Kristóf Bárdos, the CEO of Digital Natives, Co-founder of Green Fox Academy and Social Fokus shares his thoughts on how leaders and communities are in charge to help people to achieve their highest potential.
The fascinating world of Internet of Things is so huge that it cannot be fully described in one session. But you can start your adventure. Presentation of IoT Hub, reference architecture, fast review of a few ready solutions and interaction with MXChip IoT DevKit.
Athens IoT meetup #7 - Create the Internet of your Things - Laurent Ellerbach...Athens IoT Meetup
Laurent Ellerbach, technical evangelist manager at Microsoft, presentation of the "Internet of (his garden) Things", explaining the technical architecture details and decisions.
Disoriented about all the Azure services in the IoT and Industrial IoT that you can use for building a modern Architecture on the Cloud and on the Edge? Well, this session aims to describe a reference architecture like Lambda and to map it to Azure services like Event Hubs, IoT Hubs just to mention a few. It also presents different approaches on how to handle communication from a more commercial devices to discrete manufacturing ones, with different standards like OPC UA. All those bricks will also help you to use already-build solutions like our Accelerators and IoT Central.
Why And When Should We Consider Stream Processing In Our Solutions Teqnation ...Soroosh Khodami
Session Recording on Youtube
https://www.youtube.com/watch?v=uWPZQ_HMy10
- Session Description
Do you find yourself bombarded with buzzwords and overwhelmed by the rapid emergence of new technologies? "Stream Processing" is a tech buzzword that has been around for some time but is still unfamiliar to many. Join this session to discover its potential in software systems. I will share insights from Apache Flink, Apache Beam, Google Dataflow, and my experiences at Bol.com (the biggest e-commerce platform in the Netherlands) as we cover:
- Stream Processing overview: main concepts and features
- Apache Beam vs. Spring Boot comparison
- Key Considerations for Using Stream Processing
- Learning strategies to navigate this evolving landscape.
Create The Internet of Your Things example of a real system - Laurent EllerbachITCamp
Introduction to an Internet of Things system. This session will go through a real system: my own sprinkler system including sensors, data manipulation, consumption, BI. This will give you an overview of a full projects, from the device side to the storage, consumption, analyze and insights. Boards like Raspberry Pi running Linux, Windows as well as Arduino and Netduino are used. The server side is based on Azure using services like Azure IoT Hub, Stream Analytics, Mobile Services, SQL Azure and more!
01-01-2017 This section will lay out the implementation plan o.docxhoney725342
01-01-2017
This section will lay out the implementation plan of the entire Authentic Assessment Project (AAP) design, which include configuration of key networking devices, detailing milestones, activities, resources, and budgets, as well as providing a deliverables schedule.
Project Implementation Plan
In this lecture I will discuss implementation plan through an example of an enterprise network.
The figure presents a fictitious enterprise factious network. The company would like to implement a scalable solution with a routing protocol that provides fast convergence. For optimal routing and packet forwarding, hierarchical addressing with summarization is required. Users require high-speed access to the server farm with redundant connectivity for protection. The company has many remote offices; a redundant connection to the Internet is required to provide the remote offices with nonstop access to its server farm. For remote offices, a secure connection must be implemented to prevent unauthorized persons from accessing data.
The first step before creating an implementation plan is to gather existing information about the networks and all the requirements.
The existing topology provides redundant connectivity among all the network devices. Internet connectivity is dual homed, which provides redundant access to the remote sites as well as World Wide Web resources. The equipment can provide all the functionalities that are required, but the software version of the operation system must be upgraded.
The networking equipment has existing IP addressing that needs to be changed to ensure optimal routing and forwarding of packets as well as summarization. Requirements for server farm access and remote office connectivity do not include changes in QoS configuration. The server farm hosts the critical applications of the company including VoIP, and these require preferred treatment. OSPF is configured in the network. This configuration must be changed, because a faster convergence time is required. EIGRP is better choice than OSPF.
Security configuration is required to provide secure access to terminal resources. In this case existing security is sufficient, therefor no changes are needed.
