Technology Infusion Working Group

NATIONAL AERONAUTICS

AND SPACE ADMINISTRATION

Technology Infusion Working Group

Co
-
Chairs:

Karen Moe, NASA/ESTO

Rob Raskin, NASA/JPL


Earth Science Data Systems Working Group Meeting

Philadelphia, PA

October 23
-
25, 2007

NATIONAL AERONAUTICS

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ESDS Tech Infusion Working Group

2

Agenda

•
Mission & Scope

•
Activities & Accomplishments

–
Process & Strategies

–
Web Services

–
Semantic Web

–
Sensor Web

•
Breakout Session Agenda

•
Technology Showcase

–
Web Services and Semantic Web Demonstrations


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ESDS Tech Infusion Working Group

3

Tech Infusion Working Group

•
Mission

–
Enable NASA’s Earth Science community to reach its research,
application, and education goals more quickly and cost effectively
through widespread adoption of key emerging information technologies

•
Scope

–
Information technologies that...

•
Provide capabilities critical to the ESD mission & vision

•
Have been substantially developed (TRL
6
-
9
) but have not been widely
deployed

•
Cannot be obtained simply through reuse of mature subsystems or software

•
May be slow to adopt because of the unique characteristics of Earth science
(e.g., high data volumes)


•
Approach

–
Improve community understanding of the technology infusion process

–
Identify barriers and solutions to technology adoption

–
Use case studies to evaluate effectiveness of infusion processes

–
Identify and evaluate new and emerging technologies

–
Develop roadmaps for adoption of key technologies

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ESDS Tech Infusion Working Group

4

TIWG 2007 Activities

•
Maintained
4
active subgroups

–
Infusion Process and Strategies

•
Subgroup lead: Steve Olding

–
Web Services

•
Subgroup lead: Ken Keiser (UAH)


–
Semantic Web

•
Subgroup lead: Peter Fox (NCAR)


–
Sensor Web

•
Subgroup lead: Karen Moe (ESTO)


•
Conducted weekly telecons

–
1
st

Thursday: Full working group

–
2
nd

Thursday: Process and Strategies

–
3
rd

Thursday: Web Services

–
4
th

Tuesday

Sensor Web

–
4
th

Thursday: Semantic Web

•
Presented poster and held TIWG breakout session at summer ESIP
Federation meeting

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ESDS Tech Infusion Working Group

Capability Vision

•
Continue to review and maintain
the Capability Vision

•
Use the Capability Vision to
identify technologies to study

•
Align technology roadmaps to the
Vision


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Technology Infusion

Process and Strategies Sub
-
Group

Subgroup Lead:

Steve Olding, GSFC

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Process and Strategies Subgroup

•
Reviewed techniques for tracking new and emerging technologies

–
Prediction markets

–
Hype cycles

–
Social tagging

•
Created hype cycle for Google Earth

•
Created hype cycle for Earth science technologies

•
Social tagging with del.icio.us


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8


Gartner Technology Hype Cycle

Phases in the adoption of a new technology


•
"Technology Trigger"

–
The first phase of a Hype Cycle is the "technology trigger" or breakthrough, product launch or
other event that generates significant press and interest.

•
"Peak of Inflated Expectations"

–
In the next phase, a frenzy of publicity typically generates over
-
enthusiasm and unrealistic
expectations. There may be some successful applications of a technology, but there are
typically more failures.

•
"Trough of Disillusionment"

–
Technologies enter the "trough of disillusionment" because they fail to meet expectations and
quickly become unfashionable. Consequently, the press usually abandons the topic and the
technology.

–
Less visibility. More users.

•
"Slope of Enlightenment"

–
Although the press may have stopped covering the technology, some businesses continue
through the "slope of enlightenment" and experiment to understand the benefits and practical
application of the technology.

•
"Plateau of Productivity"

–
A technology reaches the "plateau of productivity" as the benefits of it become widely
demonstrated and accepted. The technology becomes increasingly stable and evolves in
second and third generations. The final height of the plateau varies according to whether the
technology is broadly applicable or benefits only a niche market

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9

Technology

trigger

Peak of

Inflated

Expectations

Trough of

Disillusionment

Slope of

Enlightenment

Plateau of

Productivity

Time

Visibility

OpenGIS
WCS

SWEET

GeoSciML

Simple Web
Services
(REST)


Sensor Web

ECHO
service
catalog

Google Earth

Advanced
Web Services
(SOAP)


