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ISSI Scientific Report 15
Pierre-Philippe Mathieu
Christoph Aubrecht
Editors
Earth Observation
Open Science
and Innovation
ISSI Scientific Report Series
Volume 15
The ISSI Scientific Report Series present the results of Working Groups (or Teams)
that set out to assemble an expert overview of the latest research methods and
observation techniques in a variety of fields in space science and astronomy. The
Working Groups are organized by the International Space Science Institute (ISSI)
in Bern, Switzerland. ISSI’s main task is to contribute to the achievement of a
deeper understanding of the results from space-research missions, adding value to
those results through multi-disciplinary research in an atmosphere of international
cooperation.
© The Editor(s) (if applicable) and The Author(s) 2018. This book is an open access publication.
Open Access This book is licensed under the terms of the Creative Commons Attribution 4.0 Inter-
national License (http://creativecommons.org/licenses/by/4.0/), which permits use, sharing, adaptation,
distribution and reproduction in any medium or format, as long as you give appropriate credit to the
original author(s) and the source, provide a link to the Creative Commons license and indicate if changes
were made.
The images or other third party material in this book are included in the book’s Creative Commons
license, unless indicated otherwise in a credit line to the material. If material is not included in the book’s
Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the
permitted use, you will need to obtain permission directly from the copyright holder.
The use of general descriptive names, registered names, trademarks, service marks, etc. in this publication
does not imply, even in the absence of a specific statement, that such names are exempt from the relevant
protective laws and regulations and therefore free for general use.
The publisher, the authors and the editors are safe to assume that the advice and information in this book
are believed to be true and accurate at the date of publication. Neither the publisher nor the authors or
the editors give a warranty, express or implied, with respect to the material contained herein or for any
errors or omissions that may have been made. The publisher remains neutral with regard to jurisdictional
claims in published maps and institutional affiliations.
v
vi Foreword
This book invites you to explore various elements of the big data revolution,
addressing the development of Space 4.0, the new generation of data-driven research
infrastructure (including the emergence of data cubes), new applications integrating
IoT and EO, new business models in the emerging geo-sharing economy, new ways
to support e-learning and digital education, new application of technologies such as
cloud computing, artificial intelligence (AI), and deep learning, and the increasing
role of new actors such as innovative startups, ICT corporates, data scientists and
citizen scientists. By doing so, it aims to stimulate new ideas about how to make the
most of EO and derived information in a rapidly changing environment.
Wishing you an inspiring journey in the exciting field of EO Open Science and
Innovation.
Josef Aschbacher
Director of Earth Observation Programmes
European Space Agency (ESA)
Frascati, Italy
Contents
vii
viii Contents
Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 321
Part I
Join the Geo Revolution
The Changing Landscape of Geospatial
Information Markets
Introduction
The Earth Observation industry, part of the wider data economy, is experiencing a
number of factors that are driving change across the value chain. These include,
to name a few, leveraging IT infrastructure such as cloud computing, the rise
of platforms and the Internet of Things (IoT), interconnected terrestrial and
space-borne systems, diversification of business models and open data policies.
Copernicus, the European flagship programme to provide geo-information services
to EU policy makers, provides a strong opportunity as market driver for EO-based
services. According to a recent survey by the European Association of Remote
Sensing Companies (EARSC), Industry is optimistic about the positive impact the
Copernicus programme will have on their business (EARSC 2015).
The European Commission’s Digital Single Market Package is a genuine driver
for EU growth and new jobs. It highlights the benefits of a stronger Digital Single
Market and its potential for higher growth and new jobs, and increasing global
competitiveness:
Full and efficient exploitation of tools and services such as Cloud Computing, Big Data,
Automation, Internet of Things and Open Data can drive for better productivity and better
services, and therefore should be facilitated, including through market driven solutions,
R&D and the promotion of the necessary skills and capacity building, along with further
ICT standardisation and interoperability (Council of the European Union 2015)
The volume, variety and velocity of data are increasingly rapidly and “Big
Data” acts as the oil in the supply chain for many industries. Within the next few
years, ESA spacecraft alone will obtain approximately 25 PB of Earth Observation
(EO) data as a result of the Copernicus programme (Di Meglio et al. 2014). In
addition, data is generated from a multitude of sources, including small satellite
constellations, ground and airborne sensors (e.g. Unmanned Aerial Vehicles, UAVs),
social media, machine to machine (M2M) communications and crowdsourcing.
The cost-effective to process and store data is falling, making it simpler and
more economical to capture larger datasets by leveraging the significant investment
made by companies in the cloud computing industry. Increasing value lies in
turning this data into knowledge and actionable insights, thereby enabling new
applications and services that create value for end users. With views into daily
activity being refreshed at a faster rate than ever before, just selling raw pixels is
not enough to satisfy end-user demands, those pixels need to be turned into insights.