For this scenario implementation plan would be
· Project contact list
· Location information and means of accessing the premises
· Tools and resources
· Assumption
· Task and detailed description
· Network staging plan
Project Contact List
Consultant Project Team
Customer Project Team
Project Manager
Telephone
E-Mail
Project Manager
Telephone
E-Mail
Configuration Engineer
Telephone
E-mail
Configuration Engineer
Telephone
E-mail
Project Coordinator
Telephone
E-mail
Project Coordinator
Telephone
E-mail
Equipment installation Plan
Location
Details
Floor
Room
Rack Number
Tools Required
Item Number
Item
1
PC with a VT 100 emulator, 10Base-T interface, FTP Server, TFTP client application
2
Console port cable DB9-RJ45/DB25
3
10Base-T Ethernet cable
The implementa ...
IoT Architecture - Are Traditional Architectures Good Enough or do we Need Ne...Guido Schmutz
Independent of the source of data, the integration of event streams into an Enterprise Architecture gets more and more important in the world of sensors, social media streams and Internet of Things. Events have to be accepted quickly and reliably, they have to be distributed and analysed, often with many consumers or systems interested in all or part of the events. Dependent on the size and quantity of such events, this can quickly be in the range of Big Data. How can we efficiently collect and transmit these events? How can we make sure that we can always report over historical events? How can these new events be integrated into traditional infrastructure and application landscape?
Starting with a product and technology neutral reference architecture, we will then present different solutions using Open Source frameworks and the Oracle Stack both for on premises as well as the cloud.
Flutter SV Meetup Oct 2022 - End to end encrypted IoT with Dart and FlutterChris Swan
Walkthrough of how Internet of Things (IoT) devices can run full stack Dart and connect to Flutter apps using end to end encryption to provide security and privacy.
Стас Павлов «Построение безопасной архитектуры IoT решений на примере Azure I...MskDotNet Community
MSK .NET Meetup #8
21 марта 2017
При проектировании системы важно понять, каким угрозам эта система может подвергаться, и разработать соответствующие меры защиты при проектировании и построении её архитектуры. Особенно важно с самого начала учитывать требования безопасности при проектировании продукта. Если вы понимаете, каким образом злоумышленники могут скомпрометировать вашу систему, то это поможет еще до начала работы принять соответствующие меры по снижению рисков. В докладе на примере рефренсной архитектуры Azure IoT будет рассмотрено, каким образом можно спроектировать архитектуру соответствующую необходимому уровню безопасности.
Kristóf Bárdos, the CEO of Digital Natives, Co-founder of Green Fox Academy and Social Fokus shares his thoughts on how leaders and communities are in charge to help people to achieve their highest potential.
The fascinating world of Internet of Things is so huge that it cannot be fully described in one session. But you can start your adventure. Presentation of IoT Hub, reference architecture, fast review of a few ready solutions and interaction with MXChip IoT DevKit.
Athens IoT meetup #7 - Create the Internet of your Things - Laurent Ellerbach...Athens IoT Meetup
Laurent Ellerbach, technical evangelist manager at Microsoft, presentation of the "Internet of (his garden) Things", explaining the technical architecture details and decisions.
Disoriented about all the Azure services in the IoT and Industrial IoT that you can use for building a modern Architecture on the Cloud and on the Edge? Well, this session aims to describe a reference architecture like Lambda and to map it to Azure services like Event Hubs, IoT Hubs just to mention a few. It also presents different approaches on how to handle communication from a more commercial devices to discrete manufacturing ones, with different standards like OPC UA. All those bricks will also help you to use already-build solutions like our Accelerators and IoT Central.
Why And When Should We Consider Stream Processing In Our Solutions Teqnation ...Soroosh Khodami
Session Recording on Youtube
https://www.youtube.com/watch?v=uWPZQ_HMy10
- Session Description
Do you find yourself bombarded with buzzwords and overwhelmed by the rapid emergence of new technologies? "Stream Processing" is a tech buzzword that has been around for some time but is still unfamiliar to many. Join this session to discover its potential in software systems. I will share insights from Apache Flink, Apache Beam, Google Dataflow, and my experiences at Bol.com (the biggest e-commerce platform in the Netherlands) as we cover:
- Stream Processing overview: main concepts and features
- Apache Beam vs. Spring Boot comparison
- Key Considerations for Using Stream Processing
- Learning strategies to navigate this evolving landscape.