Estimate years to
mainstream adoption in
Earth science

<
2
years

2
-
5 years

5
-
10
years

>
10
years

Obsolete
before
plateau

2007 Hype Cycle for Emerging Earth
Science Technologies v0.3

Semantic
Web

OpenGIS
WMS

Digital Earth

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Social Bookmarking with del.icio.us

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Users can create their own tags…

NATIONAL AERONAUTICS

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Search using TIWG tags

Use the ‘tiwg’ AND ‘radar’ tags for new and emerging Earth science technologies

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Total number of times
that this link has been
tagged (all users, not
just tiwg)

Use the search to see what others have been tagging…

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AND SPACE ADMINISTRATION

Start Tagging

•
Go to http://del.icio.us/

•
Register a new account

•
Install the browser buttons

•
Use the ‘tiwg’ AND ‘radar’ tags
to identify new and emerging
technologies of interest to the
Earth science community

NATIONAL AERONAUTICS

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Technology Infusion

Web Services Sub
-
Group

Subgroup Lead:

Ken Keiser

Information Technology and Systems Center

University of Alabama in Huntsville

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ESDS Tech Infusion Working Group

16

Web Services Subgroup

•
Developed white paper on SOA security

•
Reviewed the ECHO services registration process from an end user
perspective

•
Updated the Web Services Roadmap

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ESDS Tech Infusion Working Group

17

Service Oriented Architecture Security

Security White Paper

•
I. Introduction

•
II. General Application Security Issues

–
Authentication

–
Authorization

–
Data Integrity

–
Non
-
repudiation and Auditing

–
Data Confidentiality and Privacy

•
III. SOA Application Security

•
IV. Network Security And SOA

–
General Network Security
Concerns

–
Security Attacks around SOA

–
Security Defense

•
V. Security Compliance

Source: http://enterprisearchitecture.nih.gov/

Principal authors:

Steve Olding, GSFC

Jerry Pan, Oak Ridge National Laboratory

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ESDS Tech Infusion Working Group

18

Evaluate Service Registry Approaches

•
Presentations from

–
ECHO (Andy Mitchell and
Michael Burnett)


–
GCMD (Lola Olsen)


–
Earth Science Gateway
(Nadine Alameh)



NATIONAL AERONAUTICS

AND SPACE ADMINISTRATION

ESDS Tech Infusion Working Group

Review of NASA ECHO Web Service
Registration Process White Paper

•
Pragmatic review of the web
services registration process
from the end user perspective

•
Document the registration
process

•
Provide guidance to
prospective users of ECHO

•
Provide feedback to ECHO
operations

Principal authors:

Yuqi Bai and Liping Di, George Mason University

Ken Keiser, University of Alabama in Huntsville

NATIONAL AERONAUTICS

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ESDS Tech Infusion Working Group

ECHO Web Service Registration

Lessons Learned & Recommendations

Based on this exercise, our understanding is:

1.
ECHO
8
supports Web Service Providers to register the Web
Service Interface and the Web Service Implementation objects.

2.
Web Service Providers need to have two types of accounts in
ECHO: one Service Provider account and at least one user
account. The user account(s) must be associated with the
Service Provider account.

3.
Two distinct WSDL files are needed: the Web Service Interface
WSDL and the Web Service Implementation WSDL. They should
be accessible on the web.

4.
Web Service Interfaces will be activated by ECHO Ops. A new
hosting URL will be provided by the ECHO system. We need
then to update Web Service Implementation WSDL file
accordingly to reference this new Web Service Interface URL.

5.
The Web Service Interfaces and the Web Service
Implementations will not be publicly discoverable and accessible
until they are activated by ECHO Ops.

Suggestions for Web Service Providers:

1.
First register the Web Service Interface then the Web Service
Implementation.

2.
Run discovery function to guarantee that the registered Web
Service Object is available before taking the next step.

3.
Use ECHO Extended Services Tool to fulfill Web Service Object
registration.

4.
Send emails directly to ECHO Ops at
echo@killians.gsfc.nasa.gov

for

any problems you may
encounter when registering Web Service Objects.

Suggestions for ECHO Operations Group:

1.
The ECHO Extended Services Tool only provides
Register/update/delete functionalities for Web Service Providers.
It would be better to support discovery functions.

2.
Remove unnecessary functions from the ECHO Extended
Services tool, or make them invisible to Web Service Providers.

3.
Our experiment is time
-
consuming. We encountered some
exceptions or problems in almost every step. A user guide for
Web Service Providers is highly needed. It not only shows one
step after another how they can fulfill all the tasks, but includes
some QoA sections for quick problem resolving.

