Terminology Retrieval: towards a synergy between thesaurus and free text searching
Advanced Searching of CAB ABSTRACTS ● Field Searching ● CABICODES ● The CAB Thesaurus ●...
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Transcript of Advanced Searching of CAB ABSTRACTS ● Field Searching ● CABICODES ● The CAB Thesaurus ●...
Advanced Searching of CAB ABSTRACTS
● Field Searching
● CABICODES
● The CAB Thesaurus
● Subject Codes
● Search Limits
Free-Text Index● English Item Title TI
● Original Item Title OT
● Additional Title AT
● Abstract AB
● Subject Headings SH
● Organism Descriptors OD
● Geographic Locations GL CABI Indexing Fields
● Identifiers ID
● Broad Terms BT
Title Fields● The title of the original article
● All records have an English title (TI)
● non-English articles may have an Original
Language title (OT)
● Additional Title included in TI
● Word searchable
● Useful for reference searching
Examples:
Cattle production.TI.
(Forestry AND Ecotourism).TI.
Authors and Editors●Personal Authors (AU)●Author variations included●Editor’s names searched in ED●Search as complete names
e.g. smith t a.AU.smith$.ED.
●Browse the AU or ED indexes●Corporate Authors (CA)●Remember variations
e.g. World Health Organization.CA.WHO.CA.
Indexing Fields(Descriptors)
●Organism Descriptors (OD)
●Geographic Locations (GL)
●Subject Headings (SH) (CABI’s Descriptors field)
●Broad Terms (BT)
● Identifiers (ID)
Note 1: The SH, OD, GL and ID fields are Phrase Indexed
Note 2: Searching .DE. Searches SH, GL and OD and is Word indexed
Note 3: Searching .SU. Searches SH, GL, OD, and ID and is Word
indexed
Note 4: Searching .HW. (RECOMMENDED) Searches SH, GL, OD, BT and ID and is Word indexed
SH, OD and GL
● Controlled Terms from the CAB Thesaurus
● Manually added by CABI Indexers
● Added at the specific concept level
● SU field tag searches all three at once
● HW tag searches SU plus BT
Examples:
cattle.OD.
drug resistance.SU.
nitrogen fertilizers.SH.
(rice and irrigation and south east asia).HW.
Broad Terms
● Automatically added to records
● Added for OD and GL terms plus selective
Identifiers
● All levels of Broad terms are added
● Use HW
Examples:
coleoptera.BT.
animals.BT.
cereals.HW. (all CABI index fields)
Identifiers● Non-Thesaurus Terms● New concepts● Potential future Thesaurus terms● Also included in the SU and HW
search indexes
e.g.
boring insects.ID.
aeolesthes holosericea.HW.
CABICODES● Subject classification
● 23 broad subject areas
● Hierarchical structure
● Used as well as descriptors
● At least one per record
● Useful for searching broad concepts
● Note: only the codes are in the Free-Text index. Words are searched with the CW tag
CABICODEsKK000 Forestry, Forest Products and Agroforestry General)
KK100 Forests and Forest Trees (Biology and Ecology)
KK110 Silviculture and Forest Management
KK120 Forest Mensuration and Management (Discontinued March 2000)
KK130 Forest Fires
KK140 Protection Forestry (Discontinued March 2000)
KK150 Other Land Use (Discontinued March 2000)
KK160 Ornamental and Amenity Trees
KK500 Forest Products and Industries (General)
KK510 Wood Properties, Damage and Preservation
KK515 Logging and Wood Processing
KK520 Wood Utilization and Engineered Wood Products
KK530 Chemical and Biological Processing of Wood
KK540 Non-wood Forest Products
KK600 Agroforestry and Multipurpose Trees; Community, Farm and Social
Forestry
CABICODESExamples:
KK160.CC. AND urban development
KK$.CC. AND management.HW.
forest products.CW.
The CAB Thesaurus
● CABI’s Controlled indexing vocabulary● 82,000 terms● hierarchically structured
● Preferred Terms● Broad Terms● Narrow Terms● Related Terms● Use for Terms
● Integrated search tool
Subject Codes (SubSet Codes)
● Classification codes
● Broad subject codes
● Coding to CABI full text
● Searched using the SS field tag
E.g.
Transgenic Plants and (FR or FA).SS.
Environment and Management and 0F.SS.
Tourism and GB.SS.
A full list of Subject Codes can be found at:
http://www.cabi.org/datapage.asp?iDocID=1076
Institutional Address
● Address of where the work was done
● Usually the address of the first author
● Given in full when available
● Remember variations and name changes
● Word searchable using .IN.
Examples:
Hungary.IN.
(St Istvan or Szent Istvan).IN.
Limit Fields
● Publication Year (YR) - Year of
publication of the original article.
● Language of text (LA) - Language of the
original text.
● Publication Type (PT) - Type of original
publication , e.g. book, journal, etc.
● Abstracts
● Ovid Full Text Available