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Modified: 2004-06-11
Environmental Resources Information Network
Australian Spatial Data Directory (ASDD)
Quarterly Technical Report
July to September 2000
Introduction
At the end of September 2000, there were 21 nodes within the
ASDD with a total of 40,342 dataset descriptions available for
searching. Statistics are provided for the ASDD covering number,
compliance and reliability of nodes, number of hits and records
per node for the months of July, August and September 2000.
Achievements during past quarter
A new ASDD node was made available to the gateway. It is the
"Murry-Darling Basin Commission Documents" node.
The following table lists the nodes and the number of records
per node that were accessible at 30 September 2000.
|
Node
|
Number of records
|
|
ACT Spatial Data Directory
|
118
|
|
Airesearch Mapping Aerial Photo Catalogue
|
2421
|
|
AUSLIG Data Directory
|
49
|
|
Australian Antarctic Data Centre
|
1145
|
|
Australian Hydrographic Office - Product Metadata
|
1007
|
|
Australian Oceanographic Data Centre
|
529
|
|
BRS Incorporating Other Commonwealth Data
|
205
|
|
Bureau of Meteorology
|
8
|
|
EA Environmental Data Directory (Green Pages)
|
82
|
|
IndexGeo Pty Ltd - Eco Companion catalogue
|
6
|
|
NSW Natural Resources Data Directory
|
3917
|
|
NT Spatial Data Directory
|
283
|
|
Queensland (QSID)Aerial Photography
|
11129
|
|
Queensland (QSID)Spatial Data
|
8839
|
|
South Australian Spatial Information Directory
|
452
|
|
Victorian Spatial Data Directory
|
532
|
|
WALIS Interragator-Aerial Photography
|
6637
|
|
WALIS Interragator-Bibliographic Data
|
854
|
|
WALIS Interragator-Environmental Impact Statements
|
785
|
|
WALIS Interragator-Spatial Data
|
1324
|
|
TOTAL
|
40342
|
Monthly details about the server, port, database, available
records query time and node availablity can be found at:
July
August
September
Usage
The total number of hits recorded for the ASDD pages on the
Environment Australia web site for the months July to September
2000 was 12,454 compared to 14,997 for the previous quarter.
Usage for the months of July, August and September 2000 was
3964, 4591 and 3899 hits respectively. A breakdown of users by
top-level domain for each month is shown below:
 |
|
July 2000
|
|
|
|
Australia
|
1,706
|
43.0%
|
|
Unresolved
|
1,199
|
30.2%
|
|
Network
|
263
|
6.6%
|
|
US Commercial
|
220
|
5.5%
|
|
Local Domain
|
115
|
2.9%
|
|
All Others
|
461
|
11.6%
|
|
|
3,964
|
|
|
August 2000
|
|
|
|
Australia
|
2,482
|
54.1%
|
|
Unresolved
|
970
|
21.1%
|
|
Network
|
386
|
8.4%
|
|
US Commercial
|
260
|
5.7%
|
|
Local Domain
|
132
|
2.9%
|
|
All Others
|
361
|
7.9%
|
|
|
4,591
|
|
|
September 2000
|
|
|
|
Australia
|
1,809
|
46.4%
|
|
Unresolved
|
702
|
18.0%
|
|
Network
|
437
|
11.2%
|
|
US Commercial
|
219
|
5.6%
|
|
Local Domain
|
207
|
5.3%
|
|
All Others
|
525
|
13.5%
|
|
|
3,899
|
|
Node reliability
A summary of node reliability for the period July to September
is given below:
|
Node Uptime
|
July
%
|
August
%
|
September
%
|
|
ACT Spatial Data Directory
|
99
|
100
|
99
|
|
Airesearch Mapping Aerial Photo Catalogue
|
98
|
97
|
99
|
|
AUSLIG Data Directory
|
100
|
99
|
100
|
|
Australian Antarctic Data Centre
|
44
|
99
|
100
|
|
Australian Hydrographic Office - Product Metadata
|
98
|
99
|
99
|
|
Australian Oceanographic Data Centre
|
31
|
68
|
96
|
|
BRS Incorporating Other Commonwealth Data
|
99
|
100
|
99
|
|
Bureau of Meteorology
|
100
|
99
|
100
|
|
EA Environmental Data Directory (Green Pages)
|
100
|
100
|
100
|
|
IndexGeo Pty Ltd - Eco Companion catalogue
|
98
|
99
|
99
|
|
Northern Territory
|
98
|
100
|
96
|
|
NSW Natural Resources Data Directory
|
98
|
99
|
100
|
|
Queensland (QSID)Spatial Data Directory
|
97
|
99
|
99
|
|
Queensland (QSID) Aerial Photography
|
97
|
99
|
99
|
|
SA Spatial Data Directory
|
95
|
99
|
99
|
|
Victorian Spatial Data Directory
|
99
|
98
|
99
|
|
WALIS Interragator-Aerial Photography
|
99
|
96
|
79
|
|
WALIS Interragator-Bibliographic
|
99
|
96
|
79
|
|
WALIS Interragator-Environmental Impact Statements
|
99
|
96
|
79
|
|
WALIS Interragator-Spatial Data
|
99
|
96
|
79
|
|
Average
|
92
|
97
|
92
|
Node managers are automatically notified by email if a server
goes down for a period longer than four hours.
Node descriptions
ASDD node descriptions http://www.ga.gov.au/asdd/tech/node/
It is the responsibility of each node manager to utilise the
online document management application to describe their node and
update the node description whenever they choose.
The following ASDD nodes are briefly described and include
references to further information ...
- Airesearch Mapping Aerial Photo Catalogue
- AUSLIG Data Directory
- Australian Antarctic Data Centre
- Australian Hydrographic Office - Product Metadata
- Australian Oceanographic Data Centre
- BRS - Incorporating Other Commonwealth Data
- EA Environmental Data Directory (Green Pages)
- IndexGeo Pty Ltd - Eco Companion catalogue
- Murray-Darling Basin Commission Documents
- NT Spatial Data Directory
- Queensland (QSID) Aerial Photography
- Queensland (QSID) Spatial Data
- South Australia Spatial Information Directory
- Victorian Spatial Data Directory
- WALIS Interragator-Aerial photography
- WALIS Interragator-Environmental Impact Statements
- WALIS Interragator-Bibliographic Data
- WALIS Interragator-Spatial Data
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