The GrammarTest app

The GrammarTest app (sandra.examples.nlu.grammartest) illustrates how to use NLULib. It has a simple GUI in which the user selects the type of grammar to be used (hand-crafted or statistical), and can also select the Check text or Check ASR button to obtain a semantic representation of the input.

In the case of Check text, the input is typed into a TextView box using the keyboard. In the case of Check ASR, the app recognizes an oral input and produces the result for a 10-best list.

In the case of handcrafted grammar, an XML grammar is read from the specified location. The default grammar used is the one presented previously. If the input (either the input text or each of the N-best results) is in the grammar, it shows a valid message and the semantic representation, if not, it shows an invalid message (these messages are not hard-coded, but retrieved from the Strings file).

In the case of statistical grammar, the Maluuba service is used. In this case, we do not pose any...