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Cap Ones Iscram09
Cap Ones Iscram09
Cap Ones Iscram09
Cap Ones Iscram09
Cap Ones Iscram09
Cap Ones Iscram09
Cap Ones Iscram09
Cap Ones Iscram09
Cap Ones Iscram09
Cap Ones Iscram09
Cap Ones Iscram09
Cap Ones Iscram09
Cap Ones Iscram09
Cap Ones Iscram09
Cap Ones Iscram09
Cap Ones Iscram09
Cap Ones Iscram09
Cap Ones Iscram09
Cap Ones Iscram09
Cap Ones Iscram09
Cap Ones Iscram09
Cap Ones Iscram09
Cap Ones Iscram09
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Cap Ones Iscram09

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  • 1. CAP-ONES: An Emergency Notification System for all Alessio Malizia, Pablo Acuña, Teresa Onorati, Paloma Díaz, Ignacio Aedo DEI Lab Departamento de Informática Universidad Carlos III de Madrid, Spain {amalizia, pacuna, tonorati, pdp}@inf.uc3m.es, aedo@ia.uc3m.es 12/05/2009 Gothenburg ISCRAM 2009
  • 2. Contents • Introduction • The SEMA4A Ontology • CAP-ONES – Alerts – Profiles – Ontology Queries – Notifications • Use Cases • Conclusions 12/05/2009 Gothenburg ISCRAM 2009
  • 3. Introduction • Emergency Notification Systems (ENS) for communicating alerts in emergency situations. • Accessible notifications depend on peopleʼs abilities, device characteristics and kind of emergency. • ENSs must adapt notifications to the most appropiate media and format to support alerts for all. 12/05/2009 Gothenburg ISCRAM 2009
  • 4. Introduction (2) • Keynote talk today - Martha Grabowski – Situational awareness • Situational disabilities – Smoke during a fire can cause low vision problem • Accessibility (be aware of the alert) 12/05/2009 Gothenburg ISCRAM 2009
  • 5. Introduction (3) • Common Alerting Protocol (CAP) provides a conceptual framework to achieve interoperability. – FEMA Announces Intention To Adopt Common Alerting Protocol 1.1 – Emergency Management Committee seeks feedback from CAP users – U.S. National Weather Service Starts Multi-Phase CAP Improvement Project – US Department of Homeland Security: quot;CAP Keeps Nation Steps Ahead of Disasterquot; – U.S. Congressional Report Recognizes CAP • We have developed a knowledge base in the form of an ontology • We have built a system that: – reasons over the ontology – to generate the most adequate notification – according to the user, the emergency and the device features. 12/05/2009 Gothenburg ISCRAM 2009
  • 6. The SEMA4A Ontology • Simple Emergency Alerts fo[u]r All interrelate knowledge in the emergency alert space. • SEMA4A is formed by three main classes linked through a number of relations among their subclasses: – EMEDIA: contains concepts and relations about emergencies and media technologies. – WAfA: contains concepts and relations needed to model organization, structure and navigation of information. – AccessOnto: contains information related to Web accessibility guidelines, userʼs profiles and actions that users can perform. • Malizia, A., Astorga, F., Onorati, T., Diaz, P., Aedo I.: “Emergency Alerts for All: an Ontology based Approach to Improve Accessibility in Emergency Alerting Systems”. ISCRAM 5th International Conference Information Systems for Crisis Response and Management, 2008, pp. 197-207. 12/05/2009 Gothenburg ISCRAM 2009
  • 7. The SEMA4A Ontology(2) Internet communication capabilities Guidelines for deafblind 12/05/2009 Gothenburg ISCRAM 2009
  • 8. CAP-ONES • Common Alerting Protocol-based Open Notification Emergency System, takes as basis SEMA4A ontology and creates automatically personalized emergency notifications. SMS MMS Profiles . …PARSING… ...PROCESSING... . Personalized notifications . Information parsing SEMA4A Ontology CAP Alerts 12/05/2009 Gothenburg ISCRAM 2009
  • 9. CAP-ONES: inputs SMS MMS Profiles . ...PROCESSING... …PARSING… . Personalized notifications . Information parsing SEMA4A Ontology CAP Alerts 12/05/2009 Gothenburg ISCRAM 2009
  • 10. CAP-ONES: Alerts • The emergency information is extracted from a CAP alert, containing data like source, status, description, location, etc. • Our prototype supports entering information via a Web page, importing a CAP file or providing an URL pointing to one. 12/05/2009 Gothenburg ISCRAM 2009
  • 11. CAP-ONES: Profiles • The profiles file is the second input, including: – Personal and Contact Information: name, address, etc. – Abilities: level of userʼs abilities (low, medium or high) in 6 categories (Cognitive, Hearing, Coordination, Tactile Sensation, Visual and Colour) codified in the ontology. – Devices: a selection from a list of possible devices according to the userʼs abilities, extracted from relations defined in the ontology. 12/05/2009 Gothenburg ISCRAM 2009
  • 12. CAP-ONES: queries SMS MMS Profiles . ...PROCESSING... …PARSING… . Personalized notifications . Information parsing SEMA4A Ontology CAP Alerts 12/05/2009 Gothenburg ISCRAM 2009
  • 13. CAP-ONES: Ontology Queries • Using the information from the profiles and the emergency, SPARQL queries are executed on the ontology: 1. Retrieve the media that can be used by this emergency, using the RDF property mayUse defined in SEMA4A. 2. Retrieve what can be communicated through the media obtained in step 2, using the RDF property can-communicate defined in the ontology. 3. For each profile, obtain the media and devices that the user is able to manage depending on his/her abilities, previously obtained when entering the profile with the system. 12/05/2009 Gothenburg ISCRAM 2009