This is evident in the EO sector where ambitious start-ups, such as Planet, are
building constellations of small satellites and developing cutting-edge analytics to
extract value from the data captured. Many of these start-ups consider themselves
as satellite powered data companies. In Planet most recent round of funding the
company plans to use the investment to develop its capabilities for processing,
interpreting and selling data contained in its images. It was this focus that attracted
interest from Data Collective, a venture capital firm, which has backed several big
data start-ups (Financial Times 2015).
More EO missions are being launched than ever before. Reduced launch costs,
miniaturisation of technology, improved on-board processing and better reliability
are driving increased interest in small satellites by new commercial companies. To
unlock the economic potential of data from the increasing number of satellites,
public agencies and private companies are creating data products that aim to be
responsive to user needs. The satellite data generated from ESA’s Sentinel satellite
constellation, for example, will provide actionable insights from the observation of
the planet thanks to an array of sensor technologies, including Synthetic Aperture
Radar (SAR) and Multispectral/Hyperspectral sensors.
EO as a Platform turns raw data into knowledge through processing and analysis,
creating value within and across various sectors. EO and remote sensing data has
significant potential to help us manage the modern world and our planet’s resources.
Applications and services are already emerging for emergency response and
environmental monitoring, while emerging markets such as precision agriculture,
monitoring of illegal fishing and management of natural resources are rapidly
developing. There is increasing value to be created by reaching more customers
through the applications of big data. The EO data value chain creates opportunity
for small and medium sized enterprises (SMEs) and start-ups to engage with the
space sector, and generate value from satellite missions by developing applications
for citizens, local government and commercial industry.
Public agencies are increasingly interested in how they can interact effectively
with companies that have enabled a globally distributed applications ecosystem
and are investing extensively in cloud computing infrastructure. Commercial cloud
providers, like Microsoft Azure and Amazon Web Services, are key enablers of
building, deploying and managing scalable applications with the aim of reaching a
global audience. Open data policies can enable the private sector to do just that, and
reach a wide audience of application developers and end users. According to The
Economist, information held by governments in Europe could be used to generate
an estimated A C140 billion worth of value a year (The Economist 2013). In short,
making official data public will spur innovation and create new applications. These
benefits need to be balanced against the rights of individuals to have their data
protected by government.
Summary: value chain, key drivers of change. Source: Satellite Applications Catapult
6 C. O’Sullivan et al.
The key drivers of change in the data economy impacting the EO market
include:
• Rise of the platforms: leveraging cloud computing infrastructure to process
more and more layers of data, from multiple sources. Simplifying applications
development and building an app ecosystem around scalable, on-demand IT
infrastructure.
• Data as a Service: user manages the application, everything else is delivered as
a service. Moving users closer to the data (“data gravity”) via Content Delivery
Networks (CDNs).1
• Open data policies: demand from users and government policies changing
towards improved access to data and tools.
• New business models: growing an ecosystem of researchers and developers so
that people can easily gain access to and use a multitude of data analysis services
quickly, through cloud and high performance computing (HPC) platforms, to add
knowledge and open source tools for others’ benefit.
• Sensor use growing: Internet of Things and sensors intelligently working at the
edge of networks, complementarity of space-borne and terrestrial data.
• Crowdsourcing: citizen science platforms and their commercial capability.
• Disruptive innovation: introduces a new value proposition. They either create
new markets or reshape existing ones.
Cloud computing is about the capability to access any information, at any time,
regardless of the resources required and the location of the infrastructure, data,
1
CDNs: a content delivery network or content distribution network (CDN) is a large distributed
system of servers deployed in multiple data centres across the Internet. The goal of a CDN
is to serve content to end-users with high availability and high performance. Examples include
Microsoft Azure and Amazon CloudFront.
The Changing Landscape of Geospatial Information Markets 7
Each new computing cycle typically generates around 10 the installed base of the previous
cycle. Source: Kleiner Perkins Caufield Buyers (2014) Internet Trends 2014, see www.kpcb.com/
InternetTrends retrieved on December 5th 2014
application or user. The availability of robust cloud platforms and applications have
begun to enable businesses to shift budget spending from capital expense (including
dedicated, physical on-site servers) to operating expense (shared hosting by cloud
providers) (Woodside Capital Partners 2014).
Cloud computing services are typically segmented into three different areas:
1. Infrastructure as a Service (IaaS)—third-party provider hosts virtualised com-
puting resources over the Internet, through which customers can host and develop
services and applications.
2. Platform as a Service (PaaS)—used by developers to build applications for
web and mobile using tools provided by the PaaS provider—these range from
programming languages to databases.
