Once an adaptation candidate has been selected, the model is operationalized by deriving concrete tasks of a plan for adaptation execution. These tasks are derived by the transformation TPlanning while comparing a candidate model to the original model and applying the KAMP approach to architecture-based change impact analysis . KAMP provides for each change to the architecture elements a set of tasks to implement the change and has already been applied for deriving work plans for solving performance and scalability problems . The aggregation of the tasks forms the adaptation plan which is transferred in the Execution phase to an execution plan at implementation level by TExecution.
Whenever no specific model among people will likely be picked fully immediately, age.grams., when there are trading-offs between high quality issue, or if perhaps an adaptation package can’t be derived fully instantly, the human user (cf. Fig. 5.5 ) decides one of the shown version possibilities. Together with whenever no candidate design will be made, age.g., due to shortage of advice or criticality off choice, this new agent would be inside it.
The fresh selected method to incorporate semantics to own NL generation depends towards the commentary representation theory [ 8 ], that enables the fresh new semantic structures representing linguistic suggestions contained in NL sentences as constructed into the predicate logic formalism. Right here, the inverse techniques is accompanied, including brand new recovery out-of NL text message out of reason predicates because of the determining a set of DRS construction and you can conversion process guidelines per code.
DRSs try semantic pots one to associate referenced conceptual pointers in order to linguistic constructions [ 8 ]. A great DRS always consists of a thus-called market out-of referents and you will some conditions that display properties of them referents, affairs between the two, or even more complex requirements including most other DRSs within definition. These formations contain linguistic research from products which can be larger than single sentences, just like the among the many ubiquitous attributes out-of DRSs is the semantic cohesiveness having a whole discourse.
One of the most significant semantic attributes to consider are cohesiveness. Whenever a contextual basis is actually clearly provided, the maintenance of the meaning of a commentary, plus their mix-recommendations, interactions, and you may cohesion, might be provided. An exceptionally intriguing and comprehensible exemplory case of commentary cohesion is actually anaphoric pronominalization, enabling this new generation of a few referring phrases; for instance, i normally throw away “The fresh pedestrian waits in order to mix. New pedestrian crosses,” in support of “The fresh new pedestrian waits in order to mix. S/he crosses incontri barba.”
Having fun with for example formations, we could mention the latest get across-recommendations current one of many semantic constituents out-of good predicate. The newest group of linguistically seen truth for the thematic spots (age.g., broker, object, location) is normally used in latest linguistics-relevant programs once the possible towards representation away from semantics, therefore warrants the utilization of computational linguistics to own outlining blogs removed from the vision process. In the present implementation, these types of constituents shall be categorized while the agencies, items, towns and cities, and you will events/things.
Just like the a beneficial situational analysis is carried out for each and every imagined broker, i capture aforementioned facts about the newest centered broker because the a great basis to select referenced terms or complete descriptions. An illustration that presents just how semantic icon and contextualization is actually undertaken by the good DRS try represented into the Shape 4.6 . DRSs also helps after that work for phrase age group. The fresh syntactical options that come with a phrase are offered by the very-entitled text message generation legislation (TGRs), which introduce ranks of the commentary issue in this a phrase to have a certain vocabulary. From the certain requires because of it program, easy phrases are used for active telecommunications.
Figure 4.6 . A pattern DRS allows the conversion of a stream of conceptual predicates into a string of textual symbols. Here two predicates are validated. The first one instantiates a DRS, which serves as context for the following asserted facts. Once a new predicate is validated, it instantiates another DRS, which merges with that context, thus providing a new context for subsequent facts. The temporal order of the events is stated by including them within time variables (e1 ? t1), placing these variables in the past ( t 1 ? n ), and marking precedence ( e 1 ? e 2 ).