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Great Britain Historical GIS Project: A Vision of Britain though Time Ontologies of Place: What are gazetteers about? Humphrey Southall (University of.

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Presentation on theme: "Great Britain Historical GIS Project: A Vision of Britain though Time Ontologies of Place: What are gazetteers about? Humphrey Southall (University of."— Presentation transcript:

1 Great Britain Historical GIS Project: A Vision of Britain though Time Ontologies of Place: What are gazetteers about? Humphrey Southall (University of Portsmouth/ Great Britain Historical GIS)

2 Great Britain Historical GIS Project: A Vision of Britain though Time What kinds of geographical entity? Traditional GIS very focused on landscape features But interpretation of historical texts is about units and places 15th April 20102 Gazetteer Type Landscape Features Administrative Units Places TypedYes No VisibleYesNo Defined byExistence in landscape Legal establishment as corporate bodies Shared perception; mention in texts and discourse – “social tagging” Defined as(mostly) pointslegally defined polygons (mostly) fuzzy polygons

3 Great Britain Historical GIS Project: A Vision of Britain though Time England’s most deprived areas 13th April 20113 NB units are SOAs, so blame Dave Martin

4 Great Britain Historical GIS Project: A Vision of Britain though Time Jaywick versus Breckfield 13th April 20114

5 Great Britain Historical GIS Project: A Vision of Britain though Time Breckfield? No such place 13th April 20115

6 Great Britain Historical GIS Project: A Vision of Britain though Time Argleton, the town that does not exist ‘All Google is saying on the matter is that it does experience "occasional errors" and that the mapping information was provided by a Dutch company called Tele Atlas. And all Tele Atlas's spokesperson will add is that "I really can't explain why these anomalies get into our database.“’ 13th April 20116

7 Great Britain Historical GIS Project: A Vision of Britain though Time The Sun in the Sands 13th April 20117

8 Great Britain Historical GIS Project: A Vision of Britain though Time Sun in the Sands Rotary 13th April 20118

9 Great Britain Historical GIS Project: A Vision of Britain though Time Sun in the Sands as a place 13th April 20119

10 Great Britain Historical GIS Project: A Vision of Britain though Time Sun in Sands bus map 13th April 201110

11 Great Britain Historical GIS Project: A Vision of Britain though Time Sun in the Sands as a neighborhood 13th April 201111

12 Great Britain Historical GIS Project: A Vision of Britain though Time Nag’s Head, Islington, c.1905 13th April 201112

13 Great Britain Historical GIS Project: A Vision of Britain though Time Nag’s Head today 13th April 201113

14 Great Britain Historical GIS Project: A Vision of Britain though Time Nag’s Head in Wikipedia 13th April 201114

15 Great Britain Historical GIS Project: A Vision of Britain though Time Nag’s Head Town Center 13th April 201115

16 Great Britain Historical GIS Project: A Vision of Britain though Time Elephant and Castle then and now 13th April 201116

17 Great Britain Historical GIS Project: A Vision of Britain though Time Elephant and Castle is definitely a place 13th April 201117

18 Great Britain Historical GIS Project: A Vision of Britain though Time Four features or one place? 13th April 201118

19 Great Britain Historical GIS Project: A Vision of Britain though Time Feature types in C19 Gazetteers 13th April 201119 PlaceFeature Type StringSource Gruinard, Ross- shire a bay, an island, and two streamsGroome Ripon, Yorkshirea city, a township, a parish, a sub- district, a district, a liberty, and a diocese Imperial Gloucesterparliamentary and municipal borough, city, market and county town, and river- port Bartholomew Burghead, Moraya promontory, a bay, a small town, and a quoad sacra parish Groome Laxey, Isle of Mana village, a bay, a headland, a rivulet, and a vale Imperial

20 Great Britain Historical GIS Project: A Vision of Britain though Time What kinds of geographical entity? Crowd-sourced extraction of names from geo-referenced historical maps are the obvious basis for rapid construction of large historical gazetteers 15th April 201020 Gazetteer Type Landscape Features Administ- rative Units PlacesNames on Maps TypedYes No? VisibleYesNo On the map Defined byExistence in land- scape LawShared perception, discourse Names on maps! Defined as(mostly) points legally defined polygons (mostly) fuzzy polygons (Offset)point s


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