for ...
Human subject research is systematic, scientific investigation that can be either interventional (a "trial") or observational (no "test article") and involves human beings as research subjects, commonly known as test subjects. Human subject research can be either medical (clinical) research or non-medical (e.g., social science) research. [1]