Create The Internet of Your Things example of a real system - Laurent EllerbachITCamp
Introduction to an Internet of Things system. This session will go through a real system: my own sprinkler system including sensors, data manipulation, consumption, BI. This will give you an overview of a full projects, from the device side to the storage, consumption, analyze and insights. Boards like Raspberry Pi running Linux, Windows as well as Arduino and Netduino are used. The server side is based on Azure using services like Azure IoT Hub, Stream Analytics, Mobile Services, SQL Azure and more!
01-01-2017 This section will lay out the implementation plan o.docxhoney725342
01-01-2017
This section will lay out the implementation plan of the entire Authentic Assessment Project (AAP) design, which include configuration of key networking devices, detailing milestones, activities, resources, and budgets, as well as providing a deliverables schedule.
Project Implementation Plan
In this lecture I will discuss implementation plan through an example of an enterprise network.
The figure presents a fictitious enterprise factious network. The company would like to implement a scalable solution with a routing protocol that provides fast convergence. For optimal routing and packet forwarding, hierarchical addressing with summarization is required. Users require high-speed access to the server farm with redundant connectivity for protection. The company has many remote offices; a redundant connection to the Internet is required to provide the remote offices with nonstop access to its server farm. For remote offices, a secure connection must be implemented to prevent unauthorized persons from accessing data.
The first step before creating an implementation plan is to gather existing information about the networks and all the requirements.
The existing topology provides redundant connectivity among all the network devices. Internet connectivity is dual homed, which provides redundant access to the remote sites as well as World Wide Web resources. The equipment can provide all the functionalities that are required, but the software version of the operation system must be upgraded.
The networking equipment has existing IP addressing that needs to be changed to ensure optimal routing and forwarding of packets as well as summarization. Requirements for server farm access and remote office connectivity do not include changes in QoS configuration. The server farm hosts the critical applications of the company including VoIP, and these require preferred treatment. OSPF is configured in the network. This configuration must be changed, because a faster convergence time is required. EIGRP is better choice than OSPF.
Security configuration is required to provide secure access to terminal resources. In this case existing security is sufficient, therefor no changes are needed.
For this scenario implementation plan would be
· Project contact list
· Location information and means of accessing the premises
· Tools and resources
· Assumption
· Task and detailed description
· Network staging plan
Project Contact List
Consultant Project Team
Customer Project Team
Project Manager
Telephone
E-Mail
Project Manager
Telephone
E-Mail
Configuration Engineer
Telephone
E-mail
Configuration Engineer
Telephone
E-mail
Project Coordinator
Telephone
E-mail
Project Coordinator
Telephone
E-mail
Equipment installation Plan
Location
Details
Floor
Room
Rack Number
Tools Required
Item Number
Item
1
PC with a VT 100 emulator, 10Base-T interface, FTP Server, TFTP client application
2
Console port cable DB9-RJ45/DB25
3
10Base-T Ethernet cable
The implementa ...
IoT Architecture - Are Traditional Architectures Good Enough or do we Need Ne...Guido Schmutz
Independent of the source of data, the integration of event streams into an Enterprise Architecture gets more and more important in the world of sensors, social media streams and Internet of Things. Events have to be accepted quickly and reliably, they have to be distributed and analysed, often with many consumers or systems interested in all or part of the events. Dependent on the size and quantity of such events, this can quickly be in the range of Big Data. How can we efficiently collect and transmit these events? How can we make sure that we can always report over historical events? How can these new events be integrated into traditional infrastructure and application landscape?
Starting with a product and technology neutral reference architecture, we will then present different solutions using Open Source frameworks and the Oracle Stack both for on premises as well as the cloud.
Flutter SV Meetup Oct 2022 - End to end encrypted IoT with Dart and FlutterChris Swan
Walkthrough of how Internet of Things (IoT) devices can run full stack Dart and connect to Flutter apps using end to end encryption to provide security and privacy.
Стас Павлов «Построение безопасной архитектуры IoT решений на примере Azure I...MskDotNet Community
MSK .NET Meetup #8
21 марта 2017
При проектировании системы важно понять, каким угрозам эта система может подвергаться, и разработать соответствующие меры защиты при проектировании и построении её архитектуры. Особенно важно с самого начала учитывать требования безопасности при проектировании продукта. Если вы понимаете, каким образом злоумышленники могут скомпрометировать вашу систему, то это поможет еще до начала работы принять соответствующие меры по снижению рисков. В докладе на примере рефренсной архитектуры Azure IoT будет рассмотрено, каким образом можно спроектировать архитектуру соответствующую необходимому уровню безопасности.
