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courses:rg:2012:stat-nlg [2012/11/29 14:28] jan.vacl |
courses:rg:2012:stat-nlg [2012/11/29 14:30] jan.vacl |
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| ==== Pre-sent Exercises ==== | ==== Pre-sent Exercises ==== | ||
| - | The following exercises were sent to the mail conference few days before and were aimed to make the readers think about the semantic stack representation used in the paper. They were not answered in very much detail in the lecture, just went through to make sure we understand the basic concepts. Thus, the following solutions are mostly my own interpretation and are not guaranteed to be 100 percent correct. | + | The following exercises were sent to the mail conference few days before and were aimed to make the readers think about the semantic stack representation used in the paper. They were not answered in very much detail in the lecture, just gone through to make sure we understand the basic concepts. Thus, the following solutions are mostly my own interpretation and are not guaranteed to be 100 percent correct. |
| **Ex. 1)** Try to think of a semantic stack representation and a dialogue act for the following sentence: | **Ex. 1)** Try to think of a semantic stack representation and a dialogue act for the following sentence: | ||
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| The solution could look something like this (inspired by Table 1): | The solution could look something like this (inspired by Table 1): | ||
| ^ surface form | For Chinese food, | The Golden Palace | restaurant | is the best one | in the | centre of the city | It is located | on the side of the river | near | East Road | | ^ surface form | For Chinese food, | The Golden Palace | restaurant | is the best one | in the | centre of the city | It is located | on the side of the river | near | East Road | | ||
| - | ^ sem. stack | + | ^ sem. stack |
| ^ | food | name | type | ^ | food | name | type | ||
| ^ | inform | ^ | inform | ||
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| ==== Section 2 - Semantic Representation ==== | ==== Section 2 - Semantic Representation ==== | ||
| - | " | + | * " |
| - | Task: creating the surface form, i.e. adding the optional intermediary stacks between the mandatory stacks and ordering everything. | + | |
| - | Semantic stack (corresponding to a //phrase// in the surface form) is considered to be an atomic unit. | + | |
| - | Note about the annotation form: It is inspired by a common notation from the dialogue systems and it is quite bound to the domain of the information dialogs (finding a restaurant, booking a flight etc.). Lots of other language phenomena would be very difficult to capture this way, e.g. quantifiers, | + | |
| ==== Section 3 - DBN ==== | ==== Section 3 - DBN ==== | ||