4.
A guide for Web Service Users is also needed.

5.
ECHO Ops personnel are very helpful. It would be better if they
could be more responsive. Currently, users are supposed to
report any issue to an open email list. But some times,
"everybody is responsible" can come to mean "nobody is
responsible".

6.
The web site needs to correctly describe the “Extended Services
Tool” as application based.

7.
The Extended Services Tool provided on a specific ECHO
version’s web site needs to be modified to be in synch with that
version in terms of defaults and capabilities.

NATIONAL AERONAUTICS

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ESDS Tech Infusion Working Group

Outcome

Web Services Roadmap 2005

Technology



Geospatial services
established



Open geospatial
services proliferate



Production quality
geospatial services



䝥G獰慴aal 獥svi捥c
捡瑡cog 敳瑡eli獨ed
⡗卄L, UDDI)



Co浭mn g敯獰慴a慬
獣s敭愠慤op瑥t

⡇(L, 䕓EL)



却慮d慲d
wor武low l慮gu慧攠
in晵獥s ⡂偅P)



佰敮O来g獰慴s慬
潮瑯汯杹
捯cv敲来猠⡏坌(



Lo捡c pro捥獳楮c ⬠
d慴愠數捨慮ge



B慳a挠d慴愠
瑡tloring 獥svi捥猠
⡤慴愠慳a獥svi捥c



In瑥top敲慢le
g敯獰慴a慬 獥svi捥c

⡡(慬y獩猠慳a獥svi捥c



Parameter
-
based
product searches and
access

Interoperable
Information
Infrastructure

Assisted
Discovery &
Mediation



Metadata
-
driven
data fusion
(semantic service
chaining)



Automatic
service
mediation



卥浡S瑩挠g敯獰慴aal
獥慲捨s& 慣捥獳



Co浭mn 獥svi捥c
pro瑯捯l, d敳捲ep瑩on
慤op瑥t

⡓佁P, W卄L)

C慰慢ili瑹

R敳el瑳



Improved
Information
Sharing



A捣敬敲慴敤
R敳敡牣栠&
卹獴敭sCo獴s
卡Sings



In捲敡獥e
Coll慢or慴aon &
In瑥tdi獣iplinary
卣S敮捥



In捲敡獥e 偉
偡P瑩捩p慴ion in
In景r浡瑩on
偲odu捴con



In捲敡獥e
D慴愠U瑩liz慴aon



佰敮 獥svi捥c
pro瑯捯l猠敳瑡eli獨ed
⡈TTP, R䕓E)



Intelligent
Services



啮i晩敤e獥s畲i瑹 ☠
i摥d瑩瑹 浡湡来浥湴n

⡗(
-
卥S畲i瑹, 十M䰩



Full geospatial
logical searches and
access



佰敮 d慴愠慣捥獳a
敳瑡elish敤
⡏(敮DAP, 佇O)

Data

Messaging

Output

Current

Near Term

Mid Term

Long Term

NATIONAL AERONAUTICS

AND SPACE ADMINISTRATION

ESDS Tech Infusion Working Group

Outcome

Web Services Roadmap 2007 Update

Technology



Geospatial services
established



Open geospatial
services proliferate



Production quality
geospatial services



䝥G獰慴aal 獥svi捥c
捡瑡cog 敳瑡eli獨ed
⡗卄L, UDDI)



Co浭mn g敯獰慴a慬
獣s敭愠慤op瑥t

⡇(L)



却慮d慲d
wor武low l慮gu慧攠
in晵獥s ⡂偅P)



佰敮O来g獰慴s慬
潮瑯汯杹
捯cv敲来猠⡏坌(



Lo捡c pro捥獳楮c ⬠
d慴愠數捨慮ge



B慳a挠d慴愠
瑡tloring 獥svi捥猠
⡤慴愠慳a獥svi捥c



In瑥top敲慢le
g敯獰慴a慬 獥svi捥c

⡡(慬y獩猠慳a獥svi捥c



Parameter
-
based
product searches and
access

Interoperable
Information
Infrastructure

Assisted
Discovery &
Mediation



Metadata
-
driven
data fusion
(semantic service
chaining)



Automatic
service
mediation



卥浡S瑩挠g敯獰慴aal
獥慲捨s& 慣捥獳



Co浭mn 獥svi捥c
pro瑯捯l, d敳捲ep瑩on
慤op瑥t

⡓佁P, W卄L)

