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hekate:hmr [2009/08/14 15:22] gjn |
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| See the [[HaDEs]] page for an overview. | See the [[HaDEs]] page for an overview. | ||
| - | ==== Example ==== | + | ===== Example ===== |
| An example excerpt of HMR is given below: | An example excerpt of HMR is given below: | ||
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| * //type// - a field that contains a name of a type defined as //xtype//. This field denotes the attribute's type. | * //type// - a field that contains a name of a type defined as //xtype//. This field denotes the attribute's type. | ||
| * //comm// - a field that describes attribute's relation to the world. If the attribute is //in// it means that a value of it is supposed to be given by the user; if the attribute is out it means that the value of it should be presented to the user; if attribute is inter it means that its value is set by the system as a result of inference process, but it;s not relevant to the user; if the attribute is comm, it means that it's both in and out. | * //comm// - a field that describes attribute's relation to the world. If the attribute is //in// it means that a value of it is supposed to be given by the user; if the attribute is out it means that the value of it should be presented to the user; if attribute is inter it means that its value is set by the system as a result of inference process, but it;s not relevant to the user; if the attribute is comm, it means that it's both in and out. | ||
| - | * //callback// - a field that contains an information about which callback is supposed to be fired for the attribute. The list should look as follows: //[callback_name, [callback_parameters] ]//, where callback_name is a name of defined callback (see [[heart-howto#callbacks_definitions]]), and callback_parameters is a list of parameters that the callback takes. | + | * //callback// - a field that contains an information about which callback is supposed to be fired for the attribute. The list should look as follows: //[callback_name, [callback_parameters] ]//, where callback_name is a name of defined callback (see [[heart_howto#callbacks_definitions]]), and callback_parameters is a list of parameters that the callback takes. |
| * //abbrev// - a field that contains short name of the attribute. | * //abbrev// - a field that contains short name of the attribute. | ||
| * //desc// - a field that contains longer description of the attribute. | * //desc// - a field that contains longer description of the attribute. | ||
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| * %STRING% - is an unique ID that is automatically generated every time a inference process is fired. | * %STRING% - is an unique ID that is automatically generated every time a inference process is fired. | ||
| * %LIST% - is a list of two-elements list of the form: | * %LIST% - is a list of two-elements list of the form: | ||
| - | * [entity_id, state_id] - where //entity_id// is a name of entity after which a state of the system was capture (it can be name of a table, name of a rule). Trajectory contains as a first element state of the system before inference process; entity for this state is called //start//. \\ The //state_id// is a name of a [[xstat/1]] record where the state of the system was saved. | + | * [entity_id, state_id] - where //entity_id// is a name of entity after which a state of the system was capture (it can be name of a table, name of a rule). Trajectory contains as a first element state of the system before inference process; entity for this state is called //start//. \\ The //state_id// is a name of a ''xstat/1'' record where the state of the system was saved. |
