SIST ISO 2709:1996

SLOVENSKI STANDARD
SIST ISO 2709:1996
01-marec-1996
Dokumentacija - Oblika zapisa za izmenjavo bibliografskih informacij na
magnetnem traku
Documentation -- Format for bibliographic information interchange on magnetic tape
Documentation -- Disposition des données sur bande magnétique pour l'échange
d'informations bibliographiques
Ta slovenski standard je istoveten z: ISO 2709:1981
ICS:
35.240.30 Uporabniške rešitve IT v IT applications in information,
informatiki, dokumentiranju in documentation and
založništvu publishing
SIST ISO 2709:1996 en
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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SIST ISO 2709:1996

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SIST ISO 2709:1996
International Standard @ 2709
INTERNATIONAL ORGANIZATION FOR STANDARDIZATION*MEXAYHAPOflHAR OPTAHWJAUMR no CTAHflAPTW3A~MM*ORGANlSATlON INTERNATIONALE DE NORMALISATION
Documentation - Format for bibliographic information
interchange on magnetic tape
Documentation -. Disposition des données sur bande magnétique pour I'échange d'informations bibliographiques
Second edition - 1981-10-01
UDC 681.327.64.04 : 025.3 Ref. No. IS0 2709-1981 (E)
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Descriptors : documentation, data processing, bibliographic records, information interchange, magnetic tapes, data layout.
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Lc Price based on 5 pages

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SIST ISO 2709:1996
Foreword
IS0 (the International Organization for Standardization) is a worldwide federation of
national standards institutes (IS0 member bodies). The work of developing Inter-
national Standards is carried out through IS0 technical committees. Every member
body interested in a subject for which a technical committee has been set up has the
right to be represented on that committee. International organizations, governmental
and non-governmental, in liaison with ISO, also take part in the work.
Draft International Standards adopted by the technical committees are circulated to
the member bodies for approval before their acceptance as International Standards by
the IS0 Council.
International Standard IS0 2709 was developed by Technical Committee ISO/TC 46,
Documentation, and was circulated to the member bodies in June 1980.
It has been approved by the member bodies of the following countries :
Poland
Australia France
Austria Germany, F. R. Romania
Belgium Hungary South Africa, Rep. of
Brazil India Spain
Canada Iran Sweden
China Italy Switzerland
Czechoslovakia Japan United Kingdom
Korea, Rep. of USA
Denmark
Egypt, Arab Rep. of Mexico USSR
Finland Netherlands
No member body expressed disapproval of the document.
This second edition cancels and replaces the first edition (i.e. IS0 2709-1973).
@ International Organization for Standardization, 1981 0
Printed in Switzerland

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SIST ISO 2709:1996
~
IS0 2709-1981 (E)
INTERNATIONAL STANDARD
Documentation - Format for bibliographic information
interchange on magnetic tape
1 Scope and field of application 3.2 datafield : A variable length portion of the bibliographic
record containing a particular category of data, following the
This International Standard specifies the requirements for a
directory and associated with one entry of the directory.
generalized exchange format which will hold records describing
all forms of material capable of bibliographic description as well
NOTE - A datafield may contain one or more subfields.
as related records such as authority records. It does not define
the length or the content of individual records and does not
3.3 (subfield) identifier : A data element, one or more
assign any meaning to tags, indicators or identifiers; these
characters immediately preceding and identifying a subfield.
specifications being the functions of an implementation format.
(See footnote to 4.3.1.).
This International Standard describes a generalized structure, a
Its first or only character should always be IS1 of IS0 646.
NOTE
framework designed specially for communications between
data processing systems and not for use as a processing format
within systems. Although this International Standard is de-
3.4 indicator : The first data element, if present, associated
signed for magnetic tape, its structure may be used for other with a datafield supplying further information about the con-
data carriers.
tents of the field, about the relationship between the field and
in certain
other fields in the record, or about the action required
data manipulation processes. (See footnote to 4.3.2.).
2 References
IS0 646, 7-bit coded character set for Information processing
record : See 3.1, bibliographic record.
3.5
interchange.
3.6 directory : An index to the location of the datafields
This document describes a character set for general usage, in-
within a record. (See 4.2.).
cluding letters, figures, punctuation marks, other symbols and
control characters, with their coded representation.
3.7 record label : A field occurring at the beginning of each
NOTE -- In IS0 646 the separators used below are specified under IS,,
bibliographic record providing parameters for the processing of
the record.
a is2 and 1~3.
IS0 1001, information processing - Magnetic tape labe/ling
and file structure for information interchange.
3.8 directory map : A set of parameters specifying the
structure of the entries in the directory.
This document relates to information interchange utilizing
magnetic tape, by providing magnetically recorded labels to
3.9 separating character : A control character used to
identify and structure files, and by providing a standard struc-
separate and qualify units of data logically, and in some cases
ture for the blocks containing the records that constitute a file.
hierarchically.
It also specifies a block spanning technique.
subfield : A part of a field containing a defined unit of
3.10
3 Definitions
information.
For the purpose of this International Standard the following
definitions apply. They are listed in the order corresponding to
subrecord : A group of fields within a record which
3.11
figure 2.
may be treated as an entity.
3.1 bibliographic record : A collection of fields, including a
structure : An arrangement of the parts constituting a
3.12
record label, a directory and bibliographic data describing one
bibliographic record.
or more bibliographic units treated as one entity.
NOTE - If required for bibliographic reasons, linking of bibliographic
3.13 (field) tag : Three characters associated with a field
records and their division into subrecords is allowed and should be im-
plemented as specified in the explicit exchange format. and used to identify it.
1

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SIST ISO 2709:1996
IS0 2709-1981 (E)
4.1.2 Record status (character position 5)
4 Structure of communication format for
bibliographic record
A single character, to be defined in an implementation Interna-
tional Standard?), describing the status of a record, for exam-
The general structure of a bibliographic record is shown
schematically in figure 1. A more detailed structure is shown ple, new or amended.
schematically in figure 2, which includes four alternatives for
the bibliographic fields.
4.1.3 Implementation codes [character positions 6 to 9)
The codes are not defined.1)
I Record label I
I Directory I 4.1.4 Indicator length (character position IO)
Datafields
I
~ ~
One decimal digit giving the number of character positions of
Record separator
I
the indicators. If indicators are not used, the indicator length is
set to zero.
Figure 1 - General structure
4.1.5 Identifier length (character position 11)
One decimal digit giving the number of character positions of
A bibliographic record includes the items defined in clause 3
e
the identifier. The first or only character of this identifier shall
and contains the following fixed and variable length fields in the
always be IS, of IS0 646.
sequence shown in figure 2
If the identifier is not used, the identifier length is set to zero.
- a record label fixed length
- a directory variable length 4.1.6 Base address of data (character positions 12 to 16)
- record identifier variable length
Five decimal digits justified right with zero fill if necessary, and
equal to the combined length in characters of the record label
at the end of the
- reserved fields variable length and the directory including the field separator
directory.
- bibliographic fields variable length
4.1.7 Defined by user systems (character positions 17
- field separator(s1 character IS2 of
to 19)
IS0 646
4.1.8 Directory map
- a record separator character IS3 of
IS0 646
Character position 20 : One decimal digit equal to the length
in characters of the "length of field" part of each entry in the
The directory, record identifier, reserved fields and
directory.
bibliographic fields are terminated by the field separator. The
record is terminated by the record separator.
Character position 21 : One decimal digit equal to the length
in characters of the "starting character position" par? of each
4.1 Record labe
...