6 quotes
Classification in its simplest terms, means putting together things or ideas that are alike, and keeping separate those that are different.
Classification and indexing in science (1958)
The structure if a fully developed classification can be technically described in the following way
Classification and indexing in science (1958)
History presents a series of cultural epochs. Each is a span of years within which knowledge presents a more or less unified structure which can be expressed in a classification, but each new epoch requires a new classification.
Classification and indexing in science (1958)
In scientific information, then, we find that subjects - the themes and topics on which books and articles are written - cluster into fields, each of which can be analysed into its characteristic set of facets of terms.
Classification and indexing in science (1958)
The basic rules of classification are
- Each characteristic of division must produce at least two classes
- Only one principle of division must be used at a time, to produce mutually exclusive classes.
- The species of any genius must be completely exhaustive of their parent class.
Classification and indexing in science (1958)
Scientific information is faced with the following problem. On the one hand, we have the world’s literature of science and technology, past and present, in many languages; on the other, and enquirer with a question. How to select, from a vast mass of words, the few that are the most closely relevant to an enquiry? It is this selection process that makes use of classification.
Classification and indexing in science (1958)