  • 14. CAP-ONES: notifications output SMS MMS Profiles . ...PROCESSING... …PARSING… . Personalized notifications . Information parsing SEMA4A Ontology CAP Alerts 12/05/2009 Gothenburg ISCRAM 2009
  • 15. CAP-ONES: Notifications • Using the set of media and the set of devices that can be used for the emergency defined in the CAP message, • Using the media and devices for each profile, • A final result set per profile is computed with the intersection of these sets. • The notification is created by selecting the appropiate content from the CAP alert, according to the media and devices contained in the final result set. 12/05/2009 Gothenburg ISCRAM 2009
  • 16. Use Cases • Profile: using our system, a “low hearing” and a “blindness” profile are entered, corresponding to the Deafness and Blindness class in our ontology. User abilities Selecting Devices • Emergency alert: a CAP XML message of an earthquake (class Earthquake in SEMA4A), including an auxiliar image resource, and a geographical location of the emergency. 12/05/2009 Gothenburg ISCRAM 2009
  • 17. Use Cases (2) • Our system response is the following: – Profile Deafness may use the following media classes (from interface): [Figure, Text, mms, email, sms, vibration] – Profile Blindness may use the following media classes: [Sound, Text, mms, email, sms, vibration] – By querying the ontology, class Earthquake may use the media: [tv, radio, mobile_phone, phone, internet]; and can-communicate the following set: [Video, Sound, multiple_languages, Figure, Text, mms, email, sms, vibration] – Making an intersection with the sets, we get that e-mail, sms and mms are feasible to send notifications in this situation. – Personalization: the CAP message contains an image and a geographical location (that can be shown using figures), we validate this against our results. Since the emergency can-communicate Figures, as well as the Deafness profile, so a link to Google Maps™ pointing to the location can be added to an e-mail; however, this is not added in the Blindness profile, since Figures can not be used. 12/05/2009 Gothenburg ISCRAM 2009
  • 18. Use Cases (3) Deafness Profile Blindness Profile 12/05/2009 Gothenburg ISCRAM 2009
  • 19. Use Cases (4) • Our system also allows sending SMS/MMS to users. Since the emergency CAP message contained an image, we may use a MMS to send it as an auxiliar resource. As mentioned before, the Deafness profile can use MMS and Figures; however, the Blindness profile only allows sms. MMS sent to SMS sent to Deafness Profile Blindness Profile 12/05/2009 Gothenburg ISCRAM 2009
  • 20. Conclusions • We presented CAP-ONES, a prototype for adapting alert notifications to different kinds of users depending on their abilities, the kind of emergency and the devices they can access. • Our system supports the CAP standard, for allowing interoperability with existing systems, e.g. EDIS (http://edis.oes.ca.gov/) • Our system is based on SEMA4A ontology, that has proven to contain valid and useful concepts and relations. – Validate by experts (Sidar, Civil Protection) • This is a first step towards a system that could automatically adapt alert notifications and interoperate with other systems. 12/05/2009 Gothenburg ISCRAM 2009
  • 21. Future Works • Extend the ontology to other classes – Situational disabilities, new kind of devices • Test with scenario and users 12/05/2009 Gothenburg ISCRAM 2009
  • 22. SPARQL Query • SPARQL query example: to obtain the devices and media for a specific emergency class (e.g. Earthquake): SELECT DISTINCT ?mayUse WHERE { :earthquake rdfs:subClassOf ?restrict ; rdfs:subClassOf :Emergency . ?restrict rdf:type owl:Restriction ; owl:onProperty :mayUse ; owl:someValuesFrom ?emgMayUse . ?emgMayUse rdfs:subClassOf ?emgMayUseClass . ?emgMayUseClass owl:onProperty :can-communicate ; owl:someValuesFrom ?mayUse } • This query takes the earthquake class, a subclass of Emergency, and retrieves the object values from property mayUse, which gets the media that can be used for this emergency; from these media, the query retrieves the object values from property can- communicate in order to obtain the tools that can be used to send the notification. 12/05/2009 Gothenburg ISCRAM 2009
  • 23. Ontology Validation • The expert on accessibility evaluated, totally, 155 elements extracted from our ontology. • Results were: – • Coverage 91% (have all the lexons to be discovered actually been discovered?) – • Precision 84% (are the lexons making sense for the domain?) – • Accuracy 79% (are the lexons not too general but reflecting the important terms of the domain?). • The expert on emergency evaluated, in total, 265 elements extracted from our ontology. • Results were: – • Coverage 66% – • Precision 65% – • Accuracy 45% 12/05/2009 Gothenburg ISCRAM 2009

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