RFCs in HTML Format


RFC 1807

                   A Format for Bibliographic Records

Introduction

   Many universities and other R&D organizations routinely announce new
   technical reports by mailing (via the postal services) the
   bibliographic records of these reports.

   These mailings have non-trivial cost and delay.  In addition, their
   recipients cannot conveniently file them, electronically, for later
   retrieval and searches.

   Publishing organizations that wish to use e-mail or file transfer to
   obtain these announcements can do so by using the following format.

   Organizations may automate to any degree (or not at all) both the
   creation of these records (about their own publications) and the
   handling of the records received from other organizations.

   This format is designed to be simple, for people and for machines, to
   be easy to read ("human readable") and create without any special
   programs.

   This RFC defines the format of bibliographic records, not how to
   process them.




Lasher & Cohen               Informational                      [Page 1]

RFC 1807 A Format for Bibliographic Records June 1995 This format is a "tagged" format with self-explaining alphabetic tags. It should be possible to prepare and to read bibliographic records using any text editor, without any special programs. This RFC includes the CR-CATEGORY, a field useful for Computer Science publications. It is expected that similar fields will be added for other domains. This format, as described in RFC 1357, was implemented as part of the Dienst system and has been in use by the five ARPA-funded computer science institutions to exchange bibliographic records (Cornell, SU, UC, MIT, and CMU). Programs have been written to map between this RFC and structured USMARC (format developed at the Library of Congress) cataloging records, also from USMARC to the RFC. The focus of this ARPA-funded research has been into many aspects of digital libraries including searching and accessing techniques that do not necessarily use bibliographic records (for example, natural language processing, automatic and full-text indexing). However, the continued use of bibliographic records is expected to remain an important part of the library system environment of the future and its use is an important link between the physical world of scientific works and the on-line world of digital objects. The format described in this paper allows a link between these two worlds to be created. This format was developed with considerable help and involvement of Computer Science and Library personnel from several organizations, including Carnegie Mellon University, Corporation for National Research Initiatives (CNRI), Cornell University, University of Southern California/Information Sciences Institute (ISI), Meridian (now called DynCorp), Massachusetts Institute of Technology, Stanford University, and the University of California. Key contributions were provided by Jerry Saltzer of MIT, and Larry Lannom of DynCorp. The initial draft was prepared by Danny Cohen and Larry Miller of ISI. The revision was done by Rebecca Lasher from Stanford with assistance from the CS-TR participants. This RFC does not place any limitations on the dissemination of the bibliographic records. If there are limitations on the dissemination of the publication, it should be protected by some means such as passwords. This RFC does not address this protection. The use of this format is encouraged. There are no limitations on its use. Lasher & Cohen Informational [Page 2]
RFC 1807 A Format for Bibliographic Records June 1995 The Information Fields The various fields should follow the format described below. <M> means Mandatory; a record without it is invalid. <O> means Optional. The tags (aka Field-IDs) are shown in upper case. <M> BIB-VERSION of this bibliographic records format <M> ID <M> ENTRY date <O> ORGANIZATION <O> TITLE <O> TYPE <O> REVISION <O> WITHDRAW <O> AUTHOR <O> CORP-AUTHOR <O> CONTACT for the author(s) <O> DATE of publication <O> PAGES count <O> COPYRIGHT, permissions and disclaimers <O> HANDLE <O> OTHER_ACCESS <O> RETRIEVAL <O> KEYWORD <O> CR-CATEGORY <O> PERIOD <O> SERIES <O> MONITORING organization(s) <O> FUNDING organization(s) <O> CONTRACT number(s) <O> GRANT number(s) <O> LANGUAGE name <O> NOTES <O> ABSTRACT <M> END Lasher & Cohen Informational [Page 3]