C慰慢ili瑹

R敳el瑳



Improved
Information
Sharing



A捣敬敲慴敤
R敳敡牣栠&
卹獴敭sCo獴s
卡Sings



In捲敡獥e
Coll慢or慴aon &
In瑥tdi獣iplinary
卣S敮捥



In捲敡獥e 偉
偡P瑩捩p慴ion in
In景r浡瑩on
偲odu捴con



In捲敡獥e
D慴愠U瑩liz慴aon



佰敮 獥svi捥c
pro瑯捯l猠敳瑡eli獨ed
⡈TTP, R䕓E)



Intelligent
Services



啮i晩敤e獥s畲i瑹 ☠
i摥d瑩瑹 浡湡来浥湴n

⡗(
-
卥S畲i瑹, 十M䰩



Full geospatial
logical searches and
access



佰敮 d慴愠慣捥獳a
敳瑡elish敤
⡏(敮DAP, 佇O)

Data

Messaging

Output



Automated

Data Utilization



Co浭mn g敯獰慴a慬
獣s敭愠慤op瑥t

⡇(L)



Co浭mn 獥svi捥c
pro瑯捯l, d敳捲ep瑩on
慤op瑥t

⡓佁P, W卄L)



䝥G獰慴aal 獥svi捥c
捡瑡cog 敳瑡eli獨ed
⡗卄L, UDDI)



却慮d慲d
wor武low l慮gu慧攠
in晵獥s ⡂偅P)



佰敮O来g獰慴s慬
潮瑯汯杹
捯cv敲来猠⡏坌(



啮i晩敤e獥s畲i瑹 ☠
i摥d瑩瑹 浡湡来浥湴n

⡗(
-
卥S畲i瑹, 十M䰩



In瑥top敲慢le
g敯獰慴a慬 獥svi捥c

⡡(慬y獩猠慳a獥svi捥c



Metadata
-
driven
data fusion
(semantic service
chaining)



Open geospatial
services proliferate



Widespread

production quality
geospatial services

Current

Near Term

Mid Term

Long Term

Current

Near Term
0
-

2
yrs

Mid Term
2
-

5
yrs

Long Term 5+ yrs

NATIONAL AERONAUTICS

AND SPACE ADMINISTRATION

Technology Infusion

Semantic Web Sub
-
Group

Subgroup Lead:

Peter Fox

HAO/ESSL/NCAR

NATIONAL AERONAUTICS

AND SPACE ADMINISTRATION

Semantic Web Subgroup

•
Developed Semantic Web Roadmap

–
Aligned to Capability Vision

–
Aligned to the Web Services Roadmap

•
Created hype cycle for semantic web technologies

•
Presented tutorials on semantic web at ESDS WG, ESIP Fed winter
and summer meetings, demonstrations, etc.


NATIONAL AERONAUTICS

AND SPACE ADMINISTRATION



Improved
Information
Sharing



Geospatial
semantic services
established

Assisted
Discovery &
Mediation



Local
processing + data
exchange



卯浥m捯浭mn
vo捡cul慲y b慳敤
produ捴c獥慲捨s
慮d 慣捥獳



Revolutionizing
how science is
done



Autonomous
inference of
science results



Scientific
semantic assisted
services



Acceleration of
Knowledge
Production



Increased
Collaboration &
Interdisciplinary Science



Geospatial semantic
services proliferate



Metadata
-
driven
data fusion
(semantic service
chaining), trust



Semantic agent
-
based integration


Interoperable
geospatial services

(analysis as
service), results
explanation service



Semantic agent
-
based searches



Basic data
tailoring services
(data as service),
verification/
validation



Semantic
geospatial search &
inference, access



南䕅E 捯r攠
ㄮ〠
b慳敤 on
䝃MD/CF



SWEET core 2.0
based on best
practices decided from
community



SWEET 3.0 with
semantic callable
interfaces via standard
programming languages



Reasoners
able to utilize
SWEET
4.0



RDF, OWL,
OWL
-
S



Geospatial
reasoning, OWL
-
Time



Numerical
reasoning



Scientific
reasoning

Technology

Interoperable
Information
Infrastructure

Vocabulary

Languages/
Reasoning

Output

Outcome

Results

Capability

Near Term (
0
-
2
yrs)


Current


Mid Term (2
-
5 yrs)


Long Term (
5
+ yrs)

Semantic Web Roadmap

NATIONAL AERONAUTICS

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Near Term (0
-
2 yrs)