3. Software as a Service (SaaS)—software is hosted in the cloud, but appears on
devices with full functionality.
Access to the Cloud and platforms are required to capitalise on the data and
tools being created to make it easier and faster to discover, process and action
on EO datasets. The cloud provides scalability and flexibility in a cost-efficient
manner. There should be a combination of ESA and cloud providers supporting
the communities within the EO ecosystem to develop tools and ensure data access.
Commercial cloud, capitalising on co-location of computing resources and data
storage, is now becoming widely adopted as it offers several advantages enabling
users to (1) perform data-intensive science, (2) ensure traceability of workflows,
8 C. O’Sullivan et al.
Cloud delivery options. Source: Woodside Capital Partners (2014) OpenStack: Is this the Future
of Cloud Computing? see www.woodsidecap.com/wp-content/uploads/2014/11/WCP-OpenStack-
Report_FINALa.pdf. Retrieved on 21st November 2014.
input data sets and therefore enabling to reproduce results, (3) facilitate integration
with other non-EO data through standard web services (e.g. open data and IoT
for smart cities) and (4) open new business models, whereby commercial data,
proprietary software, apps and computing resources can now be rented on-demand
(as opposed to purchased) to generate Information as a Service. Given the number of
EO platforms that are being developed and coming on-line, the challenge revolves
around the technical and economic aspects of interoperability, such as:
• A common EO data pool from all EO missions in Europe;
• A processing capability management (sharing of resources and cloud services for
processing);
• Sustainability through fair and democratic access to all resources (data, intel-
lectual properties, enabling technologies/computing) by means of underlying
implementation principles based on brokerage within an open environment;
• Federated user interfaces subsystems (e.g. interlinked EO data catalogues),
interface and standards definition and agreement;
• Development of common value-creation techniques (research in data analytics
and information retrieval, information visualization, data mining, fusion of in
situ data with geo-information, etc.);
The Changing Landscape of Geospatial Information Markets 9
Data as a Service
More recently, the concept of data as a service (DaaS) has developed. It represents
the enablement of regular, non-expert users to effectively take control of often highly
complex and traditionally inaccessible IT tools. DaaS can be defined as the sourcing,
management, and provision of data delivered in an immediately consumable format
to users.2 Like all members of the “as a Service” family, DaaS is based on the
concept that the product, data in this case, can be provided on demand to the user
regardless of geographic or organisational separation of provider and consumer.
Data quality can happen in a centralised place, cleansing and enriching data and
offering it to different systems, applications or users, irrespective of where they
were in the organization or on the network.
An increasing number of Internet network owners have built their own content
delivery networks (CDNs) to improve on-net content delivery and to generate
revenues from content customers. For example Microsoft builds its own CDN in
tandem with its own products through its Azure CDN. CDNs, like Azure and
Amazon’s CloudFront, are key enablers of building, deploying and managing
scalable applications with the goal of reaching a global end user audience. Through
these platforms, underlying computer and storage resources scale automatically to
match application demand.
According to some reports, 300,000 APIs (Application Programming Interfaces)
are projected to be registered by 2020.3 APIs are the fastest growing, business-
influencing technology in the IT industry today. With an API, developers can exploit
functions of existing computer programmes in other applications. Companies are
exposing APIs to allow others to consume their business functions, for a profit.
Where Windows and Linux have been traditional development platforms of the
past, Google, Facebook, Twitter and other companies are becoming the development
platforms of the future. All of these companies built a functional platform of
business capabilities and extended their business models by exposing APIs so that
developers can exploit their functionality. Google Maps is a key example. Many
developers write mash-ups (using content for an application from more than one
source) on top of Google Maps for various reasons, for example retail store locators,
traffic reports, road conditions and so on.
APIs are now coming of age with the advent of cloud computing, where the
ability to host external APIs has matured to a point where cloud service providers
have scalable capacity to handle transaction loads and spikes in traffic. Mobile
platforms now put application reach on millions of devices, all having access to
back-end APIs across the Internet. Amazon Web Services (AWS) Marketplace
(Amazon’s API marketplace) attracts not only developers and partners looking
2
Oracle (2014) Data-as-a-service: the Next Step in the As-a-service Journey, see www.oracle.com/
us/solutions/cloud/analyst-report-ovum-daas-2245256.pdf retrieved on 2nd March 2015.
3
IBM (2013) Global Technology Outlook.
The Changing Landscape of Geospatial Information Markets 11
APIs are enabling more and more devices to connect. Source: IBM (2014) Exposing and Managing
Enterprise Services with IBM API Management.
to exploit Amazon’s APIs, but other vendors also, such as SAP and Oracle (that
provide their own APIs on AWS, to offer analytics for additional value).
