Data Management: A Panel

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21 Οκτ 2013 (πριν από 3 χρόνια και 7 μήνες)

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DMSN’10
-

7th International Workshop on Data Management for Sensor Networks

September 13, 2010, Grand Copthorne Waterfront Hotel, Singapore

Future Directions in Sensor
Data Management: A Panel
Discussion

Demetris Zeinalipour

University of Cyprus

Sponsored by :

DMSN’10
-

7th International Workshop on Data Management for Sensor Networks

September 13, 2010, Grand Copthorne Waterfront Hotel, Singapore

Panel Objective




To provide views on the following:


To what extend
the
vision

of
applying data
management

techniques to
sensor network

research has been
successful over the years


e.g., Adoption of ideas proposed by the community


To
examine

the
significance

of
recent
advances
and to
identify

new
directions

that
can
foster research
in
sensor data
management

DMSN’10
-

7th International Workshop on Data Management for Sensor Networks

September 13, 2010, Grand Copthorne Waterfront Hotel, Singapore

DMSN’10 Panelists…


Yanlei Diao
(Univ. of Massachusetts Amherst, USA)

DMSN’08 PC Chair


Christian S. Jensen
(Aarhus University, Denmark)

DMSN’08 PC Chair


Kian
-
Lee Tan
(National University of Singapore,


Singapore)

Le Gruenwald

(National Science Foundation, USA)

DMSN’10
-

7th International Workshop on Data Management for Sensor Networks

September 13, 2010, Grand Copthorne Waterfront Hotel, Singapore

Wireless Sensor Networks


We will soon celebrate
10 years of research
and
developments in the area of sensor networks.


1999:
Kristofer Pister (UCB) introduces the
Smartdust

vision


“a
hypothetical wireless network

of tiny
microelectromechanical

sensors

(MEMS),
robots
, or
devices
, that can
detect

(for example)
light
,
temperature
, or
vibration
.” wikipedia.org


2000:
First release of TinyOS for Rene


Crossbow partners


2001:
Berkeley develops MICA


2002:
TinyOS in nesC is released


2003:
TinyDB launch and 1
st

SenSys Conference


2004:
First DMSN workshop in Toronto





DMSN’10
-

7th International Workshop on Data Management for Sensor Networks

September 13, 2010, Grand Copthorne Waterfront Hotel, Singapore

Research Emphasis of DMSN

(based on
titles

since 2004)


Query Processing


Frameworks


Monitoring


Energy
-
efficiency


Models


Systems


Applications


Storage


….







High

Low

DMSN Aim:
“All important aspects of
sensor

data management
, including
data acquisition
,
processing
, and
storage

in
remote wireless
networks


DMSN’10
-

7th International Workshop on Data Management for Sensor Networks

September 13, 2010, Grand Copthorne Waterfront Hotel, Singapore

Important Research Areas of DMSN

(based on
citations

since 2004)

Total Citations since 2004: 778

DMSN’10
-

7th International Workshop on Data Management for Sensor Networks

September 13, 2010, Grand Copthorne Waterfront Hotel, Singapore

What is the current state?


In recent years, we have been witnessing a paradigm
shift from the initial target of Sensor Networks that
focused on “
Low Power Embedded Sensing devices

and
“Environmental Monitoring Applications”


Nowadays Sensor Devices are packed with more
hardware

(e.g., i
-
Mote2) and
software

capabilities
(e.g., running Linux)


Additionally, even
traditional applications
are much
more
diverse

(e.g., using camera boards for urban
monitoring, etc.)


DMSN’10
-

7th International Workshop on Data Management for Sensor Networks

September 13, 2010, Grand Copthorne Waterfront Hotel, Singapore

12

What is a Sensor Network today?

A Network of Mobile Sensors?


Artifacts created by the
distributed robotics

and
low
power embedded systems

areas
.





Characteristics


Small
-
sized, wireless
-
capable, energy
-
sensitive
, as
their
stationary counterparts.


Feature
explicit

(e.g., motor) or
implicit

(sea/air current)
mechanisms that enable movement.


CotsBots
(UC
-
Berkeley)

MilliBots
(CMU)

LittleHelis
(USC)

SensorFlock
(U of Colorado
Boulder)

DMSN’10
-

7th International Workshop on Data Management for Sensor Networks

September 13, 2010, Grand Copthorne Waterfront Hotel, Singapore

What is a Sensor Network today?

Example: Chemical Dispersion Sampling


Identify the existence of toxic plumes.

Graphic courtesy of: J. Allred et al. "SensorFlock: An Airborne Wireless Sensor Network of Micro
-
Air
Vehicles",
In ACM SenSys 2007
.

Micro Air Vehicles (UAV


Unmanned Aerial Vehicles)

Ground Station

13

DMSN’10
-

7th International Workshop on Data Management for Sensor Networks

September 13, 2010, Grand Copthorne Waterfront Hotel, Singapore

What is a Sensor Network today?


A Network of Smartphones?


Sensor:


Proximity Sensor
(turn off display when getting close to ear)


Ambient Light Detector
(brighten display when in sunlight)


Accelerometer

(identify rotation and digital compass)


Camera, Microphone, Geo
-
location

on GPS, WIFI, Cellular Towers,…


Network:


Bluetooth:
Peer
-
to
-
Peer applications / services


WLAN, WCDMA/UMTS(3G) / HSPA(3.5G):
broadband access.



Actuators:
Notification Light, Speaker.





DMSN’10
-

7th International Workshop on Data Management for Sensor Networks

September 13, 2010, Grand Copthorne Waterfront Hotel, Singapore

15

Sensys’09 Best Paper

Intelligent Transportation Systems with VTrack


Better manage traffic by estimating roads taken by
users using WiFi beams (instead of GPS)
.

Graphics courtesy of: A .Thiagarajan et. al. “Vtrack: Accurate, Energy
-
Aware Road Traffic Delay
Estimation using Mobile Phones, In Sensys’09,
pages 85
-
98. ACM,
(Best Paper) MIT’s CarTel Group

DMSN’10
-

7th International Workshop on Data Management for Sensor Networks

September 13, 2010, Grand Copthorne Waterfront Hotel, Singapore

Complementary Technologies?


Several complementary research fields in the area of
data management seek to solve problems similar to
those addressed by the DMSN community e.g.,

1.
Stream Processors


i.e., for processing real
-
time data flows.

2.
Cloud Data Analytic Frameworks


e.g., Map
-
reduce for analyzing massive data.

3.
Semantic Web Technologies


e.g., Sensorweb for structuring Internet
-
scale sensor
data repositories

DMSN’10
-

7th International Workshop on Data Management for Sensor Networks

September 13, 2010, Grand Copthorne Waterfront Hotel, Singapore

Complementary Technologies?


Several complementary research fields in the area of
data management seek to solve problems similar to
those addressed by the DMSN community e.g.,

1.
Stream Processors


i.e., for processing real
-
time data flows.

2.
Cloud Data Analytic Frameworks


e.g., Map
-
reduce for analyzing massive data.

3.
Semantic Web Technologies


e.g., Sensorweb for structuring Internet
-
scale sensor
data repositories