RFC 1807 A Format for Bibliographic Records June 1995 Meta Format * Keep It Simple. * One bibliographic record for each publication, where a "publication" is whatever the publishing institution defines as such. * A record contains several fields. * Each field starts with its tag (aka the field-ID) which is a reserved identifier (containing no separators) at the beginning of a new line with or without spaces before it), followed by two colons ("::"), followed by the field data. * Continuation lines: Lines are limited to 79 characters. When needed, fields may continue over several lines, with an implied space in between. In order to simplify the use no special marking is used to indicate continuation line. Hence, fields are terminated by a line that starts (apart from white space) with a word followed by two colons. Except for the "END::" that is terminated by the end of line.) For improved human readability it is suggested to start continuation lines with some spaces. * Several fields are mandatory and must appear in the record. All fields (unless specifically not permitted to) may be in any order and may be repeated as needed (e.g., the AUTHOR field). The order of the repeated fields is always preserved. * Only printable ASCII characters are to be used. The permissible characters are ASCII codes 040 (Space) through 176(~) and line breaks which are \012 (LF) or \012\015 (CRLF). Empty lines indicate paragraph break. \009 (tab) must be replaced by spaces. This specifically forbids tabs, null characters, DEL, backspaces, etc. (i.e., if used, the record is invalid.) However full 8 bit ASCII may be used. WARNING: some electronic mailers cannot handle 8 bit ASCII and these records may need to be transported via other mechanisms. Throughout this document the word "publisher" means the publishing organization of a report (e.g., a university or a department thereof), not necessarily an organization authorized to issue ISBN numbers. Lasher & Cohen Informational [Page 4]
RFC 1807 A Format for Bibliographic Records June 1995 EXAMPLE ------------------------------------------------------------- BIB-VERSION:: CS-TR-v2.1 ID:: OUKS//CS-TR-91-123 ENTRY:: January 15, 1992 ORGANIZATION:: Oceanview University, Kansas, Computer Science TYPE:: Technical Report REVISION:: January 5, 1995; FTP access information added TITLE:: Scientific Communication must be timely AUTHOR:: Finnegan, James A. CONTACT:: Prof. J. A. Finnegan, CS Dept, Oceanview Univ, Oceanview, KS 54321 Tel: 913-456-7890 <Finnegan@cs.ouks.edu> AUTHOR:: Pooh, Winnie The CONTACT:: 100 Aker Wood DATE:: December 1991 PAGES:: 48 COPYRIGHT:: Copyright for the report (c) 1991, by J. A. Finnegan. All rights reserved. Permission is granted for any academic use of the report. HANDLE:: hdl:oceanview.electr/CS-TR-91-123 OTHER_ACCESS:: url:http://electr.oceanview.edu/CS-TR-91-123 OTHER_ACCESS:: url:ftp://electr.oceanview.edu/CS-TR-91-123 RETRIEVAL:: send email to Finnegan@cs.ouks.edu with fax number KEYWORD:: Scientific Communication CR-CATEGORY:: D.0 CR-CATEGORY:: C.2.2 Computer Sys Org, Communication nets, Net Protocols SERIES:: Communication FUNDING:: FAS CONTRACT:: FAS-91-C-1234 MONITORING:: FNBO LANGUAGE:: English NOTES:: This report is the full version of the paper with the same title in IEEE Trans ASSP Dec 1976 ABSTRACT:: Many alchemists in the country work on important fusion problems. All of them cooperate and interact with each other through the scientific literature. This scientific communication methodology has many advantages. Timeliness is not one of them. END:: OUKS//CS-TR-91-123 ---------------------------- End of Example ------------------- For reference, the above example has about 1,689 characters (184 words) including about 249 characters (36 words) in the abstract. Lasher & Cohen Informational [Page 5]
RFC 1807 A Format for Bibliographic Records June 1995 The Actual Format The term "Open Ended Format" in the following means arbitrary text. In the following double-quotes indicate complete strings. They are included only for grouping and are not expected to be used in the actual records. The BIB-VERSION, ID, ENTRY, and END field must appear as the first, second, third, and last fields, and may not be repeated in the record. All other fields may be repeated as needed. BIB-VERSION (M) -- This is the first field of any record. It is a mandatory field. It identifies the version of the format used to create this bibliographic record. This RFC defines BIB-Version TR-v2.1 BIB-VERSIONs that start with the letter X (case independent) are considered experimental. Bib-records sent with such a BIB-VERSION should NOT be incorporated in the permanent database of the recipient. Using this version of this format, this field is always: Format: BIB-VERSION:: CS-TR-v2.1 ID (M) -- This is the second field of any record. It