ASDD quarterly report - April to June 1999

Environmental Resources Information Network

Australian Spatial Data Directory (ASDD)

Quarterly Technical Report

April to June 1999

Introduction

This quarterly report provides a technical status of the Australian Spatial Data Directory (ASDD). ERIN, Environment Australia, is coordinating the technical implementation of the directory. At the end of June 1999, there were 14 nodes within the ASDD with a total of 19,921 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 April, May and June.

ASDD Implementation Consultancy- IndexGeo Pty Ltd

AUSLIG, ERIN and ANZLIC have jointly funded this consultancy.

Achievements during past quarter

• General technical implementation support to all nodes
• Investigated possibilities for new node at National Library of Australia (NLA)
• Gathered official Geographic Extent Name (GEN) lists http://www.ga.gov.au/anzmeta/place/
• Made available current Isite package Isite-2.06
• Enhanced Isite-RDBMS connection at ERIN
• "Status of nodes" application now lists Sample Response Times at each hourly visit http://www.ga.gov.au/asdd/tech/serverstatus/
• Added more technical documentation http://www.ga.gov.au/asdd/tech/

Expected during next quarter

• Continue technical implementation support for existing nodes
• Assist new nodes TAS and NLA
• Technical assistance site visits to some nodes
• Encourage remaining nodes to upgrade to XML document collections
• Implement improved ASDD gateway interfaces
• Make available current Isite package Isite-2.06
• Tweaks to technical documentation

Nodes

The following table lists the nodes and the number of records per node that were accessible at 30 June 1999.

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Usage

The total number of hits recorded for the ASDD pages on the Environment Australia web site for the months April to June 1999 was 4,512 compared to 5,300 for the previous quarter.

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Usage for the months of April, May and June 1999 was 1983, 1487 and 1042 hits respectively. A breakdown of users by top-level domain for the each month is shown below:

April 1999
Unresolved	906	45.7%
Australia	742	37.4%
US Commercial	142	7.2%
Network	58	2.9%
United Kingdom	20	1.0%
All Others	115	5.8%
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Node reliability

A summary of node reliability for the period April to June is given below:

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 ...

• AUSLIG Data Directory
  
  

• BRS - Incorporating Other Commonwealth Data

• EA Environmental Data Directory (Green Pages)

• IndexGeo Pty Ltd - Eco Companion catalogue

• NT Spatial Data Directory

• Queensland (QSID) Aerial Photography

• Queensland (QSID) Spatial Data

• South Australia Spatial Information Directory

• Victorian Spatial Data Directory

• WALIS Interragator-Bibliographic Data

• WALIS Interragator-Spatial Data