Taxonomies in the Public Sector

advertisement
The National Archives Taxonomy
Jone Garmendia, Head of Cataloguing
25 November 2011
2
A taxonomy is a system for naming
and organising things into groups
that show similar characteristics.
Taxonomies in the Public Sector (TIPS)
http://www.nglis.org.uk/tipsben.htm
3
A taxonomy is a collection of terms that
enable the classification and grouping of
content in order to support:
• information organisation
• searching
• information discovery/browsing
• website usability
• content reuse / serendipity
4
Thesaurus:




controlled vocabulary
structured hierarchically using BT, NT, RT
non-preferred terms to handle synonyms
they support:
o Information retrieval in controlled
bibliographic databases
o authority files
o expansion of search
5
Ontologies
 High level intellectual frameworks to
organise information
 representing concepts, entities and their
relationships
 used in information science to support:
o software engineering
o the semantic web
6
People
are active in
Places
create/own
Take part in
are located in
take place in
Events
7
Records/Assets
are used in /
can trigger
A taxonomy is a system for
naming and organising things
into groups that show similar
characteristics.
Taxonomies in the Public Sector (TIPS)
http://www.nglis.org.uk/tipsben.htm
8
9
10
http://labs.nationalarchives.gov.uk
11
 We have not catalogued entries manually
 Subject research: words lists
 Building Boolean Queries within the Search
Engine
12
Word Lists and ‘synonyms
marriage
marital
“marry” “marries” “married”
matrimony
matrimonial
jactitation
betrothal
dowry
jointure
alimony
curtesy
wedding
adultery, adulterous
nuptial
spouse
wedlock
conjugal
certificate of no impediment
re-marriage, remarriage…
mainenance order
Maintenance Order Acts…
bigamy, bigamous, polygam*
common law wife/husband
husband/wife
divorce,
decree nisi, decree absolute
14
15
16
17
18
search
engine
index
new
index
taxonomy
management
software
tagging
process
xml
export
categorisation
engine
Data flow back
(with tags)
xml
tagged
data
new index
19
taxonomist
generates query
Testing and tuning





Beta release April 2011
Taxonomy testing
Multiple tagging
Precision and relevancy of subject tags
Recall: working to provide subjects for
the untagged
21
Download