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Subject: [Urgent] Proposal for OGC Search Summit

Dear colleagues,

Please note that this email is time-sensitive and solicits your input ASAP.

The Open Geospatial Consortium (OGC) is holding a special Search Summit 
meeting to discuss future directions for interoperable search within OGC 

I will be attending the meeting and will be making a proposal to use 
ebXML RegRep 4.0 search features within future OGC specifications. 
Please review the attached 1 page draft proposal and provide input and 
comments. Background information on the meeting is also attached to this 
message. I will soon also send a slide presentation for your review that 
will be used to provide details on RegRep search features for the OGC 
Serach Summit meeting.

Thank you for your prompt feedback as I need to send the 1 page proposal 
out by tomorrow.

ps: My thanks to Oliver for providing valuable input into this proposal.

Farrukh Najmi

Web: http://www.wellfleetsoftware.com


--- Begin Message ---
The following is an updated agenda and Background/Problem Statement. We finetuned the Background, Problem Statement, and Summit Outcomes in the OGC Architecture Board meeting today.
Introductions and logistics (10 minutes)
Agenda bashing
Update on standards work related to search (each presentation about 10 minutes to provide general description and update). 
  • OGC Catalogue Web: Doug Nebert.
  • Spatial relations (metric and topological): John Herring
  • SQL-MM/Spatial: Paul Scarponcini
  • OASIS WS-Search: Ray Denenberg
  • OASIS ebXML RegRep 4.0 Search Features: Farrukh Naijmi
  • OpenSearch: Andrew Turner
Work! Work to begin at about 11 AM and continue until about 4 PM.
- existing protocol status and capabilities
- spatial operators
- CRS and other implicit but important parameters
- expressing or determining location
- Discussion on how standards orgs can work together

The OGC community has developed and published web service specifications
for feature search (WFS) and catalogue search (CSW) that leverage
external search standards. OGC Catalogue search is generally based on the
abstract model from the ANSI Z39.50 (ISO 23950) "Information Search and
Retrieval" protocol. This customization results in query behavior that
is more aligned with the Web Feature Service than other Web search
engine protocols, and yet catalogue is a rough surrogate for a search
engine interface to geospatial resources. Public concern has been
expressed about search engine incompatibilities. In addition, a variety
of methods have been deployed on the Web for the spatial search for Web
resources (search engines for documents, data sets, services) and
expertise within the OGC should be offered to assure spatial query
capability on catalogues and indexed web document collections.

Problem Statement

A need exists to 1) identify the predominant resource search standards
and practices that OGC should adopt or harmonize with and 2) promote a
minimum set of geospatial search 'best practices' or patterns that
should be promoted and adopted in search protocols external to the OGC.

Desired Summit Outcomes

Identify and document trends, audience, and market presence of current
Internet search engine technology external to OGC

Define a roadmap for future OGC Web Service technology baseline that
aligns with external standards

Identify and document geospatial search requirements and techniques that
should be promoted for adoption by the broader Web (catalog/collection)
search community
Carl Reed, PhD
CTO and Executive Director Specification Program
The OGC: Helping the World to Communicate Geographically
This communication, including attachments, is for the exclusive use of addressee and may contain proprietary, confidential or privileged information. If you are not the intended recipient, any use, copying, disclosure, dissemination or distribution is strictly prohibited. If you are not the intended recipient, please notify the sender  immediately by return email and delete this communication and destroy all copies.
"The important thing is not to stop questioning." -- Albert Einstein
"Security is mostly a superstition. It does not exist in nature. Life is either a daring adventure or nothing." -- Helen Keller
--- End Message ---

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