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| - We intend to use ontology-driven search capabilities to improve discovery capabilities for both data and actors that have been annotated with terms from formal ontologies. For both actors and data, there are two levels of annotation that we will make use of. The first level of annotation addresses the general topic of the data or function of the actor. We can call this style of annotation the "topical ontology annotation". The second level of annotation describes the semantic "signature" of the data or actor. (By signature we mean a data-structure definition, e.g., a database schema.) We can call this style of annotation the "signature ontology annotation". In the case of data, signature annotations describe the semantic type of each attribute within the data and (possibly) how the attributes relate to one another. For actors, signature annotations describe the semantic type of each input and output port and (possibly) how the ports relate to one another. The topical annotation is meant to describe generally what something represents or does, while the signature annotation describes how such semantic information is encoding (i.e., realized) by the data or actor. In some cases, the signature annotation may be used to "infer" the topical annotation. |
| + We intend to use ontology-driven search capabilities to improve discovery capabilities for both data and actors that have been annotated with terms from formal ontologies. For both actors and data, there are two levels of annotation that we will make use of. The first level of annotation addresses the general topic of the data or function of the actor. We can call this style of annotation the "topical ontology annotation". The second level of annotation describes the semantic "signature" of the data or actor. (By signature we mean a data-structure definition, e.g., a database schema.) We can call this style of annotation the "signature ontology annotation". In the case of data, signature annotations describe the semantic type of each attribute within the data and (possibly) how the attributes relate to one another. For actors, signature annotations describe the semantic type of each input and output port and (possibly) how the ports relate to one another. The topical annotation is meant to describe generally what something represents or does, while the signature annotation describes how such semantic information is encoded (i.e., realized) by the data or actor. In some cases, the signature annotation may be used to "infer" the topical annotation. |
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