Data has been referred to as the new raw material of the twenty-first century. Like
many other raw materials, it needs investment to locate, extract and refine it before
it yields value. Open data, employed in combination with open platforms, such as
APIs, expands the network of minds and unlocks the data’s latent potential. As a
result of increased demand for access to free data, governments and agencies are
doing more to open up large amounts of public sector information to the public.
ESA, for example, is implementing a free, full and open data policy through the
Copernicus programme of Sentinel satellites.
In 1983, President Ronald Reagan made America’s military satellite-navigation
system, GPS, available to the world; entrepreneurs pounced on this opportunity.
Car navigation, precision farming and three million American jobs now depend
12 C. O’Sullivan et al.
on GPS.4 Official weather data are also public and avidly used by everyone from
insurers to ice-cream sellers. All data created or collected by America’s federal
government must now be made available free to the public, unless this would violate
privacy, confidentiality or security.
Open and machine-readable is the new default for government information. (US Presi-
dent, Barack Obama (2013))5
Many countries have moved in the same direction. In Europe, the information held by
governments could be used to generate an estimated A C140 billion a year.6 McKinsey
estimates the potential annual value to Europe’s public sector administration at A
C250
billion.7
The emerging open data ‘Marketplace’. Source: Deloitte (2012) Open growth: Stimulating
demand for open data in the UK, see www2.deloitte.com/uk/en/pages/deloitte-analytics/articles/
stimulating-demand-for-open-data-in-the-uk.html retrieved on 8th February 2015.
There are lots of companies, charities and individuals who would benefit if all
the data the public sector holds was shared with them, particularly if it was shared
only with them. However, those benefits have to be balanced against the rights of
individuals to have their data protected by government, and the risks to individuals
and to society of too much data being available (for example, through making fraud
easier).
4
The Economist (2013) A new goldmine; Open data, see www.economist.com/news/business/
21578084-making-official-data-public-could-spur-lots-innovation-new-goldmine retrieved on 8th
February 2015.
5
Ibid.
6
Ibid.
7
McKinsey Global Institute (2011) Big data: The next frontier for innovation, competition, and
productivity.
The Changing Landscape of Geospatial Information Markets 13
In The Cathedral & the Bazaar, a book by Eric on software engineering methods,
the image of a bazaar is used to contrast the collaborative development model
of open source software with traditional software development. In the traditional
software development “vending machine model”, the full menu of available services
is determined beforehand. A small number of vendors have the ability to get their
products into the machine, and as a result, the choices are limited, and the prices are
high. A bazaar, by contrast, is a place where the community itself exchanges goods
and services.8
In the technology world, the equivalent of a thriving bazaar is a successful
platform. In the computer industry, the innovations that define each era are
frameworks that enabled a whole ecosystem of participation from companies large
and small. The personal computer was such a platform and so was the World Wide
Web. This same platform dynamic is playing out now in the recent success of
the Apple iPhone. Where other phones have had a limited menu of applications
developed by the phone vendor and a few carefully chosen partners, Apple built a
framework that allowed virtually anyone to build applications for the phone, leading
to an explosion of creativity, with more than 100,000 applications appearing in little
more than 18 months, and more than 3000 new ones now appearing every week.9
Android, with a global smartphone operating system market share of around 80%,10
is open-source software for a wide range of mobile devices and a corresponding
open-source project led by Google. These successes are due to the openness around
frameworks.
As applications move closer to the mass of data, for example by building an
applications ecosystem around free and public data sets, more data is created. This
concept of ‘data gravity’ is about reducing the cycle time/feedback loop between
information and the data presented. This is achieved through lower latency and
increased. There is an accelerative effect as applications move closer to data.11
Smartphones and tablets, collectively “mobile devices”, are the fastest adopted
technology in history. They have been adopted faster than cell phones, personal
computers (PCs), televisions, even the Internet and electricity. The reason why the
likes of Apple (iOS) and Google (Android) lead the way in mobile applications
is because they combine a large pool of talented mobile developers with a robust
development infrastructure. Apple ignited the app revolution with the launch of the
App Store in 2008, and since then, an entire industry has been built around app
design and development. According to recent announcements from Apple, apps on
iOS generated over A C8 billion in revenue for developers in 2014 and to date, App
8
Lathrup, D. and Ruma, L. (2010) Open Government: Collaboration, Transparency, and Partici-
pation in Practice, O’Reilly Media.
9
Ibid.
10
Business Insider website, see www.businessinsider.com/iphone-v-android-market-share-2014-
5?IR=T retrieved on 3rd March 2015.
11
Dave McCrory (2011), Gathering Moss, Data Gravity, and Context, see www.datagravity.org
retrieved on 17th March 2015.
