[OSM-legal-talk] ODbL for publications comparing OSM with areference dataset

Wed Sep 7 10:53:34 BST 2011

Hi Angelika,

Please note that OSM is currently distributed under the CC-BY-SA

license. There are plans to create a ODBL version of this database as a

"derived work",  but the required modifications to the database have not

yet started and the community has not yet agreed on a date for this to

happen. Until the ODBL version is available I suggest that you do

not apply OSM data but on an experimental basis, as the availability

of the data under ODBL is not yet assured.

I suggest that you put some pression on the new OSMF board -being newly

elected this week- to publish a schedule for the switch-over so as to
allow

you -and others- to build a serious business model with OSM.

Until then I suggest you to refrain.

Note that I am just a member of the community, and in no

way speaking for the whole of it.

Gert Gremmen

-----------------------------------------------------

Openstreetmap.nl  (alias: cetest)

P Before printing, think about the environment. 

Van: Angelika Voss [mailto:angelika.voss at iais.fraunhofer.de] 
Verzonden: Wednesday, September 07, 2011 11:13 AM
Aan: legal-talk at openstreetmap.org
Onderwerp: [OSM-legal-talk] ODbL for publications comparing OSM with
areference dataset

Hello again,

for one more use case I would like to get your oppinion regarding the
ODbL. Your answers are relevant for our research, and could be relevant
for  Muki Haklay and others who compare OSM with other reference
datasets to analyse the quality, like completeness of objects and
thematic attributes, locational precision, correctness of thematic
attributes. 

Use case "Publication on the quality of OpenStreetMap relative to a
reference set"

A publication assesses the quality of the OSM road network by matching
the OSM objects with those of another road network, the reference set,
and then compares the matching objects. The document contains a thematic
OSM map, where the style (colour, breadth, ...) of the OSM roads
visualizes a compared quality.  The publication could also contain
charts and other maps where the quality is displayed on grid cells. 

Is it correct that only the thematic map with OSM road objects is a
produced work? So only the small table containing the identifiers of the
visible OSM road objects and their quality is a derivative database? And
is this table insubstantial  so that it need not be provided under ODbL?

In particular, underlying our publication is a much bigger table that
contains a matching between the identifiers of the two road networks, as
well as their attributes, which are to be compared, e.g. road category,
name, speed limit, oneway, pedestrian? Is it true that this table need
not provided together with the publication?

Once more, thank you for your comments,

angi voss 

-- 
Dr. Angi Voss
Fraunhofer IAIS
Knowledge Discovery
Schloss Birlinghoven
D-53754 Sankt Augustin

phone:    02241 / 142726
Fax:      02241 / 42726
http://www.iais.fraunhofer.de
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