is also a mandatory field. The ID field identifies the bibliographic record and is used in management of these records. Its format is "ID:: XXX//YYY", where XXX is the publisher-ID (the controlled symbol of the publisher) and YYY is the ID (e.g., report number) of the publication as assigned by the publisher. This ID is typically printed on the cover, and may contain slashes. The organization symbols "DUMMY" and "TEST" (case independent) are reserved for test records that should NOT be incorporated in the permanent database of the recipients. Format: ID:: <publisher-ID>//<free-text> Example: ID:: OUKS//CS-TR-91-123 **** See the note at the end regarding the **** **** controlled symbols of the publishers ***** Lasher & Cohen Informational [Page 6]
RFC 1807 A Format for Bibliographic Records June 1995 ENTRY (M) -- This is a mandatory field. It is the date of creating this bibliographic record. The format for ENTRY date is "Month Day, Year". The month must be alphabetic (spelled out). The "Day" is a 1- or 2-digit number. The "Year" is a 4-digit number. Format: ENTRY:: <date> Example: ENTRY:: January 15, 1992 ORGANIZATION (O) -- It is the full name spelled out (no acronyms, please) of the publishing organization. The use of this name is controlled together with the controlled symbol of the publisher (as discussed above for the ID field). Avoid acronyms because there are many common acronyms, such as ISI and USC. Please provide it in ascending order, such as "X University, Y Department" (not "Y Department, X University"). Format: ORGANIZATION:: <free-text> Example: ORGANIZATION:: Stanford University, Department of Computer Science TITLE (O) -- This is the title of the work as assigned by the author. This field should include the complete title with all the subtitles, if any. Format: TITLE:: <free-text> Example: TITLE:: The Computerization of Oceanview with High Speed Fiber Optics Communication TYPE (O) -- Indicates the type of publication (summary, final project report, etc.) as assigned by the issuing organization. Format: TYPE:: <free-text> Example: TYPE:: Technical Report REVISION (O) -- Indicates that the current bibliographic record is a revision of a previously issued record and is intended Lasher & Cohen Informational [Page 7]
RFC 1807 A Format for Bibliographic Records June 1995 to replace it. Revision information consists of a date and/or followed by a semicolon and by text in an open ended format. The revised bibliographic record should contain a complete record for the publication, not just a list of changes to the old record. If revision is omitted, the record is assumed to be a new record and not a revision. If the revision date is specified as 0, this is assumed to be January 1, 1900 (the previous RFC, used revision data of 0, 1, 2, 3, etc. this specification is for programs that might process records from RFC1357). The text before the semicolon in this field is a date of the form month day, year. Any record with a more recent revision date replaces completely any record with an earlier revision date (supplied either explicitly or by default). Use the text to describe the revision. Reasons to send out a revised record include an error in the original, or change in the access information. Format: REVISION:: January 1, 1995; <free-text> Example: REVISION:: January 1, 1995; FTP information added WITHDRAW (O) Withdraw means the document is no longer available. Some Institutions choose to delete the record others remove some of the fields. It is up to each institution to decide how to process withdraw records. A withdraw record has all of the mandatory fields plus the withdraw field and a mandatory revision field. The Withdraw field should indicate the reason for the withdraw in free text. Example for withdrawing a bibliographic record:: BIB-VERSION:: CS-TR-v2.1 ID:: OUKS//CS-TR-91-123 ENTRY:: January 21, 1995 ORGANIZATION:: Oceanview University, Kansas, Computer Science TITLE:: The Computerization of Oceanview with High Speed Fiber Optics Communication REVISION:: January 21, 1995 WITHDRAW:: Withdrawn, found to be irrelevant END:: OUKS//CS-TR-91-123 Lasher & Cohen Informational [Page 8]