14 C. O’Sullivan et al.
New entrants to the EO sector, including Planet and Spire, are opening their data
to developers and end-users through APIs. APIs can make it easier to access EO
data and to extract the embedded value. Planet has announced that it will release a
developer API this year.13
Business models are also emerging to develop a more integrated network of
stakeholders. CloudEO, a German company that supplies EO data on a pay-per-
use or subscription basis,14 aims to bring together imagery providers, analytics
companies and customers through one platform. In order to attract and expand
the user community beyond the boundaries of EO, the development of semantic
search structures can play a pivotal role in reaching new users. The GEOinformation
for Sustainable Development Spatial Data Infrastructure (GEOSUD SDI) is one
example of this.15
Among the new products and services that are being developed, EO video
data products are worth highlighting. Enabled by more frequent revisit times of
EO satellite constellations, these products have the potential to improve the value
proposition of a satellite data provider in applications such as disaster relief,
surveillance and other applications that could benefit from real-time monitoring.16
Canadian company, UrtheCast, has been granted the exclusive right to operate two
cameras on the Russian module of the International Space Station (ISS).17 As
the ISS passes over the Earth, UrtheCast’s twin cameras capture and download
large amounts of HD (5 m resolution) video and photos. This data is then stored
12
Apple (2015) see www.apple.com/pr/library/2015/01/08App-Store-Rings-in-2015-with-New-
Records.html retrieved on 19th January 2015.
13
Planet Labs website, see www.planet.com/flock1/ retrieved on 29th January 2015.
14
Henry, C. (2014) CloudEO Starts ‘Virtual Constellation’ Access with Beta Online Mar-
ketplace, see www.satellitetoday.com/technology/2014/03/26/cloudeo-starts-virtual-constellation-
access-with-beta-online-marketplace/ retrieved on 28th January 2015.
15
M. Kazmierski et al (2014) GEOSUD SDI: accessing Earth Observation data collec-
tions with semantic-based services, see www.agile-online.org/Conference_Paper/cds/agile_2014/
agile2014_138.pdf retrieved on 19th January 2015.
16
Northern Sky Research (2013) Satellite-Based Earth Observation, 5th Edition.
17
UrtheCast (2013), see www.investors.urthecast.com/interactive/lookandfeel/4388192/
UrtheCast-Investor-Deck.pdf retrieved on 29th January 2015.
The Changing Landscape of Geospatial Information Markets 15
and made available via APIs on the basis of a pay-for-use model.18 One of the
innovative characteristics of UrtheCast’s business model is the way it approaches
the revenue streams it can tap into, for example by providing videos free of charge
and generating an online advertising-like revenue from companies that will have
their logos featured on the video in relation to their locations.19
The IoT connects sensors on items, products and machines, enabling users to
receive a more fine-grained picture of information systems. IoT represents the
next evolution of the Internet, taking a huge leap in its ability to gather, analyse,
and distribute data that can be turned into information, knowledge, and actionable
insights.20
The IoT is forecast to reach 26 billion installed units by 2020, up from 900
million 5 years ago.21 Whether used individually or, as is increasingly the case,
in tandem with multiple devices, sensors are changing our world for the better—
be it by reminding us to take our medicine, or by tracking traffic flow. Satellite
imaging of weather systems, vegetation changes, and land and sea temperatures
can be combined with temperature and pollution data on the ground to provide
a picture of climate change and man’s impact on the planet. Limited range
local sensors can provide detailed information that can be cross referenced with
satellite data to validate models, which in turn can be used to provide wide
area predictions and forecasts. This has been fundamental to the development
of weather forecasting, and will be equally fundamental to many other satellite
applications.
Embedding sensors in physical objects like computers, watches and robots,
provides data to develop technologies that solve our needs and make business cases.
For example, an imminent increase in the number of intelligent devices available is
set to make supply chains smarter than ever. However it is not just information about
the location of physical assets that will boost supply chain visibility. Data about their
condition and state will be important, too. For example, if the temperature that food
18
IAC (2014) UrtheCast is #DisruptiveTech, Onwards and Upwards Blog, see
www.blog.nicholaskellett.com/2014/10/03/iac-2014-urthecast-is-disruptivetech/ retrieved on
19th January 2015.
19
UstreamTV (2012) UrtheCast Business Model, see www.ustream.tv/recorded/26973814
retrieved on 19th January 2015.
20
Cisco (2011) The Internet of Things: How the Next Evolution of the Internet Is Changing
Everything.
21
Financial Times (2014) The Connected Business, see www.im.ft-static.com/content/images/
705127d0-58b7-11e4-942f-00144feab7de.pdf retrieved on 21st November 2014.
