We t are impossible these days to read a library diary, sit in a library taiwanese beautiful women meeting, if not has actually a casual chat with almost every other librarians as opposed to hearing the sentences « MARC style, » « MARC facts, » otherwise « MARC-suitable. » Of many library masters haven’t had a way to grab certified courses explaining the significant information from library automation therefore the role out of MARC, yet automatic collection assistance are nevertheless a fundamental piece of its libraries.
That it booklet will show you — regarding the easiest conditions you can easily — what a MARC list is actually, and it will surely deliver the very first advice needed to learn and you will have a look at a MARC power listing. A companion document, Information MARC Bibliographic, centers on the fresh new MARC bibliographic list.
How much does MARC Mean?
Machine-readable: « Machine-readable » implies that a computer, can be discover and you may interpret the info within the an archive. The following pages will explain as to why this is very important and exactly how it is permitted.
Cataloging list: Cataloging suggestions come in 2 types: 1) Bibliographic details, containing facts about a book, serial, sound recording, videorecording, an such like., and you can dos) Authority suggestions, which contain standard variations to possess labels, headings, and you will sufferers that will be placed on bibliographic facts and supply cross sources from inside the magazines. Wisdom MARC Bibliographic means the first type, so it booklet refers to the next.
MARC Authority Listing: MARC authority ideas hold the standard types of names for all those, corporate government (including, societies, people, institutions, etc.), conferences, headings, and you will victims. In this manner, authority facts render authority handle . Power control setting establishing a respected setting to possess an organization term and using one to setting once the name’s called for due to the fact an entry way from inside the an excellent bibliographic number.
For example, for individuals who searched in your library’s online inventory for the common guide, « Brand new Escapades away from Tom Sawyer, » because of the Draw Twain, you might recover the following bibliographic listing monitor:
Area I
The writer and you can Subject records (showcased a lot more than) is actually regulated, approved different term and topic titles which might be present in independent power facts and you will utilized since the availability products on the bibliographic record.
Rather than power manage, in search of style of guides during the a huge collection catalog could be for example searching for a needle from inside the an excellent haystack!
It is very important note that the latest elements out-of a name, otherwise topic supposed during the an authority number is based on basically accepted cataloging and you can thesaurus-strengthening conventions. The fresh new MARC 21 authority record just holds or carries these titles for usage in library possibilities. Hence, it doesn’t in itself set the guidelines getting creating name otherwise topic titles.
It is quite important to keep in mind that in lieu of bibliographic information, expert information don’t represent information when you look at the a library’s collection. Instead, he or she is systems employed by librarians to attain consistency certainly bibliographic ideas and supply a connecting structure to have relevant brands and victims inside the an inventory — for this reason throwing the new index to assist users to locate info.
1) Titles, 2) Mix recommendations, and you may step 3) Cards. (MARC power records have a tendency to along with include additional info.) Although these types of portion is discussed temporarily less than, also chatted about on the rest of that it booklet.
1) Heading: The newest standardized « authoritative » variety of a name, topic, otherwise label which is used for accessibility situations on the bibliographic details. The objective of having fun with standardized names and you can subjects toward bibliographic facts is always to assist relevant suggestions feel retrieved to each other.
2) Mix records: References one to head a user away from a variant particular a label or at the mercy of the new formal means (this might be titled a have reference) otherwise from a single formal mode to a different authoritative form while they are linked to one another (this can be called a bring and additionally resource). To possess MARC authority ideas, the newest records try sent otherwise « traced » into number towards the formal supposed.