RFC 1807 A Format for Bibliographic Records June 1995 AUTHOR (O) -- Personal names only. Normal last name first inversion. Editors should be listed here as well, identified with the usual "(ed.)" as shown below in the last example. If the report was not authored by a person (e.g., it was authored by a committee or a panel) use CORP-AUTHOR (see below) instead of AUTHOR. Multiple authors are entered by using multiple lines, each in the form of "AUTHOR:: <free-text>". The system preserves the order of the authors. Format: AUTHOR:: <free-text> Example: AUTHOR:: Finnegan, James A. AUTHOR:: Pooh, Winnie The AUTHOR:: Lastname, Firstname (ed.) CORP-AUTHOR (O) -- The corporate author (e.g., a committee or a panel) that authored the report, which may be different from the ORGANIZATION issuing the report. In entering the corporate name please omit initial "the" or "a". If it is really part of the name, please invert it. Format: CORP-AUTHOR:: <free-text> Example: CORP-AUTHOR:: Committee on long-range computing CONTACT (O) -- The contact for the author(s). Open-ended, most likely E-mail and postal addresses. A CONTACT field for each author should be provided, separately, or for all the AUTHOR fields. E-mail addresses should always be in "pointy brackets" (as in the example below). Format: CONTACT:: <free-text> Example: CONTACT:: Prof. J. A. Finnegan, CS Dept, Oceanview Univ., Oceanview, Kansas, 54321 Tel: 913-456-7890 <Finnegan@cs.ouks.edu> Lasher & Cohen Informational [Page 9]
RFC 1807 A Format for Bibliographic Records June 1995 DATE (O) -- The publication date. The formats are "Month Year" and "Month Day, Year". The month must be alphabetic (spelled out). The "Day" is a 1- or 2-digit number. The "Year" is a 4- digit number. Format: DATE:: <date> Example: DATE:: January 1992 Example: DATE:: January 15, 1992 PAGES (O) -- Total number of pages, without being too picky about it. Final numbered page is actually preferred, if it is a reasonable approximation to the total number of pages. Format: PAGES:: <number> Example: PAGES:: 48 COPYRIGHT (O) -- Copyright information. Open ended format. The COPYRIGHT field applies to the cited report, rather than to the current bibliographic record. Format: COPYRIGHT:: <free-text> Example: COPYRIGHT:: Copyright for the report (c) 1991, by J. A. Finnegan. All rights reserved. Permission is granted for any academic use of the report. HANDLE (O) -- Handles are unique permanent identifiers that are used in the Handle Management System to retrieve location data. A handle is a printable string which when given to a handle server returns the location of the data. Handles are used to identify digital objects stored within a digital library. If the technical report is available in electronic form, the Handle MUST be supplied in the bibliographic record. Format is "HANDLE:: hdl:<naming authority>/string of characters". The string of characters can be the report number of the technical report as assigned by the publisher. For more information on handles and handle servers see the CNRI WEB page at Lasher & Cohen Informational [Page 10]
RFC 1807 A Format for Bibliographic Records June 1995 http://www.cnri.reston.va.us. **** NOTE: White space in HANDLE due to line wrap is ignored. Format: HANDLE:: hdl:<naming authority>/string of characters Example: HANDLE:: hdl:oceanview.electr/CS-TR-91-123 OTHER_ACCESS (O) -- For URLs, URNs, and other yet to be invented formatted retrieval systems. Only one URL or URN per occurrence of the field. URL and URN information is available in the internet drafts from the IETF (Internet Engineering Task Force). The most recent drafts can be found on the CNRI WEB page at http://www.cnri.reston.va.us. **** NOTE: White space in a URL or URN due to line wrap is ignored. Format: OTHER_ACCESS:: URL:<URL> OTHER_ACCESS:: URN:<URN> Example: OTHER_ACCESS:: URL:http://elib.stanford.edu/Docume nt/STANFORD.CS:CS-TN-94-1 Example: OTHER_ACCESS:: URL:ftp://JUPITER.CS.OUKS.EDU/PUBS/ computerization.txt. When the URN standard is finalized naming authorities will be registered and URNs will be viable unique identifiers. Until then this is a place holder. For the latest URN drafts see CNRI WEB page at http://www.cnri.reston.va.us. RETRIEVAL (O) -- Open-ended format describing how to get a copy of the full text. This is an optional, repeatable field. No limitations are placed on the dissemination of the bibliographic records. If there are limitations on the dissemination of the publication, it should be protected by some means such as passwords. This format does not address this protection. Format: RETRIEVAL:: <free-text> Lasher & Cohen Informational [Page 11]
