is an innovative project combining technologies from geographic
information science and digital library research. It allows diverse
digital resources on servers around the world to be combined and
viewed on a single map interface. It is also a way to generate
interactive maps that show change over time. TimeMap allows users
to select digital resources with information about time and space
in order to create customized maps based on their interests. While
digital resources are catalogued in a central clearinghouse, the
data itself may be located anywhere in the world.
allows users to find resources, frame questions, and organize materials
spatially, and test hypotheses about events in time and space.
Users can explore a region of any size, from the entire world
to a single building, and find appropriate data at any scale.
- Time: TimeMap
can show change over time, so users can track transportation
in the last week, or observe the spread of a religion throughout
the world over many centuries.
Items on the maps can be linked to non-spatial resources: photographs,
sound files, videos, texts, or tables, and in that way, the
map can be a portal into a world of digital data. A TimeMap
project can include georeferenced aerial photographs or scanned
paper maps as well as points, lines or polygons.
While the datasets accessed through TimeMap are located all
over the world, they can be easily found and integrated through
a centralized web-based clearinghouse. This means that accessible
data about time and place, like any library's collection,
can be expanded as knowledge develops.
includes tools and applications that allow various functions.
TimeMap is being developed
by the Archaeological Computing Laboratory at the University of
Sydney. For more information about TimeMap, visit www.timemap.net.
- Indexing, searching
and accessing datasets: TimeMap supports mapping as well
as discovery of resources. In addition to bibliographical information,
specially customized TimeMap metadata describes network connection
protocols and structural features of datasets. This metadata
allows retrieval of spatial and temporal information and associated
attributes for display on a map interface.
- Creating and
viewing interactive maps. TimeMap includes a map interface
and map authoring tool (TMView). Users can gather datasets drawn
from the clearinghouse and locally stored files onto a single
map, filter them according to time and space, and produce customized
cartography. They can browse for resources by time and place
and navigate from the map to associated web resources. User-authored
maps can be added back into the clearinghouse to be shared with
others. For those who prefer not to download software, TMJava
is a browser-based version of TMView.
- Data editing
and metadata creation. TimeMap also includes tools to assist
people who wish to create datasets compatible with TimeMap and
use them locally or register them in the clearinghouse. These
include a metadata editor (TMEdit), and a map geo-registration