Dewey Breakfast/Update 25 June 2011 Michael Panzer Assistant Editor, DDC OCLC Dewey + DDC-driven resource discovery
Outline 1.DDCs role in resource discovery 2.Dewey + geospatial retrieval Structural prerequisite: MARC fields 034, 043 Semantic prerequisite: geocodes 3.Dewey + subject headings (+ facet-based retrieval) Structural prerequisite: MARC fields 083, 085 Semantic option: LCSH / FAST mapping
034 ## $d W $e W $f N $g N $2 geonames 043 ## $a f-sg ## $z 2 $a 663 $z 2 $e 66 $h Geographic Areas, Historical Periods, Biography $k Specific continents, countries, localities; extraterrestrial worlds $k Modern world; extraterrestrial worlds $k Africa $k West Africa and offshore islands $j Senegal MARBI Proposal : Geographic Codes in the MARC 21 Classification Format Coordinates: 14ºN, 14ºW Source: GeoNames MARC Geographic Area Code 751 ## $a Republic of Niger $0 (GeoNames) $2 geonames Link to GeoName resource
Placing Dewey on the map
Placing Dewey on the map: Hierarchies Turkey / Bosporus (Europe & Asia) T T25632 T25633
Notational vs. Geospatial hierarchy
Geospatial reasoning Question: Display all Dewey numbers that represent countries that are adjacent to T26626.
Outline 1.DDCs role in resource discovery 2.Dewey + geospatial retrieval Structural prerequisite: MARC fields 034, 043 Semantic prerequisite: geocodes 3.Dewey + subject headings (+ facet-based retrieval) Structural prerequisite: MARC fields 083, 085 Semantic prerequisite: LCSH mapping
Dewey number: FAST subject headings + Genre (LCSH / GSAFD)
394.12
Related works: Dewey+ vs. Google -Google: -Shows you more of the same (e.g., books from Michael Pollan) -Supports known-item search (searching for a version of a specific work) -Dewey+ (Kindred Works): -Shows you more of the different (cultural-historical accounts of eating and drinking) -Supports exploratory search (exploring a subject/topic space)
Dewey-driven discovery: Number components + geocodes T Neighboring countries: ChinaT251 PakistanT25491 BangladeshT25492 NepalT25496 BhutanT25498 MyanmarT2591 notational structural T251 gn:neighbour Drinking of alcoholic beverages Meals Table manners structural
Thank you! Comments, questions, suggestions? Michael Panzer
Dewey-driven discovery: Number components + geocodes T Walking Distance from Everest, Mount (China and Nepal) to Tibet Autonomous Region (China): km to Nepal: km to Himalaya Mountains: km to Ra ̄ jsha ̄ hi (Bangladesh : Division): km to West Bengal (India): km to Bengal (India): km to Southern India: km to Bhutan: km to Jharkhand (India : State): km notational structural T2515 Distance < ~500km ?