資訊組織 2013.03.06

1.MARC21有幾種?5種
The five MARC 21 communication formats(通訊格式)
(1)MARC 21 Format for Bibliographic Data
(2)MARC 21 Format for Authority Data
(3)MARC 21 Format for Holdings Data (館藏資料)
(4)MARC 21 Format for Classification Data
(5)MARC 21 Format for Community Information

2.MARC包含3個細目
A MARC record is composed of three elements:
(1)the record structure 結構
(2)the content designation內容指標
(3)the data content of the record 內容本身

3. ISBD: International Standard Bibliographic Description

4.方括弧（[ ]）
用於標示得自指定著錄來源以外之記載

5.SCOPE OF THE BIBLIOGRAPHIC FORMAT
(1)Books (BK) - used for printed, electronic, manuscript, and microform textual material that is monographic in nature.
(2)Continuing resources (CR)連續性資源 - used for printed, electronic, manuscript, and microform textual material that is issued in parts with a recurring pattern of publication (e.g., periodicals, newspapers, yearbooks). (NOTE: Prior to 2002, Continuing resources (CR) were referred to as Serials (SE)).
(3)Computer files (CF) 電腦檔案- used for computer software, numeric data, computer-oriented multimedia, online systems or services. Other classes of electronic resources are coded for their most significant aspect. Material may be monographic or serial in nature.
(4)Maps (MP) 地圖資料 - used for all types of printed, electronic, manuscript, and microform cartographic materials, including atlases, sheet maps, and globes. Material may be monographic or serial in nature.
(5)Music (MU) 樂譜 - used for printed, electronic, manuscript, and microform music, as well as musical sound recordings, and non-musical sound recordings. Material may be monographic or serial in nature.
(6)Visual materials (VM) 視覺資料- used for projected media, non-projected media, two-dimensional graphics, three-dimensional artifacts or naturally occurring objects, and kits. Material may be monographic or serial in nature.
(7)Mixed materials (MX) 多媒體- used primarily for archival and manuscript collections of a mixture of forms of material. Material may be monographic or serial in nature. (NOTE: Prior to 1994, Mixed materials (MX) were referred to as Archival and manuscript material (AM)).


6.圖書館法第二條:
本法所稱圖書館，指蒐集、整理及保存圖書資訊，以服務公眾或
特定對象之設施。
前項圖書資訊，指
(1)圖書出版品
(2)期刊出版品
(3)報紙出版品
(4)視聽資料出版品
(5)電子媒體出版品

(6)圖書網路資源
(7)期刊網路資源
(8)報紙網路資源
(9)視聽資料網路資源
(10)電子媒體網路資源 等

7.

某些字元在螢幕上或印刷上, 都有顯示的困難, 不得不以其他的符號表示, 真正儲存的時候, 還是以實際的內碼為準; 另外, 受限於顯示螢幕或印刷媒體本身的特性, 不得不將資料分段, 實際上是一個位元組接著另一個位元組, 中間沒有任何空隙。

顯示符號	實際符號	說明
%	ISO 646符號集的 IS3, 十六進位值為 1D	記錄終止符號
#	ISO 646符號集的 IS2, 十六進位值為 1E	欄位終止符號
$	ISO 646符號集的 IS1, 十六進位值為 1F	分欄識別的第一個符號
$	$	為了和分欄識別有所區分
b	ISO 646符號集的空白符號, 十六進位值為 20	為了明確表示其位置

8.書目紀錄的組成

A MARC bibliographic record consists of three main components: 

the Leader記錄標示, 最前面的24個位元組。

the Directory,指引, 每個指引以12個位元組構成, 可以有無數個指引。

the variable fields.書目資料欄/變長欄

Variable control fields變動控制欄位

Variable data fields變長資料欄位

Indicator positions指引位置

Subfield codes分欄代碼

參考資源:

http://blue.lins.fju.edu.tw/mao/inforg/structure.htm

http://www.loc.gov/marc/bibliographic/bdintro.html
http://www.loc.gov/marc/bibliographic/concise/bd245.html

http://www.ncl.edu.tw/public/Attachment/7121310405471.pdf