16 C. O’Sullivan et al.
Rising proliferation of devices. Source: Kleiner Perkins Caufield Buyers (2014), Internet Trends
2014, see www.kpcb.com/InternetTrends retrieved on December 5th 2014.
products are kept at throughout the supply chain can be tracked, food companies
have a better chance of extending shelf-life and reducing waste.22
Toyota has announced the development, in Japan, of the “Big Data Traffic
Information Service”, a new kind of traffic-information service utilising big data
including vehicle locations and speeds, road conditions, and other parameters
collected and stored via telematics services. Based on such data, traffic information,
statistics and other related information can be provided to local governments and
businesses to aid traffic flow improvement, provide map information services, and
assist disaster relief measures.23
Crowdsourcing
There has been an explosion of activity in the area termed citizen science, crowd-
sourcing and volunteered geographic information (VGI). EO data is contributing to
problem solving on a global scale. Some of the highest profile successes happen
when this data is used in citizen science projects, where the power of large numbers
of humans getting involved can achieve results that are simply not possible with
computers alone:
22
Financial Times (2014) The Connected Business, see www.im.ft-static.com/content/images/
705127d0-58b7-11e4-942f-00144feab7de.pdf retrieved on 21st November 2014.
23
ABI/INFORM Global (2013) JAPAN: Toyota to launch Big Data Traffic Information Service.
The Changing Landscape of Geospatial Information Markets 17
24
The Royal Society (2012) Science as an Open Enterprise, The Royal Society Science Policy
Centre report.
18 C. O’Sullivan et al.
Disruptive Innovation
25
Wikipedia, see www.en.wikipedia.org/wiki/Zooniverse_%28citizen_science_project%29
retrieved on 18th January 2015.
26
Christensen et al (2004) Seeing what’s next: using the theories of innovation to predict industry
change, Harvard Business School Press.
The Changing Landscape of Geospatial Information Markets 19
Cloud Computing
The following organisations are key players in the cloud computing market and in
enabling a globally distributed applications infrastructure.
Microsoft Azure
27
Fortune (2011) see www.fortune.com/2011/09/27/is-the-cloud-the-ultimate-disruptive-
innovation/ retrieved on 20th January 2015.
20 C. O’Sullivan et al.
has invested $15 billion to build its cloud infrastructure, comprised of a large global
portfolio of more than 100 datacentres, one million servers, content distribution
networks, edge computing nodes, and fibre-optic networks.28
Leveraging Microsoft’s significant investment in infrastructure and the Azure
platform, NASA was able to more easily build and operate its new “Be a Martian”
site—an educational game that invites visitors to help the space agency review
thousands of images of Mars. Site visitors can pan, zoom and explore the planet
through images from Mars landers, roving explorers and orbiting satellites dating
from the 1960s to the present. In keeping with the rise of gamification, the site
is also designed as a game with a twofold purpose: NASA and Microsoft hope
it will spur interest in science and technology among students in the US and
around the world. It is also a crowdsourcing tool designed to have site visitors
help the space agency process large volumes of Mars images. Researchers at
the NASA Jet Propulsion Laboratory (NASA/JPL) wanted to solve two different
challenges—providing public access to vast amounts of Mars-related exploration
images, and engaging the public in activities related to NASA’s Mars Exploration
Programme. The sheer volume of information sent back by the rovers and orbiters
is unmatched in the history of space exploration. Hundreds of thousands of detailed
photographs are now stored in NASA databases, and new photos are transmitted
every day.
We have so much data that it’s actually hard to process it all. (Dr. Jeff Norris (2010),
NASA Jet Propulsion Laboratory)29
28
Microsoft website see www.news.microsoft.com/cloud/index.html retrieved on 3rd March 2015.
29
Microsoft (2010) see www.microsoft.com/casestudies/Microsoft-Azure/Naspers-Pty-Ltd/New-
NASA-Web-Site-Engages-Citizens-to-Help-Explore-Mars/4000008289 retrieved on 19th January
2015.
The Changing Landscape of Geospatial Information Markets 21
Previously, large data sets such as the mapping of the human genome required hours
or days to locate, download, customise, and analyse. Now, anyone can access these
data sets and analyse them using, for example, Amazon Elastic Compute Cloud
(EC2) instances. Amazon EC2 is a web service that provides resizable compute
capacity in the cloud. It is designed to make web-scale cloud computing easier
for developers. By hosting this important data where it can be quickly and easily
processed with elastic computing resources, AWS wants to enable more innovation,
at a faster pace.
