19 Jun
2008
19 Jun
'08
5:42 p.m.
I noted the idea from vladimir... I have been doing this (GIS
interactive OPENGIS compliant interactive data serving) now since
about 2003, have a look at www.reorient.org.uk and see what you
think, www.worldnet.eu(I think) is also using the datacube aspects..
We use an Open GIS compliant mapserver as the base, as a full GIS is
simply not needed (you will note vector editing is included on
reorient). the data code analyser serve r also produces rather
unsatisfactory thematic maps, and we are not happy with them- but we
are with the mapserver stuff.
If anyone is interested I could provide a paper for trb, i think i
have a suitabel one that would be useful, and we have little Camtasia
and QT movies to show how it all works (and all the things that you
cant see from just a public view) - we also have a tiered set of
Camtasia movies shoing end users, admin and system designers at each
level how to do xml data publishing at one edn and updating a
document on the other!
so the TRB lack of live internet access wont matter..(and yes I WILL
be at TRb09 this time)
Id really like to add that the integration of a document repository
and fullscael communciation tools was a key to the success of the
reorient knowledge base.. when you get data docs maps and analysis
email lists and smtp server and videoconference and WKIKI
comunications in one package through a simple W3C compliant (ie no
Microsoft oddities, and accessibel down to a Palm pilot or an iPod
touch - WARNING Flash is needed for the interactive mapping and
vector editing.. so the most advaced aspects are not accessible
unless you have hacked a flash client onto them) one gets something
that not only makes projects hum along better- but solves the
after-project distribution and access iand secure archiving iissues
as well all in the same process.... quite load reduction for busy
engineers and planners.....
It was a long time ago i suggested a show and tell mapping etc
approach to ANF30, and, many years late, such an approach (with vast
improvements) has been spectactulalry successful for CTTP.
The broader issues of community interagency and international dat
aand document sharing and data exploration cost reductions have not
had quite the same attention!
Ive been involved in several metadata data discovery servers for
wide ranges of traffic transport and planning data in addition to
reorient, and am now involved in making realtime data feeds a part of
such systems in a new generation of post reorient work
(www.roadidea.eu, but the gis bits are not visible just yet)
Again if anyone is interested I could provide a paper (just one)
covering expereinces with all that-- if it is still an interest of
ANF30, Ive been out of touch since I completed my term looking after
the ANF30 metadata subscommittee!
cheers
marcus
At 4:26 PM -0400 19/6/2008, Catherine T Lawson wrote:
ABJ30 Committee Members and Friends,
We now have the final Data & Information Systems Section Retreat
Report (attached) and it is time to move forward with our combined
support for the Section Initiatives - and to get our own Committee
priorities (also attached) transformed into real Research Statements
with funding possibilities. The Annual Meeting is taking shape (see
attached "Plans in the Works" )- so far - we are supporting an ADUS
Applications Workshop, co-sponsoring the NHTS Workshop and a
workshop on practical ways to improve transportation-related data.
We still need to get the Census Sub Committee and the Joint ADUS
Committee scheduled. National Data is heading up the Travel Data
Users Forum - more details soon. Hopefully, some of the ideas below
from Members and Friends will be addressed in the "Practical Ways"
Workshop - but I would encourage everyone to provide feedback on
moving these areas of interest so they can reach the Research
Statement stage - and we can start looking for sponsors and funding!
Hope to see everyone at NATMEC!!!!!
Kate
Ideas from Committee Members --
Vladimir Livshits, Ph. D, M. Sc
System Analysis Program Manager
vlivshits(a)mag.maricopa.gov
I. Information systems
- GIS as an integration base: development of GIS-T and
transportation multi-year master networks. We are trying to
integrate supply data with TIP/RTP/LCP information; LRS-based
systems - might be good for 1/2 day workshop. The system integrates
data flow across MPO business processes from collection to modeling
to Regional Plan.
- Data integration: One direction: supply data counts - travel time
- safety data (we are doing a project on this right now) Another
direction - integration along business processes in metropolitan
planning (data collection / acquisition - data management - data
control and analysis - forecasting/modeling - planning)
- Data accessibility/analysis - we still have a long way to go here.
Looks like private sector is leading now. Might be a good topic for
a workshop or a session. I mean web-based technologies and
analytical tools that will facilitate data utilization. Its related
to the previous two.
II. Possible items for cooperation with ABJ40 - where emerging
problems/issues with travel surveys can be addressed with new
technology:
- household surveys: changes in people's behavior and communication
technology resulted in ever dropping response rates and necessity to
look for different methods of data collection (cell phones surveys,
GPS, progress, issues) - They have some calls for papers on this,
but it seems like some important issues are still not getting enough
attention, how survey methodology affects applicability of the
results, etc.
- household surveys: move to bigger samples - should we go back to
this direction? (that is still the approach in Canada, for example)
- Intercept surveys are under fire in some places (there is an
excellent TTI report on this) and we encourage advancements in
automated data collection (cameras, etc.) again, issues: cooperation
with DOT on license plate information, road closure permits for
installations, quality of the data, etc.
- Travel time and speed data: move from floating car technology to
an ongoing data collection by third parties - implications
- Transit surveys - struggle with low completion rates
- Truck travel surveys - low response rates, how new technology can
help us, how we can establish channels of cooperation with private
sector, place for the new collection techniques
- Luck of independent data sets for travel forecasting model
validation (survey data normally used 100% for
estimation/calibration), supply data can be used only for certain
final validations
- Data requirements of the Activity-Based Models, how the movement
towards disaggregation and microsimulation in modeling affects data
collection
Ideas from Committee Friends
Ken Dueker (duekerk(a)aol.com)
One data area that Dick Lycan and I have been concerned with is
working (mandates or incentive) with Assessor's to gather accurate
counts of number of units housing units on parcels of land. An
accurate count of HUs is important to many demographic based
transportation demand models. Yet it is not counted with care by
assessors and they have not incentive or mandate to do so.
---
_____________________________
Catherine T. Lawson, Ph. D.
Director, MRP Program
Associate Professor
University at Albany
Geography & Planning
AS 218 1400 Washington
Albany, New York 12222
(518) 442-4775
(518) 442-4742 FAX
lawsonc(a)albany.edu
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--
==============================================================================
Dr Marcus Wigan, Personal website http://go.to/mwigan Personal
email m.wigan(a)hertford.oxon.org
* Principal Oxford Systematics, Box 126 Heidelberg 3084 Australia
* Senior Consultant Demis BV, delft, The Netherlands
* University of Melbourne
- Professorial Fellow, Civil and Environmental Engineering,
- Partner, GAMUT, Faculty of Architecture and Planning,
University of Melbourne
* Emeritus Professor of Computing and of Transport Systems, Napier
University Edinburgh Scotland
* Visiting Professor, CTS, Civil and Environmental Engineering,
Imperial College London
==============================================================================