Showing posts with label web. Show all posts
Showing posts with label web. Show all posts

Monday, 24 September 2018

Some really nice geospatial podcasts to enlighten your day





Geodorable: https://geodorable.com/

  • If you like maps and location then you might find listening to a couple of middle-aged guys from the land of the long white cloud (New Zealand) chat irreverently about geospatial stuff just the ticket!

Isn't That Spatial: http://isntthatspatial.net/

  • "Isn't That Spatial" is the podcast bringing everyday geography and urbanism into your earspace.

The Mappyist Hour: http://themappyisthour.com/
  • Geographer and Geo types talking about how incredible their profession is "after hours"

The Scene From Above Podcast: https://www.geoger.co.uk/podcast

  • The #scenefromabove podcast aims to present an informal podcast looking at the world of modern remote sensing and Earth observation, fuelled by their passion for all things raster and geospatial: a mix of news, opinion, discussion and interviews.

GeoGedöns (in German): http://geogedoens.de/

  • Ein Podcast von zwei enthusiastischen Satellitennavigationsbegeisterten, die gerne Technik testen und Spiele spielen, die sich am Handy bzw Smartphone abspielen und für die meist eine Lokalisation via Satelliten nötig ist.

Radio OSM (in German)http://podcast.openstreetmap.de/

  • Berichte und Neuigkeiten rund um OpenStreetMap, ​die freie Wiki-Weltkarte


  • JBGeoPro - Joe Bob Penor (United States), Soundcloud Podcast

A VerySpatial Podcast: http://www.veryspatial.com/
  • Discussions on Geography and geospatial technologies. The VerySpatial blog is intended to be a location for the hosts and participants of A VerySpatial Podcast to link to interesting sites and articles on Geography and related information.

Monday, 15 January 2018

Staying informed with Literature Review on the smartphone

As a scientist / researcher you have to stay informed about the latest research findings in your field. Typically, this means that you should follow the publications of the most important journals in your research domain. I found that many researchers (including myself so far) only conduct proper literature reviews when they work on a specific problem, when writing articles and grant applications. Often they wouldn't find the time to go to all the journal websites and scroll through the article lists etc.

I recently discovered the Feedly RSS reader. RSS is long-known internet feed syndication protocol that is used to subscribe to updates on websites and blogs. I found that many, if not all journals, more or less provide RSS feeds for their latest articles, often with an abstract provided.  Feedly is a website application that helps you to organise RSS feeds and read them online. There is also an Android and an iPhone app. With these you can then read and manage your feeds on the phone. Now I quickly scroll through the latest articles every day via my mobile phone. This way it is just like scrolling through Facebook, Twitter or Instagram, but for journals. And the very few articles that you find relevant or that are of interest for you, you can save them in your Feedly backlog in order to read them later when you are in your office and take reading time :-)

Update: Inoreader is another very similar application to read your RRS feeds, and there are also the respective smartphone apps available.

One advantage of Feedly is that you can export and import lists of your RSS feed sources with so called OPML files.  OPML is available in many RSS reader web sites and applications, so you can both import and export OPML files of RSS subscriptions.

I prepared an OPML Export file for you, a standard list format for your feed URLs,  so you don't have to aggregate all the RSS URLs again. Happy reading and feel confident that you are not missing out on latest papers in your field.

Link to my export.opml file: https://www.dropbox.com/s/li0yjvwyt8cezsc/export.opml?dl=0

It includes links and feeds to the following resources:


  • Information systems and information technology : nature.com subject feeds - rss url and webpage url
  • Google Cloud Big Data and Machine Learning Blog - Google Cloud Big Data and Machine Learning Blog - rss url
  • Research Participant Portal - Funding Opportunities - Recently published Calls - rss url  - webpage url



Happy reading :-)

Sunday, 25 September 2016

Using Liquid Democracy for Water Resources Management: A Review


... and how to link governmental policy processes and geosciences via an interactive decision making platform for water resources co-management.

Initial Context - Case Study New Zealand

The responsibility of management of natural resources, in particular water, is typically delegated to the Regional Councils by the Resource Management Act. Decisions regarding water management are regulated through the National Policy Statement for Freshwater Management. However, those decisions need to be backed by thorough science and in consultation with all stakeholders, be it Iwi, domestic, agricultural or industrial water users, or the general public in regards to recreational services that water resources provide.

Current policy and management decision processes follow a rigid procedure, 1) the science to understand the resources, 2) a consultation process (if at all) about the plan how to manage the resource and 3) the development of a long term strategy and policy decision.

