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Jone Garmendia, Head of Cataloguing 25 November 2011 The National Archives Taxonomy.

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1 Jone Garmendia, Head of Cataloguing 25 November 2011 The National Archives Taxonomy

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3 A taxonomy is a system for naming and organising things into groups that show similar characteristics. Taxonomies in the Public Sector (TIPS) 3

4 4 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

5 5 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 Thesaurus:

6 6 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 Ontologies

7 7 People Records/Assets Places Events are active in create/own Take part in are located in take place in are used in / can trigger

8 8 A taxonomy is a system for naming and organising things into groups that show similar characteristics. Taxonomies in the Public Sector (TIPS)

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12 We have not catalogued entries manually Subject research: words lists Building Boolean Queries within the Search Engine 12

13 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

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19 19 taxonomist generates query taxonomy management software search engine index categorisation engine xml export new index tagging process Data flow back (with tags) xml tagged data new index

20 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

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