OBOE v.s. OGC O&M SONet June 8,2010

OBOE Entity Context Characteristic Measurement Observation Standard hasCharacteristic hasMeasurement ofEntity hasContext usesStandard Protocol usesProtocol PrecisionValue ofCharacteristic hasValue Extensible Observation Ontology (OBOE) [1] hasPrecision 2

O&M FeatureOfInterest ObservationContext ObservedProperty OM_Observation Result carrierOfCharacteristic forProperty ofFeature relatedContextObservatioin hasResult OM_Process usesProcedure O&M [2] 3

O&M The featureOfInterest is a feature of any type (ISO 19109, ISO 19101), which are presentation of the observation target, being the real-world object regarding which the observation is made. The observedProperty identifies or describes the phenomenon for which the observation result provides an estimate of its value. – It must be a property associated with the type of the feature of interest. 4

O&M The procedure is the description of a process used to generate the result. – It must be suitable for the observed property. Or, method, algorithm or instrument, or system of these which may be used in making an observation. The result contains the value generated by the procedure. – The type of the observation result must be consistent with the observed property, and the scale or scope for the value must be consistent with the quantity or category type. 5

Entity FeatureOfInterest CharacteristicObservedProperty Observation, MeasurementOM_Observation Protocol OM_Process Result Standard Value Precision ContextObservatioinContext Entity Context Characteristic Measurement Observation Standard hasCharacteristichasMeasurement ofEntity hasContext usesStandard Protocol usesProt ocol PrecisionValue ofCharacteristic hasValue hasPrecision FeatureOfInterest ObservationContex ObservedProperty OM_Observation Result carrierOfCharacteristic forProperty ofFeature relatedContextObservatioin hasResult OM_Process usesProcedure 6

How to use model? OBOE: – Morpho data annotation tool to generate data instances for you automatically – Use our OM query language and tool to do data discovery O&M: – Write your own xml file to contain the observation and measurement data – Write Schematron [3] file to validate whether the data xml file – No tool report! 7

Demo Middleware to exchange data instances in one format to the other Anything do you want to see? What do we add to the OBOE output would be attractive to you? 8

References [1] Shawn Bowers and Joshua S. Madin and Mark P. Schildhauer, A Conceptual Modeling Framework for Expressing Observational Data Semantic. In ER 2008, [2] OpenGIS observations and measurements encoding standard (O&M): [3] Schematron ISO standard: 9