The main concern that I’d like to address is the agility of that process. These steps follow the traditional waterfall project management model, which probably is due to the limitations of current tools. Scientific models that aim to characterise the availability and of natural resources and dynamics of environmental process are developed, possible impact assessed and then described in reports for further use. The data and assumptions utilised in the research process are limited snapshots in time, dependent on the quality of data collection and curation processes, and scope and depth vary with available budget. Based on the information from these reports resource managers discuss strategies how to manage the water resources in reconciliation with demands. The consultation with users is again a cost- intensive process, because it is time-consuming. Furthermore, assumptions e.g. limits or local/regional differences in water allocation for the modelling process cannot be changed flexibly.

The consultation process therefore seems limited to very few pre-decided scenarios, which might not have considered all important stakeholders (who are all important stakeholders anyway?). Thus, a final management and policy decision is often not satisfactory.

I would like to propose more research into an agile, aka “liquid resource management system”. Recent advances in computer and web technologies for example allow dynamic exposure of datasets and scientific software. So it might be time to link data with models and a “delegated voting” mechanism into an online resource management feedback system. Such an online platform would provide the capabilities to run different scenarios transparently within a democratic discussion forum. Through delegates stakeholders can have their interests represented in a co-management approach which allows a close link of the resource managers with the affected communities while having the current science at hand.

Background Liquid Democracy

Probably one of the first explicit thoughts on Liquid Democracy originate from Bryan Ford's draft named Delegative Democracy from 2002. Back then it was uncertain what scientific venue(s) it would be suitable for. Bryan unfortunately didn’t manage to get back to exploring and developing it in any rigorous scientific fashion.


However, he published a well cited informal blog post revisiting the idea and pointing to some of the interesting developments since 2002:


The closest academic work Bryan referred to as a reasonably serious, rigorous exploration of the topic of any kind (and the only peer-reviewed and published work directly on the topic that by then was James Green-Armytage’s political-economic analysis:



This paper took a first step at theoretically defining and analyzing the idea from a cost/benefit perspective, but it’s only a first step and leaves a lot of unanswered questions and issues, and of does not contributes to the empirical space.

Helene Landemore, a colleague of Bryan in political science at Yale, has been interested in this and related “collective intelligence/decision-making” topics for a while. She is working with Rob Reich and Lucy Bernholz at Stanford on some events in the near future exploring this and other related “digital democracy” topics. One might try reaching out to any or all of them as additional points of contacts with more experience in the political and social sciences space.

Further academic or applied works around Liquid Democracy can be found occasionally, for example:

  • Blum, C. & Zuber, C.I., 2015. Liquid Democracy: Potentials, Problems, and Perspectives. The Journal of Political Philosophy, 24(August 2014), pp.6–9. Available at: http://doi.wiley.com/10.1111/jopp.12065




  • Zwattendorfer, B., Hillebold, C. & Teufl, P., 2013. Secure and Privacy-Preserving Proxy Voting System. 2013 IEEE 10th International Conference on e-Business Engineering, 0, pp.472–477



  • Behrens, J. et al., 2014. The Principles of LiquidFeedback. Interaktive Demokratie e. V. Berlin. ISBN: 978–3–00–044795–2, p.240

Liquid Democracy as an Integrating Technology Platform

Possibly the most prominent of the application of Liquid Democracy is the German Pirate Party [1], for which the Software Liquid Feedback was developed [2]. A Medium article describes the distinctive features [3]:

Liquid Democracy is a new form for collective decision making that gives voters full decisional control. Voters can either vote directly on issues, or they can delegate their voting power to delegates (i.e. representatives) who vote on their behalf. Delegation can be domain specific, which means that voters can delegate their voting power to different experts in different domains. This is in contrast with direct democracy, where participants are required to personally vote on all issues; and in contrast with representative democracy, where participants vote for representatives once in a certain election cycle and then never worry about voting anymore.

Coming back to the water sciences and data issues around the water resources management process. In the last decade so called geoportals evolved to integrated systems of systems, not only providing data, but also processing routines and visualisations of the processed geospatial data to support science and education as well as policy and decision making for particular environmental domains. From a scientific and data-centric point of view, it becomes an obvious choice to link the democratic processes with the data in an online platform, e.g. as suggested by Craglia & Shanley (2015), or in an elaborate study "When Water Becomes the New Oil" (Kwiatkowski & Höchli, 2016) from the Swiss Gottlieb Duttweiler Institute (GDI), an independent think tank based in Rüschlikon near Zurich, which frames this as a participatory process.




