AGRICOLA -- Guide to Subject Indexing

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No. 27, June 2002Indexing Records for e-articlesNo. 1, January 1986SUBJECT: Indexing for Expert Systems and Related SubjectsAgricultural applications of certain types of computer software are currently of interest:artificial intelligence, expert systems, decision-support systems, knowledge-base(d)systems, etc. In addition to using any other appropriate CAB Thesaurus descriptors, usethe descriptor COMPUTER SOFTWARE and enter in field 653 whatever morespecific term is used for the software being described in the document at hand. The firstcategory code for such articles should relate to the agricultural application underdiscussion. Add X200 (Computer and Library Sciences) as a second category code.No. 2, February 1986SUBJECT: Flocks vs. HerdsUse the CAB descriptor FLOCKS for: birds, goats, sheep.Use the CAB descriptor HERDS for: camels, cattle, deer, elephants, horses, oxen,swine, whales.No. 3, revised September 1989SUBJECT: Bibliographies and Literature ReviewsBibliographies and literature reviews are coded in the 008 field of indexing records.This generates a note in the 500 field which is searchable online. However, users of thedatabase do not consistently search the Note fields, and they often display or printrecords in output formats which do not include these fields. Therefore, please assignCAB Thesaurus terms BIBLIOGRAPHIES or LITERATURE REVIEWS asappropriate, even though to do so may seem redundant.20
No. 4, March 1986SUBJECT: Category Code for Cut FlowersUse the S200 category code (Agricultural Products (Plant)) for flowers once they arecut, even for their post-harvest physiology, rather than using any of the F categorycodes.No. 5, April 1986SUBJECT: Category Codes for Foods and FeedsIn the case of composition, contamination, processing, storage, etc. of commoditieswhich could be destined for either food or feed, use both Q (Food Science and FoodProducts) and R (Feed Products) category codes unless it is clear which use is intended.No. 6, May 1986SUBJECT: Rickettsiales Formerly Considered ProtozoaThe following microorganisms which were formerly considered to belong to theprotozoa are now considered to belong to the rickettsiales (bacteria):• Aegyptianella• Anaplasma• Eperythrozoon• Haemobartonella• ParanaplasmaDiscontinue indexing these genera using the L823 (Pests of Animals (Protozoa))category code. In the future, use L832 (Animal Diseases (Bacterial)).21
Page 1 and 2: http://www.nal.usda.gov/indexing/su
Page 3 and 4: c) the funding source for the resea
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Page 7 and 8: 3.2. CAB Thesaurus (MARC tags 650 -
Page 10 and 11: originating from one country/area a
Page 12 and 13: 4.12. Use identifiers liberally, bu
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Page 22 and 23: No. 7, June 1986SUBJECT: Applicatio
Page 24 and 25: Such a hierarchy is clearly not des
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Page 28 and 29: No. 14, October 1987SUBJECT: Catego
Page 30 and 31: Do not use LIFTING for:• Back inj
Page 32 and 33: However, this practice obviously sh
Page 34 and 35: OMIM = Online Mendelian Inheritance
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Page 38 and 39: always displayed under either the A
Page 40 and 41: The genus Pneumocystis was original
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