Location Intelligence bei Swisscom - DW2014Arne Bröring
Analysieren Unternehmen ihre Businessdaten im geografischen Kontext, können sie mehr und Neues über Kunden, Geschäftspartner oder Wettbewerber lernen. Verschiedene Geschäftsbereiche, vom Vertrieb über das Marketing bis zur Logistik, können von einer Integration der geografischen Information in die Business Intelligence, hin zu einer „Location Intelligence“, profitieren. In diesem Vortrag wird beispielhaft die Lösung der Swisscom AG vorgestellt, deren Business Intelligence Center seit mehreren Jahren konsequent „Location“ als essentielles Element ihrer Businessdaten behandelt. Mit einer kürzlich umgesetzten Erweiterung ihrer IT Infrastruktur wurde die Nutzung der Geoinformationen weiter automatisiert. Browser-basierte Location Intelligence-Analysen können nun von einer breiten Mitarbeiterschaft genutzt werden, z.B. um den Service gegenüber ihren Kunden weiter zu verbessern.
Processing Real-time Sensor Data Streams for 3D Web VisualizationArne Bröring
Today, myriads of sensors are surrounding us. Their usage ranges from environmental monitoring (e.g., weather and air quality), over sensor-equipped smart buildings, to the quantified self and other human observing applications. The data streams produced by such sensors often update with high frequencies, resulting in large data volumes. Being able to analyze those real-time sensor data streams requires efficient visualization techniques. In our work, we explore how 3D visualizations can be used to extend the available information space. More specifically, we present an approach for processing real-time sensor data streams to enable scalable Web-based 3D visualizations. Based on an event-driven architecture, our key contribution is the presentation of three processing patterns to optimize transmission of sensor data streams to 3D Web clients.
A Citizen Science Sensor Platform as a Live Link from GIS to the Internet ...Arne Bröring
Making citizen science sensor platforms and their measured data accessible to GIS users can be a challenging task. Data has to be discovered, downloaded, and converted before adding it to a GIS project. To facilitate integration and enhance interoperability between sensor platforms and GIS, this work proposes a method for accessing sensor platforms directly through GIS. Our approach implements selected parts of the OGC GeoServices REST API directly on a sensor platform, thus making it a first class node on the Internet of Things. Users can get a live view of what is measured in the field in their GIS.
Sensor Interface Descriptors - Describing instrument protocols in a standar...Arne Bröring
The Sensor Web Enablement (SWE) initiative of the Open Geospatial Consortium (OGC) defines standards for Web Service interfaces and data encodings usable as building blocks to implement a Sensor Web. These standards encapsulate sensors for web-based discovery, tasking and access. In recent years, SWE has been applied in a multitude of projects, demonstrating its suitability in real world scenarios. However, there is still a fundamental challenge to be tackled. While SWE enables interoperability with the upper application layer, the connection between SWE and the underlying sensor layer and its heterogeneous protocols is not yet sufficiently described. To close this gap, a declarative model for Sensor Interface Descriptors (SID) based on OGC's SensorML standard is presented here. An SID for a particular sensor enables a so called SID interpreter to translate between the communication protocol of the sensor and the Sensor Web. We have developed a generic SID interpreter capable of connecting sensors to Sensor Observation Services and Sensor Planning Services based on their SID. The presented approach of SIDs is the basis for realizing our vision of sensor plug & play and will make sensors on-the-fly available on the Sensor Web.
Introduction to AI for Nonprofits with Tapp NetworkTechSoup
Dive into the world of AI! Experts Jon Hill and Tareq Monaur will guide you through AI's role in enhancing nonprofit websites and basic marketing strategies, making it easy to understand and apply.
How to Make a Field invisible in Odoo 17Celine George
It is possible to hide or invisible some fields in odoo. Commonly using “invisible” attribute in the field definition to invisible the fields. This slide will show how to make a field invisible in odoo 17.
2024.06.01 Introducing a competency framework for languag learning materials ...Sandy Millin
http://sandymillin.wordpress.com/iateflwebinar2024
Published classroom materials form the basis of syllabuses, drive teacher professional development, and have a potentially huge influence on learners, teachers and education systems. All teachers also create their own materials, whether a few sentences on a blackboard, a highly-structured fully-realised online course, or anything in between. Despite this, the knowledge and skills needed to create effective language learning materials are rarely part of teacher training, and are mostly learnt by trial and error.
