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PubMed is a free database including primarily the MEDLINE database of references and abstracts on life sciences and biomedical topics. The United States National Library of Medicine (NLM) at the National Institutes of Health maintains the database as part of the Entrez system of information retrieval.
A research design typically outlines the theories and models underlying a project; the research question (s) of a project; a strategy for gathering data and information; and a strategy for producing answers from the data. [1] A strong research design yields valid answers to research questions while weak designs yield unreliable, imprecise or ...
An organization's highest-ranking copy editor, or the supervising editor of a group of copy editors, may be known as the "copy chief", "copy desk chief", or "news editor". In the United Kingdom, the term "copy editor" is used, but in newspaper and magazine publishing, the term is subeditor (or "sub-editor"), commonly shortened to "sub". [6]
Purpose of the data hierarchy. "Data hierarchy" is a basic concept in data and database theory and helps to show the relationships between smaller and larger components in a database or data file. It is used to give a better sense of understanding about the components of data and how they are related. It is particularly important in databases ...
Note (typography) In publishing, a note is a brief text in which the author comments on the subject and themes of the book and names supporting citations. In the editorial production of books and documents, typographically, a note is usually several lines of text at the bottom of the page, at the end of a chapter, at the end of a volume, or a ...
ER models are readily used to represent relational database structures (after Codd and Date) but not so often to represent other kinds of data structure (such as data warehouses and document stores) Some ER model notations include symbols to show super-sub-type relationships and mutual exclusion between relationships; some do not.
Contents. Harvard Business Review. Harvard Business Review (HBR) [ 3 ][ 4 ] is a general management magazine [ 5 ][ 6 ] published by Harvard Business Publishing, a not-for-profit, independent corporation that is an affiliate of Harvard Business School. HBR is published six times a year [ 3 ] and is headquartered in Brighton, Massachusetts.
Subject indexing. 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.