Links

  1. http://liquidfeedback.org/
  2. http://techpresident.com/news/wegov/22154/how-german-pirate-partys-liquid-democracy-works
  3. https://medium.com/organizer-sandbox/liquid-democracy-true-democracy-for-the-21st-century-7c66f5e53b6f
  4. https://en.wikipedia.org/wiki/LiquidFeedback

Thursday, 5 April 2012

Groundwater Resources in New Zealand

Data Synthesis and visualisation for groundwater resources in New Zealand


“As a conservative estimate, better understanding of groundwater resources could lead to improvements in water management with potential to prevent social, cultural, environmental and economic losses of $1 billion or more, about 1% of New Zealand’s GDP. Understandably, central and regional government has identified improved characterisation of groundwater resources as a top research priority.”
The SMART project is about characterisation of New Zealand’s aquifers, to improve ground- and freshwater management (www.smart-project.info).


The main research aims of the SMART project

  • focus on novel, passive suite of methods to measure groundwater volume and changes in it over time
  • aquifer hydraulic properties
  • fluxes of groundwater interchange with surface waters
  • water age
  • with methods like ...
    • ambient noise seismic tomography
    • airborne geophysical surveying
    • satellite remote sensing
    • fibre optic temperature sensing
    • novel age tracers
Outcomes shall made available via a web portal and harmonised 3D groundwater database that will meet stakeholder needs for open access, ease of use, and interoperability with existing systems. Furthermore the integration of existing data is crucial.

My Thesis Topics

I contribute in the field of “data synthesis and visualisation” in the form of a prototype 3D/4D WebGIS, data processing and web services to provide harmonised hydro(geo)logical data from multiple sources. Within the works for my Master Thesis until June 2012, I identified following milestones:
  • stakeholder consultation - groundwater workshop, visited HBRC and EW
  • gather and analyse (sample) hydro(geo)logical datasets from wells, boreholes or pump tests, managed in systems/databases like GGW/NGMP (GNS), Hilltop and Wiski (very popular among regional councils) – Feb 2012
  • find a common data scheme/data model, migrate and/or transform data online and provide via web services to connect to a (NZ) SDI or integrate/link in web portal for easy access – April 2012
  • identify appropriate technology and standards (ISO, OGC, OASIS … ) 3D/4D visualisation in the web, as aquifers are inherently 3D structures plus time (water time series data -> 4D) – June 2012
The prototype implementations of this thesis will be in test mode, accessible by designated staff and stakeholders. The research about “data synthesis and visualisation” including the topics of this Master Thesis will be continued in more detail by a PhD student from July 2012.
We focus on hydro(geo)logical data. The first steps are about accessing multiple existing sources of data and find a way to publish them via web services (most likely OGC).

Major Challenges include

  • complexity of water-related data – many parameters and measurement properties, parameter naming, units etc.
  • data policy issues (ownership, restricted access ...)
  • data quality and quality and assurance issues – uncertainty, hint/description in metadata
  • as existing data often is not accessible outside their environments (GNS network, regional councils’ local data storage), or mostly via manual file-based email/ftp interchange or as “pdf”-reports, the publishing of existing data from multiple sources is anticipated via the web e.g. via WMS, WFS, WCS, WaterML2.0?, SOS, download (shapefile, raster coverage) to allow easy recombination, correlation and analysis at national scale (surpassing regional boundaries)
  • find a common data scheme, probably “just” implement a software to access databases and deliver WaterML2.0?! Good idea might be to transform online (e.g. XSLT/WPS web service)
  • provide infrastructure, for storage, access, delivery and manipulation of different geodata (vector, raster, time series …)
  • Prepare catalogue and provide metadata in standard encodings (XML, OGC web services, ISO 19115/19139 metadata, CSW, CS-W ebRIM/ISO)
  • Regarding exisiting methods and infrstructures, like Auscope / SISS (AU), GeoNet (NZ), GENESIS FP7 (EU), CUAHSI (North America)
  • Think about GeoSciML for description of geology and geometry, as WaterML is more about time series and measurement data prototypical web 3D/4D map/aquifer visualisation (X3D earth ...)

Monday, 30 January 2012

Hello World

"Hello World"

Obligatory, awkward first post :-)

I am going to post infos about stuff I am actually doing. That mainly includes my UNIGIS studies and the Master Thesis in particular. I am officially matriculated at the University of Salzburg, Austria. I am contributing to their research in the SMART project as a working student in New Zealand. My main interests and recently my main activities lie in the convergence zone of web technologies and GIS. Pretty cool stuff ^^

Cheers,
Alex