Knowledge and skills frameworks, generally called competency frameworks, for ELT teachers, trainers and managers have existed for a few years now. However, until I created one for my MA dissertation, there wasn’t one drawing together what we need to know and do to be able to effectively produce language learning materials.
This webinar will introduce you to my framework, highlighting the key competencies I identified from my research. It will also show how anybody involved in language teaching (any language, not just English!), teacher training, managing schools or developing language learning materials can benefit from using the framework.
June 3, 2024 Anti-Semitism Letter Sent to MIT President Kornbluth and MIT Cor...Levi Shapiro
Letter from the Congress of the United States regarding Anti-Semitism sent June 3rd to MIT President Sally Kornbluth, MIT Corp Chair, Mark Gorenberg
Dear Dr. Kornbluth and Mr. Gorenberg,
The US House of Representatives is deeply concerned by ongoing and pervasive acts of antisemitic
harassment and intimidation at the Massachusetts Institute of Technology (MIT). Failing to act decisively to ensure a safe learning environment for all students would be a grave dereliction of your responsibilities as President of MIT and Chair of the MIT Corporation.
This Congress will not stand idly by and allow an environment hostile to Jewish students to persist. The House believes that your institution is in violation of Title VI of the Civil Rights Act, and the inability or
unwillingness to rectify this violation through action requires accountability.
Postsecondary education is a unique opportunity for students to learn and have their ideas and beliefs challenged. However, universities receiving hundreds of millions of federal funds annually have denied
students that opportunity and have been hijacked to become venues for the promotion of terrorism, antisemitic harassment and intimidation, unlawful encampments, and in some cases, assaults and riots.
The House of Representatives will not countenance the use of federal funds to indoctrinate students into hateful, antisemitic, anti-American supporters of terrorism. Investigations into campus antisemitism by the Committee on Education and the Workforce and the Committee on Ways and Means have been expanded into a Congress-wide probe across all relevant jurisdictions to address this national crisis. The undersigned Committees will conduct oversight into the use of federal funds at MIT and its learning environment under authorities granted to each Committee.
• The Committee on Education and the Workforce has been investigating your institution since December 7, 2023. The Committee has broad jurisdiction over postsecondary education, including its compliance with Title VI of the Civil Rights Act, campus safety concerns over disruptions to the learning environment, and the awarding of federal student aid under the Higher Education Act.
• The Committee on Oversight and Accountability is investigating the sources of funding and other support flowing to groups espousing pro-Hamas propaganda and engaged in antisemitic harassment and intimidation of students. The Committee on Oversight and Accountability is the principal oversight committee of the US House of Representatives and has broad authority to investigate “any matter” at “any time” under House Rule X.
• The Committee on Ways and Means has been investigating several universities since November 15, 2023, when the Committee held a hearing entitled From Ivory Towers to Dark Corners: Investigating the Nexus Between Antisemitism, Tax-Exempt Universities, and Terror Financing. The Committee followed the hearing with letters to those institutions on January 10, 202
Operation “Blue Star” is the only event in the history of Independent India where the state went into war with its own people. Even after about 40 years it is not clear if it was culmination of states anger over people of the region, a political game of power or start of dictatorial chapter in the democratic setup.
The people of Punjab felt alienated from main stream due to denial of their just demands during a long democratic struggle since independence. As it happen all over the word, it led to militant struggle with great loss of lives of military, police and civilian personnel. Killing of Indira Gandhi and massacre of innocent Sikhs in Delhi and other India cities was also associated with this movement.
Welcome to TechSoup New Member Orientation and Q&A (May 2024).pdfTechSoup
In this webinar you will learn how your organization can access TechSoup's wide variety of product discount and donation programs. From hardware to software, we'll give you a tour of the tools available to help your nonprofit with productivity, collaboration, financial management, donor tracking, security, and more.
Instructions for Submissions thorugh G- Classroom.pptxJheel Barad
This presentation provides a briefing on how to upload submissions and documents in Google Classroom. It was prepared as part of an orientation for new Sainik School in-service teacher trainees. As a training officer, my goal is to ensure that you are comfortable and proficient with this essential tool for managing assignments and fostering student engagement.
