lab 1

src/dme.ts

@@ -75,6 +75,7 @@ export const dme = setup({
           always: [
             isuTransition("SelectMove", "select_respond"),
             isuTransition("SelectMove", "select_from_plan"),
+            isuTransition("SelectMove", "selectIcmSemNeg"),
             { target: "SelectMove" }, // TODO check it -- needed for greeting
           ],
         },

src/is.ts

@@ -12,11 +12,15 @@ export const initialIS = (): InformationState => {
     // Mapping from predicate to sort
     favorite_food: "food",
     booking_course: "course",
+    booking_day : "day",
   };
   const individuals: { [index: string]: string } = {
     // Mapping from individual to sort
     pizza: "food",
     LT2319: "course",
+    thursday : "day",
+    monday : "day",
+
   };
   return {
     domain: {
@@ -58,6 +62,7 @@ export const initialIS = (): InformationState => {
           content: WHQ("booking_room"),
           plan: [
             findout(WHQ("booking_course")),
+            findout(WHQ("booking_day")),
             consultDB(WHQ("booking_room")),
           ],
         },
@@ -67,12 +72,19 @@ export const initialIS = (): InformationState => {
       consultDB: (question, facts) => {
         if (objectsEqual(question, WHQ("booking_room"))) {
           const course = getFactArgument(facts, "booking_course");
-          if (course == "LT2319") {
+          const booking_day = getFactArgument(facts, "booking_day");
+          if (course == "LT2319" && booking_day == "monday") {
             return { predicate: "booking_room", argument: "G212" };
           }
+          if (course == "LT2319" && booking_day == "thursday") {
+            return { predicate: "booking_room", argument: "J440" };
+          }
         }
+
         return null;
       },
+
+
     },
     next_moves: [],
     private: {

src/nlug.ts

@@ -11,10 +11,34 @@ const nluMapping: NLUMapping = {
     type: "ask",
     content: WHQ("booking_room"),
   }],
+  "which day is the lecture": [{
+    type: "ask",
+    content: WHQ("booking_day"),
+  }],
+
   "what's your favorite food?": [{
     type: "ask",
     content: WHQ("favorite_food"),
   }],
+
+/*   "I am sorry, I don't understand you.": [{
+    type: "FailedNlu",
+    content: null,
+  }], */
+
+  monday: [{
+    type: "answer",
+    content: "monday",
+  }],
+
+  thursday: [{
+    type: "answer",
+    content: "thursday",
+  }],
+
+
+
+
   pizza: [{
     type: "answer",
     content: "pizza",
@@ -27,10 +51,25 @@ const nluMapping: NLUMapping = {
     type: "answer",
     content: "LT2319",
   }],
+
+
+
 };
+
+
 const nlgMapping: NLGMapping = [
-  [{ type: "ask", content: WHQ("booking_course") }, "Which course?"],
+  [{type: "ask",   content: WHQ("booking_course") }, "Which course?"],
+  [{ type: "ask", content: WHQ("booking_day") }, "Which day is the lecture?"],
+  [{type: "greet",  content: null }, "Hello! You can ask me anything!"],
+  [{type : "FailedNlu", content: null}, "I am sorry, I don't understand you."],
+
+  /* [{ type: "ask", content: WHQ("booking_course") }, "Which course?"],
   [{ type: "greet", content: null }, "Hello! You can ask me anything!"],
+  [{ type: "ask", content: WHQ("booking_day") }, "Which day is the lecture?"], */
+
+
+
+
   [
     {
       type: "answer",
@@ -45,6 +84,20 @@ const nlgMapping: NLGMapping = [
     },
     "The lecture is in G212.",
   ],
+
+  [
+    {
+      type: "answer",
+      content: { predicate: "booking_room", argument: "J440" },
+    },
+    "The lecture is in J440.",
+  ],
+
+
+
+
+
+
 ];
 
 export function nlg(moves: Move[]): string {

src/rules.ts

@@ -266,7 +266,17 @@ export const rules: Rules = {
           next_moves: [ ...is.next_moves, { type: "ask", content: q } ],
           private: { ...is.private, plan: [...is.private.plan.slice(1)] },
         };
-      } else {
+      } 
+      if (is.shared.qud.length >0 &&  Array.isArray(is.shared.lu?.moves) &&  is.shared.lu?.moves.length === 0) {
+        const FailedNlu =  {type: "FailedNlu", content : null } as Move ;
+        newIS = {
+          ...is,
+          next_moves: [ ...is.next_moves, FailedNlu, { type: "ask", content: q } ],
+        };
+
+      }
+      else {
+
         newIS = {
           ...is,
           next_moves: [ ...is.next_moves, { type: "ask", content: q } ],
@@ -276,6 +286,24 @@ export const rules: Rules = {
     }
   },
 
+  /**rule 3.12 Implement here*/
+
+
+
+  selectIcmSemNeg : ({is}) => {
+    if (Array.isArray(is.shared.lu?.moves) &&  is.shared.lu?.moves.length === 0) {
+      const FailedNlu =  {type: "FailedNlu", content : null } as Move ;
+      return () => ({
+        ...is,
+        next_moves : [...is.next_moves, FailedNlu] 
+      })
+    }
+  },
+
+
+
+
+
   /** rule 2.14 */
   select_respond: ({ is }) => {
     if (
@@ -320,6 +348,11 @@ export const rules: Rules = {
     }
   },
 
+
+
+
+
+
   /** only for greet for now */
   select_other: ({ is }) => {
     if (is.private.agenda[0] && is.private.agenda[0].type === "greet") {

test/dme.test.ts

@@ -138,7 +138,21 @@ describe("DME tests", () => {
       { speaker: "usr", message: "Where is the lecture?" },
       { speaker: "sys", message: "Which course?" },
       { speaker: "usr", message: "Dialogue Systems 2" },
+      { speaker: "sys", message: "Which day is the lecture?" },
+      { speaker: "usr", message: "monday" },
       { speaker: "sys", message: "The lecture is in G212." },
     ]);
   });
+  describe("system answer in NLU", () => {
+    runTest([
+      { speaker: "sys", message: "Hello! You can ask me anything!" },
+      { speaker: "usr", message: "blabla" },
+      { speaker: "sys", message: "I am sorry, I don't understand you." },
+      { speaker: "usr", message: "Where is the lecture?" },
+      { speaker: "sys", message: "Which course?" },
+      { speaker: "usr", message: "blabla" },
+      { speaker: "sys", message: "I am sorry, I don't understand you. Which course?" },
+    ]);
+  });
+
 });