Filenaming Structures Summary

Relevant Sections from RFP 96-18

Section C.10 Filenames and Delivery Directories (pp. C-23-C25)

Section J. Attachment 4 (pp. J-24-J35)

These structures will be used wherever possible. Additional structures may be added if the existing structures lack certain features required by a given collection.

All item IDs and filenames are lowercase and consist of not more than 8 characters.

1. Filename/Directory Structures: Unnumbered Documents in Folders
1. Typically used: manuscript documents in folders described to the folder level.
2. Existing collection using this structure: Margaret Mead Collection
3. Item ID: Based on original container and folder number, becomes a directory name.
1. Example 1 (4^th folder found in container 102): 10204
2. Example 2 (10^th folder found in container 50): 05010
4. Filename Pattern: ccccf
1. Based on sequential page found in the folder, with new documents identified.
2. Example 1 (1^st page in the folder, starts new document): 0001d.tif
3. Example 2 (3^rd page in the folder): 0003.tif
4. Example 3 (12^th page in folder, starts new document): 0012d.tif


2. Filename/Directory Structure 2A: Bibliographic Record/Print-Page Number Structure
1. Typically used: books without machine-readable text
2. Existing collection using this structure: none
3. Item ID: Based on LCCN, becomes a directory name.
1. Example 1 (California all the way back to 1828. LCCN: ca4-14356): 014356
2. Example 2 (Along the bowstring or south shore ofLlake Superior. LCCN: 03-6059): 06059
4. Filename pattern: cccppppf
1. Based on sequential pages in the book and print page numbers and special features of pages (e.g., title page, table of contents, etc.)
2. Example 1 (4^th page, no print page number, table of contents): 0040000n.tif
3. Example 2 (25^th page, print page number 18, no feature): 0250018.tif


3. Filename/Directory Structure 2B: Bibliographic Record/No-Print-Page Number Structure
1. Typically used: books with machine-readable text
2. Existing collection using this structure: Local History; Upper Midwest
3. Item ID: Based on LCCN, becomes a directory name.
1. Example 1 (California all the way back to 1828. LCCN: ca4-14356): 014356
2. Example 2 (Along the bowstring or south shore of Lake Superior. LCCN: 03-6059): 06059
4. Filename Pattern: cccc
1. Based on sequential pages in the book
2. Example 1 (4^th page, no print page number, table of contents): 0004.tif
3. Example 2 (25^th page, print page number 18, no feature): 0025.tif


4. Filename/Directory Structure 3A: Serial Page Images/Print Pages Tracked
1. Typically used: Serials without machine-readable text
2. Existing collection using this structure: none
3. Item ID: Based on Issue year and number (yyyynn)
4. Filename pattern: cccppppf


5. Filename/Directory Structure 3B: Serial Page Images/No Print Page Numbers Tracked
1. Typically used: Serials with machine-readable text
2. Existing collection using this structure: none
3. Item ID: Based on Issue year and number (yyyynn)
4. Filename Pattern: cccc


6. Filename/Directory Structure 3C: Collation Records and/or Cumulative Indexes
1. Typically used: Serial collation records and indexes
2. Existing collection using this structure: none
3. Item ID: Based on Issue year and number (yyyynn)
4. Filename Pattern: cccpppp


7. Filename/Directory Structure 4: Copyright Registration and Technical Document Number Structure
1. Typically used: Copyright deposits, technical reports
2. Existing collection using this structure: none
3. Item ID: Based on registration number or document number
4. Filename Pattern: cccppppf


8. Filename/Directory Structure 5: Large Volumes
1. Typically used: Law Library materials
2. Existing collection using this structure: none
3. Item ID: Based on Law Library collation item number
1. Example 1 (House Journal volume 1): 001
2. Example 2 (Congressional Globe Volume 5): 005
3. Note: though items numbers repeat for every group of material, they are distinguished by the aggregate names.
4. Filename pattern: ccccpppp
1. Based on sequential pages in the volume and print page numbers
2. Example 1 (5^th page scanned, print page number 3): 00050003.tif
3. Example 2 (200^th page, print page number 185): 02000185.tif


9. Target Filenames
1. ID Targets: 0000.tif or 0000.jpg
2. Resolution Targets: tg300bt.tif (see details on J-35)


10. Segmented images
1. Filename Pattern: cccfxy
2. Example 1 (bottom half of page the 79^th page scanned in two parts): 079sb1.tif


11. SGML and Associated Files
1. SGML filename: itemid.sgm
2. Page Info Group filename: itemid.pgi
3. Reference filename: itemid.ref
4. Omission Report filename:itemid.omi
5. Entity filename: itemid.ent

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