- From: Krzysztof Janowicz <janowicz@ucsb.edu>
- Date: Tue, 11 Apr 2017 11:14:52 -0700
- To: Maxime Lefrançois <maxime.lefrancois@emse.fr>, SDW WG Public List <public-sdw-wg@w3.org>
> For all of these terms, and because the new term has a broader meaning > than the old term, I used rdfs:subClassOf to align the old term to the > new term. Yes, very good. > new definition: The environmental conditions and characteristics of a > system's normal operating environment. Can be used to specify for > example the standard environmental conditions in which the sensor is > expected to operate (a Condition with no OperatingProperty), or how > the environmental and other operating properties relate: i.e., that > the maintenance schedule or power requirements differ according to the > conditions. Just as an example, the same is true for the other classes. If we want to use a consistent style, Sensor and so forth have to be in upper case and the examples should not be in the definition but in an skos:example triple. See, for example, the sosa.ttl file. Great work! Krzysztof On 04/10/2017 08:45 AM, Maxime Lefrançois wrote: > Dear all, > > Now that we agreed on the the fact Measurement Properties can also > apply to actuators, on how we should implement this, and that the > related pull request has been accepted, the next step is to do the > exact same for operating and survival properties. > > I just created ACTION-308 as a follow up to ACTION-301 > > Pull request https://github.com/w3c/sdw/pull/674 implements this. It > was quite easy, there are just a few subtleties I would like to bring > your attention to: > > OperatingProperty: > old definition: An identifiable characteristic of the environmental > and other conditions in which the sensor is intended to operate. May > include power ranges, power sources, standard configurations, > attachments and the like. > new definition: The environmental conditions and characteristics of a > system's normal operating environment. Can be used to specify for > example the standard environmental conditions in which the sensor is > expected to operate (a Condition with no OperatingProperty), or how > the environmental and other operating properties relate: i.e., that > the maintenance schedule or power requirements differ according to the > conditions. > > SurvivalRange: > old definition: The conditions a sensor can be exposed to without > damage: i.e., the sensor continues to operate as defined using > MeasurementCapability. If, however, the SurvivalRange is violated, > the sensor is 'damaged' and MeasurementCapability specifications may > no longer hold. > new definition: The conditions a system can be exposed to without > damage: e.g., the system continues to operate as defined using > SystemCapability. If, however, the SurvivalRange is violated, the > system is 'damaged' and SystemCapability specifications may no longer > hold. > > SurvivalProperty: > old definition: An identifiable characteristic that represents the > extent of the sensor's useful life. Might include for example total > battery life or number of recharges, or, for sensors that are used > only a fixed number of times, the number of observations that can be > made before the sensing capability is depleted. > new definition: An identifiable characteristic that represents the > extent of the system's useful life. Might include for example total > battery life or number of recharges, or, for sensors that are used > only a fixed number of times, the number of observations that can be > made before the sensing capability is depleted. > > MaintenanceSchedule > old definition: Schedule of maintenance for a system or sensor in the > specified conditions. > new definition: Schedule of maintenance for a system in the specified > conditions. > > > For all of these terms, and because the new term has a broader meaning > than the old term, I used rdfs:subClassOf to align the old term to the > new term. > > All of the other alignments are owl:equivalentClass / > owl:equivalentProperty > > > Best, > Maxime Lefrançois -- Krzysztof Janowicz Geography Department, University of California, Santa Barbara 4830 Ellison Hall, Santa Barbara, CA 93106-4060 Email: jano@geog.ucsb.edu Webpage: http://geog.ucsb.edu/~jano/ Semantic Web Journal: http://www.semantic-web-journal.net
Received on Tuesday, 11 April 2017 18:15:28 UTC