[SoC] project idea - implementing shortest path graph and stepping stone graph

Rajat Shinde rajatshinde2303 at gmail.com
Sat Feb 29 11:40:50 PST 2020

Dear Sameera,

Thanks for showing interest towards contributing to the OSGeo community.

Currently, the project ideas of the OSGeo projects that have signed in for
GSoC 2020 can be found in [1].
The complete list of OSGeo projects is available at [2].

See if one of the projects in [1] fits your interests and start contacting
the project.
If the best project for you to contribute is not in [1] but is in [2]
please contact that project
as soon as possible, and try to find a possible mentor.

Please note that the student application period starts March 16, 2020 18:00
UTC and all the student proposals must be submitted before March 31, 2020
18:00 UTC. Refer [3] for more details.

Kind regards,
OSGeo GSoC Admins

[1] https://wiki.osgeo.org/wiki/Google_Summer_of_Code_2020_Ideas
[2] https://www.osgeo.org/projects/
[3] https://developers.google.com/open-source/gsoc/timeline

On Fri, Feb 28, 2020 at 6:46 AM Sameera Kannangara <dlskannangara at gmail.com>

> Hi OSGeo GSoC mentors,
> I'm Sameera Kannangara, a PhD student from the university of Melbourne. My
> PhD is on spatial data analysis of location based social network data. As
> part of my research work I have implemented Delaunay triangulation [1],
> Gabriel graph [2] and shortest-path graph [3]. Also I have introduced a new
> graph named stepping stone graph [4] and presented it at SIGSPATIAL 2018
> conference. We got nominated for the best paper award and were invited to
> extend and publish the paper in journal of ACM Transactions on Spatial
> Algorithms and Systems [5]. Stepping stone graph has a wide variety of use
> cases such as inferring movement corridors, evaluating nearest neighbour
> queries, Inferring travel networks, most popular path finding, tour
> recommendation, trajectory clustering and group movement detection. For
> some of the use cases we need trajectory information which can be found
> from social media on top of spatial data.I have soft copies of both papers
> if anyone is interested.
> As a part of my research project implementation, I have been a user of
> GeoTools [6] project for over 3 years now. I have heavily used GeoTools UI
> and basic structures such as coordinates and spatial indexes in my
> calculations. I have crude implementations of S-hull algorithm for creating
> Delaunay triangulation, shortest path graph and stepping stone graph, which
> I would like to contribute to the GeoTools project. Shortest path graph is
> also useful when determining boundaries of imprecise regions given as a
> coordinate set. I would like to know the possibility of doing these
> contributions as a GSoC 2020 project. Thank you for your consideration and
> hope to hear from you soon.
> Best wishes,
> Sameera
> [1] https://en.wikipedia.org/wiki/Delaunay_triangulation
> [2] https://en.wikipedia.org/wiki/Gabriel_graph
> [3] https://en.wikipedia.org/wiki/Shortest-path_graph
> [4] https://dl.acm.org/doi/10.1145/3274895.3274913
> [5] https://dl.acm.org/doi/abs/10.1145/3324883
> [6] https://geotools.org/
> _______________________________________________
> SoC mailing list
> SoC at lists.osgeo.org
> https://lists.osgeo.org/mailman/listinfo/soc
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