RFC 1807 A Format for Bibliographic Records June 1995 RETRIEVAL:: for full text with color pictures send a self-addressed stamped envelope to Prof. J.A. Finnegan, CS Dept, Oceanview University, Oceanview, KS 54321 KEYWORD (O) -- Specify any keywords, controlled or uncontrolled. This is an optional, repeatable field. Multiple keywords are entered using multiple lines in the form of "KEYWORD:: <free-text>. Format: KEYWORD:: <free-text> Example: KEYWORD:: Scientific Communication KEYWORD:: Communication Theory CR-CATEGORY (O) -- Specify the CR-category. The CR-category (the Computer Reviews Category) index (e.g., "B.3") should always be included, optionally followed by the name of that category. If the name is specified it should be fully specified with parent levels as needed to clarify it, as in the second example below. Use multiple lines for multiple categories. Every year, the January issue of CR has the full list of these categories, with a detailed discussion of the CR Classification System, and a full index. Typically the full index appears in every January issue, and the top two levels in every issue. Format: CR-CATEGORY:: <free-text> Example: CR-CATEGORY:: D.1 Example: CR-CATEGORY:: B.3 Hardware, Memory Structures PERIOD (O) -- Time period covered (date range). Applicable primarily to progress reports, etc. Any format is acceptable, as long as the two dates are separated with " to " (the word "to" surrounded by spaces) and each date is in the format allowed for dates, as described above for the date field. Format: PERIOD:: <date> to <date> Example: PERIOD:: January 1990 to March 1990 Lasher & Cohen Informational [Page 12]
RFC 1807 A Format for Bibliographic Records June 1995 SERIES (O) -- Series title, including volume number within series. Open-ended format, with producing institution strongly encouraged to be internally consistent. Format: SERIES:: <free-text> Example: SERIES:: Communication FUNDING (O) -- The name(s) of the funding organization(s). Format: FUNDING:: <free-text> Example: FUNDING:: ARPA MONITORING (O) -- The name(s) of the monitoring organization(s). Format: MONITORING:: <free-text> Example: MONITORING:: ONR CONTRACT (O) -- The contract number(s). Format: CONTRACT:: <free-text> Example: CONTRACT:: MMA-90-23-456 GRANT (O) -- The grant number(s). Format: GRANT:: <free-text> Example: GRANT:: NASA-91-2345 LANGUAGE (O) -- The language in which the report is written. Please use the full English name of that language. Please include the Abstract in English, if possible. If the language is not specified, English is assumed. Format: LANGUAGE:: <free-text> Example: LANGUAGE:: English Example: LANGUAGE:: French Lasher & Cohen Informational [Page 13]
RFC 1807 A Format for Bibliographic Records June 1995 NOTES (O) -- Miscellaneous free text. Format: NOTES:: <free-text> Example: NOTES:: This report is the full version of the paper with the same title in IEEE Trans ASSP Dec 1976 ABSTRACT (O) -- Highly recommended, but not mandatory. Even though no limit is defined for its length, it is suggested not to expect applications to be able to handle more than 10,000 characters. The ABSTRACT is expected to be used for subject searching since titles are not enough. Even if the report is not in English, an English ABSTRACT is preferable. If no formal abstract appears on document, the producers of the bibliographic records are encouraged to use pieces of the introduction, first paragraph, etc. Format: ABSTRACT:: xxxx .............. xxxxxxxx xxxx .............. xxxxxxxx xxxx .............. xxxxxxxx xxxx .............. xxxxxxxx END (M) -- This is a mandatory field. It must be the last entry of a record, identifying the record that it ends, by stating the same ID that was used at the beginning of the records, in its "ID::". Format: END:: XXX//YYY Example: END:: OUKS//CS-TR-91-123 >>>>>>> [END OF FORMAT DEFINITION] <<<<<<< A Note Regarding the Controlled Symbols of the Publishers In order to avoid conflicts among the symbols of the publishing organizations (the XXX part of the "ID:: XXX//YYY") it is suggested that the various organizations that publish reports (such as universities, departments, and laboratories) register their <publisher-ID> symbols and names, in a way similar to the registration of other key parameters and names in the Internet. Lasher & Cohen Informational [Page 14]
RFC 1807 A Format for Bibliographic Records June 1995 Rebecca Lasher (RLASHER@Forsythe.stanford.edu), of Stanford working with CNRI has agreed to coordinate this registration with the IANA for the publishers of Computer Science technical reports. It is suggested that before using this format the publishing organizations would coordinate with her (by e-mail) their symbols and the names of their organizations. In order to help automated handling of the received bibliographic records, it is expected that the producers of bibliographic records will always use the same name, exactly, in the ORGANIZATION field.



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