Current


Mid Term (2
-
5 yrs)


Long Term (5+ yrs)

Interoperable
Information
services

Assisted
Discovery &
Mediation



Local processing +
data exchange



䉡B楣 摡瑡t瑡楬潲楮朠
se牶楣es ⡤a瑡⁡s
se牶楣e⤬)ve物晩ra瑩潮⼠
va汩摡瑩潮



Interoperable geospatial
services

(analysis as service),
results explanation service



Me瑡摡瑡
-
摲楶e渠
摡瑡t晵s楯渠⡳(浡湴楣
se牶楣e c桡楮楮朩Ⱐ
瑲畳t

Capability



Key data access
services are
semantically mediated



Access 浥摩d瑥搠
批 c潭浯渠
潮o潬潧楥s



Access 浥摩d瑥搠批
a杲ge搠s瑡湤t牤r
v潣a扵污物rsⰠ桡牤
-
w楲i搠
c潮湥o瑩潮猠



䵥摩d瑩潮ta楤i搠dy
se牶楣es w楴栠摯da楮i
牡湧n 灲潰e牴楥s



S潭o c潭浯渠
v潣a扵污特 扡se搠灲潤pc琠
sea牣栠a湤⁡ccess



Se浡湴楣 a来湴
-
扡se搠
楮瑥杲i瑩潮



Se浡湴楣 a来湴
-
扡se搠sea牣桥s



Se浡湴楣 来潳灡瑩t氠
sea牣栠☠楮晥&e湣eⰠ
access



S桡牥搠瑥t浩湯n潧o 景爠
the visual properties of
interface objects and graph
types...



Ta朠灲潰g牴楥sⰠ湯n
-
jargon vocabulary for
non
-
specialist use



Se浡湴楣 晩f汤l
to describe tag key
modal functions.



䱩浩瑥搠浥瑡摡瑡t
passed to analysis
applications

Interactive
Data
Analysis

Seamless
Data
Access

Assisted
Knowledge
Building

Verifiable
Information
Quality

Responsive
Information
Delivery



Some metadata
and limited
provenance
available



䍯浭潮m
瑥牭t湯汯杹 ca灴畲u搠
in ontologies, crossing
domains



P牯re湡湣e⼠
a湮潴a瑩潮tw楴栠
ontologies in user
tools



O湴潬潧楥s 景爠摡瑡t
浩湩n本gv楳畡汩穡瑩潮ta湤n
a湡汹s楳⁥浥牧r湧n 浡瑵物湧



Ve物晩ra瑩潮t楳 浡湵慬
w楴栠浩湩浡氠瑯潬o
s異灯牴



䑯浡楮⁡湤⁲n湧攠
灲潰敲瑩ts 楮湴i汯杩ls
畳e搠楮i瑯潬o



Se牶楣e
潮o潬潧楥s ca牲r
煵慬楴i 灲潶e湡湣e



佮瑯汯杩ls 景爠
楮景牭i瑩潮t煵慬楴i
摥ve汯灥d



Se牶楣es 浵m琠扥
hardwired and service
agreements established



Services annotated
with resource
descriptions



Dynamic service
discovery and mediation,
and data scheduling



Semantic markup of
data latency (time lags)
which adapt dynamically

Semantic Web Roadmap

(expanded capability)

NATIONAL AERONAUTICS

AND SPACE ADMINISTRATION

Hype Cycle for Semantic Web

Technology

trigger

Peak of

Inflated

Expectations

Trough of

Disillusionment

Slope of

Enlightenment

Plateau of

Productivity

Time

Visibility

Natural
Language
Ontologie
s

SKOS,
FOAF

Smart
search, e.g.
NOESIS

Tagging /
annotation

OWL 1.1

Reasoners, e.g.
Pellet, Racer,
DIG

Managing,
modular
ontologies
(ES and
general)

Upper level
ontologies,
e.g ABC

Concept
map, Cmap

Protégé

XML

OWL

Mid
-
level ES
ontologies,
e.g SWEET

Mid
-
level ES
ontologies,
e.g GEON

Semantic Wiki

RDF

Ontology, e.g.
SWOOP

Semantic Web
Services

Query Lang,
SPARQL

Rules/Logic,
SWRL

Validators

2007
Hype Cycle for Emerging Semantic Web Technologies v
0.2

NATIONAL AERONAUTICS

AND SPACE ADMINISTRATION

Technology Infusion

Sensor Web Sub
-
Group

Subgroup Lead:

Karen Moe

ESTO


Sensor Web Concept View (
2007
)

Image from the NASA report
ESTO AIST Sensor Web Technology Meeting
Feb 2007

NATIONAL AERONAUTICS

AND SPACE ADMINISTRATION

Sensor Web Subgroup Objectives

•
Provide a technology infusion forum for the ESTO
Advanced Information Systems Technology (AIST)
principal investigators

–
35 projects of varying duration (1, 2 and 3 years)

–
Projects initiated Aug 06
-

Jan 07

–
Participation is voluntary

•
Subgroup started March 2007

–
Telecon each 4th Tuesday at 2:00 pm eastern

•
Dial in: 800
-
988
-
9494 Passcode: 85139

•
AIST Sensor Web
sensorweb@lists.sciencedatasystems.org

•
SensorWeb collaboration site:
http://teambps.mywsssite.com/seeds/wg/infusion/sensorweb/default.a
spx

NATIONAL AERONAUTICS

AND SPACE ADMINISTRATION

Sensor Web Subgroup Activities

•
Developed material for sensor web tutorial

–
Presented at the ESIP Fed summer meeting July
07

–
Limited assessment of use cases

•
Jointly addressing sensor web metrics with Metrics WG

–
Telecons and meetings held (e.g. session at the NASA Science
Technology Conference
2007
) to explore the evolving definition
of sensor web concepts and implications for defining success
metrics

•
Overlapping themes
-

Web Services and Semantics

•
Plans to develop use cases

–
Ecology/ land use

–
Weather

–
Disaster Response

•
And develop a sensor web wiki

NATIONAL AERONAUTICS

AND SPACE ADMINISTRATION

Sensor Web Metrics

•
Two perspectives on metrics:

1.
Measure to what degree a system approaches/meets the sensor web
definition (or ideal)

2.
Measure utility of the sensor web system (performance, productivity,
usability)

•
Current ideas

–
Explore the usefulness of developing a “sensor web readiness level”
assessment mechanism, ala TRL (technology readiness level)

–
Decompose sensor web concepts/components into identifiable, and
perhaps measurable, sensor web levels

–
Seek measures of the utility factor, for example


•
Performance (e.g. response time)

•
Productivity (e.g. outcome metrics like publications, new capability,
cost improvement, on
-
demand data acquisition, new products/
products on demand, new users, impact of standards use)

•
Usability (time spent on task, accessibility)

•
Joint session with Metrics on Thursday morning

NATIONAL AERONAUTICS

AND SPACE ADMINISTRATION

Sensor Webs and WGISS

•
Committee on Earth Observing Satellites (CEOS)
-

Working Group on Information Systems and Services
(WGISS)

•
CEOS committed support to the international Group on
Earth Observations (GEO) to demonstrate the role of
remote sensing satellites to global observation systems

•
CEOS pursuing Virtual Constellations and WGISS
embraced the GEO sensor web task

•
Task team exploring potential joint demonstrations

–
Show power of the sensor web approach for selected scenarios

–
Use available assets from members
-

decision support systems,
in situ sensor networks, mobile sensors, flight instruments and
data, analysis and prediction systems

–
Assess interoperability protocols

–
Register services

NATIONAL AERONAUTICS

AND SPACE ADMINISTRATION

Technology Infusion Breakout Sessions

NATIONAL AERONAUTICS

AND SPACE ADMINISTRATION

ESDS Tech Infusion Working Group

35

TIWG Breakout Agenda

•
Tuesday, Oct
23
,
2007

–
TIWG breakout
1
,
1
:
30
–

3
:
30

•
Selection of new community co
-
chair

•
Discussion
-

future technology focus and new key technology areas for
evaluation

–
TIWG breakout
2
,
4
:
00
-

5
:
00

•
Web services registries

•
Use Cases

•
Wednesday, Oct
24
,
2007

•
AM
-

Joint working groups session. TIWG topics; sensor webs and emerging
technology tracking (hype cycle & del.icio.us)

•
Thursday, Oct
25
,
2007

–
8
:
30
–

9
:
30
Joint meeting with metrics working group on metrics for
sensor web and web services

–
10
:
00
–

10
:
30
Joint meeting with reuse working group on reuse
readiness levels (similar to TRLs)

–
TIWG Breakout
3 10
:
30
-

12
:
00

•
Review of subgroups, goals and objectives for
2008

•
How to better work with the larger community
-

relationships with other
groups e.g. GEOSS