Instructions for Submissions thorugh G- Classroom.pptx
Broering - Bridging Sensor Networks and Sensor Webs @ WOT2010
1. Interaction Patterns for Bridging the Gap betweenSensor Networks and the Sensor Web Arne Broering, Theodor Foerster, Simon Jirka Web of Things Workshop, March 29th, 2010
2. Motivation Disaster management requires real-time sensor data! On-the-fly integration of (geo)sensors! Arne Broering - broering@52north.org
3. SWE - Functionalities Discovery Sensor Instance Registry Sensor Observable Registry Access Sensor Observation Service Tasking Sensor Planning Service Eventing / Alerting Sensor Alert Service Sensor Event Service SIR SOR SOS SPS SAS SES Arne Broering - broering@52north.org
4. Sensor Web Enablement (SWE) http://www.ogcnetwork.net/swe Web Service interfaces & data encodings Used to build a Sensor Web Integration of (geo)sensors on application level Arne Broering - broering@52north.org
5. Problem: Conceptual Gap Application Layer Sensor Web Layer Sensor Network Layer Arne Broering - broering@52north.org
6. Problem: Conceptual Gap Application Layer Sensor Web Layer Sensor Network Layer Arne Broering - broering@52north.org
7. Problem: Conceptual Gap Application Layer Sensor Web Layer Sensor Network Layer Arne Broering - broering@52north.org
8. Problem: Conceptual Gap Application Layer Sensor Web Layer Sensor Network Layer Arne Broering - broering@52north.org
9. Problem: Conceptual Gap Application Layer Sensor Web Layer Sensor Network Layer Arne Broering - broering@52north.org
10. Problem: Conceptual Gap Application Layer Sensor Web Layer Sensor Network Layer Arne Broering - broering@52north.org
11. Close gap: Sensor Network – Sensor Web Ease sensor / service integration Facilitate usage of SWE On-the-fly integration (plug & play) of sensors Objectives Arne Broering - broering@52north.org
12. Sensor Bus Application Layer Sensor Web Layer Sensor Network Layer Arne Broering - broering@52north.org
13. Sensor Bus Application Layer Sensor Web Layer Sensor Network Layer Arne Broering - broering@52north.org
14. Bus Message Protocol RegServ*<service URL>*<sensor A id> RegServ*<service URL>*<sensor B id> ... Service Registration Sensor Registration Data Publication Sensor Tasking Status Update IntroSen*<sensor id>*<description URL> PubData*<sensor id>*<time>*<property>*<data> PubTask*<sensor id>*<task id> TaskParam*<task id>*<param 1>*<value 1> ... DoTask*<task id> SenStatus*<sensor id>*<property>*<value> Arne Broering - broering@52north.org
22. Sensor Bus - Twitter Pros: Managed scalability Managed reliability Managed security Cons: Limited Tweet length (140 characters) Limited update rate of search index Max 150 requests per hour (20.000 if whitelisted) Max 1.000 Tweets a day Arne Broering - broering@52north.org
23. SAS SIR SOS SWE SWE SWE Service Adapter Service Adapter Service Adapter Sensor Bus - XMPP Chatroom Sensor Adapter Arne Broering - broering@52north.org
24. Outlook Evaluate different implementations Twitter, XMPP, IRC, JMS, ... Develop mechanisms for sensor plug & play Apply to real world use cases www.etamax.de www.G-WaLe.de Sensor Adapter Sensor Interface Description (SensorML) Arne Broering - broering@52north.org
25. Questions? Thank you! Arne Broering broering@52north.org Sensor Web community: http://52north.org/swe Sensor Bus project: http://52north.org/sensorBus Sensor Web lab: http://swsl.uni-muenster.de
27. RESTful SOS Observation retrieval: GET http://sos / offering / sensor / feature / property / begin / end / format Demo link: http://v-swe.uni-muenster.de:8080/52n-OXF-WS/RESTful/sos/
28. RESTful SPS Task submission: POST http://ws.spotimage.com/sps/offerings/spot5/tasks Carrying an XML description of task Task status: GET http://ws.spotimage.com/sps/offerings/spot5/tasks/002342/status.xml Task control: PUT http://ws.spotimage.com/sps/offerings/spot5/tasks/002342/command e.g.: <command>cancel</command>
32. Sensor Interface Description (SID) Sensor Bus Bus Protocol Bus Protocol Bus Protocol Data Acquision PC Data Acquision PC Data Acquision PC SID Interpreter SID Interpreter SID Interpreter SensorML SensorML SensorML USB TCP/IP FTP / JDBC Sensor Network Gateway Sensor Files / DB Sensor Zigbee S1 S3 S2 Sensor S5 S4
The focus of the Sensor Web (-> SWE) design is the interaction with the application level. That is already well-defined.However, the Sensor Web design does not sufficiently describe the interaction between sensors and SWE services, yet.There is a conceptual gap between the 2 layers:Sensor Web is based on the WWW and its related protocols. On the other hand, sensor network technologies are based on lower-level protocols such as ZigBee, Bluetooth, the IEEE 1451 standards family, or often proprietary protocols
Currently, the Sensor Web and sensor network layer are integrated by manually adapting the internal logic of the services to the specific sensor types. These proprietary bridges have to be manually built for each pair of Web service and sensor type. This approach is cumbersome and leads to extensive adaption efforts to link the two layers. Since the price of sensor devices is decreasing rapidly, these adaption efforts become the key cost factor in large-scale sensor network system.
