http://geodia.laits.utexas.edu/timemap.html

[{"title":"Alexandria","point":{"lon":"29.944304823875427","lat":"31.213466703015236"},"options":{"serial_number":"000004568","zoom_level":"1","pleiades_uri":"http:\/\/pleiades.stoa.org\/places\/727070","cultural_importance":[{"culture":"greek","factor":"2"}],"periods":[{"term":"Ptolemaic","culture":"Greek\/Egyptian","start":"332 B.C.","end":"31 B.C.","serial":"000004569","image_link":"http:\/\/www.laits.utexas.edu\/geodia\/modules\/geodia\/period_images.json?sernums=000004569&auth=http"},{"term":"Roman","culture":"Roman\/Egyptian","start":"31 B.C.","end":"359 A.D.","serial":"000004570","image_link":"http:\/\/www.laits.utexas.edu\/geodia\/modules\/geodia\/period_images.json?sernums=000004570&auth=http"}]},"start":"332 B.C.","end":"359 A.D."}]

Result for JSON query:

http://www.laits.utexas.edu/geodia/modules/geodia/search.json?

term=alexandria&item_type=site&auth=http

Period term, prefixes and

suffixes(e.g. “Iron Age”)

Culture(e.g. “Greek”)

Time start/end(e.g. “start: 1000 BC;

end: 800 BC”)

Region(based on

connectivity rather than coordinates)

Stylistic

Political

Technological

Cultural

etc.

Type

of

term

Period(e.g. “Early” + “Iron Age” + “I” + “Greek” + “1000-

950 BC” + “Greece/The Aegean”)

pa

ren

t

Site name(“Lefkandi”)

Latitude, Longitude

Site period(temporal extent of parent period at specific site)

Pleiades URI

“Importance” (zoom level)

Cultural “importance” (zoom level)

GeoDia data model: relational data jammed into a flat database

Prefix Period Term Suffix

Term Type

Absolutedate range

Authority

Geographicarea

mod

ifies

mod

ifies

char

acte

rizes

has

dura

tion

acco

rdin

g to

Is c

onve

ntion

al in

Early, middle, late

Iron Age, Archaic

Technological, developmental, political

A, B, C; I, II, III 600-480 BC

Pedley 2004

Modern nation, ancient territory,

region, site: Greece, the Aegean, Troy

An attempt to model a period assertion (NOT “a period” in absolute terms)

The PeriodO model for a period assertion

Chersonesos and its ARK interface: a context record

Chersonesos and its ARK interface: a small-find record

Chersonesos and its ARK interface: a scan of an illustration of that small find, living on the servers of the Texas Advanced Computing Center in an

iRODS instance

Metadata automatically extracted from files related to Chersonesos ARK records, during iRODS ingest (basis for RCATs proposal)