AWS hosts a variety of public data sets that anyone can access for free. One
example of these public data sets, NASA NEX (NASA Earth Exchange), is a
collection of Earth science data sets maintained by NASA, including climate
change projections and satellite images of the Earth’s surface. In 2013 NASA
signed an agreement with AWS to deliver NASA NEX satellite data in order
“to grow an ecosystem of researchers and developers”.30 Previously, it had been
logistically difficult for researchers to gain easy access to earth science data
due to its dynamic nature and immense size (tens of terabytes). Limitations on
download bandwidth, local storage, and on-premises processing power made in-
house processing impractical. Through AWS, NASA is able to leverage the existing
investment already made into the platform.
NASA NEX is a collaboration and analytical platform that combines state-of-
the-art supercomputing, Earth system modelling, workflow management and NASA
remote-sensing data. Through NEX, users can explore and analyse large Earth
science data sets, run and share modelling algorithms, collaborate on new or existing
projects and exchange workflows and results within and among other science
communities. AWS is making the NASA NEX data available to the community
free of charge.
We are excited to grow an ecosystem of researchers and developers who can help us
solve important environmental research problems. Our goal is that people can easily
gain access to and use a multitude of data analysis services quickly through AWS to add
knowledge and open source tools for others’ benefit.31 (Rama Nemani (2013), principal
scientist for the NEX project at Ames)
Together, NASA and AWS are delivering faster time to science and taking the complexity
out of accessing this important climate data.32 (Jamie Kinney (2013), AWS senior manager
for scientific computing)
Scientists, developers, and other technologists from many different industries are
taking advantage of AWS to perform big data analytics and meet the challenges of
the increasing volume, variety, and velocity of digital information.
30
NASA (2013) see www.nasa.gov/press/2013/november/nasa-brings-earth-science-big-data-to-
the-cloud-with-amazon-web-services/#.VLK4KCusWSo retrieved on 19th January 2015.
31
Ibid.
32
Ibid.
Another random document with
no related content on Scribd:
The Project Gutenberg eBook of Answer, please
answer
This ebook is for the use of anyone anywhere in the United States
and most other parts of the world at no cost and with almost no
restrictions whatsoever. You may copy it, give it away or re-use it
under the terms of the Project Gutenberg License included with this
ebook or online at www.gutenberg.org. If you are not located in the
United States, you will have to check the laws of the country where
you are located before using this eBook.
Language: English
By BEN BOVA
Illustrated by SCHELLING
"I didn't realize that Project OZMA was still going on. Have you had
any results yet?"
It was Rizzo's turn to shrug. "Nothing yet. The project has been
shelved for the duration of the emergency, of course. If there's no
war, and the dish doesn't get bombed out, we'll try again."
"Still listening to the same two stars?"
"Yeah ... Tau Ceti and Epsilon Eridani. They're the only two Sun-type
stars within reasonable range that might have planets like Earth."
"And you expect to pick up radio signals from an intelligent race."
"Hope to."
I flicked the ash off my cigaret. "You know, it always struck me as
rather hopeless ... trying to find radio signals from intelligent
creatures."
"Whattaya mean, hopeless?"
"Why should an intelligent race send radio signals out into interstellar
space?" I asked. "Think of the power it requires, and the likelihood
that it's all wasted effort, because there's no one within range to talk
to."
"Well ... it's worth a try, isn't it ... if you think there could be intelligent
creatures somewhere else ... on a planet of another star."
"Hmph. We're trying to find another intelligent race; are we
transmitting radio signals?"
"No," he admitted. "Congress wouldn't vote the money for a
transmitter that big."
"Exactly," I said. "We're listening, but not transmitting."
Rizzo wasn't discouraged. "Listen, the chances—just on statistical
figuring alone—the chances are that there're millions of other solar
systems with intelligent life. We've got to try contacting them! They
might have knowledge that we don't have ... answers to questions
that we can't solve yet...."
"I completely agree," I said. "But listening for radio signals is the
wrong way to do it."
"Huh?"
"Radio broadcasting requires too much power to cover interstellar
distances efficiently. We should be looking for signals, not listening
for them."
"Looking?"
"Lasers," I said, pointing to the low-key lights over the consoles.
"Optical lasers. Super-lamps shining out in the darkness of the void.
Pump in a modest amount of electrical power, excite a few trillion
atoms, and out comes a coherent, pencil-thin beam of light that can
be seen for millions of miles."
"Millions of miles aren't lightyears," Rizzo muttered.
"We're rapidly approaching the point where we'll have lasers capable
of lightyear ranges. I'm sure that some intelligent race somewhere in
this galaxy has achieved the necessary technology to signal from
star to star—by light beams."
"Then how come we haven't seen any?" Rizzo demanded.
"Perhaps we already have."
"What?"