Currently, the Sensor Web and sensor network layer are integrated by manually adapting the internal logic of the services to the specific sensor types. These proprietary bridges have to be manually built for each pair of Web service and sensor type. This approach is cumbersome and leads to extensive adaption efforts to link the two layers. Since the price of sensor devices is decreasing rapidly, these adaption efforts become the key cost factor in large-scale sensor network system.
Currently, the Sensor Web and sensor network layer are integrated by manually adapting the internal logic of the services to the specific sensor types. These proprietary bridges have to be manually built for each pair of Web service and sensor type. This approach is cumbersome and leads to extensive adaption efforts to link the two layers. Since the price of sensor devices is decreasing rapidly, these adaption efforts become the key cost factor in large-scale sensor network system.
Mit unserem SensorBus approach müssen nur noch einmal Plugins für jeden Sensor und jeden Service geschrieben werden.
Dies erleichtert die Integration neuer Sensoren ungemein
Discovery?
Service Registration – Twitter- Done by service administrator who just wants to specify the Ids of interesting sensors and everything else is handled.Create Twitter profileCreate and start service adapterAccompany service adapter withconfig file specifying access information to communication infrastructure (here: Twitter account ID)Sensor Ids of interestService adapter registers service profile as follower at the sensor profiles which are associated with the service (it has to search Twitter for the sensor ID and then registers as follower at the sensor profile)This „following“ is necessary so that the service adapter can access potentially private sensor tweetsService adapter inserts sensor information into its DBSensor Registration – Twitter- Done by sensor administrator who does not want to access the servicesCreate Twitter profileCreate and start sensor adapterAccompany withdetailed metadata description (SensorML)Config file specifying access information to communication infrastructure (here: Twitter account ID); in case of other communication infrastructures: e.g. Port, URL, Channel...Sensor adapter registers sensor profile as follower at service profiles from which tasks shall be retrievedData Publication – TwitterService adapter checks regularly the sensor profile for updatesService adapter grabs new data, transforms it to SWE and forwards it to serviceSensor Tasking – TwitterSPS receives task description from client and forwards it to service adapterService adapter transforms task description to bus message sequenceSensor adapter checks regularly the service profile for new tasksSensor adapter retrieves new task, transfroms it to sensor protocol and forwards it
By taking a use case from disaster management, we outline the challenges and demonstrate how semantically annotated SWE data models and service interfaces support semantic matching.A fast extending blaze at the waste dump of Muenster in Germany causes a dispersion of pollutants into the air. The air pollutants threaten an important European bird reserve, the so called Rieselfelder, and the surrounding settlements. In our scenario, mobile sensors are deployed to monitor air pollutants, wind speed, and wind direction. We assume that a local Sensor Web is already in place and used by a disaster relief organization. The newly deployed sensors have to be made available within the SensorWeb on-the-fly. Applications can directly utilize the gathered observations to get an overview of the situation and for dispersion simulations. Additionally, we assume that the sensors used in this gas plume scenarioare accompanied by a SensorML self-description provided by its vendor or manufacturer.Such a scenario is typical for Sensor Web use cases as it covers two important tasks at the same time - device discovery (e.g., which sensors are necessary to monitor the gas plume) and data discovery (e.g., which data can be used to compute the dispersion of the gas plume).