"We've observed all sorts of variable stars—Cepheids, RR Lyrae's, T
Tauri's. We assume that what we see are stars, pulsating and
changing brightness for reasons that are natural, but unexplainable
to us. Now, suppose what we are really viewing are laser beams,
signalling from planets that circle stars too faint to be seen from
Earth?"
In spite of himself, Rizzo looked intrigued.
"It would be fairly simple to examine the spectra of such light
sources and determine whether they're natural stars or artificial laser
beams."
"Have you tried it?"
I nodded.
"And?"
I hesitated long enough to make him hold his breath, waiting for my
answer. "No soap. Every variable star I've examined is a real star."
He let out his breath in a long, disgusted puff. "Ahhh, you were
kidding all along. I thought so."
"Yes," I said. "I suppose I was."
Time dragged along in the weather dome. I had managed to
smuggle a small portable telescope along with me, and tried to make
observations whenever possible. But the weather was usually too
poor. Rizzo, almost in desperation for something to do, started to
build an electronic image-amplifier for me.
Our one link with the rest of the world was our weekly radio message
from McMurdo. The times for the messages were randomly
scrambled, so that the chances of their being intercepted or jammed
were lessened. And we were ordered to maintain strict radio silence.
As the weeks sloughed on, we learned that one of our manned
satellites had been boarded by the Reds at gunpoint. Our space-
crews had put two Red automated spy-satellites out of commission.
Shots had been exchanged on an ice-island in the Arctic. And six
different nations were testing nuclear bombs.
We didn't get any mail of course. Our letters would be waiting for us
at McMurdo when we were relieved. I thought about Gloria and our
two children quite a bit, and tried not to think about the blast and
fallout patterns in the San Francisco area, where they were.
"My wife hounded me until I spent pretty nearly every damned cent I
had on a shelter, under the house," Rizzo told me. "Damned shelter
is fancier than the house. She's the social leader of the disaster set.
If we don't have a war, she's gonna feel damned silly."
I said nothing.
The weather cleared and steadied for a while (days and nights were
indistinguishable during the long Antarctic winter) and I split my time
evenly between monitoring the meteorological sensors and
observing the stars. The snow had covered the dome completely, of
course, but our "snorkel" burrowed through it and out into the air.
"This dome's just like a submarine, only we're submerged in snow
instead of water," Rizzo observed. "I just hope we don't sink to the
bottom."
"The calculations show that we'll be all right."
He made a sour face. "Calculations proved that airplanes would
never get off the ground."
The storms closed in again, but by the time they cleared once more,
Rizzo had completed the image-amplifier for me. Now, with the tiny
telescope I had, I could see almost as far as a professional
instrument would allow. I could even lie comfortably in my bunk,
watch the amplifier's viewscreen, and control the entire set-up
remotely.
Then it happened.
At first it was simply a curiosity. An oddity.
It took Rizzo a few hours to get everything properly set up. I did
some arithmetic while he worked. If the message was in binary code,
that meant that every cycle of the signal—every flick of the dancing
line on our screen—carried a bit of information. The signal's
wavelength was 5000 Angstroms; there are a hundred million
Angstrom units to the centimeter; figuring the speed of light ... the
signal could carry, in theory at least, something like 600 trillion bits of
information per second.
I told Rizzo.
"Yeah, I know. I've been going over the same numbers in my head."
He set a few switches on the computer control board. "Now let's see
how many of the 600 trillion we can pick up." He sat down before the
board and pressed a series of buttons.
We watched, hardly breathing, as the computer's spools began
spinning and the indicator lights flashed across the control board.
Within a few minutes, the printer chugged to life.
Rizzo swivelled his chair over to the printer and held up the unrolling
sheet in a trembling hand.
Numbers. Six-digit numbers. Completely meaningless.
"Gibberish," Rizzo snapped.
It was peculiar. I felt relieved and disappointed at the same time.
"Something's screwy," Rizzo said. "Maybe I fouled up the circuits...."
"I don't think so," I answered. "After all, what did you expect out of
the computer? Shakespearean poetry?"
"No, but I expected numbers that would make some sense. One and
one, maybe. Something that means something. This stuff is
nowhere."
Our nerves must have really been wound tight, because before we
knew it we were in the middle of a nasty argument—and it was over
nothing, really. But in the middle of it:
"Hey, look," Rizzo shouted, pointing to the oscilloscope.
The message had stopped. The 'scope showed only the calm,
steady line of the star's basic two-day-long pulsation.
It suddenly occurred to us that we hadn't slept for more than 36
hours, and we were both exhausted. We forgot the senseless
argument. The message was ended. Perhaps there would be
another; perhaps not. We had the telescope, spectrometer,
photocell, oscilloscope, and computer set to record automatically.
We collapsed into our bunks. I suppose I should have had
monumental dreams. I didn't. I slept like a dead man.